COMPANY PROFILE Established in 2006 in Serbia. PointComm Canada strategic partner. MAIN ACTIVITIES: Design and engineering of high voltage substations (GIS and AIS) up to 400kV Design engineering for power plants (electrical equipment only) 3D modeling of plants and substation System basic engineering: short circuit calculations, load flow studies, motor starting studies Commissioning and site supervision for TK HV projects Design and engineering coordination and technical negotiations with the client HIGHLY TRAINED STAFF Our staff has been involved on various projects and gained a lot of experience which is crucial for providing technical expertise necessary for most efficient and cost-effective project execution and completion. With both - design and commissioning experience on AIS and GIS substations on voltage levels from 6kV to 400kV, we can deal with any kind of project and be reliable engineering partner. CUTTING EDGE SOFTWARE Aucotec ELCad Aucotec Engineering base Autodesk AutoCAD Autodesk Inventor ePLAN P8 OTI ETAP Microsoft Office Suit

ENGINEERING SERVICE PRIMARY DESIGN LAYOUT AND ELEVATIONS Voltage levels up to 400kV GIS and AIS site plans, layouts, ducts and trench layouts, transformer bund details, access and egress drawings for installations and maintenance, hazard plans, CDM drawings, demolition drawings. PRIMARY EQUIPMENT VERIFICATIONS Inquiry documents, manufacturer specification verifications. LOADING CALCULATIONS Calculation of forces on primary equipment (from short circuit, wind, ice, sag & tension of spans), calculation of forces on support structures for primary equipment, calculation of forces on equipment foundations. CABLE ROUTING HV power cable routings, LV and multicore cable routings, trays and ladders layouts, sections, details and BoQ`s. EARTHING CALCULATIONS AND DESIGN Complete earthing system calculation using two or three layer soil model; equivalent grid resistance; production of following diagrams: GPR, Step voltage, touch voltage; optimization of grounding grid conductor sections and length; above and below ground layouts, earthing details and BoQ`s. INTERFACES interfaces with civil design, OHL / HV Cable contractors, Manufacturers of transformers, GIS, LVAC, DC, Aux. transformers etc… 3D MODELING Complete stations, parts of substation or details like transformer bunds, OHL down-leads, ladders and trays, buildings and trenches etc… REVERSE ENGINEERING 3D scanning of existing substations and creation of precise electronic documents of those...As build documentations Production of As build doc`s of all mentioned documents based on site markups.

ENGINEERING SERVICE SECONDARY DESIGN SLD and KLD Creations of SLD based on typical arrangements or client request, definition of primary equipment, definition of control & protection operation and principles. CT/VT CALCULATIONS Calculation of accuracy limit factors or knee points for all cores based on control and protection requirements. C&P LOGIC DIAGRAMS Logic diagrams of control and protection, inter-locking (mechanical and electrical), inter-tipping, auto close schemes, operational tripping schemes, trip logic etc.. CIRCUIT DIAGRAMS Production of circuit diagrams, wiring diagrams, cable lists, core sheets, equipment connection diagrams etc… SECONDARY EQUIPMENT SELECTION Based on tender requests, optimization of control and protection devices and functions, SCS equipment, metering, selection of small equipment in panels, BoQ`s… PROTECTION SETTING Calculations, relay parameterization for all leading manufacturers. PANEL GENERAL ARRANGEMENT Tentative or detail design of C&P panels as per selected secondary equipment. INTERFACE Within substation between all electrical systems (C&P, LVAC, DC, Fire fighting, transformers, GIS, primary equipment, SCS, Telecom, CCTV…), remote end modifications (replacement or retro fitting), National control center.

3D MODELING & VISUALISATION 3D REVERSE ENGINEERING ENGINEERING SERVICE 3D MODELING & VISUALISATION We provide the following 3D services to our customers: 3D concept design 3D visualisation 3D structural design 3D construction aid book As is 3D modeling / reverse engineering 3D REVERSE ENGINEERING AS-BUILT MODEL GENERATION Station 3D scanning 3D model generation of exiting substation Layout and elevation drawings based on existing situation Clash and electrical clearances check before detail design is started 3D models database of existing utility assets with all dimensioning accessible from the office

ENGINEERING SERVICE COMMISSIONING PSR’s highly skilled and competent engineers have made invaluable contributions to the successful testing and commissioning of various projects in the energy field. To meet the growing, stringent demands of the electricity sector, we use the latest in testing equipment and methodologies currently available. Our engineers are experienced in testing and commissioning the following: Gas Insulated Switchgear of any voltage level EHV and HV Transformers Generators and motors Capacitor Banks SCADA, communication systems, and Teleprotection LVAC and DC Systems Medium voltage switchgear Protection relays from many manufacturers including Areva (Alstom), Siemens, ABB, Toshiba and Mitsubishi.

PSR ENGINEERING SOLUTIONS PRIMARY DESIGN AND ENGINEERING PROVEN EXPERIENCE IN: HV Substation Layouts design Sections and elevation Equipment layout and interface with civil design GIS Building layouts/sections Control Cable routing (trays, ducting…) HV cable routing Grounding Design Battery sizing LVAC rating and design Aux. Transformers rating CONTROL AND PROTECTION Equipment rating calculations SLD and basic engineering Protection Logic Diagrams Control Logic Diagrams CT / VT Calculations Technical specification for equipment purchasing Protection Schematic Diagrams Panel manufacturing drawings Control System Architecture Panel wiring diagrams Cable schedules

PSR ENGINEERING CLIENTS SIEMENS - BELGIUM Primary & secondary design, system study, protection configuration, commissioning SIEMENS - TURKEY Control and protection schematics & interface documentation SIEMENS - UNITED KINGDOM Primary & secondary, design, interface documentation, protection relay, configuration SIEMENS - AUSTRIA Relay settings & commissioning (IEC 61850) ANDRITZ HYDRO - AUSTRIA Primary design, Commissioning NATIONAL GRID - UNITED KINGDOM Complete Engineering and Interfacing JOULZ - HOLLAND Control and protection schematics & interface documentation CG HOLDINGS - BELGIUM Commissioning NELSON CORPORATION - CANADA Protection Engineering and Interfacing MITSUBISHI ELECTRIC - UNITED KINGDOM primary design MITSUBISHI ELECTRIC - JAPAN PARSONS BRINCKERHOFF - QATAR Complete electrical design

REFERENCE LIST SIEMENS - BELGIUM 24/400kV, NUCLEAR POWER PLANT “TIHANGE”, BLOCKS 2 AND 3 EACH 1330MVA complete design of schematics for protection panels of generator, block transformer and 2 auxiliary transformers, busbar protection using siemens equipment with aucotec elcad software; generation of all the termination lists, cabling lists and panel layouts; testing and commissioning on site. 24/400kV, NUCLEAR POWER PLANT “DOEL”, BLOCKS 3 AND 4 EACH 1330MVA complete design of schematics for protection panels of generator, block transformer and 2 auxiliary transformers, busbar protection using siemens equipment with aucotec elcad software; generation of all termination lists, cabling lists and panel layouts; testing and commissioning on site. 15/150kV POWER PLANT "DROGENBOS", GT1 complete design of schematics for protection panels of generator, block transformer and auxiliary transformer using siemens equipment; generation of terminal lists, panel layout, BoM... SHUQAIQ TRANSMISSION PROJECT - WATER PUMPING & BLENDING STATIONS Saudi arabia (8 mv stations and 34 lv stations) EASTER PROVINCE WATER TRANSMISSION PROJECT - WATER PUMPING & BLENDING STATIONS Saudi arabia (1 hv station and 10 lv stations) project management ; hv/mv power transformer 115/13.8kv interface design and avr (epwts project only); mv schematics design (128 MV feeders; 37 MV motors from 350kW to 8400kW); mv protection relay parameterization and selectivity reports; lv basic design; power cables design; design of the complete grounding & lightning system for both projects. that included the installation details, above and below grounding layouts; site acceptance test reports; technical support for site testing and commissioning. POWER PLANT SCAARBEEK, 1 X 20MVA design of generator protection replacement schematic drawings (siemens relays); project coordination with client POWER PLANT DROGENBOS, 2 X 240MVA

SIEMENS – UNITED KINGDOM LEICESTER 132/33kV SUBSTATION basic design for 16 feeders 132kV and interface to 33kV. BOUGHTON ROAD 132/11kV SUBSTATION interfacing design for 2 x 60MVA gt’s and 36 bays on 11kV; cable tray design CREYKE BECK 400/132kV SUBSTATION interfacing design for 132kV side on sgt’s; 4 x 240MVA; RTU modification – incorporation of new signals. LOSTOCK 132 kV AIS SUBSTATION project management; complete engineering and design of hv equipment and station layout; complete design of control and protection system; interfaces, remote ends STELLA WEST 400 kV GIS SUBSTATION technical control of interface for complete SS - control and protection; technical control of secondary engineering documents. STUBLACH 132/33 kV AIS SUBSTATION complete engineering and design for hv equipment and station layout ; design of control and protection system; interfaces with client, civil, remote ends STELLA WEST, HARKER, HUTTON 400 kV SUBSTATION conceptual primary design drawings of 400kV MSCDN equipment (mechanically switched capacitor with damping network); various hazard and access plan drawings PENWORTHAM 400 kV SUBSTATION conceptual substation layout HOHE SEE 155/33 kV OFFSHORE WINDFARM SUBSTATION conceptual primary design drawings of 155/33kV offshore windfarm substation; various hazard and access plan drawings. ELSTREE 400/275/132 kV SUBSTATION conceptual primary design drawings of 400kV GIS and AIS equipment, 132kV demolition drawings in stages. BURTON 132/33/11 kV SUBSTATIONdesign of control and protection system 275kV HEDON AIS SUBSTATION remote ends interface works for humber gateway project 400kV HIHGBURRY PARK SUBSTATION primary design documentation 275kV BEDDINGTON SUBSTATION schematic diagrams and interfacing on SGT3b 240MVA transformer and protection replacement 400kV LEAN BUILD DESIGN SUBSTATION

NATIONAL GRID - UNITED KINGDOM 66kV PENNY HILL AIS SUBSTATION FOR WIND FARM complete engineering and design of control and protection system; interfaces with client 400/275/132kV AIS SUBSTATION BLACKHILLOCK many different conceptual design documents for primary and control and protection part CREYKE BECK 400/132kV SUBSTATION interfacing design for 132kV side on SGT’s; 4 x 240MVA; rtu modification – incorporation of new signals. STELLA WEST SUBSTATION fourstones/SGT9 interface for "re-conductoring" scheme protection settings and calculations of protection parameters for various substations BEDDINGTON 400/275/132 kV SUBSTATION super-grid transformer 240MVA replacement , design of control and protection system (siemens and alstom relays); project coordination with client; interfaces COALVILLE 132/33 kV SUBSTATION (mesh corner SS, 4xOHL, 2x90MVA TR) complete design of control and protection system (siemens & alstom) on important station; job was done in 8 stages to reduce outages; project coordination with client; interfaces; relay settings and parameterisation SIEMENS - TURKEY 132/33kV SUBSTATIONS “NT33 & NT38” IN IRAQ multiplication of schematic diagrams; generation of terminal diagrams, cable lists. 400/132kV SUBSTATION “KHOUR AL ZUBAIR” IN IRAQ complete engineering and design of control & protection system and auxiliaries;generation of terminal diagrams, cable lists; cubicle general arrangement and secondaryequipment selection; interface with existing busbar/cbf protection, power supplies, avc,synchronizing & voltage selection, interlocks, telecom. NATIONAL GRID - UNITED KINGDOM 275/66kV BLYTH SUBSTATION complete engineering and interfacing for auto-closing scheme of three SGTs; terminal diagrams, cable lists, logic for controller. NELSON CORPORATION – CANADA 12kV BONNINGTON GENERATING STATION UNIT 4 generator neutral earthing cubicle replacement and generator protection engineering and interfacing FABRICOM – BELGIUM 150kV POST ZANDVLIET interface and wiring design, protection replacement for cable circuit

MITSUBISHI ELECTRIC - EUROPE, KUWAIT GIS SUBSTATIONS JAHRAA AND KIFAN power cable design for 300kV, 132kV and 33kV MITSUBISHI ELECTRIC - JAPAN COMMISSIONING JOBS IN A FEW PROJECT SIreland, huntstown power station, neutral grounding cubicle replacement Kuwait, sabiya thermal power plant, mv swg, testing of control and protection system Kuwait, burgan thermal power plant, mv swg, testing of control and protection system Russia, ammoni taf fertilizer plant, mv/lv/mcc swg, testing and commissioning CG HOLDINGS – BELGIUM 132/33kV KAPPARA SUBSTATION, MALTA commissioning of 132 & 33kV switchgear, protection relays, lvac, dc, batteries, power transformers, interfaces SAUDI ELECTRICITY COMPANY SEC COMMISSIONING OF 5 MOBILE SUBSTATIONS 132KV AIS/33KV GIS/11KV AIS Testing and commissioning of 132, 33 &11kV gis and ais equipment and auxiliaries. testing functionality, primary devices, protection devices (siemens, alstom) etc. JOULZ – HOLLAND Eemshaven 400/220 kV SUBSTATION (One diameter, 1xGEN, 1xFeeder) Complete replacement of Control system (Siemens) on important station; job was interfered with other active projects in the same time; Conversion of all technical documents to Elcad was done and all interface documents generated; Project coordination with Client; interfaces PARSONS BRINCKERHOFF – QATAR QATAR EXPRESSWAY PROJECT Complete electrical design on widening of existing roads to expressways – dislocation of existing power stations and cables and proposals for future ; Project coordination internally and with Client; Interfaces with other utilities like civil, water, sewerage, telecom, etc. ANDRITZ HYDRO – AUSTRIA CERRO DEL ÁGUILA HYDRO POWER PLANT – Peru, 3 x 210MVA in total Three sites in total within our primary design scope: Step-up Transformer and 220kV switchgear cavern design (250m below the ground); Vertical shaft and tunnel, design of power cable routing and supports; Pothead Yard 220kV, primary design (site on extreme mountain slope); New Campo Armino 220kV, primary design (extension of existing station)The following detail design has been in place for these 3 sites: Layout and Sectional Drawings; Civil interface drawings; Mechanical calculations for conductors and structures; Primary equipment support structures detail design and workshop documents; Earthing and Lightning System; Primary Clamps and conductors; BoM for above mentioned

CONTACT INFORMATION PSR ENGINEERING SOLUTIONS D.O.O. Dr. Milutina Ivkovica 2a 11000 Belgrade, Serbia Phone/fax: +381 11 2648 737 e.mail: office@psr.co.rs Web page: www.psr.co.rs