Subchapter 18A â€“ Natural Gas

18A-1

Subchapter 18A – Natural Gas

Futures Contracts

Rule Subject

18.A.000 SWING FUTURES MID-DAY ROLL TIMES18.A.001 AB NIT BASIS FUTURE18.A.002 ALGONQUIN CITYGATES BASIS FUTURE18.A.003 ANR SE (LOUISIANA) BASIS FUTURE18.A.004 ANR SW (OKLAHOMA) BASIS FUTURE18.A.005 ENABLE GAS BASIS FUTURE18.A.006 CG MAINLINE BASIS FUTURE18.A.007 CG ONSHORE BASIS P FUTURE18.A.008 CHICAGO BASIS FUTURE18.A.009 CIG ROCKIES BASIS FUTURE18.A.010 DOMINION SOUTH BASIS FUTURE18.A.011 EP PERMIAN BASIS FUTURE18.A.012 EP SAN JUAN BASIS FUTURE18.A.013 FLORIDA GAS ZONE 3 BASIS FUTURE18.A.014 HENRY BASIS FUTURE18.A.015 HSC BASIS FUTURE18.A.016 MALIN BASIS FUTURE18.A.017 MICHCON BASIS FUTURE18.A.018 NGPL MIDCONT BASIS FUTURE18.A.019 NGPL STX BASIS FUTURE18.A.020 NGPL TXOK BASIS FUTURE18.A.021 NNG DEMARC BASIS FUTURE18.A.022 NNG VENTURA BASIS FUTURE18.A.023 NWP ROCKIES BASIS FUTURE18.A.024 NWP SUMAS BASIS FUTURE18.A.025 ONEOK GAS TRANSPORTATION BASIS FUTURE18.A.026 PANHANDLE BASIS FUTURE18.A.027 PG&E CITYGATE BASIS FUTURE18.A.028 SOCAL BORDER BASIS FUTURE18.A.029 SOCAL CITYGATE BASIS FUTURE18.A.030 SONAT BASIS FUTURE18.A.031 SOUTHERN STAR TX OK KS BASIS FUTURE18.A.032 TCO BASIS FUTURE18.A.033 TENNESSEE 500L BASIS FUTURE18.A.034 TENNESSEE 800L BASIS FUTURE18.A.035 TENNESSEE ZONE 0 BASIS FUTURE18.A.036 TETCO ELA BASIS FUTURE18.A.037 TETCO M3 BASIS FUTURE18.A.038 TETCO STX BASIS FUTURE18.A.039 TETCO WLA BASIS FUTURE18.A.040 TGT ZONE 1 BASIS FUTURE18.A.041 TGT ZONE SL (FT) BASIS FUTURE

18A-2

18.A.042 TRANSCO STATION 30 (ZONE 1) BASIS FUTURE18.A.043 TRANSCO STATION 45 (ZONE 2) BASIS FUTURE18.A.044 TRANSCO STATION 65 (ZONE 3) BASIS FUTURE18.A.045 TRANSCO STATION 85 (ZONE 4) BASIS FUTURE18.A.046 TRANSCO ZONE 6 (NON NY) BASIS FUTURE18.A.047 TRANSCO ZONE 6 (NY) BASIS FUTURE18.A.048 TRUNKLINE LA BASIS FUTURE18.A.049 UNION DAWN BASIS FUTURE18.A.050 WAHA BASIS FUTURE18.A.051 AB NIT INDEX FUTURE18.A.052 ALGONQUIN CITYGATES INDEX FUTURE18.A.053 ANR SE (LOUISIANA) INDEX FUTURE18.A.054 ANR SW (OKLAHOMA) INDEX FUTURE18.A.055 ENABLE GAS INDEX FUTURE18.A.056 CG-MAINLINE INDEX FUTURE18.A.057 CHICAGO INDEX FUTURE18.A.058 CIG ROCKIES INDEX FUTURE18.A.059 DOMINION SOUTH INDEX FUTURE18.A.060 EP PERMIAN INDEX FUTURE18.A.061 EP SAN JUAN INDEX FUTURE18.A.062 FLORIDA GAS ZONE 3 INDEX FUTURE18.A.063 HENRY INDEX FUTURE18.A.064 HSC INDEX FUTURE18.A.065 MALIN INDEX FUTURE18.A.066 MICHCON INDEX FUTURE18.A.067 NGPL MIDCONT INDEX FUTURE18.A.068 NGPL STX INDEX FUTURE18.A.069 NGPL TXOK INDEX FUTURE18.A.070 NNG DEMARC INDEX FUTURE18.A.071 NNG VENTURA INDEX FUTURE18.A.072 NWP ROCKIES INDEX FUTURE18.A.073 NWP SUMAS INDEX FUTURE18.A.074 ONEOK GAS TRANSPORATION INDEX FUTURE18.A.075 PANHANDLE INDEX FUTURE18.A.076 PG&E CITYGATE INDEX FUTURE18.A.077 SOCAL BORDER INDEX FUTURE18.A.078 SOCAL CITYGATE INDEX FUTURE18.A.079 SONAT INDEX FUTURE18.A.080 SOUTHERN STAR TX OK KS INDEX FUTURE18.A.081 TCO INDEX FUTURE18.A.082 TENNESSEE 500L INDEX FUTURE18.A.083 TENNESSEE ZONE 0 INDEX FUTURE18.A.084 TETCO ELA INDEX FUTURE18.A.085 TETCO M3 INDEX FUTURE18.A.086 TETCO STX INDEX FUTURE18.A.087 TETCO WLA INDEX FUTURE18.A.088 TGT ZONE 1 INDEX FUTURE18.A.089 TRANSCO STATION 45 (ZONE 2) INDEX FUTURE

18A-3

18.A.090 TRANSCO STATION 65 (ZONE 3) INDEX FUTURE18.A.091 TRANSCO STATION 85 (ZONE 4) INDEX FUTURE18.A.092 TRANSCO ZONE 6 (NON NY) INDEX FUTURE18.A.093 TRANSCO ZONE 6 (NY) INDEX FUTURE18.A.094 WAHA INDEX FUTURE18.A.095 AB NIT SWING FUTURE18.A.096 ALGONQUIN CITYGATES SWING FUTURE18.A.097 ANR SE (LOUISIANA) SWING FUTURE18.A.098 ANR SW (OKLAHOMA) SWING FUTURE18.A.099 ENABLE GAS SWING FUTURE18.A.100 CG-MAINLINE SWING FUTURE18.A.101 CHICAGO SWING FUTURE18.A.102 CIG ROCKIES SWING FUTURE18.A.103 DOMINION SOUTH SWING FUTURE18.A.104 EP PERMIAN SWING FUTURE18.A.105 EP SAN JUAN SWING FUTURE18.A.106 FLORIDA GAS ZONE 3 SWING FUTURE18.A.107 HENRY SWING FUTURE18.A.108 HSC SWING FUTURE18.A.109 LEBANON SWING FUTURE18.A.110 MALIN SWING FUTURE18.A.111 MICHCON SWING FUTURE18.A.112 NGPL MIDCONT SWING FUTURE18.A.113 NGPL STX SWING FUTURE18.A.114 NGPL TXOK SWING FUTURE18.A.115 NNG DEMARC SWING FUTURE18.A.116 NNG VENTURA SWING FUTURE18.A.117 NWP ROCKIES SWING FUTURE18.A.118 NWP SUMAS SWING FUTURE18.A.119 ONEOK GAS SWING FUTURE18.A.120 PANHANDLE SWING FUTURE18.A.121 PG&E CITYGATE SWING FUTURE18.A.122 SOCAL BORDER SWING FUTURE18.A.123 SOCAL CITYGATE SWING FUTURE18.A.124 SONAT SWING FUTURE18.A.125 SOUTHERN STAR TX OK KS SWING FUTURE18.A.126 TCO SWING FUTURE18.A.127 TENNESSEE-ZONE 0 SWING FUTURE18.A.128 TETCO M3 SWING FUTURE18.A.129 TETCO STX SWING FUTURE18.A.130 TGT ZONE 1 SWING FUTURE18.A.131 TRANSCO STATION 65 (ZONE 3) SWING FUTURE18.A.132 TRANSCO STATION 85 (ZONE 4) SWING FUTURE18.A.133 TRANSCO ZONE 6 (NON NY) SWING FUTURE18.A.134 TRANSCO ZONE 6 (NY) SWING FUTURE18.A.135 WAHA SWING FUTURE18.A.136 AB NIT NGX SAME DAY 5A FIXED PRICE FUTURE18.A.137 EP SAN JUAN FIXED PRICE FUTURE

18A-4

18.A.138 HENRY CALENDAR YEAR ONE TIME FIXED PRICE FUTURE18.A.139 HENRY LD1 FIXED PRICE FUTURE18.A.140 HENRY LD1 SAME DAY FIXED PRICE FUTURE18.A.141 HENRY LD4 FIXED PRICE FUTURE18.A.142 HENRY PENULTIMATE FIXED PRICE FUTURE18.A.143 PANHANDLE FIXED PRICE FUTURE18.A.144 SOCAL FIXED PRICE FUTURE18.A.145 HENRY PENULTIMATE 1-MONTH CALENDAR SPREAD FUTURE18.A.146 HENRY PENULTIMATE 3-MONTH CALENDAR SPREAD FUTURE18.A.147 HENRY PENULTIMATE 6-MONTH CALENDAR SPREAD FUTURE18.A.148 IROQUOIS (Into) BASIS (PLATTS) FUTURE

18.A.149 IROQUOIS-Z2 BASIS (PLATTS) FUTURE

18.A.150 RESERVED

18.A.151 IROQUOIS (Into) SWING (PLATTS) FUTURE

18.A.152 IROQUOIS-Z2 SWING (PLATTS) FUTURE

18.A.153 RESERVED

18.A.154 IROQUOIS (Into) INDEX PLATTS) FUTURE

18.A.155 IROQUOIS-Z2 Index (PLATTS) FUTURE

18.A.156 US EIA FINANCIAL WEEKLY INDEX

18.A.157 EIA END OF DRAW INDEX FUTURE

18.A.158 EIA END OF STORAGE INDEX FUTURE

18.A.159 TETCO M2 BASIS FUTURE (RECEIPTS)

18.A.160 TENNESSEE ZONE 6 200L BASIS FUTURE

18.A.161 TRANSCO LEIDY BASIS FUTURE18.A.162 TRANSCO LEIDY SWING FUTURE18.A.163 TRANSCO LEIDY INDEX FUTURE

18.A.164 TENNESSEE ZONE 4 300L BASIS FUTURE

18.A.165 TENNESSEE ZONE 4 300L SWING FUTURE

18.A.166 TENNESSEE ZONE 4 300L INDEX FUTURE

18.A.167 TRANSCO ZONE 5 BASIS FUTURE

18.A.168 TRANSCO ZONE 5 SWING FUTURE

18.A.169 TRANSCO ZONE 5 INDEX FUTURE

18.A.170 TETCO M2 SWING FUTURE (RECEIPTS)

18.A.171 TETCO M2 INDEX FUTURE (RECEIPTS)

18.A.172 HENRY LD1 FIXED PRICE FUTURE 25K

18.A.173 HENRY PENULTIMATE FIXED PRICE FUTURE 25K

18.A.174 REX ZONE 3 BASIS FUTURE

18.A.175 REX ZONE 3 INDEX FUTURE

18.A.176 REX ZONE 3 SWING FUTURE

18.A.177 HENRY PENULTIMATE 4-MONTH CALENDAR SPREAD FUTURE

18.A.178 HENRY PENULTIMATE 5-MONTH CALENDAR SPREAD FUTURE

18.A.179 KATY BASIS FUTURE

18.A.180 KATY INDEX FUTURE

18A-5

18.A.181 KATY SWING FUTURE

18.A.182 TENNESSEE 800L INDEX FUTURE

18.A.183 TENNESEE 800L SWING FUTURE

18.A.184 AB NIT (7a/5a) INDEX FUTURE

18.A.185 AB NIT 5a SWING FUTRE (US/MM)

18.A.186 UK NBP NATURAL GAS LAST DAY FINANCIAL FUTURES (USD/MMBTU)

18A-6

Rule 18A.000. Swing Futures Mid-Day Roll Times

For purposes of any “Next Day Gas” swing futures contract and any “Bal Month Gas” swing futures

contract within this Subchapter, the time for purposes of determining the Contract Period of the

applicable contract shall be the Timely Nomination Cycle (as such phrase is used by FERC) deadline for

scheduling gas transportation which is established and published by FERC periodically.

Adopted by the Board March 3, 2016; effective March 18, 2016.

18A-7

Rule 18.A.001 AB NIT Basis Future

Contract Description: A monthly cash settled Exchange Futures Contract based upon the mathematical

result of subtracting the price of the NYMEX Henry Hub Natural Gas Futures Contract, as defined in

Reference Price B, from the monthly price published by Canadian Gas Price Reporter for the location

specified in Reference Price A.

Contract Symbol: AEC

Settlement Method: Cash settlement

Contract Size: 2500 MMBtus

Currency: USD

Minimum Price Fluctuation: The price quotation convention shall be One hundredth of a cent

($0.0001) per MMBtu; minimum price fluctuation may vary by trade type. Please see Table in Resolution

1 to this Chapter 18.

Listing Cycle: Up to 120 consecutive monthly Contract Periods, or as otherwise determined by the

Exchange.

Last Trading Day: The last Business Day prior to the first calendar day of the Contract Period

Final Settlement: Reference Price A minus Reference Price B

Reference Price A: NATURAL GAS-NGX AB-NIT MONTH AHEAD INDEX 7A (US$/MMBTU)-

CANADIAN GAS PRICE REPORTER

a) Description: "NATURAL GAS-NGX AB-NIT MONTH AHEAD INDEX 7A

(US$/MMBTU)-CANADIAN GAS PRICE REPORTER" means that the price for a Pricing

Date will be that day's Specified Price per MMBTU of natural gas for delivery on the

Delivery Date, stated in U.S. Dollars, published under the heading "Monthly Canadian and

U.S. natural gas price summary: Canadian Domestic Gas Prices: NGX AB-NIT Month Ahead

Index (7A): US$/MMBtu" in the issue of Canadian Gas Price Reporter that reports prices

effective for that Pricing Date.

b) Pricing Date: First publication date of Contract Period

c) Specified Price: Index

d) Pricing Calendar: Canadian Gas Price Reporter

e) Delivery Date: Contract Period

Reference Price B: NATURAL GAS-NYMEX

a) Description: "NATURAL GAS-NYMEX" means that the price for a Pricing Date will be

that day's Specified Price per MMBtu of natural gas on the NYMEX of the Henry Hub

18A-8

Natural Gas Futures Contract for the Delivery Date, stated in U.S. Dollars, as made public by

the NYMEX on that Pricing Date.

b) Pricing Date: Last scheduled trading day of the NYMEX Henry Hub Natural Gas Futures

Contract for the Delivery Date

c) Specified Price: Settlement price

d) Pricing Calendar: NYMEX


Final Payment Date: The Clearing Organization business day following the first Canadian business day

following the Last Trading Day

18A-9

Rule 18.A.002 Algonquin Citygates Basis Future

Contract Description: A monthly cash settled Exchange Futures Contract based upon the mathematical result of

subtracting the price of the NYMEX Henry Hub Natural Gas Futures Contract, as defined in Reference Price B,

from the monthly price published by Inside FERC for the location specified in Reference Price A.

Contract Symbol: ALQ



Currency: USD

Minimum Price Fluctuation: The price quotation convention shall be One hundredth of a cent ($0.0001) per

MMBtu; minimum price fluctuation may vary by trade type. Please see Table in Resolution 1 to this Chapter 18.

Listing Cycle: Up to 48 consecutive monthly Contract Periods, or as otherwise determined by the Exchange.



Reference Price A: NATURAL GAS-NORTHEAST (ALGONQUIN CITY-GATE)-INSIDE FERC

a) Description: "NATURAL GAS-NORTHEAST (ALGONQUIN CITY-GATE)-INSIDE FERC"means that the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gasfor delivery on the Delivery Date, stated in U.S. Dollars, published under the heading “MonthlyBidweek Spot Gas Prices ($/MMBtu): Northeast: Algonquin, city-gates : Index" in the issue of InsideFERC that reports prices effective on that Pricing Date.



d) Pricing Calendar: Inside FERC



a) Description: "NATURAL GAS-NYMEX" means that the price for a Pricing Date will be that day's

Specified Price per MMBtu of natural gas on the NYMEX of the Henry Hub Natural Gas Futures

Contract for the Delivery Date, stated in U.S. Dollars, as made public by the NYMEX on that Pricing

Date.

b) Pricing Date: Last scheduled trading day of the NYMEX Henry Hub Natural Gas Futures Contract

for the Delivery Date


18A-10



Final Payment Date: The third Clearing Organization business day following the Last Trading Day

18A-11

Rule 18.A.003 ANR SE (Louisiana) Basis Future




Contract Symbol: CGM



Currency: USD






Reference Price A: NATURAL GAS-ANR (LOUISIANA)-INSIDE FERC

a) Description: "NATURAL GAS-ANR (LOUISIANA)-INSIDE FERC" means that the price for aPricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading "Monthly Bidweek Spot GasPrices ($/MMBtu): Louisiana/Southeast: ANR, La. : Index" in the issue of Inside FERC that reportsprices effective on that Pricing Date.









Date.




18A-12




18A-13

Rule 18.A.004 ANR SW (Oklahoma) Basis Future




Contract Symbol: ANO



Currency: USD






Reference Price A: NATURAL GAS-ANR (OKLAHOMA)-INSIDE FERC

a) Description: "NATURAL GAS-ANR (OKLAHOMA)-INSIDE FERC" means that the price for aPricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading "Monthly Bidweek Spot GasPrices ($/MMBtu): Midcontinent: ANR, Okla. : Index" in the issue of Inside FERC that reports priceseffective on that Pricing Date.









Date.




18A-14




18A-15

Rule 18.A.005 Enable Gas Basis Future




Contract Symbol: CTP



Currency: USD






Reference Price A: NATURAL GAS-ENABLE GAS (EAST)-INSIDE FERC

a) Description: "NATURAL GAS-ENABLE GAS (EAST)-INSIDE FERC means that the price for aPricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot GasPrices ($/MMBtu): Midcontinent: Enable Gas, East : Index" in the issue of Inside FERC that reportsprices effective on that Pricing Date.









Date.




18A-16




18A-17

Rule 18.A.006 CG Mainline Basis Future




Contract Symbol: CGB



Currency: USD






Reference Price A: NATURAL GAS-COLUMBIA GULF (MAINLINE)-INSIDE FERC

a) Description: “NATURAL GAS-COLUMBIA GULF (MAINLINE)-INSIDE FERC” means that theprice for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery onthe Delivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot GasPrices ($/MMBtu): Louisiana/Southeast: Columbia Gulf, mainline : Index " in the issue of InsideFERC that reports prices effective on that Pricing Date .









Date.




18A-18




18A-19

Rule 18.A.007 CG Onshore Basis Future




Contract Symbol: CON



Currency: USD






Reference Price A: NATURAL GAS-COLUMBIA GULF (LOUISIANA)-INSIDE FERC

a) Description: "NATURAL GAS-COLUMBIA GULF (LOUISIANA)-INSIDE FERC" means that theprice for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery onthe Delivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot GasPrices ($/MMBtu): Louisiana/Southeast: Columbia Gulf, La. : Index" in the issue of Inside FERC thatreports prices effective on that Pricing Date.









Date.




18A-20




18A-21

Rule 18.A.008 Chicago Basis Future



from the monthly price published by NGI for the location specified in Reference Price A.

Contract Symbol: DGD



Currency: USD






Reference Price A: NATURAL GAS-MIDWEST (CHICAGO CITYGATE)-NGI

a) Description: "NATURAL GAS-MIDWEST (CHICAGO CITYGATE)-NGI" means that the price

for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on the

Delivery Date, stated in U.S. Dollars, published under the heading "Spot Gas Prices: Midwest:

Chicago Citygate: avg." in the issue of NGI's Bidweek Survey that reports prices effective on that

Pricing Date.


c) Specified Price: Average

d) Pricing Calendar: NGI






Date.




18A-22




18A-23

Rule 18.A.009 CIG Rockies Basis Future




Contract Symbol: CRI



Currency: USD






Reference Price A: NATURAL GAS-CIG (ROCKY MOUNTAINS)-INSIDE FERC

a) Description: "NATURAL GAS-CIG (ROCKY MOUNTAINS)-INSIDE FERC" means that the price


Delivery Date, stated in U.S. Dollars, published under the heading "Monthly Bidweek Spot Gas

Prices ($/MMBtu): Rockies/Northwest: CIG, Rockies : Index " in the issue of Inside FERC that

reports prices effective on that Pricing Date.









Date.




18A-24




18A-25

Rule 18.A.010 Dominion South Basis Future




Contract Symbol: DOM



Currency: USD






Reference Price A: NATURAL GAS-DOMINION (APPALACHIA)-INSIDE FERC

a) Description: "NATURAL GAS-DOMINION (APPALACHIA)-INSIDE FERC" means that the pricefor a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot GasPrices ($/MMBtu): Appalachia: Dominion, Appalachia : Index" in the issue of Inside FERC thatreports prices effective on that Pricing Date.









Date.




18A-26




18A-27

Rule 18.A.011 EP Permian Basis Future




Contract Symbol: PER



Currency: USD






Reference Price A: NATURAL GAS-EL PASO (PERMIAN BASIN)-INSIDE FERC

a) Description: "NATURAL GAS-EL PASO (PERMIAN BASIN)-INSIDE FERC" means that the pricefor a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot Gas Prices($/MMBtu): Southwest: El Paso, Permian Basin: Index " in the issue of Inside FERC that reportsprices effective on that Pricing Date.









Date.




18A-28




18A-29

Rule 18.A.012 EP San Juan Basis Future




Contract Symbol: SNJ



Currency: USD






Reference Price A: NATURAL GAS-EL PASO (SAN JUAN BASIN)-INSIDE FERC

a) Description: "NATURAL GAS-EL PASO (SAN JUAN BASIN)-INSIDE FERC" means that theprice for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery onthe Delivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot GasPrices ($/MMBtu): Southwest: El Paso, San Juan: Index " in the issue of Inside FERC that reportsprices effective on that Pricing Date.









Date.




18A-30




18A-31

Rule 18.A.013 Florida Gas Zone 3 Basis Future




Contract Symbol: FTZ



Currency: USD






Reference Price A: NATURAL GAS-FLORIDA GAS (ZONE 3)-INSIDE FERC

a) Description: "NATURAL GAS-FLORIDA GAS (ZONE 3)-INSIDE FERC" means that the pricefor a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot GasPrices ($/MMBtu): Louisiana/Southeast: Florida Gas, zone 3: Index" in the issue of Inside FERC thatreports prices effective on that Pricing Date.









Date.




18A-32




18A-33

Rule 18.A.014 Henry Basis Future




Contract Symbol: HEN



Currency: USD






Reference Price A: NATURAL GAS-S. LOUISIANA (HENRY HUB)-INSIDE FERC

a) Description: "NATURAL GAS-S. LOUISIANA (HENRY HUB)-INSIDE FERC" means that theprice for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery onthe Delivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot GasPrices ($/MMBtu): Louisiana/Southeast: Henry Hub: Index" in the issue of Inside FERC that reportsprices effective on that Pricing Date.









Date.




18A-34




18A-35

Rule 18.A.015 HSC Basis Future




Contract Symbol: HXS



Currency: USD






Reference Price A: NATURAL GAS-E. TEXAS (HOUSTON SHIP CHANNEL)-INSIDE FERC

a) Description: "NATURAL GAS-E. TEXAS (HOUSTON SHIP CHANNEL)-INSIDE FERC" meansthat the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas fordelivery on the Delivery Date, stated in U.S. Dollars, published under the heading “Monthly BidweekSpot Gas Prices ($/MMBtu): East Texas: Houston Ship Channel : Index" in the issue of Inside FERCthat reports prices effective on that Pricing Date.









Date.




18A-36




18A-37

Rule 18.A.016 Malin Basis Future




Contract Symbol: MLN



Currency: USD






Reference Price A: NATURAL GAS-CALIFORNIA (MALIN)-NGI

a) Description: "NATURAL GAS-CALIFORNIA (MALIN)-NGI" means that the price for a Pricing

Date will be that day's Specified Price per MMBTU of natural gas for delivery on the Delivery Date,

stated in U.S. Dollars, published under the heading "Spot Gas Prices: California: Malin: avg." in the

issue of NGI's Bidweek Survey that reports prices effective on that Pricing Date.









Date.




18A-38




18A-39

Rule 18.A.017 Michcon Basis Future




Contract Symbol: NMC



Currency: USD






Reference Price A: NATURAL GAS-UPPER MIDWEST (MICH CON CITY-GATE)-INSIDE FERC

a) Description: "NATURAL GAS-UPPER MIDWEST (MICH CON CITY-GATE)-INSIDE FERC"means that the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gasfor delivery on the Delivery Date, stated in U.S. Dollars, published under the heading “MonthlyBidweek Spot Gas Prices ($/MMBtu): Upper Midwest: Mich Con city-gate: Index" in the issue ofInside FERC that reports prices effective on that Pricing Date.









Date.




18A-40




18A-41

Rule 18.A.018 NGPL Midcont Basis Future




Contract Symbol: MCO



Currency: USD






Reference Price A: NATURAL GAS-NGPL (MIDCONTINENT)-INSIDE FERC

a) Description: "NATURAL GAS-NGPL (MIDCONTINENT)-INSIDE FERC" means that the pricefor a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot GasPrices ($/MMBtu): Midcontinent: NGPL, Midcontinent: Index" in the issue of Inside FERC thatreports prices effective on that Pricing Date.









Date.




18A-42




18A-43

Rule 18.A.019 NGPL STX Basis Future




Contract Symbol: NSX



Currency: USD






Reference Price A: NATURAL GAS-NGPL (SOUTH TEXAS)-INSIDE FERC

a) Description: "NATURAL GAS-NGPL (SOUTH TEXAS)-INSIDE FERC" means that the price fora Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot GasPrices ($/MMBtu): East Texas: NGPL, STX: Index" in the issue of Inside FERC that reports priceseffective on that Pricing Date.









Date.




18A-44




18A-45

Rule 18.A.020 NGPL TXOK Basis Future




Contract Symbol: NTO



Currency: USD






Reference Price A: NATURAL GAS-NGPL (TEXOK)-INSIDE FERC

a) Description: "NATURAL GAS-NGPL (TEXOK)-INSIDE FERC" means that the price for a PricingDate will be that day's Specified Price per MMBTU of natural gas for delivery on the Delivery Date,stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot Gas Prices ($/MMBtu):East Texas: NGPL, Texok zone: Index" in the issue of Inside FERC that reports prices effective onthat Pricing Date.









Date.




18A-46




18A-47

Rule 18.A.021 NNG Demarc Basis Future




Contract Symbol: DEM



Currency: USD






Reference Price A: NATURAL GAS-NNG (DEMARCATION)-INSIDE FERC

a) Description: "NATURAL GAS-NNG (DEMARCATION)-INSIDE FERC" means that the price fora Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot GasPrices ($/MMBtu): Upper Midwest: Northern, demarc: Index" in the issue of Inside FERC thatreports prices effective on that Pricing Date.









Date.




18A-48




18A-49

Rule 18.A.022 NNG Ventura Basis Future




Contract Symbol: NVE



Currency: USD






Reference Price A: NATURAL GAS-NNG (VENTURA)-INSIDE FERC

a) Description: "NATURAL GAS-NNG (VENTURA)-INSIDE FERC" means that the price for aPricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot GasPrices ($/MMBtu): Upper Midwest: Northern, Ventura: Index" in the issue of Inside FERC thatreports prices effective on that Pricing Date.









Date.




18A-50




18A-51

Rule 18.A.023 NWP Rockies Basis Future




Contract Symbol: NWR



Currency: USD






Reference Price A: NATURAL GAS-NWPL (ROCKY MOUNTAINS)-INSIDE FERC

a) Description: "NATURAL GAS-NWPL (ROCKY MOUNTAINS)-INSIDE FERC" means that theprice for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery onthe Delivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot GasPrices ($/MMBtu): Rockies/Northwest: Northwest, Rocky Mountains: Index " in the issue of InsideFERC that reports prices effective on that Pricing Date.









Date.




18A-52




18A-53

Rule 18.A.024 NWP Sumas Basis Future




Contract Symbol: NSU



Currency: USD






Reference Price A: NATURAL GAS-NWPL (CANADIAN BORDER)-INSIDE FERC

a) Description: "NATURAL GAS-NWPL (CANADIAN BORDER)-INSIDE FERC" means that theprice for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery onthe Delivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot GasPrices ($/MMBtu): Rockies/Northwest: Northwest, Canadian border (Sumas): Index " in the issue ofInside FERC that reports prices effective on that Pricing Date.









Date.




18A-54




18A-55

Rule 18.A.025 ONEOK Gas Transportation Basis Future




Contract Symbol: ONE



Currency: USD






Reference Price A: NATURAL GAS-ONG (OKLAHOMA)-INSIDE FERC

a) Description: "NATURAL GAS-ONG (OKLAHOMA)-INSIDE FERC" means that the price for aPricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot GasPrices ($/MMBtu): Midcontinent: Oneok, Okla.: Index " in the issue of Inside FERC that reportsprices effective on that Pricing Date.









Date.




18A-56




18A-57

Rule 18.A.026 Panhandle Basis Future




Contract Symbol: PAN



Currency: USD






Reference Price A: NATURAL GAS-PEPL (TEXOK MAINLINE)-INSIDE FERC

a) Description: "NATURAL GAS-PEPL (TEXOK MAINLINE)-INSIDE FERC" means that the pricefor a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot GasPrices ($/MMBtu): Midcontinent: Panhandle, Tx.-Okla.: Index" in the issue of Inside FERC thatreports prices effective on that Pricing Date.









Date.




18A-58




18A-59

Rule 18.A.027 PG&E Citygate Basis Future




Contract Symbol: PGE



Currency: USD






Reference Price A: NATURAL GAS-CALIFORNIA (PG&E CITYGATE)-NGI

a) Description: "NATURAL GAS-CALIFORNIA (PG&E CITYGATE)-NGI" means that the price for

a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on the

Delivery Date, stated in U.S. Dollars, published under the heading "Spot Gas Prices: California:

PG&E Citygate: avg." in the issue of NGI's Bidweek Survey that reports prices effective on that

Pricing Date.









Date.




18A-60




18A-61

Rule 18.A.028 Socal Border Basis Future




Contract Symbol: SCL



Currency: USD






Reference Price A: NATURAL GAS-CALIFORNIA (SOUTHERN CALIFORNIA BDR. AVG.)-NGI

a) Description: "NATURAL GAS-CALIFORNIA (SOUTHERN CALIFORNIA BDR. AVG.)-NGI "

means that the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas

for delivery on the Delivery Date, stated in U.S. Dollars, published under the heading "Spot Gas

Prices: California: Southern Cal. Border Avg.: avg." in the issue of NGI's Bidweek Survey that










Date.




18A-62




18A-63

Rule 18.A.029 Socal Citygate Basis Future




Contract Symbol: SCB



Currency: USD






Reference Price A: NATURAL GAS-CALIFORNIA (SOCAL CITYGATE)-NGI

a) Description: "NATURAL GAS-CALIFORNIA (SOCAL CITYGATE)-NGI" means that the price



SoCal Citygate: avg." in the issue of NGI's Bidweek Survey that reports prices effective on that

Pricing Date.









Date.




18A-64




18A-65

Rule 18.A.030 Sonat Basis Future




Contract Symbol: SON



Currency: USD






Reference Price A: NATURAL GAS-SOUTHERN NATURAL (LOUISIANA)-INSIDE FERC

a) Description: "NATURAL GAS-SOUTHERN NATURAL (LOUISIANA)-INSIDE FERC" meansthat the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas fordelivery on the Delivery Date, stated in U.S. Dollars, published under the heading “Monthly BidweekSpot Gas Prices ($/MMBtu): Louisiana/Southeast: Southern Natural, La.: Index" in the issue of InsideFERC that reports prices effective on that Pricing Date.









Date.




18A-66




18A-67

Rule 18.A.031 Southern Star TX OK KS Basis Future




Contract Symbol: OUB



Currency: USD






Reference Price A: NATURAL GAS-SOUTHERN STAR (TEX/OKLA/KAN)-INSIDE FERC

a) Description: "NATURAL GAS-SOUTHERN STAR (TEX/OKLA/KAN)-INSIDE FERC" meansthat the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas fordelivery on the Delivery Date, stated in U.S. Dollars, published under the heading “Monthly BidweekSpot Gas Prices ($/MMBtu): Midcontinent: Southern Star: Index" in the issue of Inside FERC thatreports prices effective on that Pricing Date.









Date.




18A-68




18A-69

Rule 18.A.032 TCO Basis Future




Contract Symbol: TCO



Currency: USD






Reference Price A: NATURAL GAS-COLUMBIA GAS (APPALACHIA)-INSIDE FERC

a) Description: "NATURAL GAS-COLUMBIA GAS (APPALACHIA)-INSIDE FERC" means thatthe price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for deliveryon the Delivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek SpotGas Prices ($/MMBtu): Appalachia: Columbia Gas, App.: Index" in the issue of Inside FERC thatreports prices effective on that Pricing Date.









Date.




18A-70




18A-71

Rule 18.A.033 Tennessee 500L Basis Future




Contract Symbol: TFL



Currency: USD






Reference Price A: NATURAL GAS-TENNESSEE GAS (LOUISIANA, 500 LEG)-INSIDE FERC

a) Description: "NATURAL GAS-TENNESSEE GAS (LOUISIANA, 500 LEG)-INSIDE FERC"means that the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gasfor delivery on the Delivery Date, stated in U.S. Dollars, published under the heading “MonthlyBidweek Spot Gas Prices ($/MMBtu): Louisiana/Southeast: Tennessee, Louisiana, 500 Leg: Index "in the issue of Inside FERC that reports prices effective on that Pricing Date.









Date.




18A-72




18A-73

Rule 18.A.034 Tennessee 800L Basis Future




Contract Symbol: TSB



Currency: USD






Reference Price A: NATURAL GAS-TENNESSEE GAS (LOUISIANA, 800 LEG)-INSIDE FERC

a) Description: "NATURAL GAS-TENNESSEE GAS (LOUISIANA, 800 LEG)-INSIDE FERC"means that the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gasfor delivery on the Delivery Date, stated in U.S. Dollars, published under the heading “MonthlyBidweek Spot Gas Prices ($/MMBtu): Louisiana/Southeast: Tennessee, Louisiana, 800 Leg: Index" inthe issue of Inside FERC that reports prices effective on that Pricing Date.









Date.




18A-74




18A-75

Rule 18.A.035 Tennessee Zone 0 Basis Future




Contract Symbol: TZZ



Currency: USD






Reference Price A: NATURAL GAS-TENNESSEE GAS (TEXAS ZONE 0)-INSIDE FERC

a) Description: "NATURAL GAS-TENNESSEE GAS (TEXAS ZONE 0)-INSIDE FERC means thatthe price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for deliveryon the Delivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek SpotGas Prices ($/MMBtu): East Texas: Tennessee, zone 0: Index" in the issue of Inside FERC thatreports prices effective on that Pricing Date.









Date.




18A-76




18A-77

Rule 18.A.036 TETCO ELA Basis Future




Contract Symbol: TEB



Currency: USD






Reference Price A: NATURAL GAS-TETCO (E. LOUISIANA ZONE)-INSIDE FERC

a) Description: "NATURAL GAS-TETCO (E. LOUISIANA ZONE)-INSIDE FERC means that theprice for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery onthe Delivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot GasPrices ($/MMBtu): Louisiana/Southeast: Texas Eastern, ELA: Index " in the issue of Inside FERCthat reports prices effective on that Pricing Date.









Date.




18A-78




18A-79

Rule 18.A.037 TETCO M3 Basis Future




Contract Symbol: TMT



Currency: USD






Reference Price A: NATURAL GAS-NORTHEAST (TEXAS EASTERN ZONE M-3)-INSIDE FERC

a) Description: "NATURAL GAS-NORTHEAST (TEXAS EASTERN ZONE M-3)-INSIDE FERCmeans that the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gasfor delivery on the Delivery Date, stated in U.S. Dollars, published under the heading “MonthlyBidweek Spot Gas Prices ($/MMBtu): Northeast: Texas Eastern, M-3: Index" in the issue of InsideFERC that reports prices effective on that Pricing Date.









Date.




18A-80




18A-81

Rule 18.A.038 TETCO STX Basis Future




Contract Symbol: SXT



Currency: USD






Reference Price A: NATURAL GAS-TETCO (S. TEXAS ZONE)-INSIDE FERC

a) Description: "NATURAL GAS-TETCO (S. TEXAS ZONE)-INSIDE FERC means that the pricefor a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot GasPrices ($/MMBtu): East Texas: Texas Eastern, STX: Index" in the issue of Inside FERC that reportsprices effective on that Pricing Date.









Date.




18A-82




18A-83

Rule 18.A.039 TETCO WLA Basis Future




Contract Symbol: TWB



Currency: USD






Reference Price A: NATURAL GAS-TETCO (W. LOUISIANA ZONE)-INSIDE FERC

a) Description: "NATURAL GAS-TETCO (W. LOUISIANA ZONE)-INSIDE FERC means that the

price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on

the Delivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot Gas

Prices ($/MMBtu): Louisiana/Southeast: Texas Eastern, WLA: Index" in the issue of Inside FERC

that reports prices effective on that Pricing Date.









Date.




18A-84




18A-85

Rule 18.A.040 TGT Zone 1 Basis Future




Contract Symbol: TGB



Currency: USD






Reference Price A: NATURAL GAS-TGT (ZONE 1)-INSIDE FERC

a) Description: "NATURAL GAS-TGT (ZONE 1)-INSIDE FERC means that the price for a PricingDate will be that day's Specified Price per MMBTU of natural gas for delivery on the Delivery Date,stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot Gas Prices ($/MMBtu):Louisiana/Southeast: Texas Gas, zone 1: Index" in the issue of Inside FERC that reports priceseffective on that Pricing Date.









Date.




18A-86




18A-87

Rule 18.A.041 TGT Zone SL (FT) Basis Future




Contract Symbol: ZSL



Currency: USD






Reference Price A: NATURAL GAS-TGT (ZONE SL)-INSIDE FERC

a) Description: "NATURAL GAS-TGT (ZONE SL)-INSIDE FERC means that the price for a Pricing


stated in U.S. Dollars, published under the heading "Prices of Spot Gas Delivered to Pipelines

($/MMBtu): Texas Gas Transmission Corp.: Zone SL: Index" in the issue of Inside FERC that reports

prices effective on that Pricing Date.









Date.




18A-88




18A-89

Rule 18.A.042 Transco Station 30 (Zone 1) Basis Future




Contract Symbol: TTB



Currency: USD






Reference Price A: NATURAL GAS-TRANSCO (ZONE 1)-INSIDE FERC

a) Description: "NATURAL GAS-TRANSCO (ZONE 1)-INSIDE FERC" means that the price for aPricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot GasPrices ($/MMBtu): East Texas: Transco, zone 1: Index" in the issue of Inside FERC that reportsprices effective on that Pricing Date.









Date.




18A-90




18A-91





Contract Symbol: TNB



Currency: USD







a) Description: "NATURAL GAS-TRANSCO (ZONE 2)-INSIDE FERC" means that the price for a

Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on the

Delivery Date, stated in U.S. Dollars, published under the heading "Prices of Spot Gas Delivered to

Pipelines ($/MMBtu): Transcontinental Gas Pipe Line Corp.: Zone 2: Index" in the issue of Inside

FERC that reports prices effective on that Pricing Date.









Date.




18A-92




18A-93





Contract Symbol: STA



Currency: USD







a) Description: "NATURAL GAS-TRANSCO (ZONE 3)-INSIDE FERC" means that the price for aPricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot GasPrices ($/MMBtu): Louisiana/Southeast: Transco, zone 3: Index" in the issue of Inside FERC thatreports prices effective on that Pricing Date.









Date.




18A-94




18A-95





Contract Symbol: TRZ



Currency: USD
















Date.




18A-96




18A-97

Rule 18.A.046 Transco Zone 6 (non NY) Basis Future




Contract Symbol: TPB



Currency: USD






Reference Price A: NATURAL GAS-NORTHEAST (TRANSCO ZONE 6 NON-N.Y.)-INSIDE FERC

a) Description: "NATURAL GAS-NORTHEAST (TRANSCO ZONE 6 NON-N.Y.)-INSIDE FERC"means that the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gasfor delivery on the Delivery Date, stated in U.S. Dollars, published under the heading “MonthlyBidweek Spot Gas Prices ($/MMBtu): Northeast: Transco, zone 6 non-N.Y.: Index" in the issue ofInside FERC that reports prices effective on that Pricing Date.









Date.




18A-98




18A-99

Rule 18.A.047 Transco Zone 6 (NY) Basis Future




Contract Symbol: TZS



Currency: USD






Reference Price A: NATURAL GAS-NORTHEAST (TRANSCO ZONE 6 N.Y.)-INSIDE FERC

a) Description: "NATURAL GAS-NORTHEAST (TRANSCO ZONE 6 N.Y.)-INSIDE FERC" meansthat the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas fordelivery on the Delivery Date, stated in U.S. Dollars, published under the heading “Monthly BidweekSpot Gas Prices ($/MMBtu): Northeast: Transco, zone 6 N.Y.: Index" in the issue of Inside FERCthat reports prices effective on that Pricing Date.









Date.




18A-100




18A-101

Rule 18.A.048 Trunkline LA Basis Future




Contract Symbol: TRL



Currency: USD






Reference Price A: NATURAL GAS-TRUNKLINE (LOUISIANA)-INSIDE FERC

a) Description: "NATURAL GAS-TRUNKLINE (LOUISIANA)-INSIDE FERC" means that the pricefor a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot GasPrices ($/MMBtu): Louisiana/Southeast: Trunkline, La.: Index" in the issue of Inside FERC thatreports prices effective on that Pricing Date.









Date.




18A-102




18A-103

Rule 18.A.049 Union Dawn Basis Future




Contract Symbol: DWN



Currency: USD






Reference Price A: NATURAL GAS-UPPER MIDWEST (DAWN ONTARIO)-INSIDE FERC

a) Description: "NATURAL GAS-UPPER MIDWEST (DAWN ONTARIO)-INSIDE FERC" meansthat the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas fordelivery on the Delivery Date, stated in U.S. Dollars, published under the heading “Monthly BidweekSpot Gas Prices ($/MMBtu): Upper Midwest: Dawn, Ontario: Index" in the issue of Inside FERC thatreports prices effective on that Pricing Date.









Date.




18A-104




18A-105

Rule 18.A.050 Waha Basis Future




Contract Symbol: WAH



Currency: USD






Reference Price A: NATURAL GAS-W. TEXAS (WAHA)-INSIDE FERC

a) Description: "NATURAL GAS-W. TEXAS (WAHA)-INSIDE FERC" means that the price for aPricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot GasPrices ($/MMBtu): Southwest: Waha: Index" in the issue of Inside FERC that reports prices effectiveon that Pricing Date.









Date.




18A-106




18A-107

Rule 18.A.051 AB NIT Index Future


subtracting the monthly price published by Canadian Gas Price Reporter, as defined in Reference Price B, from

the average of the daily prices published by Canadian Gas Price Reporter, as defined in Reference Price A.

Contract Symbol: AIS



Currency: USD





Final Settlement: Average of the Reference Price A prices minus Reference Price B

Reference Price A: NATURAL GAS-NGX AB-NIT DAY AHEAD (US$/MMBTU)-CANADIAN GAS PRICE

REPORTER

a) Description: "NATURAL GAS-NGX AB-NIT DAY AHEAD (US$/MMBTU)-CANADIAN GAS

PRICE REPORTER" means that the price for a Pricing Date will be that day's Specified Price per

MMBTU of natural gas for delivery on the Delivery Date, stated in U.S. Dollars, published under the

heading "NGX AECO Day Ahead Price Index: Total: Average Price US$/MMBtu" in the issue of

Canadian Gas Price Reporter that reports prices effective for that Pricing Date.

b) Pricing Date: Each day that prices are reported for the Delivery Date



e) Delivery Date: Each calendar day in the Contract Period

Reference Price B: NATURAL GAS-NGX AB-NIT MONTH AHEAD INDEX 7A (US$/MMBTU)-


a) Description: "NATURAL GAS-NGX AB-NIT MONTH AHEAD INDEX 7A (US$/MMBTU)-

CANADIAN GAS PRICE REPORTER" means that the price for a Pricing Date will be that day's

Specified Price per MMBTU of natural gas for delivery on the Delivery Date, stated in U.S. Dollars,

published under the heading "Monthly Canadian and U.S. natural gas price summary: Canadian

Domestic Gas Prices: NGX AB-NIT Month Ahead Index (7A): US$/MMBtu" in the issue of

Canadian Gas Price Reporter that reports prices effective for that Pricing Date.

18A-108






following the last Business Day of the Contract Period

18A-109

Rule 18.A.052 Algonquin Citygates Index Future


subtracting the monthly price published by Inside FERC, as defined in Reference Price B, from the average of the

daily prices published by Gas Daily, as defined in Reference Price A.

Contract Symbol: ALI



Currency: USD






Reference Price A: NATURAL GAS-CITYGATES (ALGONQUIN)-GAS DAILY

a) Description: "NATURAL GAS-CITYGATES (ALGONQUIN)-GAS DAILY" means that the price


Delivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey ($/MMBtu):

Northeast: Algonquin, city-gates: Midpoint" in the issue of Gas Daily that reports prices effective on

that Pricing Date.


c) Specified Price: Midpoint

d) Pricing Calendar: Gas Daily


Reference Price B: NATURAL GAS-NORTHEAST (ALGONQUIN CITY-GATE)-INSIDE FERC

a) Description: "NATURAL GAS-NORTHEAST (ALGONQUIN CITY-GATE)-INSIDE FERC"


for delivery on the Delivery Date, stated in U.S. Dollars, published under the heading “Monthly

Bidweek Spot Gas Prices ($/MMBtu): Northeast: Algonquin, city-gates: Index" in the issue of Inside


b) Pricing Date: First publication date of the Contract Period


18A-110



Final Payment Date: The third Clearing Organization business day following the last Business Day of the

Contract Period

18A-111

Rule 18.A.053 ANR SE (Louisiana) Index Future




Contract Symbol: API



Currency: USD






Reference Price A: NATURAL GAS-LOUISIANA (ANR)-GAS DAILY

a) Description: "NATURAL GAS-LOUISIANA (ANR)-GAS DAILY" means that the price for aPricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey ($/MMBtu):Louisiana/Southeast: ANR, La.: Midpoint" in the issue of Gas Daily that reports prices effective onthat Pricing Date.





Reference Price B: NATURAL GAS-ANR (LOUISIANA)-INSIDE FERC

a) Description: "NATURAL GAS-ANR (LOUISIANA)-INSIDE FERC" means that the price for aPricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot GasPrices ($/MMBtu): Louisiana/Southeast: ANR, La.: Index" in the issue of Inside FERC that reportsprices effective on that Pricing Date.




18A-112



Contract Period

18A-113

Rule 18.A.054 ANR SW (Oklahoma) Index Future




Contract Symbol: AOI



Currency: USD






Reference Price A: NATURAL GAS-OKLAHOMA (ANR)-GAS DAILY

a) Description: "NATURAL GAS-OKLAHOMA (ANR)-GAS DAILY" means that the price for a



Midcontinent: ANR, Okla.: Midpoint" in the issue of Gas Daily that reports prices effective on that

Pricing Date.





Reference Price B: NATURAL GAS-ANR (OKLAHOMA)-INSIDE FERC

a) Description: "NATURAL GAS-ANR (OKLAHOMA)-INSIDE FERC" means that the price for a


Delivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot Gas

Prices ($/MMBtu): Midcontinent: ANR, Okla.: Index" in the issue of Inside FERC that reports prices

effective on that Pricing Date.



18A-114




Contract Period

18A-115

Rule 18.A.055 Enable Gas Index Future




Contract Symbol: CTI



Currency: USD






Reference Price A: NATURAL GAS-OKLAHOMA (ENABLE GAS, EAST)-GAS DAILY

a) Description: "NATURAL GAS-OKLAHOMA (ENABLE GAS EAST)-GAS DAILY" means thatthe price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for deliveryon the Delivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey($/MMBtu): Midcontinent: Enable Gas, East: Midpoint" in the issue of Gas Daily that reports priceseffective on that Pricing Date.





Reference Price B: NATURAL GAS-ENABLE GAS (EAST)-INSIDE FERC

a) Description: "NATURAL GAS-ENABLE GAS (EAST)-INSIDE FERC" means that the price for aPricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot GasPrices ($/MMBtu): Midcontinent: Enable Gas, East: Index" in the issue of Inside FERC that reportsprices effective on that Pricing Date.




18A-116



Contract Period

18A-117

Rule 18.A.056 CG-Mainline Index Future




Contract Symbol: CGI



Currency: USD






Reference Price A: NATURAL GAS-LOUISIANA (COLUMBIA GULF MAINLINE)-GAS DAILY

a) Description: "NATURAL GAS-LOUISIANA (COLUMBIA GULF MAINLINE)-GAS DAILY"means that the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gasfor delivery on the Delivery Date, stated in U.S. Dollars, published under the heading “Daily PriceSurvey ($/MMBtu): Louisiana/Southeast: Columbia Gulf, mainline: Midpoint" in the issue of GasDaily that reports prices effective on that Pricing Date.





Reference Price B: NATURAL GAS-COLUMBIA GULF (MAINLINE)-INSIDE FERC

a) Description: "NATURAL GAS-COLUMBIA GULF (MAINLINE)-INSIDE FERC” means that theprice for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery onthe Delivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot GasPrices ($/MMBtu): Louisiana/Southeast: Columbia Gulf, mainline: Index" in the issue of InsideFERC that reports prices effective on that Pricing Date .




18A-118



Contract Period

18A-119

Rule 18.A.057 Chicago Index Future


subtracting the monthly price published by NGI, as defined in Reference Price B, from the average of the daily

prices published by Gas Daily, as defined in Reference Price A.

Contract Symbol: CIS



Currency: USD






Reference Price A: NATURAL GAS-CITYGATES (CHICAGO)-GAS DAILY

a) Description: "NATURAL GAS-CITYGATES (CHICAGO)-GAS DAILY" means that the price fora Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey ($/MMBtu):Upper Midwest: Chicago city-gates: Midpoint" in the issue of Gas Daily that reports prices effectiveon that Pricing Date.





Reference Price B: NATURAL GAS-MIDWEST (CHICAGO CITYGATE)-NGI

a) Description: "NATURAL GAS-MIDWEST (CHICAGO CITYGATE)-NGI" means that the price


Delivery Date, stated in U.S. Dollars, published under the heading "Spot Gas Prices: Midwest:

Chicago Citygate: avg." in the issue of NGI's Bidweek Survey that reports prices effective on that

Pricing Date.



18A-120




Contract Period

18A-121

Rule 18.A.058 CIG Rockies Index Future




Contract Symbol: CRC



Currency: USD






Reference Price A: NATURAL GAS-ROCKIES (CIG ROCKY MOUNTAINS)-GAS DAILY

a) Description: "NATURAL GAS-ROCKIES (CIG ROCKY MOUNTAINS)-GAS DAILY" meansthat the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas fordelivery on the Delivery Date, stated in U.S. Dollars, published under the heading “Daily PriceSurvey ($/MMBtu): Rockies/Northwest: CIG, Rockies: Midpoint" in the issue of Gas Daily thatreports prices effective on that Pricing Date.





Reference Price B: NATURAL GAS-CIG (ROCKY MOUNTAINS)-INSIDE FERC

a) Description: "NATURAL GAS-CIG (ROCKY MOUNTAINS)-INSIDE FERC" means that theprice for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery onthe Delivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot GasPrices ($/MMBtu): Rockies/Northwest: CIG, Rockies: Index" in the issue of Inside FERC that reportsprices effective on that Pricing Date.




18A-122



Contract Period

18A-123

Rule 18.A.059 Dominion South Index Future




Contract Symbol: DIS



Currency: USD






Reference Price A: NATURAL GAS-APPALACHIA (DOMINION SOUTH POINT)-GAS DAILY

a) Description: "NATURAL GAS-APPALACHIA (DOMINION SOUTH POINT)-GAS DAILY"means that the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gasfor delivery on the Delivery Date, stated in U.S. Dollars, published under the heading “Daily PriceSurvey ($/MMBtu): Appalachia: Dominion, South Point: Midpoint" in the issue of Gas Daily thatreports prices effective on that Pricing Date.





Reference Price B: NATURAL GAS-DOMINION (APPALACHIA)-INSIDE FERC

a) Description: "NATURAL GAS-DOMINION (APPALACHIA)-INSIDE FERC" means that theprice for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery onthe Delivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot GasPrices ($/MMBtu): Appalachia: Dominion, Appalachia: Index" in the issue of Inside FERC thatreports prices effective on that Pricing Date.




18A-124



Contract Period

18A-125

Rule 18.A.060 EP Permian Index Future




Contract Symbol: PEI



Currency: USD






Reference Price A: NATURAL GAS-PERMIAN BASIN (EL PASO)-GAS DAILY

a) Description: "NATURAL GAS-PERMIAN BASIN (EL PASO)-GAS DAILY" means that the pricefor a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey ($/MMBtu):Southwest: El Paso, Permian: Midpoint" in the issue of Gas Daily that reports prices effective on thatPricing Date.





Reference Price B: NATURAL GAS-EL PASO (PERMIAN BASIN)-INSIDE FERC

a) Description: "NATURAL GAS-EL PASO (PERMIAN BASIN)-INSIDE FERC" means that the pricefor a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot Gas Prices($/MMBtu): Southwest: El Paso, Permian Basin: Index" in the issue of Inside FERC that reports priceseffective on that Pricing Date.




18A-126



Contract Period

18A-127

Rule 18.A.061 EP San Juan Index Future




Contract Symbol: SNI



Currency: USD






Reference Price A: NATURAL GAS-NEW MEXICO (EL PASO, SAN JUAN)-GAS DAILY

a) Description: "NATURAL GAS-NEW MEXICO (EL PASO SAN JUAN)-GAS DAILY" means thatthe price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for deliveryon the Delivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey($/MMBtu): Southwest: El Paso, San Juan: Midpoint" in the issue of Gas Daily that reports priceseffective on that Pricing Date.





Reference Price B: NATURAL GAS-EL PASO (SAN JUAN BASIN)-INSIDE FERC

a) Description: "NATURAL GAS-EL PASO (SAN JUAN BASIN)-INSIDE FERC" means that theprice for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery onthe Delivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot GasPrices ($/MMBtu): Southwest: El Paso, San Juan: Index" in the issue of Inside FERC that reportsprices effective on that Pricing Date.




18A-128



Contract Period

18A-129

Rule 18.A.062 Florida Gas Zone 3 Index Future




Contract Symbol: FTI



Currency: USD






Reference Price A: NATURAL GAS-LOUISIANA (FLORIDA GAS ZONE 3)-GAS DAILY

a) Description: "NATURAL GAS-LOUISIANA (FLORIDA GAS ZONE 3)-GAS DAILY" means thatthe price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for deliveryon the Delivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey($/MMBtu): Louisiana/Southeast: Florida Gas, zone 3: Midpoint" in the issue of Gas Daily thatreports prices effective on that Pricing Date.





Reference Price B: NATURAL GAS-FLORIDA GAS (ZONE 3)-INSIDE FERC

a) Description: "NATURAL GAS-FLORIDA GAS (ZONE 3)-INSIDE FERC" means that the pricefor a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot GasPrices ($/MMBtu): Louisiana/Southeast: Florida Gas, zone 3: Index" in the issue of Inside FERC thatreports prices effective on that Pricing Date.




18A-130



Contract Period

18A-131

Rule 18.A.063 Henry Index Future




Contract Symbol: HIS



Currency: USD






Reference Price A: NATURAL GAS-LOUISIANA (HENRY HUB)-GAS DAILY

a) Description: "NATURAL GAS-LOUISIANA (HENRY HUB)-GAS DAILY" means that the pricefor a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey ($/MMBtu):Louisiana/Southeast: Henry Hub: Midpoint" in the issue of Gas Daily that reports prices effective onthat Pricing Date.





Reference Price B: NATURAL GAS-S. LOUISIANA (HENRY HUB)-INSIDE FERC

a) Description: "NATURAL GAS-S. LOUISIANA (HENRY HUB)-INSIDE FERC" means that theprice for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery onthe Delivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot GasPrices ($/MMBtu): Louisiana/Southeast: Henry Hub: Index" in the issue of Inside FERC that reportsprices effective on that Pricing Date.




18A-132



Contract Period

18A-133

Rule 18.A.064 HSC Index Future




Contract Symbol: SHS



Currency: USD






Reference Price A: NATURAL GAS-E. HOUSTON-KATY (HOUSTON SHIP CHANNEL)-GAS DAILY

a) Description: "NATURAL GAS-E. HOUSTON-KATY (HOUSTON SHIP CHANNEL)-GAS

DAILY" means that the price for a Pricing Date will be that day's Specified Price per MMBTU of

natural gas for delivery on the Delivery Date, stated in U.S. Dollars, published under the heading

"Daily price survey ($/MMBtu): East-Houston-Katy: Houston Ship Channel: Midpoint" in the issue

of Gas Daily that reports prices effective on that Pricing Date.





Reference Price B: NATURAL GAS-E. TEXAS (HOUSTON SHIP CHANNEL)-INSIDE FERC

a) Description: "NATURAL GAS-E. TEXAS (HOUSTON SHIP CHANNEL)-INSIDE FERC" means

that the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for

delivery on the Delivery Date, stated in U.S. Dollars, published under the heading "Market Center

Spot Gas Prices ($/MMBtu): East Texas: Houston Ship Channel: Index" in the issue of Inside FERC




18A-134




Contract Period

18A-135

Rule 18.A.065 Malin Index Future




Contract Symbol: MIS



Currency: USD






Reference Price A: NATURAL GAS-OTHERS (PG&E MALIN)-GAS DAILY

a) Description: "NATURAL GAS-OTHERS (PG&E MALIN)-GAS DAILY" means that the price fora Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey ($/MMBtu):Rockies/Northwest: PG&E, Malin: Midpoint" in the issue of Gas Daily that reports prices effectiveon that Pricing Date.





Reference Price B: NATURAL GAS-CALIFORNIA (MALIN)-NGI

a) Description: "NATURAL GAS-CALIFORNIA (MALIN)-NGI" means that the price for a Pricing


stated in U.S. Dollars, published under the heading "Spot Gas Prices: California: Malin: avg." in the

issue of NGI's Bidweek Survey that reports prices effective on that Pricing Date.




18A-136



Contract Period

18A-137

Rule 18.A.066 Michcon Index Future




Contract Symbol: NMI



Currency: USD






Reference Price A: NATURAL GAS-CITYGATES (MICH CON)-GAS DAILY

a) Description: "NATURAL GAS-CITYGATES (MICH CON)-GAS DAILY" means that the price fora Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey ($/MMBtu):Upper Midwest: Mich Con city-gate: Midpoint" in the issue of Gas Daily that reports prices effectiveon that Pricing Date.





Reference Price B: NATURAL GAS-UPPER MIDWEST (MICH CON CITY-GATE)-INSIDE FERC

a) Description: "NATURAL GAS-UPPER MIDWEST (MICH CON CITY-GATE)-INSIDE FERC"means that the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gasfor delivery on the Delivery Date, stated in U.S. Dollars, published under the heading “MonthlyBidweek Spot Gas Prices ($/MMBtu): Upper Midwest: Mich Con city-gate: Index" in the issue ofInside FERC that reports prices effective on that Pricing Date.




18A-138



Contract Period

18A-139

Rule 18.A.067 NGPL Midcont Index Future




Contract Symbol: MCI



Currency: USD






Reference Price A: NATURAL GAS-OKLAHOMA (NGPL)-GAS DAILY

a) Description: "NATURAL GAS-OKLAHOMA (NGPL)-GAS DAILY" means that the price for aPricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey ($/MMBtu):Midcontinent: NGPL, Midcontinent: Midpoint" in the issue of Gas Daily that reports prices effectiveon that Pricing Date.





Reference Price B: NATURAL GAS-NGPL (MIDCONTINENT)-INSIDE FERC

a) Description: "NATURAL GAS-NGPL (MIDCONTINENT)-INSIDE FERC" means that the pricefor a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot GasPrices ($/MMBtu): Midcontinent: NGPL, Midcontinent: Index" in the issue of Inside FERC thatreports prices effective on that Pricing Date.




18A-140



Contract Period

18A-141

Rule 18.A.068 NGPL STX Index Future




Contract Symbol: NXI



Currency: USD






Reference Price A: NATURAL GAS-SOUTH-CORPUS CHRISTI (NGPL STX)-GAS DAILY

a) Description: "NATURAL GAS-SOUTH-CORPUS CHRISTI (NGPL STX)-GAS DAILY" meansthat the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas fordelivery on the Delivery Date, stated in U.S. Dollars, published under the heading “Daily PriceSurvey ($/MMBtu): East Texas: NGPL, STX: Midpoint" in the issue of Gas Daily that reports priceseffective on that Pricing Date.





Reference Price B: NATURAL GAS-NGPL (SOUTH TEXAS)-INSIDE FERC

a) Description: "NATURAL GAS-NGPL (SOUTH TEXAS)-INSIDE FERC" means that the price fora Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot GasPrices ($/MMBtu): East Texas: NGPL, STX: Index" in the issue of Inside FERC that reports priceseffective on that Pricing Date.




18A-142



Contract Period

18A-143

Rule 18.A.069 NGPL TXOK Index Future




Contract Symbol: NTI



Currency: USD






Reference Price A: NATURAL GAS-EAST TEXAS (NGPL TEXOK)-GAS DAILY

a) Description: "NATURAL GAS-EAST TEXAS (NGPL TEXOK)-GAS DAILY" means that theprice for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery onthe Delivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey($/MMBtu): East Texas: NGPL, Texok zone: Midpoint" in the issue of Gas Daily that reports priceseffective on that Pricing Date.





Reference Price B: NATURAL GAS-NGPL (TEXOK)-INSIDE FERC

a) Description: "NATURAL GAS-NGPL (TEXOK)-INSIDE FERC" means that the price for a PricingDate will be that day's Specified Price per MMBTU of natural gas for delivery on the Delivery Date,stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot Gas Prices ($/MMBtu):East Texas: NGPL, Texok zone: Index" in the issue of Inside FERC that reports prices effective onthat Pricing Date.




18A-144



Contract Period

18A-145

Rule 18.A.070 NNG Demarc Index Future




Contract Symbol: DEI



Currency: USD






Reference Price A: NATURAL GAS-OTHERS (DEMARCATION)-GAS DAILY

a) Description: "NATURAL GAS-OTHERS (DEMARCATION)-GAS DAILY" means that the pricefor a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey ($/MMBtu):Upper Midwest: Northern, demarc: Midpoint" in the issue of Gas Daily that reports prices effectiveon that Pricing Date.





Reference Price B: NATURAL GAS-NNG (DEMARCATION)-INSIDE FERC

a) Description: "NATURAL GAS-NNG (DEMARCATION)-INSIDE FERC" means that the price fora Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot GasPrices ($/MMBtu): Upper Midwest: Northern, demarc: Index" in the issue of Inside FERC thatreports prices effective on that Pricing Date.




18A-146



Contract Period

18A-147

Rule 18.A.071 NNG Ventura Index Future




Contract Symbol: NNI



Currency: USD






Reference Price A: NATURAL GAS-OTHERS (VENTURA)-GAS DAILY

a) Description: "NATURAL GAS-OTHERS (VENTURA)-GAS DAILY" means that the price for aPricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey ($/MMBtu):Upper Midwest: Northern, Ventura: Midpoint" in the issue of Gas Daily that reports prices effectiveon that Pricing Date.





Reference Price B: NATURAL GAS-NNG (VENTURA)-INSIDE FERC

a) Description: "NATURAL GAS-NNG (VENTURA)-INSIDE FERC" means that the price for aPricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot GasPrices ($/MMBtu): Upper Midwest: Northern, Ventura: Index" in the issue of Inside FERC thatreports prices effective on that Pricing Date.




18A-148



Contract Period

18A-149

Rule 18.A.072 NWP Rockies Index Future




Contract Symbol: RSI



Currency: USD






Reference Price A: NATURAL GAS-ROCKIES (KERN RIVER OPAL PLANT)-)-GAS DAILY

a) "NATURAL GAS-ROCKIES (KERN RIVER OPAL PLANT)-GAS DAILY" means that the pricefor a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey ($/MMBtu):Rockies/Northwest: Kern River, Opal: Midpoint" in the issue of Gas Daily that reports priceseffective on that Pricing Date.





Reference Price B: NATURAL GAS-NWPL (ROCKY MOUNTAINS)-INSIDE FERC

a) Description: "NATURAL GAS-NWPL (ROCKY MOUNTAINS)-INSIDE FERC" means that theprice for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery onthe Delivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot GasPrices ($/MMBtu): Rockies/Northwest: Northwest, Rocky Mountains: Index" in the issue of InsideFERC that reports prices effective on that Pricing Date.




18A-150



Contract Period

18A-151

Rule 18.A.073 NWP Sumas Index Future




Contract Symbol: NIS



Currency: USD






Reference Price A: NATURAL GAS-CANADIAN GAS (NORTHWEST SUMAS)-GAS DAILY

a) Description: "NATURAL GAS-CANADIAN GAS (NORTHWEST SUMAS)-GAS DAILY" meansthat the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas fordelivery on the Delivery Date, stated in U.S. Dollars, published under the heading “Daily PriceSurvey ($/MMBtu): Rockies/Northwest: NW, Can. bdr. (Sumas): Midpoint" in the issue of Gas Dailythat reports prices effective on that Pricing Date.





Reference Price B: NATURAL GAS-NWPL (CANADIAN BORDER)-INSIDE FERC

a) Description: "NATURAL GAS-NWPL (CANADIAN BORDER)-INSIDE FERC" means that theprice for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery onthe Delivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot GasPrices ($/MMBtu): Rockies/Northwest: Northwest, Canadian border (Sumas): Index" in the issue ofInside FERC that reports prices effective on that Pricing Date.




18A-152



Contract Period

18A-153

Rule 18.A.074 ONEOK Gas Transporation Index Future




Contract Symbol: ONI



Currency: USD






Reference Price A: NATURAL GAS-OKLAHOMA (ONEOK OKLA)-GAS DAILY

a) Description: "NATURAL GAS-OKLAHOMA (ONEOK OKLA)-GAS DAILY" means that theprice for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery onthe Delivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey($/MMBtu): Midcontinent: Oneok, Okla.: Midpoint" in the issue of Gas Daily that reports priceseffective on that Pricing Date.





Reference Price B: NATURAL GAS-ONG (OKLAHOMA)-INSIDE FERC

a) Description: "NATURAL GAS-ONG (OKLAHOMA)-INSIDE FERC" means that the price for aPricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot GasPrices ($/MMBtu): Midcontinent: Oneok, Okla.: Index" in the issue of Inside FERC that reportsprices effective on that Pricing Date.




18A-154



Contract Period

18A-155

Rule 18.A.075 Panhandle Index Future




Contract Symbol: PIS



Currency: USD






Reference Price A: NATURAL GAS-OKLAHOMA (PANHANDLE)-GAS DAILY

a) Description: "NATURAL GAS-OKLAHOMA (PANHANDLE)-GAS DAILY" means that the pricefor a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey ($/MMBtu):Midcontinent: Panhandle, Tx.-Okla.: Midpoint" in the issue of Gas Daily that reports prices effectiveon that Pricing Date.





Reference Price B: NATURAL GAS-PEPL (TEXOK MAINLINE)-INSIDE FERC

a) Description: "NATURAL GAS-PEPL (TEXOK MAINLINE)-INSIDE FERC" means that the pricefor a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot Gas Prices($/MMBtu): Midcontinent: Panhandle, Tx.-Okla.: Index" in the issue of Inside FERC that reportsprices effective on that Pricing Date.




18A-156



Contract Period

18A-157

Rule 18.A.076 PG&E Citygate Index Future




Contract Symbol: EIS



Currency: USD






Reference Price A: NATURAL GAS-CITYGATES (PG&E)-GAS DAILY

a) Description: "NATURAL GAS-CITYGATES (PG&E)-GAS DAILY" means that the price for aPricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey ($/MMBtu):Southwest: PG&E city-gate: Midpoint" in the issue of Gas Daily that reports prices effective on thatPricing Date.





Reference Price B: NATURAL GAS-CALIFORNIA (PG&E CITYGATE)-NGI

a) Description: "NATURAL GAS-CALIFORNIA (PG&E CITYGATE)-NGI" means that the price for



PG&E Citygate: avg." in the issue of NGI's Bidweek Survey that reports prices effective on that

Pricing Date.



18A-158




Contract Period

18A-159

Rule 18.A.077 Socal Border Index Future




Contract Symbol: SIS



Currency: USD






Reference Price A: NATURAL GAS-OTHERS (SOCAL GAS)-GAS DAILY

a) Description: "NATURAL GAS-OTHERS (SOCAL GAS)-GAS DAILY" means that the price for aPricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey ($/MMBtu):Southwest: SoCal Gas: Midpoint" in the issue of Gas Daily that reports prices effective on thatPricing Date.





Reference Price B: NATURAL GAS-CALIFORNIA (SOUTHERN CALIFORNIA BDR. AVG.)-NGI








18A-160




Contract Period

18A-161

Rule 18.A.078 Socal Citygate Index Future




Contract Symbol: SCI



Currency: USD






Reference Price A: NATURAL GAS-CITYGATES (SOCAL)-GAS DAILY

a) Description: "NATURAL GAS-E. HOUSTON-KATY (HOUSTON SHIP CHANNEL)-GASDAILY" means that the price for a Pricing Date will be that day's Specified Price per MMBTU ofnatural gas for delivery on the Delivery Date, stated in U.S. Dollars, published under the heading“Daily Price Survey ($/MMBtu): East Texas: Houston Ship Channel: Midpoint" in the issue of GasDaily that reports prices effective on that Pricing Date.





Reference Price B: NATURAL GAS-CALIFORNIA (SOCAL CITYGATE)-NGI

a) Description: "NATURAL GAS-E. TEXAS (HOUSTON SHIP CHANNEL)-INSIDE FERC" meansthat the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas fordelivery on the Delivery Date, stated in U.S. Dollars, published under the heading “Monthly BidweekSpot Gas Prices ($/MMBtu): East Texas: Houston Ship Channel: Index" in the issue of Inside FERCthat reports prices effective on that Pricing Date.




18A-162



Contract Period

18A-163

Rule 18.A.079 Sonat Index Future




Contract Symbol: SOI



Currency: USD






Reference Price A: NATURAL GAS-LOUISIANA (SOUTHERN NATURAL)-GAS DAILY

a) Description: "NATURAL GAS-LOUISIANA (SOUTHERN NATURAL)-GAS DAILY" meansthat the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas fordelivery on the Delivery Date, stated in U.S. Dollars, published under the heading “Daily PriceSurvey ($/MMBtu): Louisiana/Southeast: Southern Natural, La.: Midpoint" in the issue of Gas Dailythat reports prices effective on that Pricing Date.





Reference Price B: NATURAL GAS-SOUTHERN NATURAL (LOUISIANA)-INSIDE FERC

a) Description: "NATURAL GAS-SOUTHERN NATURAL (LOUISIANA)-INSIDE FERC" meansthat the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas fordelivery on the Delivery Date, stated in U.S. Dollars, published under the heading “Monthly BidweekSpot Gas Prices ($/MMBtu): Louisiana/Southeast: Southern Natural, La.: Index" in the issue of InsideFERC that reports prices effective on that Pricing Date.




18A-164



Contract Period

18A-165

Rule 18.A.080 Southern Star TX OK KS Index Future




Contract Symbol: OUI



Currency: USD






Reference Price A: NATURAL GAS-OKLAHOMA (SOUTHERN STAR)-GAS DAILY

a) Description: "NATURAL GAS-OKLAHOMA (SOUTHERN STAR)-GAS DAILY" means that theprice for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery onthe Delivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey($/MMBtu): Midcontinent: Southern Star: Midpoint" in the issue of Gas Daily that reports priceseffective on that Pricing Date.





Reference Price B: NATURAL GAS-SOUTHERN STAR (TEX/OKLA/KAN)-INSIDE FERC

a) Description: "NATURAL GAS-SOUTHERN STAR (TEX/OKLA/KAN)-INSIDE FERC" meansthat the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas fordelivery on the Delivery Date, stated in U.S. Dollars, published under the heading “Monthly BidweekSpot Gas Prices ($/MMBtu): Midcontinent: Southern Star: Index" in the issue of Inside FERC thatreports prices effective on that Pricing Date.




18A-166



Contract Period

18A-167

Rule 18.A.081 TCO Index Future




Contract Symbol: TIS



Currency: USD






Reference Price A: NATURAL GAS-APPALACHIA (COLUMBIA GAS)-GAS DAILY

a) Description: "NATURAL GAS-APPALACHIA (COLUMBIA GAS)-GAS DAILY" means that theprice for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery onthe Delivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey($/MMBtu): Appalachia: Columbia Gas, App.: Midpoint" in the issue of Gas Daily that reports priceseffective on that Pricing Date.





Reference Price B: NATURAL GAS-COLUMBIA GAS (APPALACHIA)-INSIDE FERC

a) Description: "NATURAL GAS-COLUMBIA GAS (APPALACHIA)-INSIDE FERC" means thatthe price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for deliveryon the Delivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek SpotGas Prices ($/MMBtu): Appalachia: Columbia Gas, App.: Index" in the issue of Inside FERC thatreports prices effective on that Pricing Date.




18A-168



Contract Period

18A-169

Rule 18.A.082 Tennessee 500L Index Future




Contract Symbol: TFI



Currency: USD






Reference Price A: NATURAL GAS-LOUISIANA (TENNESSEE 500 LEG)-GAS DAILY

a) Description: "NATURAL GAS-LOUISIANA (TENNESSEE 500 LEG)-GAS DAILY" means thatthe price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for deliveryon the Delivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey($/MMBtu): Louisiana/Southeast: Tennessee, 500 Leg: Midpoint" in the issue of Gas Daily thatreports prices effective on that Pricing Date.





Reference Price B: NATURAL GAS-TENNESSEE GAS (LOUISIANA, 500 LEG)-INSIDE FERC

a) Description: "NATURAL GAS-TENNESSEE GAS (LOUISIANA, 500 LEG)-INSIDE FERC"means that the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gasfor delivery on the Delivery Date, stated in U.S. Dollars, published under the heading “MonthlyBidweek Spot Gas Prices ($/MMBtu): Louisiana/Southeast: Tennessee, Louisiana, 500 Leg: Index" inthe issue of Inside FERC that reports prices effective on that Pricing Date.




18A-170



Contract Period

18A-171

Rule 18.A.083 Tennessee Zone 0 Index Future




Contract Symbol: TZI



Currency: USD






Reference Price A: NATURAL GAS-SOUTH-CORPUS CHRISTI (TENNESSEE ZONE 0)-GAS DAILY

a) Description: "NATURAL GAS-SOUTH-CORPUS CHRISTI (TENNESSEE ZONE 0)-GASDAILY" means that the price for a Pricing Date will be that day's Specified Price per MMBTU ofnatural gas for delivery on the Delivery Date, stated in U.S. Dollars, published under the heading“Daily Price Survey ($/MMBtu): East Texas: Tennessee, zone 0: Midpoint" in the issue of Gas Dailythat reports prices effective on that Pricing Date.





Reference Price B: NATURAL GAS-TENNESSEE GAS (TEXAS ZONE 0)-INSIDE FERC

a) Description: "NATURAL GAS-TENNESSEE GAS (TEXAS ZONE 0)-INSIDE FERC" means thatthe price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for deliveryon the Delivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek SpotGas Prices ($/MMBtu): East Texas: Tennessee, zone 0: Index" in the issue of Inside FERC thatreports prices effective on that Pricing Date.




18A-172



Contract Period

18A-173

Rule 18.A.084 TETCO ELA Index Future




Contract Symbol: TEI



Currency: USD






Reference Price A: NATURAL GAS-LOUISIANA (TEXAS EASTERN ELA)-GAS DAILY

a) Description: "NATURAL GAS-LOUISIANA (TEXAS EASTERN ELA)-GAS DAILY" means thatthe price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for deliveryon the Delivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey($/MMBtu): Louisiana/Southeast: Tx. Eastern, ELA: Midpoint" in the issue of Gas Daily that reportsprices.





Reference Price B: NATURAL GAS-TETCO (E. LOUISIANA ZONE)-INSIDE FERC

a) Description: "NATURAL GAS-TETCO (E. LOUISIANA ZONE)-INSIDE FERC" means that theprice for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery onthe Delivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot GasPrices ($/MMBtu): Louisiana/Southeast: Texas Eastern, ELA: Index" in the issue of Inside FERC thatreports prices effective on that Pricing Date.




18A-174



Contract Period

18A-175

Rule 18.A.085 TETCO M3 Index Future




Contract Symbol: MTI



Currency: USD






Reference Price A: NATURAL GAS-CITYGATES (TEXAS EASTERN ZONE M-3)-GAS DAILY

a) Description: "NATURAL GAS-CITYGATES (TEXAS EASTERN ZONE M-3)-GAS DAILY"means that the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gasfor delivery on the Delivery Date, stated in U.S. Dollars, published under the heading “Daily PriceSurvey ($/MMBtu): Northeast: Tx. Eastern, M-3: Midpoint" in the issue of Gas Daily that reportsprices effective on that Pricing Date.





Reference Price B: NATURAL GAS-NORTHEAST (TEXAS EASTERN ZONE M-3)-INSIDE FERC

a) Description: "NATURAL GAS-NORTHEAST (TEXAS EASTERN ZONE M-3)-INSIDE FERC"means that the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gasfor delivery on the Delivery Date, stated in U.S. Dollars, published under the heading “MonthlyBidweek Spot Gas Prices ($/MMBtu): Northeast: Texas Eastern, M-3: Index" in the issue of InsideFERC that reports prices effective on that Pricing Date.




18A-176



Contract Period

18A-177

Rule 18.A.086 TETCO STX Index Future




Contract Symbol: SXI



Currency: USD






Reference Price A: NATURAL GAS-SOUTH-CORPUS CHRISTI (TEXAS EASTERN STX)-GAS DAILY

a) Description: "NATURAL GAS-SOUTH-CORPUS CHRISTI (TEXAS EASTERN STX)-GASDAILY" means that the price for a Pricing Date will be that day's Specified Price per MMBTU ofnatural gas for delivery on the Delivery Date, stated in U.S. Dollars, published under the heading“Daily Price Survey ($/MMBtu): East Texas: Tx. Eastern, STX: Midpoint" in the issue of Gas Dailythat reports prices effective on that Pricing Date.





Reference Price B: NATURAL GAS-TETCO (S. TEXAS ZONE)-INSIDE FERC

a) Description: "NATURAL GAS-TETCO (S. TEXAS ZONE)-INSIDE FERC" means that the pricefor a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot GasPrices ($/MMBtu): East Texas: Texas Eastern, STX: Index" in the issue of Inside FERC that reportsprices effective on that Pricing Date.




18A-178



Contract Period

18A-179

Rule 18.A.087 TETCO WLA Index Future




Contract Symbol: TWI



Currency: USD






Reference Price A: NATURAL GAS-LOUISIANA (TEXAS EASTERN WLA)-GAS DAILY

a) Description: "NATURAL GAS-LOUISIANA (TEXAS EASTERN WLA)-GAS DAILY" means


delivery on the Delivery Date, stated in U.S. Dollars, published under the heading "Daily price survey

($/MMBtu): Louisiana-Onshore South: Texas Eastern, WLA: Midpoint" in the issue of Gas Daily that






Reference Price B: NATURAL GAS-TETCO (W. LOUISIANA ZONE)-INSIDE FERC

a) Description: "NATURAL GAS-TETCO (W. LOUISIANA ZONE)-INSIDE FERC" means that the


the Delivery Date, stated in U.S. Dollars, published under the heading "Prices of Spot Gas Delivered

to Pipelines ($/MMBtu): Texas Eastern Transmission Corp.: West Louisiana zone: Index" in the issue

of Inside FERC that reports prices effective on that Pricing Date.



18A-180




Contract Period

18A-181

Rule 18.A.088 TGT Zone 1 Index Future




Contract Symbol: TGI



Currency: USD






Reference Price A: NATURAL GAS-EAST TEXAS (TEXAS GAS ZONE 1)-GAS DAILY

a) Description: "NATURAL GAS-EAST TEXAS (TEXAS GAS ZONE 1)-GAS DAILY" means thatthe price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for deliveryon the Delivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey($/MMBtu): Louisiana/Southeast: Tx. Gas, zone 1: Midpoint" in the issue of Gas Daily that reportsprices effective on that Pricing Date.





Reference Price B: NATURAL GAS-TRANSCO (ZONE 1)-INSIDE FERC

a) Description: "NATURAL GAS-TRANSCO (ZONE 1)-INSIDE FERC" means that the price for aPricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot GasPrices ($/MMBtu): East Texas: Transco, zone 1: Index" in the issue of Inside FERC that reportsprices effective on that Pricing Date.




18A-182



Contract Period

18A-183

Rule 18.A.089 Transco Station 45 (Zone 2) Index Future




Contract Symbol: TNI



Currency: USD






Reference Price A: NATURAL GAS-LOUISIANA (TRANSCO ZONE 2)-GAS DAILY

a) Description: "NATURAL GAS-LOUISIANA (TRANSCO ZONE 2)-GAS DAILY" means that the


the Delivery Date, stated in U.S. Dollars, published under the heading "Daily price survey

($/MMBtu): Louisiana-Onshore South: Transco, zone 2: Midpoint" in the issue of Gas Daily that







a) Description: "NATURAL GAS-TRANSCO (ZONE 2)-INSIDE FERC" means that the price for a



Pipelines ($/MMBtu): Transcontinental Gas Pipe Line Corp.: Zone 2: Index" in the issue of Inside




18A-184




Contract Period

18A-185





Contract Symbol: SIA



Currency: USD







a) Description: "NATURAL GAS-LOUISIANA (TRANSCO ZONE 3)-GAS DAILY" means that theprice for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery onthe Delivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey($/MMBtu): Louisiana/Southeast: Transco, zone 3: Midpoint" in the issue of Gas Daily that reportsprices effective on that Pricing Date.










18A-186



Contract Period

18A-187





Contract Symbol: TRI



Currency: USD






Reference Price A: NATURAL GAS-MISS-ALA (TRANSCO ZONE 4)-GAS DAILY

a) Description: "NATURAL GAS-MISS-ALA (TRANSCO ZONE 4)-GAS DAILY" means that theprice for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery onthe Delivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey($/MMBtu): Louisiana/Southeast: Transco, zone 4: Midpoint" in the issue of Gas Daily that reportsprices effective on that Pricing Date.










18A-188



Contract Period

18A-189

Rule 18.A.092 Transco Zone 6 (non NY) Index Future




Contract Symbol: TPI



Currency: USD






Reference Price A: NATURAL GAS-CITYGATES (TRANSCO ZONE 6 NON-NY)-GAS DAILY

a) Description: "NATURAL GAS-CITYGATES (TRANSCO ZONE 6 NON-NY)-GAS DAILY"means that the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gasfor delivery on the Delivery Date, stated in U.S. Dollars, published under the heading “Daily PriceSurvey ($/MMBtu): Northeast: Transco, zone 6 non-N.Y.: Midpoint" in the issue of Gas Daily thatreports prices effective on that Pricing Date.





Reference Price B: NATURAL GAS-NORTHEAST (TRANSCO ZONE 6 NON-N.Y.)-INSIDE FERC

a) Description: "NATURAL GAS-NORTHEAST (TRANSCO ZONE 6 NON-N.Y.)-INSIDE FERC"means that the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gasfor delivery on the Delivery Date, stated in U.S. Dollars, published under the heading “MonthlyBidweek Spot Gas Prices ($/MMBtu): Northeast: Transco, zone 6 non-N.Y.: Index" in the issue ofInside FERC that reports prices effective on that Pricing Date.




18A-190



Contract Period

18A-191

Rule 18.A.093 Transco Zone 6 (NY) Index Future




Contract Symbol: NSI



Currency: USD






Reference Price A: NATURAL GAS-CITYGATES (TRANSCO ZONE 6 NY)-GAS DAILY

a) Description: "NATURAL GAS-CITYGATES (TRANSCO ZONE 6 NY)-GAS DAILY" means thatthe price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for deliveryon the Delivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey($/MMBtu): Northeast: Transco, zone 6 N.Y.: Midpoint" in the issue of Gas Daily that reports priceseffective on that Pricing Date.





Reference Price B: NATURAL GAS-NORTHEAST (TRANSCO ZONE 6 N.Y.)-INSIDE FERC

a) Description: "NATURAL GAS-NORTHEAST (TRANSCO ZONE 6 N.Y.)-INSIDE FERC" meansthat the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas fordelivery on the Delivery Date, stated in U.S. Dollars, published under the heading “Monthly BidweekSpot Gas Prices ($/MMBtu): Northeast: Transco, zone 6 N.Y.: Index" in the issue of Inside FERCthat reports prices effective on that Pricing Date.




18A-192



Contract Period

18A-193

Rule 18.A.094 Waha Index Future




Contract Symbol: WAI



Currency: USD






Reference Price A: NATURAL GAS-PERMIAN BASIN (WAHA)-GAS DAILY

a) Description: "NATURAL GAS-PERMIAN BASIN (WAHA)-GAS DAILY" means that the pricefor a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey ($/MMBtu):Southwest: Waha: Midpoint" in the issue of Gas Daily that reports prices effective on that PricingDate.





Reference Price B: NATURAL GAS-W. TEXAS (WAHA)-INSIDE FERC

a) Description: "NATURAL GAS-W. TEXAS (WAHA)-INSIDE FERC" means that the price for aPricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot GasPrices ($/MMBtu): Southwest: Waha: Index" in the issue of Inside FERC that reports prices effectiveon that Pricing Date.




18A-194



Contract Period

18A-195

Rule 18.A.095 AB NIT Swing Future

Contract Description: A daily cash settled Exchange Futures Contract based upon the daily price published by

Canadian Gas Price Reporter for the location specified in Reference Price A.

Contract Symbol: ASS



Currency: USD



Listing Cycle: Up to 65 consecutive daily Contract Periods, or as otherwise determined by the Exchange.

Last Trading Day: The Business Day prior to the Contract Period

Final Settlement: Reference Price A

Reference Price A: NATURAL GAS-NGX AB-NIT DAY AHEAD (US$/MMBTU)-CANADIAN GAS PRICE

REPORTER

a) Description: "NATURAL GAS-NGX AB-NIT DAY AHEAD (US$/MMBTU)-CANADIAN GAS

PRICE REPORTER" means that the price for a Pricing Date will be that day's Specified Price per

MMBTU of natural gas for delivery on the Delivery Date, stated in U.S. Dollars, published under the

heading "NGX AB-NIT Day Ahead Index: Avg. Price US$/MMBtu" in the issue of Canadian Gas

Price Reporter that reports prices effective for that Pricing Date.





Final Payment Date: The Clearing Organization business day following the second Canadian business day


18A-196

Rule 18.A.096 Algonquin Citygates Swing Future


Gas Daily for the location specified in Reference Price A.

Contract Symbol: ALS



Currency: USD






Reference Price A: NATURAL GAS-CITYGATES (ALGONQUIN)-GAS DAILY

a) Description: "NATURAL GAS-CITYGATES (ALGONQUIN)-GAS DAILY" means that the pricefor a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey ($/MMBtu):Northeast: Algonquin, city-gates: Midpoint" in the issue of Gas Daily that reports prices effective onthat Pricing Date.






18A-197

Rule 18.A.097 ANR SE (Louisiana) Swing Future



Contract Symbol: APS



Currency: USD






Reference Price A: NATURAL GAS-LOUISIANA (ANR)-GAS DAILY

a) Description: "NATURAL GAS-LOUISIANA (ANR)-GAS DAILY" means that the price for aPricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey ($/MMBtu):Louisiana/Southeast: ANR, La.: Midpoint" in the issue of Gas Daily that reports prices effective onthat Pricing Date.






18A-198

Rule 18.A.098 ANR SW (Oklahoma) Swing Future



Contract Symbol: AOS



Currency: USD






Reference Price A: NATURAL GAS-OKLAHOMA (ANR)-GAS DAILY

a) Description: "NATURAL GAS-OKLAHOMA (ANR)-GAS DAILY" means that the price for aPricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey ($/MMBtu):Midcontinent: ANR, Okla.: Midpoint" in the issue of Gas Daily that reports prices effective on thatPricing Date.






18A-199

Rule 18.A.099 Enable Gas Swing Future



Contract Symbol: CTS



Currency: USD






Reference Price A: NATURAL GAS-OKLAHOMA (ENABLE GAS EAST)-GAS DAILY

a) Description: "NATURAL GAS-OKLAHOMA (ENABLE GAS EAST)-GAS DAILY" means thatthe price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for deliveryon the Delivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey($/MMBtu): Midcontinent: Enable Gas, East: Midpoint" in the issue of Gas Daily that reports priceseffective on that Pricing Date.






18A-200

Rule 18.A.100 CG-Mainline Swing Future



Contract Symbol: CGR



Currency: USD






Reference Price A: NATURAL GAS-LOUISIANA (COLUMBIA GULF MAINLINE)-GAS DAILY

a) Description: "NATURAL GAS-LOUISIANA (COLUMBIA GULF MAINLINE)-GAS DAILY"means that the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gasfor delivery on the Delivery Date, stated in U.S. Dollars, published under the heading “Daily PriceSurvey ($/MMBtu): Louisiana/Southeast: Columbia Gulf, mainline: Midpoint" in the issue of GasDaily that reports prices effective on that Pricing Date.






18A-201

Rule 18.A.101 Chicago Swing Future



Contract Symbol: CSS



Currency: USD






Reference Price A: NATURAL GAS-CITYGATES (CHICAGO)-GAS DAILY

a) Description: "NATURAL GAS-CITYGATES (CHICAGO)-GAS DAILY" means that the price fora Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey ($/MMBtu):Upper Midwest: Chicago city-gates: Midpoint" in the issue of Gas Daily that reports prices effectiveon that Pricing Date.






18A-202

Rule 18.A.102 CIG Rockies Swing Future



Contract Symbol: CRS



Currency: USD






Reference Price A: NATURAL GAS-ROCKIES (CIG ROCKY MOUNTAINS)-GAS DAILY

a) Description: "NATURAL GAS-ROCKIES (CIG ROCKY MOUNTAINS)-GAS DAILY" meansthat the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas fordelivery on the Delivery Date, stated in U.S. Dollars, published under the heading “Daily PriceSurvey ($/MMBtu): Rockies/Northwest: CIG, Rockies: Midpoint " in the issue of Gas Daily thatreports prices effective on that Pricing Date.






18A-203

Rule 18.A.103 Dominion South Swing Future



Contract Symbol: DSS



Currency: USD






Reference Price A: NATURAL GAS-APPALACHIA (DOMINION SOUTH POINT)-GAS DAILY

a) Description: "NATURAL GAS-APPALACHIA (DOMINION SOUTH POINT)-GAS DAILY"


for delivery on the Delivery Date, stated in U.S. Dollars, published under the heading "Daily price

survey ($/MMBtu): Appalachia: Dominion, South Point: Midpoint" in the issue of Gas Daily that







18A-204

Rule 18.A.104 EP Permian Swing Future



Contract Symbol: PES



Currency: USD






Reference Price A: NATURAL GAS-PERMIAN BASIN (EL PASO)-GAS DAILY

a) Description: "NATURAL GAS-PERMIAN BASIN (EL PASO)-GAS DAILY" means that the pricefor a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey ($/MMBtu):Southwest: El Paso, Permian: Midpoint" in the issue of Gas Daily that reports prices effective on thatPricing Date.






18A-205

Rule 18.A.105 EP San Juan Swing Future



Contract Symbol: SNS



Currency: USD






Reference Price A: NATURAL GAS-NEW MEXICO (EL PASO, SAN JUAN)-GAS DAILY

a) Description: "NATURAL GAS-NEW MEXICO (EL PASO SAN JUAN)-GAS DAILY" means thatthe price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for deliveryon the Delivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey($/MMBtu): Southwest: El Paso, San Juan: Midpoint " in the issue of Gas Daily that reports priceseffective on that Pricing Date.






18A-206

Rule 18.A.106 Florida Gas Zone 3 Swing Future



Contract Symbol: FTS



Currency: USD






Reference Price A: NATURAL GAS-LOUISIANA (FLORIDA GAS ZONE 3)-GAS DAILY

a) Description: "NATURAL GAS-LOUISIANA (FLORIDA GAS ZONE 3)-GAS DAILY" means that

the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery

on the Delivery Date, stated in U.S. Dollars, published under the heading "Daily price survey

($/MMBtu): Louisiana/Southeast: Florida Gas, zone 3: Midpoint" in the issue of Gas Daily that







18A-207

Rule 18.A.107 Henry Swing Future



Contract Symbol: HHD



Currency: USD






Reference Price A: NATURAL GAS-LOUISIANA (HENRY HUB)-GAS DAILY

a) Description: "NATURAL GAS-LOUISIANA (HENRY HUB)-GAS DAILY" means that the price


Delivery Date, stated in U.S. Dollars, published under the heading "Daily price survey ($/MMBtu):

Louisiana/Southeast: Henry Hub: Midpoint" in the issue of Gas Daily that reports prices effective on

that Pricing Date.






18A-208

Rule 18.A.108 HSC Swing Future



Contract Symbol: UCS



Currency: USD






Reference Price A: NATURAL GAS-E. HOUSTON-KATY (HOUSTON SHIP CHANNEL)-GAS DAILY

a) Description: "NATURAL GAS-E. HOUSTON-KATY (HOUSTON SHIP CHANNEL)-GASDAILY" means that the price for a Pricing Date will be that day's Specified Price per MMBTU ofnatural gas for delivery on the Delivery Date, stated in U.S. Dollars, published under the heading“Daily Price Survey ($/MMBtu): East Texas: Houston Ship Channel: Midpoint " in the issue of GasDaily that reports prices effective on that Pricing Date.






18A-209

Rule 18.A.109 Lebanon Swing Future



Contract Symbol: LBN



Currency: USD






Reference Price A: NATURAL GAS-APPALACHIA (LEBANON HUB)-GAS DAILY

a) Description: "NATURAL GAS-APPALACHIA (LEBANON HUB)-GAS DAILY" means that the



($/MMBtu): Appalachia: Lebanon Hub: Midpoint" in the issue of Gas Daily that reports prices







18A-210

Rule 18.A.110 Malin Swing Future



Contract Symbol: MSS



Currency: USD






Reference Price A: NATURAL GAS-OTHERS (PG&E MALIN)-GAS DAILY

a) Description: "NATURAL GAS-OTHERS (PG&E MALIN)-GAS DAILY" means that the price for



Rockies/Northwest: PG&E, Malin: Midpoint" in the issue of Gas Daily that reports prices effective

on that Pricing Date.






18A-211

Rule 18.A.111 Michcon Swing Future



Contract Symbol: NMS



Currency: USD






Reference Price A: NATURAL GAS-CITYGATES (MICH CON)-GAS DAILY

a) Description: "NATURAL GAS-CITYGATES (MICH CON)-GAS DAILY" means that the price fora Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey ($/MMBtu):Upper Midwest: Mich Con city-gate: Midpoint " in the issue of Gas Daily that reports prices effectiveon that Pricing Date.






18A-212

Rule 18.A.112 NGPL Midcont Swing Future



Contract Symbol: MTS



Currency: USD






Reference Price A: NATURAL GAS-OKLAHOMA (NGPL)-GAS DAILY

a) Description: "NATURAL GAS-OKLAHOMA (NGPL)-GAS DAILY" means that the price for aPricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey ($/MMBtu):Midcontinent: NGPL, Midcontinent: Midpoint" in the issue of Gas Daily that reports prices effectiveon that Pricing Date.






18A-213

Rule 18.A.113 NGPL STX Swing Future



Contract Symbol: NXS



Currency: USD






Reference Price A: NATURAL GAS-SOUTH-CORPUS CHRISTI (NGPL STX)-GAS DAILY

a) Description: "NATURAL GAS-SOUTH-CORPUS CHRISTI (NGPL STX)-GAS DAILY" means



($/MMBtu): South-Corpus Christi: NGPL, STX: Midpoint" in the issue of Gas Daily that reports







18A-214

Rule 18.A.114 NGPL TXOK Swing Future



Contract Symbol: NTS



Currency: USD






Reference Price A: NATURAL GAS-EAST TEXAS (NGPL TEXOK)-GAS DAILY

a) Description: "NATURAL GAS-EAST TEXAS (NGPL TEXOK)-GAS DAILY" means that theprice for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery onthe Delivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey($/MMBtu): East Texas: NGPL, Texok zone: Midpoint" in the issue of Gas Daily that reports priceseffective on that Pricing Date.






18A-215

Rule 18.A.115 NNG Demarc Swing Future



Contract Symbol: DES



Currency: USD






Reference Price A: NATURAL GAS-OTHERS (DEMARCATION)-GAS DAILY

a) Description: "NATURAL GAS-OTHERS (DEMARCATION)-GAS DAILY" means that the pricefor a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey ($/MMBtu):Upper Midwest: Northern, demarc: Midpoint" in the issue of Gas Daily that reports prices effectiveon that Pricing Date.






18A-216

Rule 18.A.116 NNG Ventura Swing Future



Contract Symbol: NNS



Currency: USD






Reference Price A: NATURAL GAS-OTHERS (VENTURA)-GAS DAILY

a) Description: "NATURAL GAS-OTHERS (VENTURA)-GAS DAILY" means that the price for aPricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey ($/MMBtu):Upper Midwest: Northern, Ventura: Midpoint" in the issue of Gas Daily that reports prices effectiveon that Pricing Date.






18A-217

Rule 18.A.117 NWP Rockies Swing Future



Contract Symbol: RSS



Currency: USD






Reference Price A: NATURAL GAS-ROCKIES (KERN RIVER OPAL PLANT)-GAS DAILY

a) Description: "NATURAL GAS-ROCKIES (KERN RIVER OPAL PLANT)-GAS DAILY" means


delivery on the Delivery Date, stated in U.S. Dollars, published under the heading “Daily Price

Survey ($/MMBtu): Rockies/Northwest: Kern River, Opal: Midpoint" in the issue of Gas Daily that







18A-218

Rule 18.A.118 NWP Sumas Swing Future



Contract Symbol: NSS



Currency: USD






Reference Price A: NATURAL GAS-CANADIAN GAS (NORTHWEST SUMAS)-GAS DAILY

a) Description: "NATURAL GAS-CANADIAN GAS (NORTHWEST SUMAS)-GAS DAILY" meansthat the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas fordelivery on the Delivery Date, stated in U.S. Dollars, published under the heading “Daily PriceSurvey ($/MMBtu): Rockies/Northwest: NW, Can. bdr. (Sumas): Midpoint" in the issue of Gas Dailythat reports prices effective on that Pricing Date.






18A-219

Rule 18.A.119 ONEOK Gas Swing Future



Contract Symbol: ONS



Currency: USD






Reference Price A: NATURAL GAS-OKLAHOMA (ONEOK OKLA)-GAS DAILY

a) Description: "NATURAL GAS-OKLAHOMA (ONEOK OKLA)-GAS DAILY" means that theprice for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery onthe Delivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey($/MMBtu): Midcontinent: Oneok, Okla.: Midpoint" in the issue of Gas Daily that reports priceseffective on that Pricing Date.






18A-220

Rule 18.A.120 Panhandle Swing Future



Contract Symbol: PSS



Currency: USD






Reference Price A: NATURAL GAS-OKLAHOMA (PANHANDLE)-GAS DAILY

a) Description: "NATURAL GAS-OKLAHOMA (PANHANDLE)-GAS DAILY" means that the pricefor a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey ($/MMBtu):Midcontinent: Panhandle, Tx.-Okla.: Midpoint" in the issue of Gas Daily that reports prices effectiveon that Pricing Date.






18A-221

Rule 18.A.121 PG&E Citygate Swing Future



Contract Symbol: PIG



Currency: USD






Reference Price A: NATURAL GAS-CITYGATES (PG&E)-GAS DAILY

a) Description: "NATURAL GAS-CITYGATES (PG&E)-GAS DAILY" means that the price for aPricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey ($/MMBtu):Southwest: PG&E city-gate: Midpoint" in the issue of Gas Daily that reports prices effective on thatPricing Date.






18A-222

Rule 18.A.122 Socal Border Swing Future



Contract Symbol: SSS



Currency: USD






Reference Price A: NATURAL GAS-OTHERS (SOCAL GAS)-GAS DAILY

a) Description: "NATURAL GAS-OTHERS (SOCAL GAS)-GAS DAILY" means that the price for aPricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey ($/MMBtu):Southwest: SoCal Gas: Midpoint" in the issue of Gas Daily that reports prices effective on thatPricing Date.






18A-223

Rule 18.A.123 Socal Citygate Swing Future



Contract Symbol: SCS



Currency: USD






Reference Price A: NATURAL GAS-CITYGATES (SOCAL)-GAS DAILY

a) Description: "NATURAL GAS-CITYGATES (SOCAL)-GAS DAILY" means that the price for aPricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey ($/MMBtu):Southwest: SoCal Gas, city-gate: Midpoint" in the issue of Gas Daily that reports prices effective onthat Pricing Date.






18A-224

Rule 18.A.124 Sonat Swing Future



Contract Symbol: SOS



Currency: USD






Reference Price A: NATURAL GAS-LOUISIANA (SOUTHERN NATURAL)-GAS DAILY

a) Description: "NATURAL GAS-LOUISIANA (SOUTHERN NATURAL)-GAS DAILY" meansthat the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas fordelivery on the Delivery Date, stated in U.S. Dollars, published under the heading “Daily PriceSurvey ($/MMBtu): Louisiana/Southeast: Southern Natural, La.: Midpoint" in the issue of Gas Dailythat reports prices effective on that Pricing Date.






18A-225

Rule 18.A.125 Southern Star TX OK KS Swing Future



Contract Symbol: OUS



Currency: USD






Reference Price A: NATURAL GAS-OKLAHOMA (SOUTHERN STAR)-GAS DAILY

a) Description: "NATURAL GAS-OKLAHOMA (SOUTHERN STAR)-GAS DAILY" means that theprice for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery onthe Delivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey($/MMBtu): Midcontinent: Southern Star: Midpoint" in the issue of Gas Daily that reports priceseffective on that Pricing Date.






18A-226

Rule 18.A.126 TCO Swing Future



Contract Symbol: CGS



Currency: USD






Reference Price A: NATURAL GAS-APPALACHIA (COLUMBIA GAS)-GAS DAILY

a) Description: "NATURAL GAS-APPALACHIA (COLUMBIA GAS)-GAS DAILY" means that the



($/MMBtu): Appalachia: Columbia Gas, App.: Midpoint" in the issue of Gas Daily that reports prices







18A-227

Rule 18.A.127 Tennessee-Zone 0 Swing Future



Contract Symbol: TZR



Currency: USD






Reference Price A: NATURAL GAS-SOUTH-CORPUS CHRISTI (TENNESSEE ZONE 0)-GAS DAILY

a) Description: "NATURAL GAS-SOUTH-CORPUS CHRISTI (TENNESSEE ZONE 0)-GASDAILY" means that the price for a Pricing Date will be that day's Specified Price per MMBTU ofnatural gas for delivery on the Delivery Date, stated in U.S. Dollars, published under the heading“Daily Price Survey ($/MMBtu): East Texas: Tennessee, zone 0: Midpoint" in the issue of Gas Dailythat reports prices effective on that Pricing Date.






18A-228

Rule 18.A.128 TETCO M3 Swing Future



Contract Symbol: TSS



Currency: USD






Reference Price A: NATURAL GAS-CITYGATES (TEXAS EASTERN ZONE M-3)-GAS DAILY

a) Description: "NATURAL GAS-CITYGATES (TEXAS EASTERN ZONE M-3)-GAS DAILY"means that the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gasfor delivery on the Delivery Date, stated in U.S. Dollars, published under the heading “Daily PriceSurvey ($/MMBtu): Northeast: Tx. Eastern, M-3: Midpoint" in the issue of Gas Daily that reportsprices effective on that Pricing Date.






18A-229

Rule 18.A.129 TETCO STX Swing Future



Contract Symbol: SXC



Currency: USD






Reference Price A: NATURAL GAS-SOUTH-CORPUS CHRISTI (TEXAS EASTERN STX)-GAS DAILY

a) Description: "NATURAL GAS-SOUTH-CORPUS CHRISTI (TEXAS EASTERN STX)-GASDAILY" means that the price for a Pricing Date will be that day's Specified Price per MMBTU ofnatural gas for delivery on the Delivery Date, stated in U.S. Dollars, published under the heading“Daily Price Survey ($/MMBtu): East Texas: Tx. Eastern, STX: Midpoint" in the issue of Gas Dailythat reports prices effective on that Pricing Date.






18A-230

Rule 18.A.130 TGT Zone 1 Swing Future



Contract Symbol: TGS



Currency: USD






Reference Price A: NATURAL GAS-EAST TEXAS (TEXAS GAS ZONE 1)-GAS DAILY

a) Description: "NATURAL GAS-EAST TEXAS (TEXAS GAS ZONE 1)-GAS DAILY" means that

the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery

on the Delivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey

($/MMBtu): Louisiana/Southeast: Tx. Gas, zone 1: Midpoint" in the issue of Gas Daily that reports







18A-231

Rule 18.A.131 Transco Station 65 (Zone 3) Swing Future



Contract Symbol: SSA



Currency: USD







a) Description: "NATURAL GAS-LOUISIANA (TRANSCO ZONE 3)-GAS DAILY" means that the



($/MMBtu): Louisiana-Onshore South: Transco, zone 3: Midpoint" in the issue of Gas Daily that







18A-232

Rule 18.A.132 Transco Station 85 (Zone 4) Swing Future



Contract Symbol: TRW



Currency: USD






Reference Price A: NATURAL GAS-MISS-ALA (TRANSCO ZONE 4)-GAS DAILY

a) Description: "NATURAL GAS-MISS-ALA (TRANSCO ZONE 4)-GAS DAILY" means that theprice for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery onthe Delivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey($/MMBtu): Louisiana/Southeast: Transco, zone 4: Midpoint" in the issue of Gas Daily that reportsprices effective on that Pricing Date.






18A-233

Rule 18.A.133 Transco Zone 6 (non NY) Swing Future



Contract Symbol: TPS



Currency: USD






Reference Price A: NATURAL GAS-CITYGATES (TRANSCO ZONE 6 NON-NY)-GAS DAILY

a) Description: "NATURAL GAS-CITYGATES (TRANSCO ZONE 6 NON-NY)-GAS DAILY"


for delivery on the Delivery Date, stated in U.S. Dollars, published under the heading “Daily Price

Survey ($/MMBtu): Northeast: Transco, zone 6 non-N.Y.: Midpoint" in the issue of Gas Daily that







18A-234

Rule 18.A.134 Transco Zone 6 (NY) Swing Future



Contract Symbol: ZSS



Currency: USD






Reference Price A: NATURAL GAS-CITYGATES (TRANSCO ZONE 6 NY)-GAS DAILY

a) Description: "NATURAL GAS-CITYGATES (TRANSCO ZONE 6 NY)-GAS DAILY" means thatthe price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for deliveryon the Delivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey($/MMBtu): Northeast: Transco, zone 6 N.Y.: Midpoint" in the issue of Gas Daily that reports priceseffective on that Pricing Date.






18A-235

Rule 18.A.135 Waha Swing Future



Contract Symbol: WAS



Currency: USD






Reference Price A: NATURAL GAS-PERMIAN BASIN (WAHA)-GAS DAILY

a) Description: "NATURAL GAS-PERMIAN BASIN (WAHA)-GAS DAILY" means that the pricefor a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey ($/MMBtu):Southwest: Waha: Midpoint" in the issue of Gas Daily that reports prices effective on that PricingDate.






18A-236

Rule 18.A.136 AB NIT NGX Same Day 5a Fixed Price Future

Contract Description: A monthly cash settled Exchange Futures Contract based upon the monthly price

published by Canadian Gas Price Reporter for the location specified in Reference Price A.

Contract Symbol: NGA


Contract Size: 2500 GJ

Currency: CAD


GJ; minimum price fluctuation may vary by trade type. Please see Table in Resolution 1 to this Chapter 18.




Reference Price A: NATURAL GAS-NGX AB-NIT SAME DAY INDEX 5A (C$/GJ)-CANADIAN GAS

PRICE REPORTER

a) Description: “NATURAL GAS-NGX AB-NIT SAME DAY INDEX 5A (C$/GJ)-CANADIAN

GAS PRICE REPORTER” means that the price for a Pricing Date will be that day's Specified Price

per GJ of natural gas for delivery on the Delivery Date, stated in Canadian Dollars, published under

the heading "Monthly Canadian and U.S. natural gas price summary: Alberta Daily Spot Price

Averages (7A2): NGX AB-NIT Same Day Index (5A) C$/GJ"in the issue of Canadian Gas Price

Reporterthat reports prices effective for that Pricing Date.





Final Payment Date: The first Clearing Organization business day following the first Canadian business day


18A-237

Rule 18.A.137 EP San Juan Fixed Price Future


published by Inside FERC for the location specified in Reference Price A.

Contract Symbol: OPU



Currency: USD






Reference Price A: NATURAL GAS-EL PASO (SAN JUAN BASIN)-INSIDE FERC

a) Description: "NATURAL GAS-EL PASO (SAN JUAN BASIN)-INSIDE FERC" means that the


the Delivery Date, stated in U.S. Dollars, published under the heading "Prices of spot gas delivered to

pipelines ($/MMBtu): El Paso Natural Gas Co.: San Juan Basin: Index" in the issue of Inside FERC







18A-238

Rule 18.A.138 Henry Calendar Year One Time Fixed Price Future


published by NYMEX for the location specified in Reference Price A.

Contract Symbol: HHC



Currency: USD




Last Trading Day: Three Business Days prior to the first calendar day of the Contract Period


Reference Price A: NATURAL GAS-NYMEX


Specified Price per MMBTU of natural gas on the NYMEX of the Henry Hub Natural Gas Futures


Date.






Final Payment Date: The first Clearing Organization business day following the Last Trading Day

18A-239

Rule 18.A.139 Henry LD1 Fixed Price Future



Contract Symbol: H



Currency: USD

Minimum Price Fluctuation: The price quotation convention shall be One tenth of a cent ($0.001) per MMBtu;

minimum price fluctuation may vary by trade type. Please see Table in Resolution 1 to this Chapter 18.








Date.







18A-240

Rule 18.A.140 Henry LD1 Same Day Fixed Price Future

Contract Description: A daily cash settled Exchange Futures Contract based upon the monthly price published

by NYMEX for the location specified in Reference Price A.

Contract Symbol: SDH



Currency: USD



Listing Cycle: 6 consecutive Business Day Contract Periods, or as otherwise determined by the Exchange.

Last Trading Day: The Business Day equal to the the Contract Period






Date.

b) Pricing Date: Contract Period



e) Delivery Date: First Nearby Month


18A-241

Rule 18.A.141 Henry LD4 Fixed Price Future



Contract Symbol: QHH



Currency: USD




Last Trading Day: Six Business Days prior to the first calendar day of the Contract Period






Date.

b) Pricing Date: Three Business Days prior to the last scheduled trading day of the NYMEX Henry

Hub Natural Gas Futures Contract for the Delivery Date





18A-242

Rule 18.A.142 Henry Penultimate Fixed Price Future



Contract Symbol: PHH



Currency: USD




Last Trading Day: Four Business Days prior to the first calendar day of the Contract Period






Date.

b) Pricing Date: One Business Day prior to the last scheduled trading day of the NYMEX Henry Hub

Natural Gas Futures Contract for the Delivery Date





18A-243

Rule 18.A.143 Panhandle Fixed Price Future


published by Inside FERC for the location specified in Reference Price A.

Contract Symbol: OPP



Currency: USD






Reference Price A: NATURAL GAS-PEPL (TEXOK MAINLINE)-INSIDE FERC

a) Description: "NATURAL GAS-PEPL (TEXOK MAINLINE)-INSIDE FERC" means that the price



Pipelines ($/MMBtu): Panhandle Eastern Pipe Line Co.: Texas, Oklahoma (mainline): Index" in the

issue of Inside FERC that reports prices effective on that Pricing Date.






18A-244

Rule 18.A.144 Socal Fixed Price Future


published by NGI for the location specified in Reference Price A.

Contract Symbol: OPS



Currency: USD






Reference Price A: NATURAL GAS-CALIFORNIA (SOUTHERN CALIFORNIA BDR. AVG.)-NGI











18A-245

Rule 18.A.145 Henry Penultimate 1-Month Calendar Spread Future


subtracting the monthly price published by NYMEX for the Second Nearby Month, as specified in Reference

Price B, from the monthly price published by NYMEX for the First Nearby Month, as specified in Reference

Price A.

Contract Symbol: HHM



Currency: USD










Date.










Date.


Natural Gas Futures Contract for the Contract Period

18A-246



e) Delivery Date: Second Nearby Month


18A-247



subtracting the monthly price published by NYMEX for the Fourth Nearby Month, as specified in Reference Price

B, from the monthly price published by NYMEX for the First Nearby Month, as specified in Reference Price A.

Contract Symbol: HMT



Currency: USD










Date.










Date.




18A-248


e) Delivery Date: Fourth Nearby Month


18A-249



subtracting the monthly price published by NYMEX for the Seventh Nearby Month, as specified in Reference

Price B, from the monthly price published by NYMEX for the First Nearby Month, as specified in Reference

Price A.

Contract Symbol: HMX



Currency: USD










Date.










Date.



18A-250



e) Delivery Date: Seventh Nearby Month


18.A.148 Iroquois (Into) Basis (Platts) Future

Contract Description:

A monthly cash settled Exchange Futures Contract based upon the mathematical result of subtracting the price ofthe NYMEX Henry Hub Natural Gas Futures Contract, as defined in Reference Price B, from the monthly pricepublished by Inside FERC for the location specified in Reference Price A.

Contract Symbol: IRB



Currency: USD

Minimum Price Fluctuation: The price quotation convention shall be One hundredth of a cent ($0.0001) perMMBtu; minimum price fluctuation may vary by trade type. Please see Table in Resolution 1 to this Chapter 18.




Reference Price A: NATURAL GAS-NORTHEAST-(IROQUOIS, RECEIPTS)-INSIDE FERC

a) Description: "NATURAL GAS-NORTHEAST-(IROQUOIS, RECEIPTS)-INSIDE FERC meansthat the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas fordelivery on the Delivery Date, stated in U.S. Dollars, published under the heading “Monthly BidweekSpot Gas Prices ($/MMBtu): Northeast: Iroquois, receipts: Index" in the issue of Inside FERC thatreports prices effective on that Pricing Date.




e) Delivery Date: Contract period


a) Description: "NATURAL GAS-NYMEX" means that the price for a Pricing Date will be that day'sSpecified Price per MMBtu of natural gas on the NYMEX of the Henry Hub Natural Gas FuturesContract for the Delivery Date, stated in U.S. Dollars, as made public by the NYMEX on that PricingDate.

b) Pricing Date: Last scheduled trading day of the NYMEX Henry Hub Natural Gas Futures Contract forthe Delivery Date





18.A.149 Iroquois-Z2 Basis (Platts) Future

Contract Description:

A monthly cash settled Exchange Futures Contract based upon the mathematical result of subtracting the price ofthe NYMEX Henry Hub Natural Gas Futures Contract, as defined in Reference Price B, from the monthly pricepublished by Inside FERC for the location specified in Reference Price A.

Contract Symbol: IZB



Currency: USD

Minimum Price Fluctuation: The price quotation convention shall be One hundredth of a cent ($0.0001) perMMBtu; minimum price fluctuation may vary by trade type. Please see Table in Resolution 1 to this Chapter 18..




Reference Price A: NATURAL GAS-NORTHEAST (IROQUOIS, ZONE 2)-INSIDE FERC

a) Description: "NATURAL GAS-NORTHEAST (IROQUOIS, ZONE 2)-INSIDE FERC means thatthe price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for deliveryon the Delivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek SpotGas Prices ($/MMBtu): Northeast: Iroquois, zone 2: Index" in the issue of Inside FERC that reportsprices effective on that Pricing Date.












18.A.150 Reserved

18.A.151 Iroquois (Into) Swing (Platts) Future

Contract Description: A daily cash settled Exchange Futures Contract based upon the daily price published byGas Daily for the location specified in Reference Price A.

Contract Symbol: IRS



Currency: USD

Minimum Price Fluctuation: The price quotation convention shall be One hundredth of a cent ($0.0001) perMMBtu; Minimum Price Fluctuation may vary by trade type. Please see Table A in Resolution 1 to this Chapter18.




Reference Price A: NATURAL GAS-CANADIAN GAS (IROQUOIS, RECEIPTS)-GAS DAILY

a) Description: "NATURAL GAS-CANADIAN GAS (IROQUOIS, RECEIPTS)-GAS DAILY" meansthat the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for deliveryon the Delivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey($/MMBtu): Northeast: Iroquois, receipts: Midpoint" in the issue of Gas Daily that reports prices effectiveon that Pricing Date.






18.A.152 Iroquois-Z2 Swing (Platts) Future

Contract Description: A daily cash settled Exchange Futures Contract based upon the daily price published byGas Daily for the location specified in Reference Price A.

Contract Symbol: IZS



Currency: USD





Reference Price A: NATURAL GAS-CITYGATES (IROQUOIS, ZONE 2)-GAS DAILY

a) Description: "NATURAL GAS-CITYGATES (IROQUOIS, ZONE 2)-GAS DAILY" means that theprice for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey ($/MMBtu):Northeast: Iroquois, zone 2: Midpoint" in the issue of Gas Daily that reports prices effective on thatPricing Date.






18.A.153 - Reserved

18.A.154 Iroquois (Into) Index (Platts) Future

Contract Description: A monthly cash settled Exchange Futures Contract based upon the mathematical result ofsubtracting the monthly price published by Inside FERC, as defined in Reference Price B, from the average of thedaily prices published by Gas Daily, as defined in Reference Price A.

Contract Symbol: IRI



Currency: USD





Reference Price A: NATURAL GAS-CANADIAN GAS (IROQUOIS, RECEIPTS)-GAS DAILY

a) Description: "NATURAL GAS-CANADIAN GAS (IROQUOIS, RECEIPTS)-GAS DAILY" meansthat the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for deliveryon the Delivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey($/MMBtu): Northeast: Iroquois, receipts: Midpoint" in the issue of Gas Daily that reports prices effectiveon that Pricing Date.





Reference Price B: NATURAL GAS-NORTHEAST-(IROQUOIS, RECEIPTS)-INSIDE FERC

a) Description: "NATURAL GAS-NORTHEAST-(IROQUOIS, RECEIPTS)-INSIDE FERC means thatthe price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery onthe Delivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot Gas Prices($/MMBtu): Northeast: Iroquois, receipts: Index" in the issue of Inside FERC that reports prices effectiveon that Pricing Date.





Final Payment Date: The third Clearing Organization business day following the last Business Day of theContract Period

18.A.155 Iroquois-Z2 Index (Platts) Future

Contract Description: A monthly cash settled Exchange Futures Contract based upon the mathematical result ofsubtracting the monthly price published by Inside FERC, as defined in Reference Price B, from the average of thedaily prices published by Gas Daily, as defined in Reference Price A.

Contract Symbol: IZI



Currency: USD





Reference Price A: NATURAL GAS-CITYGATES (IROQUOIS, ZONE 2)-GAS DAILY

a) Description: "NATURAL GAS-CITYGATES (IROQUOIS, ZONE 2)-GAS DAILY" means that theprice for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery onthe Delivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey($/MMBtu): Northeast: Iroquois, zone 2: Midpoint" in the issue of Gas Daily that reports priceseffective on that Pricing Date.

b) Pricing Date: Each date that prices are reported for the Delivery Date




Reference Price B: NATURAL GAS-NORTHEAST (IROQUOIS, ZONE 2)-INSIDE FERC

a) Description: "NATURAL GAS-NORTHEAST (IROQUOIS, ZONE 2)-INSIDE FERC means thatthe price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for deliveryon the Delivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek SpotGas Prices ($/MMBtu): Northeast: Iroquois, zone 2: Index" in the issue of Inside FERC that reportsprices effective on that Pricing Date.





Final Payment Date: The third Clearing Organization business day following the last Business Day of theContract Period

18.A.156 US EIA Financial Weekly Index

Contract Description: Cleared market for the change in 1 Billion Cubic Feet (BCF) of the Natural Gas FinancialWeekly Gas Storage Inventory Number as reported by U.S. Energy Information Administration (EIA) WeeklyNatural Gas Report

Contract Symbol: EII


Contract Size: $1,000

Currency: USD

Minimum Price Fluctuation: The price quotation convention shall be 1 BCF per $1,000; minimum pricefluctuation may vary by trade type. Please see table in Resolution 1 to this Chapter 18.

Listing Cycle: Up to 5 weeks of the EIA Weekly Gas Storage Inventory Number, or as otherwise determined bythe Exchange.

Last Trading Day: Trading shall cease at 10:28 am EPT the day of the EIA Storage Number.


Reference Price A: NATURAL GAS-WEEKLY NATURAL GAS STORAGE REPORT-U.S. ENERGYINFORMATION ADMINISTRATION

a) Description: "NATURAL GAS-WEEKLY NATURAL GAS STORAGE REPORT-U.S. ENERGY

INFORMATION ADMINISTRATION" shall mean that the price for a Pricing Date will be that day's

Specified Price of natural gas for the Delivery Date, stated in billion cubic feet (BCF), published on

the EIA website: http://ir.eia.gov/ngs/ngs.html.

b) Pricing Date: First publication date of the Contract Period.

c) Specified Price: The implied flow estimate, excluding reclassifications in BCF as estimated by theEIA using both a 12-month moving average of working gas volumes and the latest weekly data forthe previous week ending on Friday. The standard release time is 10:30 am EPT on Thursdays, withthe following exceptions listed on their website. http://ir.eia.gov/ngs/schedule.html

d) Pricing Calendar: EIA Weekly Natural Gas Report

e) Delivery Date: Week ending on the Friday prior to the Contract Period.

Final Payment Date: One Clearing House Business Day after the Last Trading Day

http://ir.eia.gov/ngs/ngs.html

http://ir.eia.gov/ngs/schedule.html

18.A.157 EIA End of Draw Index Future

Contract Description: Cleared market for the total working gas in underground storage for the lower 48 states,

in 1 Billion Cubic Feet (BCF) as reported by U.S. Energy Information Administration (EIA) Weekly Natural Gas

Report

Contract Symbol: EIR


Contract Size: $10

Currency: USD

Minimum Price Fluctuation: The price quotation convention shall be 1 BCF per $10; minimum price

fluctuation may vary by trade type. Please see Table in Resolution 1 to this Chapter 18.

Listing Cycle: The current natural gas withdrawal season, or as otherwise determined by the Exchange.

Last Trading Day: Trading shall cease at 10:28 am EPT on the second EIA Weekly Natural Gas Report in

April.


Reference Price A: NATURAL GAS-WEEKLY NATURAL GAS STORAGE REPORT-U.S. ENERGY

INFORMATION ADMINISTRATION

a) Description: "NATURAL GAS-WEEKLY NATURAL GAS STORAGE REPORT-U.S. ENERGYINFORMATION ADMINISTRATION" shall mean that the price for a Pricing Date will be that day'sSpecified Price of natural gas for the Delivery Date, stated in billion cubic feet (BCF), published on theEIA website: http://www.eia.gov/dnav/ng/ng_stor_wkly_s1_w.htm


c) Specified Price: The total working gas in storage for the lower 48 states, as estimated by the EIA usingboth a 12-month moving average of working gas volumes and the latest weekly data for the previousweek ending on Friday. The standard release time is 10:30 am EPT on Thursdays, with the followingexceptions listed on their website. http://ir.eia.gov/ngs/schedule.html

d) Pricing calendar: EIA Weekly Natural Gas Report

e) Delivery Date: Week ending on the Friday prior to the contract period


http://www.eia.gov/dnav/ng/ng_stor_wkly_s1_w.htm


18.A.158 EIA End of Storage Index Future

Contract Description: Cleared market for the total working gas in underground storage for the lower 48 states,

in 1 Billion Cubic Feet (BCF) as reported by U.S. Energy Information Administration (EIA) Weekly Natural Gas

Report

Contract Symbol: EIO


Contract Size: $10

Currency: USD

Minimum Price Fluctuation: The price quotation convention shall be 1 BCF per $10; minimum price

fluctuation may vary by trade type. Please see Table in Resolution 1 to this Chapter 18.

Listing Cycle: The current natural gas injection season, or as otherwise determined by the Exchange

Last Trading Day: Trading shall cease at 10:28 am EPT on the second EIA Weekly Natural Gas Report in

November


REFERENCE PRICE A: NATURAL GAS-WEEKLY NATURAL GAS STORAGE REPORT-U.S. ENERGY

INFORMATION ADMINISTRATION

a) Description: "NATURAL GAS-WEEKLY NATURAL GAS STORAGE REPORT-U.S. ENERGYINFORMATION ADMINISTRATION" shall mean that the price for a Pricing Date will be that day'sSpecified Price of natural gas for the Delivery Date, stated in billion cubic feet (BCF), published on theEIA website: http://www.eia.gov/dnav/ng/ng_stor_wkly_s1_w.htm


c) Specified Price: The total working gas in storage for the lower 48 states, as estimated by the EIA usingboth a 12-month moving average of working gas volumes and the latest weekly data for the previousweek ending on Friday. The standard release time is 10:30 am EPT on Thursdays, with the followingexceptions listed on their website. http://ir.eia.gov/ngs/schedule.html

d) Pricing calendar: EIA Weekly Natural Gas Report

e) Delivery Date: Week ending on the Friday prior to the contract period


http://www.eia.gov/dnav/ng/ng_stor_wkly_s1_w.htm


18.A.159 TETCO M2 Basis Future (Receipts)




Contract Symbol: BM2



Currency: USD



Listing Cycle: Up to 84 consecutive monthly Contract Periods, or as otherwise determined by the Exchange



REFERENCE PRICE A: NATURAL GAS-TEXAS EASTERN TRANSMISSION CORP. (M-2 RECEIPTS)-

INSIDE FERC

a) Description: "NATURAL GAS-TEXAS EASTERN TRANSMISSION CORP. (M-2 RECEIPTS)-INSIDE FERC” means that the price for a Pricing Date will be that day's Specified Price per MMBTU ofnatural gas for delivery on the Delivery Date, stated in U.S. Dollars, published under the heading“Monthly Bidweek Spot Gas Prices ($/MMBtu): Appalachia: Texas Eastern, M-2 receipts: Index" in theissue of Inside FERC that reports prices effective on that Pricing Date.



d) Pricing calendar: Inside FERC


REFERENCE PRICE B: NATURAL GAS-NYMEX







18.A.160 Tennessee Zone 6 200L Basis Future




Contract Symbol: TGL



Currency: USD




Last Trading Day: The last Business Day prior to the first calendar day of the Contract Period.


REFERENCE PRICE A: NATURAL GAS-NORTHEAST (TENNESSEE, ZONE 6 DELIVERED)-INSIDE

FERC

a) Description: "NATURAL GAS-NORTHEAST (TENNESSEE, ZONE 6 DELIVERED)-INSIDEFERC” means that the price for a Pricing Date will be that day's Specified Price per MMBTU of naturalgas for delivery on the Delivery Date, stated in U.S. Dollars, published under the heading “MonthlyBidweek Spot Gas Prices ($/MMBtu): Northeast: Tennessee, zone 6 del.: Index" in the issue of InsideFERC that reports prices effective on that Pricing Date.





REFERENCE PRICE B: NATURAL GAS-NYMEX







18.A.161 Transco Leidy Basis Future




Contract Symbol: YQB



Currency: USD






Reference Price A: NATURAL GAS-TRANSCONTINENTAL GAS PIPE LINE, LEIDY LINE RECEIPTS-

INSIDE FERC

a) Description: “NATURAL GAS-TRANSCONTINENTAL GAS PIPE LINE, LEIDY LINE RECEIPTS-INSIDE FERC” means that the price for a Pricing Date will be that day's Specified Price per MMBTU ofnatural gas for delivery on the Delivery Date, stated in U.S. Dollars, published under the heading“Monthly Bidweek Spot Gas Prices ($/MMBtu): Appalachia: Transco, Leidy Line receipts: Index" in theissue of Inside FERC that reports prices effective on that Pricing Date.









Date.

b) Pricing Date: Last scheduled trading day of the NYMEX Henry Hub Natural Gas Futures Contract for

the Delivery Date





18.A.162 Transco Leidy Swing Future



Contract Symbol: YQS



Currency: USD






Reference Price A: NATURAL GAS-APPALACHIA, TRANSCO, LEIDY LINE RECEIPTS-GAS DAILY

a) Description: “NATURAL GAS-APPALACHIA, TRANSCO, LEIDY LINE RECEIPTS-GAS DAILY "

means that the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for


($/MMBtu): Appalachia: Transco, Leidy Line receipts: Midpoint" in the issue of Gas Daily that reports




d) Pricing calendar: Gas Daily



18.A.163 Transco Leidy Index Future




Contract Symbol: YQI



Currency: USD






Reference Price A: NATURAL GAS-APPALACHIA, TRANSCO, LEIDY LINE RECEIPTS-GAS DAILY

a) Description: “NATURAL GAS-APPALACHIA, TRANSCO, LEIDY LINE RECEIPTS-GAS DAILY "means that the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas fordelivery on the Delivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey($/MMBtu): Appalachia: Transco, Leidy Line receipts: Midpoint" in the issue of Gas Daily that reportsprices effective on that Pricing Date.





Reference Price B: NATURAL GAS-TRANSCONTINENTAL GAS PIPE LINE, LEIDY LINE RECEIPTS-

INSIDE FERC

a) Description: “NATURAL GAS-TRANSCONTINENTAL GAS PIPE LINE, LEIDY LINE RECEIPTS-INSIDE FERC” means that the price for a Pricing Date will be that day's Specified Price per MMBTU ofnatural gas for delivery on the Delivery Date, stated in U.S. Dollars, published under the heading“Monthly Bidweek Spot Gas Prices ($/MMBtu): Appalachia: Transco, Leidy Line receipts: Index " in theissue of Inside FERC that reports prices effective on that Pricing Date.






18.A.164 Tennessee Zone 4 300L Basis Future




Contract Symbol: DMR



Currency: USD






Reference Price A: NATURAL GAS-TENNESSEE GAS PIPELINE CO., ZONE 4-300 LEG-INSIDE FERC

a) Description: "NATURAL GAS-TENNESSEE GAS PIPELINE CO., ZONE 4-300 LEG-INSIDEFERC” means that the price for a Pricing Date will be that day's Specified Price per MMBTU of naturalgas for delivery on the Delivery Date, stated in U.S. Dollars, published under the heading “MonthlyBidweek Spot Gas Prices ($/MMBtu): Appalachia: Tennessee, zone 4-300 leg: Index" in the issue ofInside FERC that reports prices effective on that Pricing Date.









Date.


the Delivery Date





18.A.165 Tennessee Zone 4 300L Swing Future



Contract Symbol: DMS



Currency: USD






Reference Price A: NATURAL GAS-APPALACHIA, TENNESSEE, ZONE 4-300 LEG-GAS DAILY

a) Description: “NATURAL GAS-APPALACHIA, TENNESSEE, ZONE 4-300 LEG-GAS DAILY "



($/MMBtu): Appalachia: Tennessee, zone 4-300 leg: Midpoint" in the issue of Gas Daily that reports







18.A.166 Tennessee Zone 4 300L Index Future




Contract Symbol: DMQ



Currency: USD






Reference Price A: NATURAL GAS-APPALACHIA, TENNESSEE, ZONE 4-300 LEG-GAS DAILY

a) Description: "NATURAL GAS-LOUISIANA (FLORIDA GAS ZONE 3)-GAS DAILY" means that theprice for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey ($/MMBtu):Appalachia: Tennessee, zone 4-300 leg: Midpoint" in the issue of Gas Daily that reports prices effectiveon that Pricing Date.

a) Pricing Date: Each day that prices are reported for the Delivery Date

b) Specified Price: Midpoint

c) Pricing calendar: Gas Daily

d) Delivery Date: Contract Period

Reference Price B: NATURAL GAS-TENNESSEE GAS PIPELINE CO., ZONE 4-300 LEG-INSIDE FERC

a) Description: "NATURAL GAS-TENNESSEE GAS PIPELINE CO., ZONE 4-300 LEG-INSIDEFERC” means that the price for a Pricing Date will be that day's Specified Price per MMBTU of naturalgas for delivery on the Delivery Date, stated in U.S. Dollars, published under the heading “MonthlyBidweek Spot Gas Prices ($/MMBtu): Appalachia: Tennessee, zone 4-300 leg: Index" in the issue ofInside FERC that reports prices effective on that Pricing Date.






18.A.167 Transco Zone 5 Basis Future




Contract Symbol: DKR



Currency: USD






Reference Price A: NATURAL GAS-TRANSCONTINENTAL GAS PIPE LINE, ZONE 5 DELIVERED-

INSIDE FERC

a) Description: “NATURAL GAS-TRANSCONTINENTAL GAS PIPE LINE, ZONE 5 DELIVERED-INSIDE FERC” means that the price for a Pricing Date will be that day's Specified Price per MMBTU ofnatural gas for delivery on the Delivery Date, stated in U.S. Dollars, published under the heading“Monthly Bidweek Spot Gas Prices ($/MMBtu): Northeast: Transco, zone 5 del.: Index" in the issue ofInside FERC that reports prices effective on that Pricing Date.












18.A.168 Transco Zone 5 Swing Future



Contract Symbol: DKS



Currency: USD






Reference Price A: NATURAL GAS-CITYGATES, TRANSCO, ZONE 5 DEL.-GAS DAILY

a) Description: “NATURAL GAS-CITYGATES, TRANSCO, ZONE 5 DEL.-GAS DAILY" means thatthe price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery onthe Delivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey ($/MMBtu):Northeast: Transco, zone 5 del.: Midpoint" in the issue of Gas Daily that reports prices effective on thatPricing Date.






18.A.169 Transco Zone 5 Index Future




Contract Symbol: DKT



Currency: USD






Reference Price A: NATURAL GAS-CITYGATES, TRANSCO, ZONE 5 DEL.-GAS DAILY

a) Description: “NATURAL GAS-CITYGATES, TRANSCO, ZONE 5 DEL.-GAS DAILY" means thatthe price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery onthe Delivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey ($/MMBtu):Northeast: Transco, zone 5 del.: Midpoint" in the issue of Gas Daily that reports prices effective on thatPricing Date.





Reference Price B: NATURAL GAS-TRANSCONTINENTAL GAS PIPE LINE, ZONE 5 DELIVERED-

INSIDE FERC

a) Description: “NATURAL GAS-TRANSCONTINENTAL GAS PIPE LINE, ZONE 5 DELIVERED-INSIDE FERC” means that the price for a Pricing Date will be that day's Specified Price per MMBTU ofnatural gas for delivery on the Delivery Date, stated in U.S. Dollars, published under the heading“Monthly Bidweek Spot Gas Prices ($/MMBtu): Northeast: Transco, zone 5 del.: Index" in the issue ofInside FERC that reports prices effective on that Pricing Date.






18.A.170 TETCO M2 Swing Future (Receipts)



Contract Symbol: BM3



Currency: USD






Reference Price A: NATURAL GAS-APPALACHIA (TEXAS EASTERN, M-2 RECEIPTS)-GAS DAILY

a) Description: “NATURAL GAS-APPALACHIA (TEXAS EASTERN, M-2 RECEIPTS)-GAS DAILY "means that the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas fordelivery on the Delivery Date, stated in U.S. Dollars, published under the heading "Daily price survey($/MMBtu): Appalachia: Texas Eastern: M-2 receipts: Midpoint" in the issue of Gas Daily that reportsprices effective on that Pricing Date.






18.A.171 TETCO M2 Index Future (Receipts)




Contract Symbol: MB4



Currency: USD






Reference Price A: NATURAL GAS-APPALACHIA (TEXAS EASTERN, M-2 RECEIPTS)-GAS DAILY

a) Description: “NATURAL GAS-APPALACHIA (TEXAS EASTERN, M-2 RECEIPTS)-GAS DAILY "means that the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas fordelivery on the Delivery Date, stated in U.S. Dollars, published under the heading “Daily Price Survey($/MMBtu): Appalachia: Texas Eastern, M-2 receipts: Midpoint" in the issue of Gas Daily that reportsprices effective on that Pricing Date.





Reference Price B: NATURAL GAS-TEXAS EASTERN TRANSMISSION CORP. (M-2 RECEIPTS)-INSIDE

FERC

a) Description: “NATURAL GAS-TEXAS EASTERN TRANSMISSION CORP. (M-2 RECEIPTS)-INSIDE FERC” means that the price for a Pricing Date will be that day's Specified Price per MMBTU ofnatural gas for delivery on the Delivery Date, stated in U.S. Dollars, published under the heading“Monthly Bidweek Spot Gas Prices ($/MMBtu): Appalachia: Texas Eastern, M-2 receipts: Index” in theissue of Inside FERC that reports prices effective on that Pricing Date.






18.A.172 Henry LD1 Fixed Price Future 25K


published by NYMEX for the location specified in Reference Price A

Contract Symbol: HHL


Contract Size: 25,000 MMBtus

Currency: USD

Minimum Price Fluctuation: The price quotation convention shall be One tenth of a cent ($0.001) per MMBtu;

minimum price fluctuation may vary by trade type. Please see Table in Resolution 1 to this Chapter 18





a) Description: "NATURAL GAS-NYMEX" means that the price for a Pricing Date will be that day'sSpecified Price per MMBTU of natural gas on the NYMEX of the Henry Hub Natural Gas FuturesContract for the Delivery Date, stated in U.S. Dollars, as made public by the NYMEX on that PricingDate


c) Specified Price: Settlement Price

d) Pricing calendar: NYMEX



18.A.173 Henry Penultimate Fixed Price Future 25K


published by NYMEX for the location specified in Reference Price A

Contract Symbol: HHP


Contract Size: 25,000 MMBtus

Currency: USD


MMBtu; minimum price fluctuation may vary by trade type. Please see Table in Resolution 1 to this Chapter 18





a) Description: "NATURAL GAS-NYMEX" means that the price for a Pricing Date will be that day'sSpecified Price per MMBTU of natural gas on the NYMEX of the Henry Hub Natural Gas FuturesContract for the Delivery Date, stated in U.S. Dollars, as made public by the NYMEX on that PricingDate

b) Pricing Date: One Business Day prior to the last scheduled trading day of the NYMEX Henry HubNatural Gas Futures Contract for the Delivery Date





18.A.174 REX Zone 3 Basis Future




Contract Symbol: REX


Contract Size: 2500 MMBtu

Currency: USD




Last Trading Day: The last Business Day of the Contract Period


Reference Price A: NATURAL GAS-UPPER MIDWEST, REX, ZONE 3 DELIVERED-INSIDE FERC

a) Description: “NATURAL GAS-UPPER MIDWEST, REX, ZONE 3 DELIVERED-INSIDE FERC”means that the price for a Pricing Date will be that day's Specified Price per MMBTU of natural gas fordelivery on the Delivery Date, stated in U.S. Dollars, published under the heading “Monthly BidweekSpot Gas Prices ($/MMBtu): Upper Midwest: REX, zone 3 delivered: Index" in the issue of Inside FERCthat reports prices effective on that Pricing Date.









Date.


the Delivery Date





18.A.175 REX Zone 3 Index Future




Contract Symbol: REI



Currency: USD



Listing Cycle: Up to 120 consecutive monthly Contract Periods , or as otherwise determined by the Exchange.



Reference Price A: NATURAL GAS-OTHERS, REX, ZONE 3-GAS DAILY

a) Description: “NATURAL GAS-OTHERS, REX, ZONE 3-GAS DAILY " means that the price for aPricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on the DeliveryDate, stated in U.S. Dollars, published under the heading “Daily Price Survey ($/MMBtu): UpperMidwest: REX, Zone 3 delivered: Midpoint" in the issue of Gas Daily that reports prices effective on thatPricing Date.





Reference Price B: NATURAL GAS-UPPER MIDWEST, REX, ZONE 3-INSIDE FERC

a) Description: “NATURAL GAS-UPPER MIDWEST, REX, ZONE 3-INSIDE FERC” means that theprice for a Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on theDelivery Date, stated in U.S. Dollars, published under the heading “Monthly Bidweek Spot Gas Prices($/MMBtu): Upper Midwest: REX, zone 3 delivered: Index" in the issue of Inside FERC that reportsprices effective on that Pricing Date.






18.A.176 REX Zone 3 Swing Future



Contract Symbol: RES



Currency: USD






Reference Price A: NATURAL GAS-OTHERS, REX, ZONE 3-GAS DAILY

a) Description: “NATURAL GAS-OTHERS, REX, ZONE 3-GAS DAILY " means that the price for aPricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on the DeliveryDate, stated in U.S. Dollars, published under the heading “Daily Price Survey ($/MMBtu): UpperMidwest: REX, Zone 3 delivered: Midpoint" in the issue of Gas Daily that reports prices effective on thatPricing Date.






18.A.177 Henry Penultimate 4-Month Calendar Spread Future

Contract Description: A monthly cash settled Exchange Futures contract based upon the mathematical result of

subtracting the monthly price published by NYMEX for the Fifth Nearby Month, as specified in Reference Price


Contract Symbol: HHR

Settlement Method: Cash Settlement


Currency: USD










Date.










Date.





e) Delivery Date: Fifth Nearby Month


18.A.178 Henry Penultimate 5-Month Calendar Spread Future

Contract Description: A monthly cash settled Exchange Futures contract based upon the mathematical result of

subtracting the monthly price published by NYMEX for the Sixth Nearby Month, as specified in Reference Price


Contract Symbol: HHV



Currency: USD










Date.










Date.





e) Delivery Date: Sixth Nearby Month


18.A.179 Katy Basis Future




Contract Symbol: KTB



Currency: USD



Listing Cycle: Up to 120 consecutive monthly Contract Periods, or at otherwise determined by the Exchange.



Reference Price A: NATURAL GAS-EAST TEXAS, KATY-INSIDE FERC

a) Description: “NATURAL GAS-EAST TEXAS, KATY-INSIDE FERC” means that the price for a

Pricing Date will be that day's Specified Price per MMBTU of natural gas for delivery on the Delivery

Date, stated in U.S. Dollars, published under the heading "Monthly Bidweek Spot Gas Prices ($/MMBtu):

East Texas, Katy: Index" in the issue of Inside FERC that reports prices effective on that Pricing Date.









Date.


the Delivery Date





18.A.180 Katy Index Future




Contract Symbol: KTI



Currency: USD






Reference Price A: NATURAL GAS-EAST TEXAS, KATY-GAS DAILY

a) Description: “NATURAL GAS-EAST TEXAS, KATY-GAS DAILY " means that the price for a


Date, stated in U.S. Dollars, published under the heading "Daily price survey ($/MMBtu): East Texas,

Katy: Midpoint" in the issue of Gas Daily that reports prices effective on that Pricing Date.





Reference Price B: NATURAL GAS-EAST TEXAS, KATY-INSIDE FERC

a) Description: “NATURAL GAS-EAST TEXAS, KATY-INSIDE FERC” means that the price for a


Date, stated in U.S. Dollars, published under the heading "Monthly Bidweek Spot Gas Prices ($/MMBtu):

East Texas, Katy: Index" in the issue of Inside FERC that reports prices effective on that Pricing Date..






18.A.181 Katy Swing Future



Contract Symbol: KTS



Currency: USD



Listing Cycle: Up to 65 consecutive daily Contract Periods, or at otherwise determined by the Exchange.



Reference Price A: NATURAL GAS-EAST TEXAS, KATY-GAS DAILY

a) Description: “NATURAL GAS-EAST TEXAS, KATY-GAS DAILY " means that the price for a


Date, stated in U.S. Dollars, published under the heading "Daily price survey ($/MMBtu): East Texas,

Katy: Midpoint" in the issue of Gas Daily that reports prices effective on that Pricing Date.






18.A.182 Tennessee 800L Index Future




Contract Symbol: TSI



Currency: USD






Reference Price A: NATURAL GAS-LOUISIANA/SOUTHEAST, TENNESSEE, 800 LEG-GAS DAILY

a) Description: “NATURAL GAS-LOUISIANA/SOUTHEAST, TENNESSEE, 800 LEG-GAS DAILY "



($/MMBtu): Louisiana/Southeast, Tennessee, 800 Leg: Midpoint" in the issue of Gas Daily that reports






Reference Price B: NATURAL GAS-LOUISIANA/SOUTHEAST, TENNESSEE, LOUISIANA, 800 LEG-

INSIDE FERC

a) Description: “NATURAL GAS-LOUISIANA/SOUTHEAST, TENNESSEE, LOUISIANA, 800 LEG-

INSIDE FERC” means that the price for a Pricing Date will be that day's Specified Price per MMBTU of

natural gas for delivery on the Delivery Date, stated in U.S. Dollars, published under the heading

"Monthly Bidweek Spot Gas Prices ($/MMBtu): Louisiana/Southeast, Tennessee, Louisiana, 800 Leg:

Index" in the issue of Inside FERC that reports prices effective on that Pricing Date.






18.A.183 Tennessee 800L Swing Future



Contract Symbol: TSC



Currency: USD



Listing Cycle: Up to 65 consecutive daily Contract Periods, or at otherwise determined by the Exchange.



Reference Price A: NATURAL GAS-LOUISIANA/SOUTHEAST, TENNESSEE, 800 LEG-GAS DAILY

a) Description: “NATURAL GAS-LOUISIANA/SOUTHEAST, TENNESSEE, 800 LEG-GAS DAILY "



($/MMBtu): Louisiana/Southeast, Tennessee, 800 Leg: Midpoint" in the issue of Gas Daily that reports







18.A.184 AB NIT (7a/5a) Index Future


subtracting the monthly price published by Canadian Gas Price Reporter, as defined in Reference Price B, from

the average of the daily prices published by Canadian Gas Price Reporter, as defined in Reference Price A.

Contract Symbol: NG7



Currency: USD





Reference Price A: NATURAL GAS-NGX AB-NIT 5a (US$/MMBTU)-CANADIAN GAS PRICE

REPORTER

a) Description: "NATURAL GAS-NGX AB-NIT 5a (US$/MMBTU)-CANADIAN GAS PRICE

REPORTER" means that the price for a Pricing Date will be that day's Specified Price per MMBTU of

natural gas for delivery on the Delivery Date, stated in U.S. Dollars, published under the heading "NGX

AECO 5a Price Index: Total: Average Price US$/MMBtu" in the issue of Canadian Gas Price Reporter

that reports prices effective for that Pricing Date.



d) Pricing calendar: Canadian Gas Price Reporter


Reference Price B: NATURAL GAS-NGX AB-NIT MONTH AHEAD INDEX 7A (US$/MMBTU)-


a) Description: "NATURAL GAS-NGX AB-NIT MONTH AHEAD INDEX 7A (US$/MMBTU)-

CANADIAN GAS PRICE REPORTER" means that the price for a Pricing Date will be that day's

Specified Price per MMBTU of natural gas for delivery on the Delivery Date, stated in U.S. Dollars,

published under the heading "Monthly Canadian and U.S. natural gas price summary: Canadian Domestic

Gas Prices: NGX AB-NIT Month Ahead Index (7A): US$/MMBtu" in the issue of Canadian Gas Price

Reporter that reports prices effective for that Pricing Date.






following the last Business Day of the Contract Period.

18.A.185 AB NIT 5a Swing Future (US/MM)


Canadian Gas Price Reporter for the location specified in Reference Price A

Contract Symbol: NG5



Currency: USD



Listing Cycle: Up to 65 daily Contract Periods, or as otherwise determined by the Exchange


Reference Price A: NATURAL GAS-NGX AB-NIT 5a (US$/MMBTU)-CANADIAN GAS PRICE

REPORTER

a) Description: "NATURAL GAS-NGX AB-NIT 5a (US$/MMBTU)-CANADIAN GAS PRICE

REPORTER" means that the price for a Pricing Date will be that day's Specified Price per MMBTU of

natural gas for delivery on the Delivery Date, stated in U.S. Dollars, published under the heading "NGX

AB-NIT 5a Index: Avg. Price US$/MMBtu" in the issue of Canadian Gas Price Reporter that reports

prices effective for that Pricing Date.






following the last Business Day of the Contract Period.

18.A.186 UK NBP Natural Gas Last Day Financial Futures (USD/MMBTU)

Contract Description: A monthly cash settled Exchange Futures Contract based upon the settlement price aspublished by ICE Futures Europe for the ICE UK Natural Gas Futures (M) contract converted to United Statesdollar (USD) using the Daily Spot Rate as published by the Bank of England.

Contract Symbol: UNF



Currency: USD

Minimum Price Fluctuation: The price quotation convention shall be one tenth of a cent ($0.001) per MMBtu;minimum price fluctuation may vary by trade type.

Listing Cycle:

78-83 consecutive months.

11-13 consecutive qtrs. Quarters are strips of three individual and consecutive contract months. Quartersalways comprise a strip of Jan-Mar, Apr-Jun, Jul- Sep or Oct-Dec.

13-14 consecutive European gas seasons. European gas seasons are strips of six individual andconsecutive contract months and comprise a strip of Apr-Sep or Oct-Mar. 6 consecutive years.

13-14 consecutive US gas seasons. US winter seasons are strips of five individual and consecutivecontract months. US winter seasons always comprise a strip of Nov-Mar. US summer seasons are stripsof seven individual and consecutive contract months and comprise a strip of Apr-Oct.

Last Trading Day: Trading will cease at the close of business two Business Days prior to the first calendar dayof the delivery month, quarter, season or calendar year.


Reference Price A: UK Natural Gas NBP Future (M) - ICE Futures Europe

a) Description: "UK Natural Gas NBP Future (M) - ICE Futures Europe " means that the price for a PricingDate will be that day's Specified Price per MMBTU of natural gas on ICE Futures Europe for the UKNatural Gas NBP Future Contract (M) for the Delivery Date, stated in pence Sterling per therm, as madepublic by ICE Futures Europe on that Pricing Date. The price for a Pricing Date is converted to UnitedState dollar (USD) using the Daily Spot Rate as published by the Bank of England.

b) Pricing Date: Last scheduled trading day of the ICE Futures Europe UK Natural Gas NBP Futures (M)Futures Contract for the Delivery Date.


d) Pricing Calendar: ICE Futures Europe


Final Payment Date: The first Clearing Organization business day following the Last Trading Day.

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Subchapter 18A â€“ Natural Gas

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