References 04/ 2011 1 of 28

2000 Elf Atochem Lavera/ Marseille, France Engineering for DCS Honeywell TDC3000, supply of instrumentation for 2 recycle gas compressors, inclusive anti surge control suitable for variable gas density V & M do Brasil Belo Horizonte Control system Siemens S7-300 for blast furnace air compressor, supply of complete instrumentation Technip (Krebs Speichim), ICS Senegal Control and visualization for air compressor with steam turbine Murray, with redundant PLC (Hot Standby) Allen Bradley, turbine controller Woodward 505E, overspeed protection Protech 203, vibration monitoring Bently Nevada, surge protection, visualization CDVision BASF Ludwigshafen, Germany Failsafe control systems Hima H51q for 2 acetylene compressors with performance and anti surge control, vibration monitoring Schenck Vibrocontrol 2001 Refinery Rosneft Komsomolsk/Amur, Russia Control system of a piston compressor, PLC Siemens, considering Russian GOST standard Refinery MIRO Karlsruhe, Germany Modernization of control system for 8-stage MAN-hydrogen compressor with steam turbine with redundant anti surge & turbine speed controller Voith Turcon Basell Tarragona, Spain Performance and anti surge controls Siemens S7 for 1 propylene compressor and 1 recycle gas compressor (2,7 MW, variable speed) Vintron Knapsack, Germany Control system Siemens S7 with anti surge control and visualization for a multistage chlorine compressor Refinery OMV Burghausen, Germany Performance control, anti surge control and master control for 3 x 3-stage air compressors Ingersoll-Rand using Voith controller Turcon Ticona Kelsterbach, Germany Fan combicontrol with inlet guide vane and VSD speed control

References 04/ 2011 2 of 28

2002 Techhydrosystemy Moscow, Russia Control cabinet for acetylene piston compressor with PLC Siemens S7, considering Russian GOST standard Eastman Sokolov, Czech Republic Control system with PLC Siemens S7 incl. Modbus and visualization “CD-Vision”of 2-stage recycle gas compressor with steam turbine BASF Ludwigshafen, Germany Control system with anti surge control and visualization for 1 process air compressor and 1 recycle gas compressor in Glyoxal plant (PLC Siemens Simatic S7) Lukoil Perm, Russia Control system for piston compressor (PLC with modbus) considering Russian GOST standard Codelco, Chile Redundant control system PLC Allen Bradley ControlLogix “Hot Standby” with visualization RS-View for multistage air compressor for a copper smelter plant in El Salvador / Chile, anti surge controller CCC Series 3+ Erdöl-Erdgas GmbH Steinitz, Germany Control system Schneider Modicon Quantum, compressor shut down system HIMA (SIL2), visualization CDVision, F&G system for 2 natural gas compressors 2,5 MW, complete instrumentation, according to the regulations of the German Gas Industry (DVGW), mounted in an electrical container Union Miniere Pirdop Copper, Bulgaria Anti Surge Control with PLC Siemens S7-300 for 3 copper smelter air compressors

Birla Copper India Control systems S7-300 for a SO2-compressor and a multistage stage air compressor of metallurgic process in India, supply of instrumentation LG Chemie, Korea Redundant control system S7-300H with visualization CDVision for vapour compressor of Caprolactam process MOL Refinery, Hungary Redundant and failsafe control system Siemens S7-400HF for process air compressor Indogulf Copper Smelter Plant, India Control systems for 2-stage 2,8 MW process air compressor and for 3,8 MW SO2 blower with PLC Siemens Simatic S7-300 and integration of Bently Nevada monitoring system Petrochemical Company Control system engineering for regeneration gas blower in C2-Recovery and Gas Cracking Plant

References 04/ 2011 3 of 28

2003 Stanwell Australia Control system with PLC Allen Bradley, for 8 ammonium blowers (2 x 3 MW, 6 x 0,5 MW) and one stripper vapour recompression blower (0,6 MW) Water Treatment Plant, Athen-Psyttalia, Greece Control of individual compressors and master control for 7 process air compressors, 7 x 2,6 MW, PLC Siemens S7-300 and visualization Refinery PCK Schwedt, Germany Basic engineering for modernization of control system for steam turbine in FCC plant BASF-IPS Nanjing, China Control system with PLC Siemens S7-300 for 2 ethylene and 1 nitrogen piston compressors, with controller Hoerbiger HydroCOM and Bently Nevada 3500 vibration monitoring, visualization panel Siemens MP370 Copper Metallurgical Plant Jinchuan, China Anti surge control with PLC and visualization for three air compressors with PLC S7, Mastercontrol for 4 compressors of different manufacturers Methanol Plant Control system engineering for nitrogen start up blower Repsol Tarragona Refinery, Spain Instrumentation and control system engineering and commissioning for process air compressor in SRU-plant with anti surge control, vibration monitoring Bently Nevada Tengiz, Kazakhstan Instrumentation for exhaust vapour compressor Union Minière Pirdop Copper, Bulgaria Control system for copper converter SO2 blower with vibration monitoring (BN 3300)

References 04/ 2011 4 of 28

2004

Posco Midrex Pilot Plant, Pohang, Korea Anti surge control for 2-stage recycle gas compressor of Midrex process (Pilot Plant), ABB-Protronic controller and vibration monitoring with BN 3500 Stora Enso Maxau, Germany Control system engineering and commissioning for 4 vapour compressors in paper factory with DCS Siemens PLCS7 in Cooperation with Voith-Paper Company Project SRU Tengiz, Kazakhstan Control of air blowers in Claus-plant with Siemens steam turbine, redundant process PLC (Controllogix), redundant safety PLC (Hima) and CCC anti surge controller series 5 Project SRU Tengiz, Kazakhstan Control of start up blower in Claus-plant, redundant process PLC (Controllogix), redundant safety PLC (Hima) and CCC anti surge controller series 5 SINOPEC Qilu Petrochemical Company, China Control system of a directly steam turbine driven process gas compressor, PLC Siemens S7 and with vibration monitoring system Bently Nevada 3500, visualization CDVision SECCO Petrochemical Company Shanghai, China Foundation Field Bus instrumentation for main compressor with steam turbine in the sulphur acid plant, control cabinet with vibration monitoring system Bently Nevada 3500 PetroChina Jilin, China Control system for recycle gas compressor with redundant PLC S7-400H and vibration monitoring Bently Nevada 3500 and visualization CDVision Chlorine compressor, Binzhou, China Control system engineering of multistage chlorine gas compressor, supply of anti surge controller ABB Protronic 500, instrumentation and chlorine gas rest humidity measurement, engineering for DCS logics and commissioning MD/HDPE-plant Auxiliary Control for extruder main driver and gear pump drive with redundant PLC S7-300H, visualisation CDVision and redundant Modbus communication to DCS Project: ABB Switzerland AG with Uhde/Sazeh Bagfas, Turkey Control of compressor with steam turbine in sulphur acid plant with ET200M, vibration monitoring BN, turbine controller Woodward 505

References 04/ 2011 5 of 28

Refinery Rjasan, Russia Control panel of piston compressor, in accordance with Russian standards GOST Solvay, Belgium Control system with PLC S7-300 for a multistage chlorine gas compressor, with vibration monitoring, anti surge control, visualisation CDVision AKZO/Delfzij, Netherlands Engineering for DCS logics and supply of instrumentation and control valves, commissioning for Chlorine multistage compressor Petrofac, Qatar Control system for turbo compressor for flare gas, instrumentation, vibration monitoring, gas warning system, engineering for DCS-configuration, redundant anti surge controller CCC Series 4, surge protection AviComp Digitric

References 04/ 2011 6 of 28

2005 Samawa Iraq Gas turbine control systems with failsafe PLC Siemens S7-300F with visualization CDVision and supply of instrumentation for 2 heavy fuel oil gas turbines Borsig G24 Dolphin Energy Limited, Qatar Sulphur recovery and gas treatment plants: Control systems Siemens S7-300, vibration monitoring Bently Nevada 3500, HMI WinCC and instrumentation for - Process Gas Blower, - Start up Air Fan, - 4 Oxidation Air Blowers Dolphin Energy Limited, Ras Laffan Power Plant Qatar Failsafe control system Siemens S7-400F with HMI WinCC for 3 Fuel Gas Compressors, redundant OPC server cabinet for communication between compressor packages and DCS Honeywell PKS Total Refinery Leuna, Germany Basic engineering for modernization of control systems for O2, NH3 and recycle gas compressors in the POX-Methanol plant BorsodChem, Hungary Control systems Siemens S7 with instrumentation inclusive control valves for 2 multistage chlorine gas compressors, visualization CDVision Slovnaft Bratislava, Slovakia Control system for hydrogen compressor with redundant and failsafe PLC Siemens S7-400HF, visualisation in WinCC Huta Miedzi Glogow, Poland Control system for SO2-compressor with vibration monitoring, visualization IlO Smelter, Peru Redundant control system for air blower for converter plant with PLC Allen Bradley, Visualisation, anti surge control Xinwen Mining Group Co. Shandong, China 3-stage chlorine gas compressor: engineering for DCS-System, Supply of instrumentation & control valves, chlorine gas rest humidity measurement Jiangsu-Anpon, China 3-stage chlorine gas compressor: engineering for DCS-System, supply of instrumentation & control valves, chlorine gas rest humidity measurement Nitrogen compressor, China Control system for 2 nitrogen piston compressors with PLC Siemens S7-300

References 04/ 2011 7 of 28

Oxygen compressor, Linde Graz Austria Control system for oxygen piston compressor with failsafe PLC Siemens S7-300F Taiyuan Steel Works, China 3 master control panels for 7 coke gas fans and 4 BFG booster fans Formosa Petrochemical Corporation, Taiwan SRU Mai Liao control systems for 2 process air compressors and 1 start up blower, redundant PLC Allen Bradley Controllogix with HMI PanelView+. Posco Midrex Plant, Pohang, Korea Supply of DCS, compressor control system and instrumentation for 3 pcs. 2-stage recycle gas compressors of Midrex process, DCS/PLC: ABB 800xA / ABB-Advant AC450, anti surge control suitable for variable gas composition, with master control (load sharing). Waste Water Treatment Plant Zagreb, Croatia Compressor control system for 3 air compressors with PLC Siemens S7-300 BASF-Freeport, USA Compressor control system with PLC Allen Bradley and HMI PanelView+ for 2 nitrogen compressors Linde Air Liquifaction Plant Balaschicha, Moscou Programming and commissioning of control system S7-300 for 3 process compressors.

References 04/ 2011 8 of 28

2006 AWEER Gas Turbine Power Station, UAE Control system engineering for 6 fuel gas compressors E.ON Kraftwerke, power station Schkopau, Germany Surge protection for 6 process air compressors Linde Air Separation Plant Worms, Germany Compressor control system PCS7 for anti-surge and speed control for 5 turbo compressors and expanders (1,3 - 9,2 MW) in air separation plant. Total shut down time for modernization: 10 days. Sinopec Nanjing, China 3-stage chlorine gas compressor: engineering for DCS-System, supply of instrumentation & control valves Shandong Yantai Wanhua, China 3-stage chlorine gas compressor: engineering for DCS-System, supply of instrumentation & control valves, chlorine gas rest humidity measurement Compressor Station Kasan, Russia System engineering and supply of PLC S7-300 for 2 piston compressors for Nitrogen in accordance with Russian standards GOST Skanska for Petrobras Lube Oil Plant Porto Alegre, Brazil Programming and commissioning of control system for 3 motor and steam turbine actuated process air compressors with PLC ControlLogix and HMI PanelView+ Deutsche Gasrusswerke Dortmund, Germany Modernization of process air compressor with failsafe PLC S7-300F, anti-surge control, visualization, Profibus-connection to DCS, supply of new instruments and control actuators Petrochemical Loujiazhai, China Outdoor control panels for hazardous area with PLC Siemens S7 for 18 process gas compressors with turbine / motor drives Mittal Steelworks Vanderbuiltpark South Africa Performance tests of existing coke gas exhausters and Basic Engineering for retrofit Refinery Kirishi, Kinef, Russia Control system Honeywell HC900 for 2 piston compressors, with controller Hoerbiger HydroCOM, 2 Local control stations and Exi local graphic control panels Lewen, China 4-stage chlorine gas compressor: engineering for DCS-System and anti surge control, supply of instrumentation & control valves

References 04/ 2011 9 of 28

Tangshan, China Multstage chlorine gas compressor: engineering for DCS-System and anti surge control, supply of instrumentation & control valves AWEER Gas Turbine Power Station, UAE System engineering for integrating overall plant electrical & instrumentation wiring Henan Longyu Coal Chemical Ltd., China Control system for recycle gas compressor with anti-surge controller ABB “Protronic”, supply of control instruments and control valves General Motors, Opel Eisenach / Germany Anti surge control software for air compressor Pemex Refinery Minatitlan, Mexico Control system & instrumentation for 6 SRU air compressors and 2 process gas blowers, with PLC Compactlogix and HMI PanelView+ LG YM-3 Plant Yeosu, South Korea Control systems for process air and recycle gas compressors, each with combined turbine/motor drivers, with redundant PLC ControlLogix and HMI PanelView+ and overall PC for diagnostics and data storage Refinery Pavlodar, Kazakhstan Fail safe control system for 2 gas compressors, with failsafe Siemens PLC S7-300F and Exi graphic local control station Hindustan Zinc II Control system S7-300 with graphic HMI for a SO2-compressor of metallurgic process in India Copper Converter Jiangsi, China Control system for air compressor, with Siemens PLC S7-300 and visualization WinCC Ufa Oil Refinery, Russia Air compressor control system engineering and commissioning work Water Treatment Plant Wassmannsdorf (Berlin) Germany Modernization of 1 turbo compressor from old PLC Siemens S5 to Siemens S7 DOMO Leuna, Germany Retrofit of hydrogen compressor instrumentation (inclusive vibration monitoring) Sharq Expansion Project Al Jubail, Saudi Arabia Control system engineering for 17 compressors of different manufacturers Sharq Expansion Project Al Jubail, Saudi Arabia System engineering for integrating overall plant electrical & instrumentation wiring

References 04/ 2011 10 of 28

Ethylen Compressor Compressor control cabinet with redundant and failsafe PLC Hima H51q-HRS 4 Hydrogen Piston Compressors Domba Mas Indonesia Control system software & commissioning Air Liquide, Pernis, Netherlands Control system for air turbo compressor & dryer, redundant PLC Siemens S7-400H

References 04/ 2011 11 of 28

2007 Petrochina Dushanzi, China Control systems & instrumentation for 2 Ethylene compressors with redundant and failsafe Siemens PLC S7-400HF Pori Energia, Finland Supply of control systems for 2 converter air blowers, based on PLC Siemens S7 Sharq Expansion Project Al Jubail, Saudi Arabia Compressor control system engineering & software (individual machine control and master control) for 2 nitrogen compressors and 4 transport air compressors, system Siemens PCS7 Linde Air Separation Plant 6, Salzgitter, Germany Implementation of compressor control system (engineering & software) in existing SCADA system Siemens PCS7 for pressure & anti-surge control for 1 air compressor (15 MW) in air separation plant Linde Air Separation Plant 6, Salzgitter, Germany Retrofit of anti-surge control valve DN400 for 1 air compressor (15 MW) in air separation plant Linde Air Separation Plant 5, Salzgitter, Germany Compressor control system PCS7 for anti-surge and speed control for 6 turbo compressors and expanders in air separation plant Linde Air Separation Marl, Germany Compressor control system Yokogawa CS3000 engineering & software for anti-surge and speed control for 4 turbo compressors/expanders in air separation plant. Infracor Marl, Germany Compressor control system Yokogawa CS3000 engineering & software for anti-surge and speed control for 2 turbo compressor (air and oxygen). Engitec / Wales Control system, instrumentation & MCC for vapour compressor, with PLC Compactlogix and HMI PanelView+, battery charger for emergency oil pump THAL Argon Recovery Plant India Instrumentation and anti surge control for a multistage nitrogen compressor Saudi Aramco Rabigh SO2 -Compressor Intools wiring & instrumentation engineering, compressor skid wiring for a 1-stage turbocompressor with Foundation-Fieldbus Instrumentation, surge protection Allen Bradley PLC based OMV Burghausen, Germany Anti surge control engineering & software for Tertiary compressor

References 04/ 2011 12 of 28

OMV Burghausen, Germany Anti surge control engineering & software for crack gas compressor retrofit InfraLeuna, Germany Master control (Allen Bradley PLC) of 4 refinery instrument air compressors Kribhco Argon Recovery Plant India Supply of redundant anti surge controller Siemens PLC S7-400H for multistage N2-compressor Kribhco Argon Recovery Plant India Supply of a Machine Monitoring System Cabinet BN3500 for several rotating machines (expander, turbo compressor, piston compressors) Binzhou II, China 4-stage chlorine gas compressor: engineering for DCS-System, Supply of anti-surge controller, instrumentation & control valves, chlorine gas rest humidity measurement, redundant seal gas control Sterlitamak Russia 4-stage chlorine gas compressor: complete compressor control system based on PLC Siemens S7, instrumentation, control valves and MCC with frequency converters Water Treatment Plant Wassmannsdorf (Berlin) Germany Modernization of 6 turbo compressors from PLC Siemens S5 to Siemens S7 Power Plant Riga, Latvia Failsafe control system Siemens S7-400F with HMI WinCC for 2 Fuel Gas Compressors Dongming, China 3-stage chlorine gas compressor: complete compressor control system with compressor control cabinet (PLC S7-300), supply of instrumentation & control valves, chlorine gas rest humidity measurement, seal gas control Binzhou Ocean, China 3-stage chlorine gas compressor: engineering for DCS-System, supply of anti-surge controller, seal gas controller, instrumentation & control valves, chlorine gas rest humidity measurement Tianye, China 2 chlorine-3-stage gas compressors: engineering for DCS-System, supply of anti-surge controller, seal gas controller, instrumentation & control valves, chlorine gas rest humidity measurement Kumho, China 3-stage chlorine gas compressor: engineering for DCS-System, supply of anti-surge controller, seal gas controller, instrumentation & control valves, chlorine gas rest humidity measurement

References 04/ 2011 13 of 28

Tricat Bitterfeld, Germany Retrofit of hot recycle gas compressor of catalyst regeneration plant: supply of anti-surge controller for variable gas composition (Siemens S7 based), instrumentation & control valves, bypass piping Hindustan Zinc III Control system S7-300 with graphic HMI for a SO2-compressor of metallurgic process in India Esfahan Petrochemical Supply of control system and instrumentation for process air blower based on redundant PLC Siemens S7-400H Solvay, Brazil Control system with PLC S7-300 for a multistage chlorine gas compressor, with vibration monitoring, anti surge control, visualisation CDVision, instrumentation & control valves Binzhou III, China 4-stage chlorine gas compressor: engineering for DCS-System, Supply of anti-surge controller, instrumentation & control valves, chlorine gas rest humidity measurement, redundant seal gas control Residual Gas Compressor Monoethylene Glycol Plant Compressor control cabinet with redundant and failsafe PLC Siemens S7-400HF 2 N2-Gas Compressors Monoethylene Glycol Plant Compressor control cabinets with redundant and failsafe PLC Siemens S7-400HF Natural Gas Compressor OMV Wildendürrnbach, Austria Compressor control cabinets with failsafe PLC Siemens S7-315F, LV-power control with Profibus linked intelligent power switches Siemens Simocode and frequency transformers Siemens Micromaster Refinery OMV Burghausen, Germany Engineering for Integration of 4th plant air compressor in the existing master control SIPCHEM Saudiarabia, Engineering of Triconex compressor control systems and machine monitoring systems for a 7-stage steam turbine driven CO turbocompressor, a 6-stage CO2-turbocompressor and a 2-stage natural gas turbocompressor, supply of machine monitoring systems for various rotating machines Shell Refinery Pergen / Netherlands Modernisation of 2 steam turbine driven air turbocompressors and 1 steam turbine driven generator with complete new control systems with failsafe SIL certified PLC S7-400HF with displays MP277 and complete field instrumentation, inclusive modernization of control valves.

References 04/ 2011 14 of 28

Sharq Expansion Project Al Jubail, Saudi Arabia Compressor control system for 1 nitrogen piston compressor with redundant PLC Siemens S7-300H and display MP277 Arkema Refinery FOS, France Anti surge control & surge protection for a high pressure fan with Schneider Modicon PLC and SIL2 surge protection, supply of instrumentation. Dragon Steel Coorp. Taiwan Compressor control systems for 2 steam turbine driven turbo compressors based on system Siemens S7 Jinjuan III Copper Refinery Compressor control systems and instrumentation for 4 turbo compressors based on system Siemens S7-400 Skoda Combined Cycle Power Plant Lahore/Pakistan Compressor control systems and instrumentation for 3 turbo compressors based on system Siemens S7-300 with displays MP277 with distributed master/load sharing control Lewen II, China 3-stage chlorine gas compressor: engineering for DCS-System, supply of anti-surge controller, instrumentation & control valves, chlorine gas rest humidity measurement, redundant seal gas control AWEER Gas Turbine Power Station, UAE Commissioning & start up of control systems for 6 fuel gas compressors Dongying, China 4 multistage chlorine compressors: engineering for DCS-System, supply of anti-surge controller, instrumentation & control valves, chlorine gas rest humidity measurement Dolphin Energy Limited, Qatar Sulphur recovery and gas treatment plants: Commissioning for

- 3 Fuel Gas Compressors - Process Gas Blower - Start up Air Fan - 4 Oxidation Air Blowers

Petrofac, Qatar

- Commissioning & start up for a 2-stage flare gas compressor Eisenwerk Bühl, Germany

- Control System for Air Compressor, PLC Allen Bradley Compactlogix, display PV700+

References 04/ 2011 15 of 28

CO-Compressor Caojing, China

- Control System Engineering for 3-stage CO-Compressor, redundant PLC Siemens S7-400H, display MP370, supply of PLC parts

Shanghai, China Multistage chlorine gas compressor: complete compressor control system with compressor control cabinet (PLC S7-300), supply of instrumentation & control valves Jiangsu-Anpon II, China Multistage chlorine gas compressor: engineering for DCS-System, supply of S7-300 based anti-surge controller, supply of instrumentation & control valves, chlorine gas rest humidity measurement Gas Gathering & NGL Recovery Project Compressor control cabinet for natural gas compressor with redundant and failsafe PLC Hima H41q-HS Formosa Petrochemical Corporation, Taiwan Commissioning & Start up work for 2 process air turbo compressors and 1 start up blower, redundant PLC Allen Bradley Controllogix with HMI PanelView+. OMV Burghausen, Germany Commissioning & start up master control expansion for refinery instrument air compressors and engineering for the control system of the 4th instrument air compressor. Sharq Expansion Project Al Jubail, Saudi Arabia Pneumatic transport system engineering & software, system Siemens PCS7 Ruwais Air Separation Plant, Abu Dhabi Basic control system & instrumentation engineering

References 04/ 2011 16 of 28

2008 Bash-Gipro-1-Ufa (Russia) Control system engineering for retrofit of 3 multistage natural gas turbo compressors and 3 multistage air turbo compressors based on PLC Siemens S7-400H, supply of bypass & blow off anti surge control valves Engitec II / Spain Control system, instrumentation & MCC for vapour compressor, with PLC Compactlogix and HMI PanelView+, battery charger for emergency oil pump Holborn Refinery / Germany Control system, instrumentation & MCC for vapour compressor, with PLC S7 and HMI MP277 OMV Burghausen, Germany Engineering, commissioning & start up anti surge control for crack gas compressor and tertiary compressor. PLC: Voith redundant speed controller R32 HMC Polymers, Thailand Compressor control systems for 3 hydrogen reciprocating compressors, with PLC SLC500 Xuzhou, China Multistage chlorine gas compressor: engineering for DCS-System, supply of S7-300 based anti-surge controller, supply of instrumentation & control valves, chlorine gas rest humidity measurement Liuzhou, China Multistage chlorine gas compressor: engineering for DCS-System, supply of S7-300 based anti-surge controller, supply of instrumentation & control valves, chlorine gas rest humidity measurement Qinghai, China Multistage chlorine gas compressor: engineering for DCS-System, supply of S7-300 based anti-surge controller, supply of instrumentation & control valves, chlorine gas rest humidity measurement SAP Ma’aden, Saudi Arabia Compressor control systems for 6 process air compressors. Failsafe PLC S7-315F with intelligent Simocode LV-drive control SNC Lavalin Prayon Belgium Main process air compressor control system. PLC Allen Bradley Compactlogix with Panelview+, inclusive LV-MCC for auxiliary drives. Sunoco UOP Phenol Process Oxidizer Air Compressor Kumho/South Korea Air purged compressor control cabinet with PLC S7 and graphic display for hazardous area location.

References 04/ 2011 17 of 28

Mozyr Petrochemical Company Belorus I Control systems inclusive vibration monitoring with failsafe SIL certified PLC S7-400HF and PCS7 SCADA system for 2 reciprocating gas compressors. Mozyr Petrochemical Company Belorus II Control systems inclusive vibration monitoring with failsafe SIL certified PLC S7-400HF and PCS7 SCADA system for 3 reciprocating gas compressors (make up compressors). Kazzinc Control system S7-300 with graphic HMI for a SO2-compressor of metallurgic process in Kazachstan Chambishi Copper Control system software for S7-300 for 3 process air compressors MAVEG Balakovo Control system S7-300 with graphic HMI for a SO2-compressor Kokpatas – Usbekistan Control system software for S7-300 for 5 process air compressors Balchasch - Kasachstan Commissioning for 2 SO2-compressors Oran - Algerie Commissioning for 2 multistage process air compressors La Oroya - Peru Control system S7-300 with graphic HMI for a SO2-compressor of metallurgic process in Peru Vintron Knapsack II, Germany Control system Siemens S7 with anti surge control and visualization for a multistage chlorine compressor Hellenic Petroleum – Elefsis Greece Control system retrofit inclusive vibration monitoring with failsafe SIL certified PLC S7-400HF and graphic operator panels for 2 reciprocating H2-gas compressors Seraya Power Station – Singapur Basic engineering for compressor control system inclusive instrumentation with redundant PLC S7-400H and graphic operator panels for 2 fuel gas turbo compressors EON Gönyü Power Station – Hungaria Basic engineering for compressor control system inclusive instrumentation with redundant & failsafe PLC S7-400HF and graphic operator panels for 1 fuel gas turbo compressor

References 04/ 2011 18 of 28

Shandong Yantai Wanhua II, China 3-stage chlorine gas compressor: engineering for DCS-System, supply of ASC, instrumentation & control valves, chlorine gas rest humidity measurement Combined Cycle Power Plant Surgutskaya, Russia Basic Engineering for failsafe control system Siemens S7-400F with PCS7 for 3 Fuel Gas Compressors with Modbus TCP-IP server and master control Atakoy Turkey Compressor control systems for 12 air turbocompressors in water treatment plant, with master control, based on S7-300 Refinery ASC system engineering for redundant Voith Turconcontroller R32 for steam turbine driven gas compressor Linde Gas Salzgitter LZA3 Germany Compressor Control System retrofits for air liquefaction plants (multistage main compressors, N2, O2-compressors, expanders Borl India Compressor Control System for 1 stage SO2 compressor El Boleo Mexico Compressor Control System for 1 stage SO2 compressor Hyundair Steel South Korea Control Systems with master control for 3 high pressure coal gasification fans Trisyn / Trigas Trinidad Triconex anti surge controller engineering/software development for 2 steam turbine driven multistage gas compressor Shell Refinery Pergen / Netherlands Commissioning for 1 back pressure steam turbine driven turbo compressor with new control systems with failsafe SIL certified PLC S7-400HF with displays MP277 and complete field instrumentation Kokpatas – Usbekistan Commissioning for 5 process air compressors Chambishi Copper Kitwe Sambia Commissioning & start up for 3 copper converter air compressors and 1 SO2-compressor Shell Refinery Pergen / Netherlands Commissioning for 1 condensing steam turbine driven generator with new control systems with failsafe SIL certified PLC S7-400HF with displays MP277 and complete field instrumentation

References 04/ 2011 19 of 28

BASF Ludwigshafen Germany Compressor control system and instrumentation with Hörbiger unloading performance controller, PLC S7-300 and graphic operator panels for 1 reciprocating gas compressor HMT Kolowezi Kongo Compressor Control System for 1 stage SO2 compressor

References 04/ 2011 20 of 28

2009 Hindustan Zinc IV, India Compressor Control System for 1 stage steam turbine driven SO2 compressor Sasol Moers Germany Compressor Control System for 1 stage steam turbine driven process air compressor Dahe, China 3-stage chlorine gas compressor: engineering for DCS-System, supply of ASC, instrumentation & control valves, chlorine gas rest humidity measurement Luxi, China 2 x 3-stage chlorine gas compressors: engineering for DCS-System, supply of ASC, instrumentation & control valves, chlorine gas rest humidity measurement Tianjin Soda Plant, China Control Systems of 2 direct steam turbine driven process gas compressors, redundant PLC Siemens S7 and vibration monitoring system Bently Nevada 3500, visualization CDVision Tianjin Soda Plant, China Control System of multistage CO gas compressor, redundant PLC Siemens S7-400HF and with vibration monitoring system Bently Nevada 3500, visualization WinCC Shell Refinery Pergen / Netherlands Commissioning for 1 back condensing steam turbine driven turbo compressor with new control systems with failsafe SIL certified PLC S7-400HF with displays MP277 and complete field instrumentation SIPCHEM Saudiarabia Commissioning of Triconex compressor control systems and machine monitoring systems for a 7-stage steam turbine driven CO turbocompressor, a 6-stage CO2-turbocompressor and a 2-stage natural gas turbocompressor Linde Gas Herne Germany Compressor Control System retrofits for air liquefaction plants (multistage main compressors, O2-compressors, expanders I-Park Münchsmünster Germany Compressor control system and instrumentation with Hörbiger unloading performance controller, PLC S7-300 and graphic operator panels for 1 reciprocating gas compressor Krimsky Titan Ukraina Compressor Control System for 1 stage steam turbine driven SO2 compressor

References 04/ 2011 21 of 28

Ningbo Wanhua Cryogenic Separation Plant, China Control System of multistage CO gas compressor, redundant PLC Siemens S7-400H and with vibration monitoring system Bently Nevada 3500, visualization WinCC TU Dresden Compressor Control System for 1 stage air compressor based Siemens S7-300 Seraya Power Station – Singapur Compressor control systems inclusive instrumentation & master control with redundant PLC S7-400H and graphic operator panels for 2 fuel gas turbo compressors EON Gönyü Power Station – Hungaria Compressor control system inclusive instrumentation with redundant PLC S7-400H and graphic operator panels for 1 fuel gas turbo compressor Mozyr Petrochemical Company Belorus IV Control systems inclusive vibration monitoring with failsafe SIL certified PLC S7-400HF and PCS7 SCADA system for 3 reciprocating gas compressors (recycle gas compressors) Lihuayi Soda Plant, China Control Systems of 2 direct steam turbine driven process gas compressors, redundant PLC Siemens S7 and vibration monitoring system Bently Nevada 3500, visualization CDVision Bayer Caojing Chlorine & Hydrogen Chloride Compressors, China Control Systems of 2 process gas compressors, redundant SCADA Siemens PCS7 and vibration monitoring system Bently Nevada 3500 Refinery - Recycle Gas Compressor Control Systems of 1 steam turbine driven multistage process gas compressor, redundant SCADA Siemens PCS7 and vibration monitoring system VC6000, Braun over-speed protection Posco Kwangyang Coke Oven Gas Blowers, South Korea Instrumentation & surge protection for 3 COG blowers, DCS engineering inclusive master control VEMEX, Russia Control Systems of 2 process gas reciprocating compressors with redundant PLC Controllogix and vibration monitoring system Bently Nevada 3500 Ineos Crack Gas -C7600-Booster Cologn Commissioning of Triconex Anti Surge Controller Naftochimik Prikarpatia, Ukraina Control Systems of 2 hydrogen reciprocating compressors with redundant PLC S7-400 and vibration monitoring system Bently Nevada 3500

References 04/ 2011 22 of 28

Engitec III Dnepropetrovsk - Ukraina Control system & instrumentation for vapour compressor, with PLC S7-300 and HMI MP277, battery charger for emergency oil pump Jinling II-V, China 4 x 3-stage chlorine gas compressors: engineering for DCS-System, supply of ASC, instrumentation & control valves, chlorine gas rest humidity measurement Infineon Crack Gas-C7600-Booster Start-up and commissioning for Tricon CCS RWE Ochtrup Pipeline Compressors, Germany Control Systems of 2 process gas compressors, redundant SCADA Siemens PCS7 and vibration monitoring system Bently Nevada 3500 NG Station Compressor control systems and instrumentation with redundant & failsafe PLC S7-400HF and graphic operator panels for 1 sour gas stabilizer reciprocating compressor and 1 de-ethanizer reciprocating compressor NG Station Compressor control systems and instrumentation with redundant & failsafe PLC S7-400HF and graphic operator panels for 2 Field & 2 Sales Gas Compressors Linde Gas Finkenwerder Germany Compressor Control System retrofits for air liquefaction plants (multistage main compressors, O2-compressors, turbo expanders

References 04/ 2011 23 of 28

2010 Refinery Control Systems & Instrumentation of 8 single-stage process gas turbos, PLC S7-400HF Refinery Control Systems & Instrumentation of 8 single-stage process gas turbos, PLC S7-400HF Refinery Control Systems & Instrumentation of 4 off-gas reciprocating compressors, PLC S7-400H Refinery Control Systems & Instrumentation of 4 off-gas reciprocating compressors, PLC S7-400HF Metka Korinthos - Greece Compressor control system with redundant PLC S7-400H and graphic operator panels for 1 fuel gas turbo compressor Dunamenti - Hungaria Compressor control systems with redundant & failsafe PLC S7-400HF and graphic operator panels for 2 fuel gas turbo compressors CNOOC Huizhou, China Control Systems of 1 steam turbine driven and 1 motor driven process gas compressors, redundant PLC Siemens S7 and vibration monitoring system Bently Nevada 3500, visualization CDVision Brazi - Romania Compressor control systems with redundant PLC S7-400H and graphic operator panels for 3 integrally geared multistage fuel gas turbo compressors Steel Plant Compressor control systems with instrumentation, control valves and redundant & failsafe PLC Siemens S7-300H and graphic operator panels for seal gas, process gas & cooling gas turbo compressors Steel Plant Compressor control systems with instrumentation, control valves and redundant & failsafe PLC Siemens S7-300H and graphic operator panels for seal gas, process gas & cooling gas turbo compressors Steel Plant Compressor control systems with instrumentation, control valves and redundant & failsafe PLC Siemens S7-300H and graphic operator panels for seal gas, process gas & cooling gas turbo compressors

References 04/ 2011 24 of 28

Steel Plant Compressor control systems with instrumentation, control valves and redundant & failsafe PLC Siemens S7-300H and graphic operator panels for seal gas, process gas & cooling gas turbo compressors Linde Gas Galati I (Romania) Compressor Control System retrofits for air liquefaction plants (5 multistage main air compressors). Supply of new blow off valves, automatization of compressor IGVs with pneumatic actuators, retrofit of big sized blow off valves with new control actuators, supply of new instrumentation Peterburg Power Plant (Russia) Compressor control systems with redundant & failsafe PLC PCS7-400HF and graphic operator panels for 2 fuel gas turbo compressors, with master control Kirishi Power Plant (Russia) Compressor control systems with redundant & failsafe PLC PCS7-400HF and graphic operator panels for 4 fuel gas turbo compressors, with master control CNOOC Shandong Heze Yuhuang Chemical, China Control Systems of 2 direct steam turbine driven process gas compressors, redundant PLC Siemens S7-400HF and vibration monitoring system Bently Nevada 3500, visualization CDVision Petrochina Sichuan Petrochemical, China Control systems of 2 direct steam turbine driven process gas compressors, common redundant PLC Triconex and vibration monitoring system Bently Nevada 3500, visualization Intouch, Woodward 505 turbine speed controller Sibur Tobolsk, Russia Speed Control System of 1 steam turbine driven process gas compressors, redundant PLC Siemens S7-400HF and vibration monitoring system Bently Nevada 3500, Overspeed Protection Braun E16, visualization CDVision IKRA Nishni Novgorod Integrated Vinyls Plant, Russia 3-stage chlorine gas compressor and one-stage recycle gas compressor: supply of Simatic S7 based compressor control systems, instrumentation & control valves BASF Methanol Plant Brazil Recycle gas compressor & start up blower: supply of Simatic S7 based compressor control systems Linde Gas Terni, Italia Compressor control system retrofits for air liquefaction plants (4 multistage main compressors & turbines) Turkmengas (Turkmenistan) Compressor control systems with PLC Siemens S7-400H for 2 multistage process air compressors

References 04/ 2011 25 of 28

Methanol Plant Compressor control systems for steam turbine driven process gas compressor Pulawa Asot (Poland) Local Z-purged compressor control system for steam turbine driven wet air compressor with Siemens PLC, CCC turbine overspeed protection and speed control, Bently Nevada 3500 vibration monitoring system Nafta Serbia Pancevo (Serbia) 3 compressor control systems for reciprocating compressors with Hörbiger unloading controllers, Siemens failsafe and redundant PLC, Bently Nevada 3500 vibration monitoring system and industrial PC for visualisation Sonatrach Arzew (Algerie) Compressor control systems with SIL certified PLC Siemens S7-400HF for 2 multistage process air compressors Rosneft Samara 1 (Russia) Compressor control system with SIL certified PLC Siemens S7-400HF for 1 steam turbine driven axial process air compressor Linde Gas Galati II (Romania) PCS7 Compressor Control System retrofits for air liquefaction plants (7 multistage main O2 and N2- compressors). Supply of control cabinets, complete instrumentation, MMS, control & isolation valves. Control system SIL2 certified. Barka Power Station – Oman Compressor control systems inclusive instrumentation & master control with redundant PLC S7-400H and graphic operator panels for 3 fuel gas turbo compressors mounted in I&E container Sohar Power Station – Oman Compressor control systems inclusive instrumentation & master control with redundant PLC S7-400H and graphic operator panels for 3 fuel gas turbo compressors in I&E container Dragon Steel II. Taiwan Compressor control systems for 1 motor driven turbo compressor based on system Siemens S7 Arak C4 H2-Make-up Reciprocating Compressor Compressor control system TAIF I – Nishnekamsk Control system software with Allen Bradley Controllogix for 2 process air compressors Binzhou IV - China Multistage chlorine gas compressor: complete compressor control system with compressor control cabinet (PLC S7-300), supply of instrumentation & control valves

References 04/ 2011 26 of 28

2011 Chongqing Tianyan - China Multistage chlorine gas compressor: complete compressor control system with compressor control cabinet (PLC S7-300), supply of instrumentation & control valves Novokuibyshevsk Lubes and Additives Plant Make-up & Recycle Gas Reciprocating Compressors Compressor control systems with Yokogawa Stardom PLC and Yokogawa Prosafe safety system, Hoerbiger compressor performance control Saratov Refinery L-24-6 Unit Revamp Make-up Reciprocating Compressors Compressor control systems with redundant Allen Bradley Controllogix PLC Kokpatas II – Usbekistan Control system software for S7-300 for 3 process air compressors Linde Gas Ijmuiden I +II (Netherlands) PCS7 Compressor Control System retrofits for air liquefaction plants (12 multistage process compressors and expanders) Linde Gas Buna (Germany) PCS7 Compressor Control System retrofits for air liquefaction plant (3 multistage process compressors and expanders) Mosenergo TES-9 Power Station – Russia Compressor control system with redundant PLC S7-400HF and graphic operator panels for 1 fuel gas turbo compressor Petroleum Development Oman LCC Ghaba North Compressor Replacement Reciprocating Compressor Compressor control system with TMR Tricon PLC, MMS BN3500 and LV-MCC according Shell DEP standards Petronas Carigali Terengganu Malaysia Gas Turbine Control system Revamp for Crude Oil Export Pump with Controllogix PLC TITAN PETCHEM Malaysia Turbo-Expander control system revamp PLC Simatic S7 Daqing – China Compressor control system for 1 steam turbine driven turbo compressor based on redundant Siemens S7-412H and Woodward 505E

References 04/ 2011 27 of 28

Daelim Chlor – Saudi Arabien Multistage chlorine gas compressor control system with CCC Series 5 Vanguard controller for Antisurge Control, control system integration support in client DCS & ESD system and supply of instrumentation & control valves Blue Star China Compressor control systems for 1 motor driven turbo compressor based on redundant Siemens S7-414H Jordan India Fertilizer Company

Compressor control system for 1 steam turbine driven turbo compressor based on redundant Siemens S7-414H and Woodward 505 Shanghai II - China Multistage chlorine gas compressor: complete compressor control system with compressor control cabinet (PLC S7-300), supply of instrumentation & control valves Datong – China Compressor control system for 1 steam turbine driven recycle gas turbo compressor based on redundant failsafe Siemens PLC S7-414HF and Woodward 505 Jinniu – China Multistage chlorine gas compressor: complete compressor control system with compressor control cabinet (PLC S7-300), supply of instrumentation & control valves Sanyue - China Multistage chlorine gas compressor: complete compressor control system with compressor control cabinet (PLC S7-300), supply of instrumentation & control valves Essar Oil – India Redundant control system Siemens PLC S7-414H for natural gas compressor with redundant anti surge controller CCC Series 3++ LNG 6 turbo compressor control cabinets each with redundant PLC system for LNG Liquefaction Chiyoda BOG - ExxonMobil Papua New Guinea 2 turbo compressor control systems each with single Rockwell Controllogix PLC and CCC Series 5 controller for antisurge control Zhejiang Jiahua Fatty Alcohol Project – China 1 control system for Hydrogen Recycle Gas Compressor with single Siemens PLC S7-315 including instrumentation and bypass control valve

References 04/ 2011 28 of 28

Global Foundries - Germany instrument air unit extension project , supply of Master Control System and turbo compressor main motor MCC.