PNGTS Update

Boston LDC Forum

June 16, 2015

Forward Looking Statement

Last Year? This Year?

Winter Peaks/Oversupplied Summer

Declining Offshore Nova Scotia Supply

Winter 2014/2015 Flows

7

• Continent-to-Coast (“C2C”) • C2C Open Season

closed 2/27/15 • Approx. Volume

100,000 Dth/day • Nov 2017 Start

Date

C2C Expansion Project Moving Ahead

NE Governors’ Regional Initiative

Regional Energy Legislation

•New England Governors’ Initiative

• ME 2014-0071 ECRA

• RI ACES Act

• MA DPU Docket 15-37

• NH Docket 15-124

• CT Public Act 15-107

Electric Generation on/near PNGTS

11

• To serve LDC and EDC Markets

• Can economically offer up to 600,000 Dth/day total capacity, in increments of 100,000 Dth/day

• Nov 2018 start date

PNGTS’ Next Expansion Project

Expansion to 400,000 Dth/day Example

PNGTS/MNE Joint Facilities

13

PNGTS M&NE

Gorham

Westbrook M&NE

Eliot

Haverhill TGP

Methuen

Dracut

Two Commercially Separate Pipelines, each with their own capacity

Newington – Essential Power

Newington – PSNH Newington – GP Gypsum

Newington – Granite State

PNGTS M&NE

One Physical Pipe

Westbrook Granite State

Haverhill National Grid

Gorham

Westbrook M&NE

Eliot

Haverhill TGP

Methuen

Dracut

Newington – Essential Power

Newington – PSNH Newington – GP Gypsum

Newington – Granite State

Westbrook Granite State

Haverhill National Grid

Pittsburg Pittsburg

PNGTS Current JF Capacity = 210K Dth/day MNE JF

Capacity = 805K Dth/day

Westbrook Westbrook

Supply for PNGTS’ Next Expansion

For More Information, Contact:

Cynthia L. Armstrong Director of Marketing and Business Development Portland Natural Gas Transmission System One Harbour Place, Suite 375 Portsmouth, NH 03801

pngts.com Office: (603) 559-5527 Fax: (603) 427-2807 Cell: (603) 498-0782 Email: cynthia_armstrong@transcanada.com AOL IM: cynthiarmstrong LinkedIn: www.linkedin.com/in/cynthiarmstrong/