DOĞAN ENGINEERING ELECTRICITY, INDUSTRY & TRADE LTD.CO.

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2 DOĞAN ENGINEERING ELECTRICITY, INDUSTRY & TRADE LTD.CO. Our Company was established in 1991 to work in construction sector, particulary in electrical, electronical and civil works both in Turkey and abroad. Our mission and quality policy is to complete the projects undertaken in time, reducing the customers complaints to minimum by keeping pace with technological developments and with conscience of quality, reliance and enviroment, thanks to our experienced staff, indiscriminating the work and work place and to be a preferred and elite company in the sector. ACTIVITY FIELDS CONTRACTING WORKS FOR ELECTRICAL AND ELECTRONIC SYSTEMS * HV, LV DISTRUBUTION SYSTEMS, SUBSTATIONS * AIRPORT AIRFIELDS GROUND LIGHTING SYSTEMS * TURN KEY PROJECTS INCLUDING CIVIL WORKS * LOW, HV DISTRIBUTION PANELS AND SYSTEMS * INTERNAL AND EXTERNAL ILLUMINATION, LIGHTING * DIESEL GENERATOR GROUPS, FREQUENCY CONVERTERS * BUILDING AUTOMATION,CONTROL AND ELECTRONIC SYSTEMS * COMMUNICATION AND INFORMATION PROCESSING NETWORKS * TERMINAL BUILDING ELECTRONIC SYSTEMS, * UNINTERRUPTED POWER SUPPLIES * ROAD AND AREA LIGHTING * AIRFIELD FLIGHT INSTRUMENTS * TELEPHONE EXCHANGES * PRESTIGE BUILDINGS ELECTRICAL SYSTEMS, * FIRE ALARM AND EXTINGUISHING SYSTEMS, * TURNKEY PROJECTS, INSTALLATION, COMMISSIONING AND MAINTENANCE OF UNDERGROUND CABLE NETWORKS AND HIGH VOLTAGE PLANTS INCLUDING SUPPLEMENTS. Address : Çetin Emeç Bulvarı 1322.Cad.(6.Cad.) No:51/ A.Öveçler - ANKARA, TURKIYE Tel: : +90 (312) Fax : +90 (312) Web :

3 DOĞAN ENGINEERING ELECTRICITY,INDUSTRY&TRADE LTD.CO. Ç.E.Bul. 6.Cad. 51/ Öveçler/ANKARA/TURKIYE Tel : (Pbx) Fax: DOĞAN ENGINEERING LIST OF KEY PERSONNEL NAME AND SURNAME TITLE Burhan DOĞAN Elect. Engineer General Manager Hasan DOĞAN Entrepreneur Asistant of General Manager Kuvvet SAZAK Elect. Engineer Coordinator Yusuf ERDOĞAN Civil Engineer Coordinator Alaattin KARAAĞAÇ Financial Consultant Coordinator Dengin DOĞAN Accounting Director Nur DOĞAN Elect. Engineer Ergün KARACA Mech. Engineer Cihan DALCALI Civil Engineer M.Asım AKAY Civil Works Musa DEMİRTAŞ Electronic Technician Doğan DERYAHANOĞLU Electrical Technician İsa DOĞANER Civil Technician Musa ALICI Formen Halil CANBEK Formen Emine KAHVECİ TOP Secretary Nuray YILMAZ Office Personel Helime BİLİR Kitchen Personel

4 DOĞAN ENGINEERING ELECTRICITY,INDUSTRY&TRADE LTD.CO. LIST OF ONGOING PROJECTS BY DOGAN ENGINEERING No: Country NAME AND PLACE OF WORK Last payment report total YEAR SUBJECT OF THE WORK 1 Iraq Suleymaniye/Iraq New Sulaimani University Campus ,00 USD Ongoing University Of Suleymani New Campus Construction College Of Economics Electrical Works 2 Iraq Suleymaniye/Iraq New Sulaimani University Campus ,00 USD Ongoing University Of Suleymani New Campus Construction Mv.Lv And Wc Site Distribution Infrastructure And Electrical Works 3 Turkiye Vaious Cities Various Radar Stations , 00 Euro Ongoing Renew Existing Radar Stations And Additional Needs Project 4 Oman Muscat Muscat Airport ,38 USD Ongoing 5 Turkiye İstanbul Atatürk İnternational Airport ,93 TL Ongoing 6 Turkiye Elazığ Elazığ Airport ,08 TL Ongoing 7 Turkiye Canakkale Canakkale Power Station ,00 TL Ongoing Ministry Of Transport And Communucation, Development Of Muscat International Airport İstanbul Atatürk International Airport Renev 06/24 runway Electrical Works And Runway Lighting System Cat III Elazığ Airport Superstructure Buildings and Auxilary Buildings Construction Project Çanakkale Airport H.V. System Revision and Construction of Power Station Electrical Electronic Systems

5 DOĞAN ENGINEERING ELECTRICITY,INDUSTRY&TRADE LTD.CO. DOGAN ENGINEERING LIST OF COMPLETED PROJECTS BY DOGAN ENGINEERING No: Country NAME AND PLACE OF WORK YEAR SUBJECT OF THE WORK 1 Turkiye Iğdır Iğdır Airport 2011 Runway Lighting System Of Igdir Airport 2 Turkiye Balikesir Balikesir Gulf Airport 2010 Runway Lighting System Of Balikesir Gulf Airport Akçadağ SSR Radar Station Electrical Works, Mechanical Works And Power Transmision 3 Turkiye Antalya Akçadağ Radar Station 2009 Line Zine El Abidine Ben Ali International Zine El Abidine Ben Ali International Airport Tunway And Apron Lighting Infrastructure 4 Tunis Tunis 2009 Airport And Installation Work 5 Turkiye Elazığ Elazığ Airport 2009 Elazığ Airport Construction Of New Runway And Miscellaneous Pat Area 6 Kosovo Prishtine Prishtine Airport 2009 Kosova Prishtine Airport Runway Lighting System 7 Turkiye Şanlıurfa GAP Airport 2009 Şanlıurfa GAP International Airport 8 Turkiye Çanakkale Çanakkale Airport 2009 Çanakkale Airport Apron Construction 9 Turkiye Bartın/Amasra Bartin Heliped 2009 Coast Guard Bartin Amasra Heliped Complex Construction 10 Turkiye Antalya Antalya Heliped 2009 Coast Guard Antalya Heliped Complex Construction 11 Turkiye Antalya Antalya International Airport 2009 ANTALYA Airport Ground Lighting System 12 Afganistan Baghram Baghram Airport 2008 Afganistan Baghram Airport Parallel Taxiway And Apron Lighting System Electical Works 13 Turkiye Kars Kars Airport 2008 Pat Fields Repair Of Kars Airport 14 Turkiye Ağrı-Erzurum Ağrı And Erzurum Airports Papi Lighting System Installation To Agri Airport And Papi Lighting System And directing Lghting System Installation To Erzurum Airport 15 Turkiye Çorlu Çorlu Airport 2008 Çorlu Airport Papi Lighting System And Routing Lights Provided And Installation 16 Turkiye Antalya Antalya International Airport 2008 Antalya International Airport Restoration Of Military Runway And Pat Area 17 Iraq Al-Asad American Base Al-Asad Airport 2008 Complete airport Ground Lighting work 2 ( CAT II) runways 18 Iraq Al-Asad American Base Al-Asad Airport (11 Kv) 2008 Renovation of HV and LV Systems of the Airport (11kV) 19 Turkiye Istanbul Atatürk Airport 2008 Atatürk Airport Restoration of PAT areas 20 Turkiye Mardin Mardin Airport 2008 Mardin Airport Ground Lighting Works 21 Turkiye VAN VAN Airport 2007 Van Airport Restoration of PAT areas, Extension of apron and Construction of turning pad at the end of the runway.. 22 Turkiye Ankara Divan Otel 2007 Divan Otel Electrical Works 23 Turkiye K.Maraş Kahramanmaraş Airport 2007 Renovation of Approach Lights to Satisfy ICAO Requirements of Kahramanmaraş 24 Turkiye Kars Kars Airport 2007 Airport Ground Lighting System 25 Turkiye Urfa Urfa GAP Airport 2007 Complete airport Ground Lighting work for CAT II Runway, Terminal Building, Complementary Buildings Electrical Works 26 Iraq Al-Asad American Base Al-Asad Airport 2008 Complete Airport Ground Lighting Work 2 ( CAT II) Runways 27 Turkiye Mugla Dalaman Airport 2007 Complete airport Ground Lighting work and upgrade of parallel taxiway to CAT II runway 28 Turkiye Izmit Cengiz Topel Airport 2007 Complete Military Airport Ground Lighting System 29 Turkiye İstanbul GATA Hospital 2006 The Electric Works of the Construction of Gata Camhca Bakimevi 30 Afghanistan Mazar-i Sherif Mazar-i Sherif Airport 2006 Parking Apron lighting of Mazar-i Sherif 31 Afghanistan Kabul Kabul Int. Airport 2006 SFL supply and installation 32 Iraq Mosul Mosul Airport 2005 Airport Ground Lighting System

6 DOGAN ENGINEERING LIST OF COMPLETED PROJECTS BY DOGAN ENGINEERING No: Country NAME AND PLACE OF WORK YEAR SUBJECT OF THE WORK 33 Turkiye Gaziantep Gaziantep Airport 2005 Installation of Electrical and Electronic Systems of Terminal Building 34 Turkiye Trabzon Trabzon Airport 2005 New Regulator Building and renovation at the approach lights. 35 Turkiye Erzincan Erzincan Airport 2005 Renovation of HV and LV Systems of the Airport 36 Iraq Erbil Erbil-Hawler International Airport 2004 Runway substructure and Airport Ground Lighting and NAVAIDS equipments. 37 Turkiye Nevşehir Nevşehir/Kapadokya Airport 2004 Maintenance and repairment contract with airport Authority 38 Turkiye Ankara Ankara DHMİ 2003 Supply of AGL equipment from ALSTOM 39 Turkiye Burdur Burdur GSM Telephone Substructure 2003 AYCELL GSM (cellular phone) Telephone network substructure works 40 Turkiye Ankara GATA Hospital 2003 Electrical system renovation 41 Turkiye Ankara Ankara Municipality 2003 Supply of inflated lighting projectors 42 Turkiye Ankara Ankara Municipality 2003 Supply of various Electrical Equipments 43 Turkiye Tekirdağ Tekirdağ - BOTAŞ 2003 Substructure for the MV cables at the LPG Terminal 44 Turkiye Tokat Tokat G.O.P. University 2002 Electrical Electronical Substructure works 45 Turkiye Gaziantep Gaziantep Airport 2002 Terminal Buildings Electrical and Electronical Installations 46 Turkiye Bursa Bursa Airport 2002 Airport Ground Lighting work 47 Turkiye Muğla Dalaman Airport 2002 Installation of Air Ventilation and Repairing Construction works 48 Turkiye Muğla Dalaman Airport 2002 Renovation of Ground Lighting System Cables 49 Turkiye Istanbul Atatürk Airport 2002 Installation of Electrical, Electronic Systems of Training Center 50 Turkiye Muğla Dalaman Airport 2002 Changing Runway Lighting Cables 51 Turkiye Antalya Antalya Airport 2002 Work for direction Signs 52 Turkiye Antalya Antalya Airport 2002 Construction of Pavement and Borders 53 Turkiye Ankara Esenboğa Airport 2002 Installation of Electrical, Electronic Systems of Tower and Radar Simulator Training Center 54 Turkiye Gaziantep Gaziantep Airport 2002 Airport Ground Lighting Work 55 Turkiye Nevşehir Kapadokya Airport 2001 Installation of Runway Approach Lights 56 Turkiye Tokat Tokat Airport 2001 Wire Netting and Security Lighting Systems 57 Turkiye Siirt Siirt Airport 2001 Runway Illumination and Wire Netting and Security Lighting Systems 58 Rusia Russia UFA 2001 Leon Social Facilities 59 Turkiye Istanbul İkitelli Tax Office 2001 Tax Office Electrical & Electronic systems and Transformer Installation 60 Turkiye Adana Adana Airport 2000 Construction of Border Wall and ENH Line Installation 61 Turkiye Adana Adana Airport 2000 Car Park Lighting Work 62 Turkiye Çanakkale Çanakkale Airport 2000 Wire Netting and Security Lighting Systems 63 Turkiye Erzincan Erzincan Airport 2000 Wire Netting and Installation of Lighting System of Security Sentry Booths and Guardhouse Building 64 Turkiye Malatya Malatya (Erhaç) Airport 2000 Illumination of Apron, Car Park and Entrance Way, Illumination System of Guardhouse Building 65 Turkiye Esenboğa Esenboğa Airport 2000 Construction of Axis Enlargement of C Terminal and Installation of Electrical, Electronic and Transformer of C Terminal 66 Turkiye Dalaman Dalaman Airport 1999 Wire Netting and Security Lighting Systems 67 Turkiye Dalaman Dalaman Airport 1999 Installation of Broadcast System of O.G Transformer Plant and Central Satellite 68 Turkiye Dalaman Dalaman Airport 1999 High Masts and Lighting of Car Park 69 Turkiye Esenboğa Esenboğa Airport 1998 Increasing Power of Power Supply Exchange to 8 MVA 70 Turkiye Esenboğa Esenboğa Airport 1998 Renovation of H1 and H2 Regulator OG Cells, Construction of VISAX Cell 71 Turkiye Erzurum Erzurum Airport 1998 Illumination of Terminal Building, UPS, Fire Announcing System

7 DOGAN ENGINEERING LIST OF COMPLETED PROJECTS BY DOGAN ENGINEERING No: Country NAME AND PLACE OF WORK YEAR SUBJECT OF THE WORK 72 Turkiye Van Van Airport 1998 Electrical System of Terminal Building and Transformer Center 73 Turkiye Dalaman Dalaman Airport 1998 Power and Remote Control System of ILS Systems 74 Turkiye Dalaman Dalaman Airport 1997 Lighting of Parallel Car Road and Apron 75 Turkiye Denizli Pamukkale University 1997 Turnkey Delivery Installation of Electrical & Electronic Systems of Faculty of Administrative Sciences 76 Turkiye Istanbul Atatürk Airport 1997 Installation of High & Low Voltage Systems of THY (Turkish Airways) Temporary Workshops 77 Turkiye Esenboğa Esenboğa Airport 1997 Lighting of Terminal Building, UPS, Fire Announcing System of Esenboga Domestic Flights Terminal 78 Turkiye Tokat Tokat Airport 1997 Construction of ENH, Generator Plant and Transformer Center 79 Turkiye Esenboğa Esenboğa Airport 1997 Alteration of AG Panels and OG System, Vacuum VISAX Cell Plant 80 Turkiye Dalaman Dalaman Airport 1997 Park Lighting with Masts 81 Turkiye Adana Adana Airport 1997 Park Lighting with Masts 82 Turkiye Ankara Ankara Regional Directorate of Garanti Bankasi 1996 Turnkey Delivery Electrical & Electronic Systems 83 Turkiye Ankara Headquarter of Konkur Inc Turnkey Delivery Electrical & Electronic Systems 84 Turkiye Isparta Isparta Airport 1996 VOR and SSY Devices Feeders and Remote Control 85 Turkiye Sinop Sinop Airport 1996 Ground Lighting Systems 86 Turkiye Eskişehir Anadolu University Airport 1996 Ground Lighting Systems 87 Turkiye Ankara EBIS Building of Vakiflar Bank 1996 Renovation of Power Distribution System 88 Turkiye Antalya Natureland Complex of Favori Hotel 1996 Turnkey Delivery Electrical & Electronic Systems 89 Turkiye Ankara Supreme Board of Radio and Television Broadcasts (RTUK) 1995 Turnkey Delivery Electrical & Electronic Systems 90 Russia Moscow Voljrojdenie Bank Elektrostal Branch 1995 Turnkey Delivery Electrical & Electronic Systems 91 Russia Moscow Voljrojdenie Bank, Voskresensk Branch 1995 Turnkey Delivery Electrical & Electronic Systems 92 Russia Moscow Voljrojdenie Bank, Istra Branch 1995 Turnkey Delivery Electrical & Electronic Systems 93 Russia Moscow Voljrojdenie Bank, Volgodonsk Branch 1995 Turnkey Delivery Electrical & Electronic Systems 94 Russia Moscow Voljrojdenie Bank, Noginsk Branch 1995 Turnkey Delivery Electrical & Electronic Systems 95 Russia Moscow Voljrojdenie Bank Klin Branch 1994 Turnkey Delivery Electrical & Electronic Systems 96 Turkiye Ankara Business Center of Emek inşaat İşletme Inc Turnkey Delivery Electrical & Electronic Systems 97 Turkiye Ankara Central Branch of Halk Bankasi 1994 Turnkey Delivery Electrical & Electronic Systems 98 Turkiye Balıkesir Vakiflar Bank, Bandirma Branch 1994 Turnkey Delivery Electrical & Electronic Systems 99 Turkiye Ankara Emlak Bank, Central Branch 1994 Turnkey Delivery Electrical & Electronic Systems 100 Turkiye Ankara Emek Inşaat Işletme Inc, Lale Business Center 1993 Renovation of Power Panels 101 Turkiye Ankara SerefliKochisar Small Industrial Zone 1993 A.G. + O.G Electrical System 102 Turkiye Ankara Ulus Supplemental Building of Ziraat Bank 1993 Turnkey Delivery Electrical & Electronic Systems 103 Turkiye Ankara Facilities of Tepe Furnitures 1992 Installation of 1000 KVA Transformer Center 104 Turkiye İzmir Adnan Menderes Airport 1992 Remote Control and Power Supply of RVR System 105 Turkiye Erzincan Erzincan Airport 1992 Remote Control and Power Supply of VOR System 106 Turkiye Ankara TRT Studies 1992 Full Grounding System 107 Turkiye Ankara Ministry of Finance 1981 Electrical Electronic Systems of Information Processing Building 108 Turkiye Ankara Esenboğa Airport 1989 Work Management of 2. Runway Illumination Systems 109 Turkiye Ankara Esenboğa Airport Installation and Maintenance of Airport Operation Systems

8 SELECTION OF COMPLETION CERTIFICATES

9 WORK EXPERIENCE CERTIFICATE (Contractor Work Completion) Date: 03/04/2012 No: 15.25/ Business Owner : General Directorate of State Airports Operations 2. Employer: : EKO İNŞAAT VE TİCARET A.Ş. 3. Name of the work and if available tender registration number : ATATURK AIRPORT 06/24 THE WORK OF AIRFIELD MAINTANENCE AND EXTENDING. 4. Place of Work : ISTANBUL/ ATATURK AIRPORT 5. Name and surname of the Contractor and Trade Name of the Contractor : DOGAN MÜHENDİSLİK ELEK. SAN. VE TİC. LTD. ŞTİ. 6. T.R. ID Number and Tax ID Number : The part of the work done by subcontractor : 06/24 and 17/35 airfields CAT III Airfield lightening system, the works of electricity system mounting and putting into use of the regulator building and organizing by remote control with the addressed and led armatures. 8. Applied Construction Technique : By mounting of addressed remote control system in compliance with Category III Standards Led Armatures, putting into use and complete transformer building mounting. 9. Contract Date of the main work : 10. First Contract amount of the main work : 11. Total contract amount of the main work : 12. The contract date between the contractor : 15/03/2010 and the subcontractor 13. The amount of the contract between the : 2,767,261,93 TL contractor and the sub contractor 14. Partial Acceptance date of the work done : 28/12/2011 by subcontractor 15. Temporary acceptance date of the main : work 16. Amount of the document : 6,159,574,19 TL Signed and sealed Eko Insaat and Ticaret A.S. (Eko Construction and Trade Inc.) Halim F. BALKAYA General Director

10 WORK EXPERIENCE CERTIFICATE (Sub-Contractor- Work Completion) Administration as the work owner: Employer: Title and tender registration number, if any, of the basic work: Location where the work has been performed: Name and trade name of the subcontractor: R.T. Identity No. I Tax Identity No. GENERAL DIRECTORATE OF STATE AIRPORTS AUTHORITY Gtinay in~. Ltd. $ti. + Gtinbeton in~. Tic. A.$. + Aryap1 in~. San. Tic. A.$. Joint Venture Construction of $anhurfa (GAP) International Airport $anhurfa DOGAN Mtih. Elk. San. Tic. Ltd. $ti. Ba~kent Tax Office: Section of the work, which has been performed by the sub-contractor: Construction technique applied: Electric-Electronic Systems to be supplied and installed within the structure of the $anhurfa (GAP) International Airport Construction work Runway Illumination System, E.N.H. Work, O.G. Distribution System, O.G. Scada System, Computer Controlled O.G. Output Diesel-Electrogen Group Installation, Interior and Exterior Illumination Installation, Elevator Installation, ISDN Telephone Switchboard and Line, Fire Warning System The date of contract for the basic work: 10. Value of contract for the work: TL 3,000, (based on 1997 Unit Price) 11. Total contract value for the basic TL 10,044, (based on 1997 Unit Price) work: 12. Date of the contract concluded by the I sub-contractor with the contractor: 13. Value of the contract concluded by TL 715, (based on 1997 Unit Price) the sub-contractor with the contractor: 14. Completion date of the work carried out by the sub-contractor: 15. Date of provisional acceptance for the (Date of Provisional Acceptance) basic work: 16. Sum of the certificate: TL 659, (based on 1997 Unit Price) (Signature) FundaOCAK Deputy General Director (Signature) Orhan BiRDAL General Director Konya Yolu Etiler I ANKARA For detailed information: PleasT~O'iil~ct with Salih GDNAY, Civil Engineer, Tel: : sgunaylaldhmi.gov.tr Web:

11 REPUBLIC OF TURKEY MINISTRY OF TRANSPORTATION, MARITIME AFFAIRS AND COMMUNICATIONS General Directorate of Railways Ports and Airports Construction ANKARA Number: B.11.0.DLH / /12/2011 Subject: Work Experience Certificate (Work Completion) WORK EXPERIENCE CERTIFICATE (Contractor Work Completion) 1. Owner of the Work : General Directorate of DLH Construction 2. Name and tender registry number, if any, of the Work : Construction of Iğdır Airport Infrastructure Supply and Miscellaneous Works 3. Place where the work has been : Iğdır executed 4. Building Technique Applied : Infrastructure Construction, Concrete-Covered PAT Areas (Runway, Apron, Taxi route, Boundary Wire Fence, Boundary Way, Runway Lighting System, Boundary Lighting, Low Tension and Middle Tension Electrical Works) 5. Name, surname or trade name of : EMT İnş. Tur. San. ve Tic. A.Ş. the contractor 6. TR ID Number / Tax identification : Metropolitan Tax Office No. 7. Partnership ratios if it is a : -- business partnership 8. First contract price : TL 20,817, Total contract price : TL 24,978, Amount of the work realized : TL 24,978, Contract Date : If the contract was assigned a. Assignment Date : --- b. Amount of the work on : --- assignment date c. Amount of the work after the : --- assignment 13. Provisional acceptance/liquidation : or settlement date of the work 14. Amount of the document : TL 24,978, (Twenty four million nine hundred seventy eight thousand nine hundred ninety nine lira thirty six kuruş) This document was issued based on the petition of the contractor EMT İnş. Tur. San. ve Tic. A.Ş. dated 22/11/2011 and number 02-12/BD-20011/054. <signature and seal> Erol ÇITAK Deputy General Manager On behalf of Minister

12 Conceding Authority I Authorite Concedante I idare Employer I Employeur I i!iveren Project Name I Nom du Pro jet I Projenin ado Engineer /lngenieur I M O!iavir Loan I Creditaire I Kredl Kurulu!ju Country I Pays I Ulke Contractor I Entrepreneur I M Oteahhit Taxa Identity Number I Matricule Fiscale I Vergi Klmlik No CERTIFICATE OF WORK COMPLETION CERTJFICAT D'ACHEVEMENT DES TRAVAUX i~ BiTiRME BELGESi "TUNiSiA I OACA I Office de l'a"'ation Civile et des Aeroports : "TUNIS IE I OACA I CiVIl Aviation and Airports Office 1UNUS I OACA I Sivil Havacohk ve Hawalanlart ldaresi Date I Tarih TA V I Tepe Akfen Investment Construction and Operation Co. Tunusia Branch : TAV I Tepe Alden investissement Construction et Operation Co Succursale en Tunisie TAV I Tepe Alden Yatonm ln~aat ""' ~letme A$. Tunus $ubesi Installation of Runway Apron Taxiway Electncal Ground Ughting System including substructure and other CMI Works at Zine El Abidine Ben Ali International Airport at Tunusoa.. T ravaux dinfrastructure et de montage de Systeme cr eclairage des Platformes : Piste-Parking Avion-voie de corculation de raeroport international de line El Abidine Ben All Entidha Tunisia Tunus.Zine El Abidine Ben Ali Uluslararaso Havaalanondaki Pist Apron Taksiyolu Ayd1nlatma Sistemlen Altyap1 ve Montaj i!?len ile diger ln~aat Altvao1 islerinin Yao1m1 : APAVE : FIF &IFC : Tunisia I Tunisie I Tun us DOGAN ENGINEERING Electnclty.lndustry and Trade Ltd. Co. : DOGAN INGENIERIE Electricite lndustrielle et Commerciale STE ()()(;AN MUHENDISLIK Elektrik Sanavi ve Ticaret L TD.ST1. M.F.:OOO I M /A / I J (TN) : Ba~kent V.D. Dairesi : (TR) First Contract Amount I Premier Montant du Contrat I ilk Sozle!jme Bedell : 1.921, E - ( Without VAT ) I ( HTVA ) I ( KDV Hari<;: ) Total Contract Amount I Montant Total du Contrat 1 Toplam Sozle!jme Bedell : E - ( Without VAT ) I ( HTVA ) I ( KDV Hari9 ) Date of Signing of the Contract I Date de Signature du Contrat 1 Sozleljma Tarihi : Work Commencement Date I Data de Commencement ll!i Ba~lama Tarihi : Work Completion Date I Fin du Travaux I i'j Bltim Tarihi : Final Handover Date I Reception Definitive I Kesin Kabul Tarihi : Certificate Amount I Montant du Cerificat I Beige Tutan : 4.573, ( Without VAT ) /( HTVA )/ ( KDV Hari<;:) COMPLETED QUANTlTIES OF PROOUCTlON OF ALL WORK ITEMS LES QUANl"ITES ACHEVEES DE PROOUCTlON DE TOUS LES ARTICLES DE TRAVAIL T AMAMLANAN TOM 1$ KALEML.ERlNiN MIKTARLARJ TOTAL QUANTITIES I QUANTITEES CIVIL WORKS I TRAVAUX DE GENiE CiViL I in:;laat 1:;;1 TOTALES ITOPLAM MiKTAR Excavation I Excavation I Her Clns KaZJ Yapotmao1 : m 3 Transportation of tl1o Excavatood Material/Transportation do Materiaux d'excavation I Kaz1lan llhlzemonin Nakll : m Earth Refilling and Compaction I Remblais at Compactaga I Toprak Ooigu Yapolmaso ve Kompaktorie S1kl~tlnlmas1 : 37,593 m Backfilling witl1 Sand I Romblais par sable I Kum Geridolgu : m Installation of PVC Pipes I Installation des tuboo PVC I PVC Boruiann 069enmasi ( mm diameter! : m Workmanship for scaffolding I Main d'oeuvre pour 6chaf:ludages I Her TOriO Kahp imalatl : m- : Hand holes Manholes Handholes (1,55"1,36'1,301 / regard (1,55"1,35"1,301 Manholes (2,0"2,0"2,0) I Trou m d'hommo (2,0"2,0"2,01 : 2200 ad I pes/ ea I 227 ad/ pes I ea Reinforced technical utilities gallery/ Galeries Techniques en baton anne/ Betonanne teslsat galerisl : 2010m Workmanship for reinforcement stool/ Travaux metalllques 1 Demir i~yillgl : kg Workmanship for concrete I Travaux de be!dn I Oemirsiz Beton l~vi ligi : m3 Workmanship for reinforced concret8 / Travaux do baton renforceo / Oemirtl Beton l~vili91 : m3 ELECTRICAL WORKS I TRAVAUX ELECTRIQUES I ELEKTIRIK 1~ 1 : 3000 mt runway CAT 1- CA Til Airport Ground Lighting (Approach,Sequential Flashing Ughts,RTIL lamps,papi, Runway edge, Taxiway edge, Guidance signs, Airport identification Beacon, Illuminated road traffic stop signs,llluminatood wind direction in di~ator,atc signal light gun. wig-wag lights I '""1// Ballsage de 3000 m de Ia piste CAT I- CAT II (Approche, flash Sequentielle. Lampes sortie rapide, PAPI. Bard de piste, Bard des voies de circulation, Panneaux indlcateurs, Far toumant. de ridentification de I" aeroport. Signa de stop pour traffic, indicateur de direction du v ent, Feu d ~obsbcle de tour de control, Feu d ~ant i- incursion WiG-WAG. "--m 3000 Metre Pist CATI - CAT II HavaalanJ yer ayd1nlatmas1 (Yakla~ma,Sirall Flash isll<lan, RTIL Lambalan, PAP I, Plst Kenar, Taksi Kenar, Yonlendirma Lavhalan, Hav.. lano Balirieyicl l~aret "'klan, Ayd~niatmah yol Trafik Our i~oratlarl, Aydonlatmah ruzgar yon beliriayci, Havaalan1 Kontrol Kulesi Slnyall~lk Lambasu ve WIG-WAG l'oklan Complete AGL system I Systeme de Balisage Complet /Kemple pist aydmlatma sistemi Supply and installation of primary cable I Foumiture at pose de cable primaire I Primer Kablo tomini ve Montaj1 : m Supply and installation of secondary cable / Fournitura at pose da cable secondaire /Sekondar Kablo Tominl VG Montajo : m Supply and installation of feeder cable I Fourniture et pose de cable d'alimantation /Sasleme Kablosu Tamini ve Montajr ::t' : ',' m J Supply and Installation earthing conductor (25 mm2l /Foum1tur at pose de fil da terre /Topraklama ilotkeni Tamini va Montajl : m ~ - --! i.. -- i ' ~s ~~P" ~ -:- '! "- r. :.o. -~ : _._... ;---. \ ' ~ - ~~ -. - ' 2 ~~ ~ _ :r:.-_ ~ - ~--'.'.~,~.-:. _,,.\~ \ " i. ; --...:. i ~ - :.."J I.. - &. ~"- ~- - - _, l. ~ _., ;;, '{\.~~,. ' '.\ :cu ~ous l't:a e f' e..., -1'3nncaT! Qfi ~

13 Safegate Group HQ Djumagegatan 19 SE Malmo, Sweden Phone: Fax: Malmo, Sweden Regarding TAV. Muscat, Oman Dear Sirs, Dogan Muhendislik Ltd. Sti is an expert firm about the Airfield Ground Lighting installation which we cooperated with at several projects in the past such as Tunisia Zine El Abidine Ben Ali International Project, Turkiye Urfa GAP International Airport and Turkiye Cengiz Topel Airport etc. We are satisfied with their performance at the installation of our equipments and systems. We established close relation about the problems encountered during the installation. As a result of good cooperation between our companies we completed these projects successfully. We believe that our cooperation with Dogan Muhendislik will give the same satisfactory result at the "Development of Muscat International Airport" project as before. Safegate International AB Member oft he Safegate Group Djurhagegatan 19 SE Malmo, Sweden THORN. r' '!'r1 l. "trr.'1 ~ DAf.AN

14 i$ DENEYiM BELGESi (COMPLETED JOB STATEMENT) (Ait Yi..iklenici - i~ Bitirme) (.\'uhc:ontractor) Tanh (Date) i~ sah1bi idare (Admtmstration for the contract) 2 i~veren (Contractor) 3 Esas ~ n adt ve varsa 1hale kay1t numaras1 (Contract name and number) 4. i~ n yap ld1gt yer (Locatton of project) 5 Alt yuklenicinin ad1 soyadt veya ticaret unva01 (Subcontractor name) 6 i~in alt yuklenici tarafmdan yap1lan k1sm1 (The job completed by subcontractor) 7 Uygulanan yapt teknigi (Applied constructton method) 8 Esas i~in sozle~me tarihi (Date of the contract) 9 Esas i~in ilk sozle~me bedeli (Contract sum) 1 0 Esas i~in toplam stizle~me bed eli (Contract realization sum) 11 Alt yi..iklenicinin yi..iklenici ile yapt1g1 soz le~menin tarihi (Date of the subcontractor agreement) 12 Alt yuklenicinin yliklenici ile yapt1g1 soz l e~menin bedeli (Subcontractor contract sum) 13. Alt yi..iklenici tarafmdan yapt lan i~in biti~ tarihi (Handover date of the job finished by subcontractor) 14 Esas i~in gec;ici kabul tarihi (Handover date of the contract) 15 Beige tutan (SutJcontract realtzat/on sum) Kuzey lrak Baymdlr11k ve lskan Bakanllg1 (Northern lrak Mmtstry of Construction & Housmg) MAK-YOL In~ San Turz ve Tic A~ -CENGIZ In~ San ve Tic A~ Ad1 Ortakllg1 (Mak-Yoi&Cengtz JV) Erbil Hawler Uluslararas1 Hava Alan ln ~aat1 1~1 (Construction of Erbti!Hawler InternatiOnal Alfport) IRAKJERBIL DOGAN MOhend1shk Elk San ve Tic. ltd. ~11 (DOGAN Engineering Electnc Industry and Tradmg Ltd) Pist Aydmlatma All Yap1, Pist Ayd nlatma S1stem1. RegOiat()r Binas1. SCADA. AG+OG Elektrik ve Elektromk (ILS. VOR, DME, NDB. VCS. VHF/UHF TAPE RECORDER AWOS) Sistemlerin Temm1 ve Tes1s1 1~1 (Airfield Ground Ltghtmg System and Infrastructure, CCR SubStatton. SCADA,HV+L V Electrical and Electronics Systems (ILS. VOR OME. NOB. VCS VHF/UHF TAPE RECORDER AWOS) Supply and Instal/afton of Systems) ln~aat, Elektrik ve Elektronik (Civil, Electrical and ElectromcsJ ,00 USD ,00 USD USD USD ft/;ims.l.\'v i'hmak )'t1'[2~ - CENc-.;i:z ~.. n: o """''"""""Mr..aMlA..J i AW E c: "HERNA ONAL AIRPORT C.ONSTR CT!OP. '""'-' 'At!rkez Faruk No 17 Erb1l lei ~,\~ r..t~uga. k.., -,Fr 1,1,\Ni\GER L-:..'=- --.:. ~ - ~.1 :.:~ ;.r_:;.;=- I ~ - 5~ /l~#~ ry~j..d~

15 ~ '3EMTA \ I ASAO I ltlag WORK COMPLETION CERTIFICATE 03 November 2009 Name of the Project: Design and installation of Airfield Lighting (Airfield Improvements) AI-Asad Airbase /Iraq Main Contract Number : W917BG-06-C-0288 Owner: American Army-Gulf Region Division- Central District W6EX GRD CENTRAL DISTRICT- KO OPERATION IRAQI FREEDOM APO AE Main Contractor: EMTA in~aat Taahhut ve Ticaret A.~. Subcontractor: DOGAN Muhendislik Elk.San.Tic.Ltd.Sti. Contract value: 5,640, USD Final amount paid to the subcontractor: 5,640, USD Starting Date of the contract:17 November 2006 Date of handover: 28 April 2009 Subjects of the contract: Design Of two parallel4000 mt length CAT II runways, aprons and taxiways airport ground lighting system. Installation of airport ground lighting system consist of; Approach lights, SFL lights, Threshold lights, Stopbar lights, Touchdown zone lights, Runway edge lights, Taxiway edge lights, PAPI lights, Wind cones, Illuminated information and mandatory signs, Micro processor controlled constant current regulators (CCR s), Remote control system Fiber Optic communication equipment and cables, Airport beacon, Runway centerline light s, Primary and secondary cables, Air conditioning system for CCR room, Signed by: Venal Dincer Project Manager ~ EMTA, _.

16 ~ ~EMTA ~ J AS AO I I RAQ WORK COMPLETION CERTIFICATE 03 November 2009 Name of the Project: AI-Asad Airbase 11 KV Distrubution System - AI-Asad Airbase /Iraq Main Contract Number : W9178G-06-C-0237 Owner: American Army-Gulf Region Division- Central District W6EX GRD CENTRAL DISTRICT- KO OPERATION IRAQI FREEDOM APO AE Main Contractor: EMTA in~aat Taahhut ve Ticaret A.~. Subcontractor: DOGAN Muhendislik Elk.San.Tic.Ltd.Sti. Contract value: 700, USD Final amount paid to the subcontractor: ,00 USD Starting Date of the contract:17 November 2006 Date of handover: 26 June 2008 Subjects of the contract: Renovation of 33/11KV Power Supply Substation, Installation of 14 pes 12 KV air insulated Metal Clad Switchgears 17 pes (1600 KVA 5 pes, 1000 KVA 9 pes, 630 KVA 1 pes, 500 KVA 2 pcs)11 KV single transformer RMU substation installation 5 pes 2X1000 KVA, 11 KV double transformer RMU substation installation Mt 3X1X240 mm2 XLPE,11 KV cable installation including civil works Signed by: Venal Dincer ~Manager ~ ~~~As:r.~M ;ehitter Mah. Sok. No: 24/ Bona No: 14 ZakhonRAQ ~- ~-- EMTA

17 GENERAL DIRECTORATE OF STATE AIRPORTS AUTHORITY OF TURKEY (GDSA) ETILER I ANKARA TEL: NUMBER. B.ll.2. DHNI SUBJECT: Work Experience Certificate WORK EXPERIENCE CERTIFICATE (Contractor- Work Completion) Number: DATE: 07. April2006 Owner of the Work (a) 2 Name of work and Registry Tender No of work, if any 3 Work Place 4 Applied Structure Technique (b) 5 Name, Surname And Trade Name Of The Contractor 6 Partnership Ratio Iflt Is Joint Venture, if consortium the work section and amount of work realized by them (c) 7 First Contract Cost (d) 8- Total Contract Cost (e) 9. Contract Date 1 0- If Contract has assigned (f) a) Assignment Date (g) b) work amount at the Assignment Date (h) c) work amount after the Assignment Date (i) 11- Provisional acceptance or Settlement Date of Work (j) 12- Certificate cost (k) General Directorate ofdhmi (STATE AIRPORTS AUTHORITY OF TURKEY :make Runway Approach Systems suitable and in compliance with the ICAO Standards and the Construction of the Regulator Building Trabzon Airport RC - Reinforced Concrete building, Airport electricity special lighting and its infrastructure DOGAN MUhendislik Elek. San ve Tic. Ltd. ~ ti YTL (Year 2005) YTL (Year 2005) (Date of Provisional acceptance) YTL (Year 2005) Signature dmergdndl Deputy General Manager SEAL Signature Mahmut TEKi:N General Manager

18 I!Cii~:nl 2) J:nnlo) er _ :1) \lame ol \\ ork~ and i!"an) I end.:r l JOB cxperifnci CLR I"IFIC/\ rf: ( 'iub-contractor Job Completion) R~:~ti~tration '\urnhcr ~) '\r~:a or\\ orks - ~)'\a me '\urnamo.: or lit it:,,r "ub..:unu.tl:lot _ (>)!'art ol \\ l>rb l njert.tken h) '\ub..:untr.t..:llll I 71 \pplied ClHl\tru..:tiun I edmiqul' 81 Contrat:t Datt: ur \\ tlrks f -- )) Contract l'ri..:e of\\ orb I 0 I I ot,tl Contrat:t Price or\-\ urk~ I I) Date ofcolllrat:t llct\\~:cn Contr.tetor.rnJ '\uhcontrao.:wr I 12) Price nfc1>ntract llct\\t:cn "uhcontrat:t >r l~ 1-:t>27.93::!.2X Yll and C ontractur 13) (\,mplction Dute of\\ ork-, l 'ndo.:rtaken b) ]_: '\ubcontraetor I~ l Date of the Pn" i~ional \n;ept.mo.:e nl I 8. I (RI 1',\IR 01 K,\RS i\iri'or I I'/\ I /\RLA~ 1\1/\:--0I t \I RI\J(,,\RI.;\) K \RS II \V'\ \II Yl) \'\1 ( "- \R~ \IRPOR I) DO(i \ '\ \t(ti!i: DIS! 1"- II I K. SA'\.\ I. Ill'. I I D.) II Rl "-,\\\'I. '\I'J>RO \(.II \"-,)) \PRO"'> 11(.!111'\.(r \"-,1) "LIPPI 'I \"'>)) l'\'-11 \II \110"'> \\()RJ.,.S 01 Rl <rli.. \IOR llljii DI N(J Ill (!RIC "'~'-~II \I (1 15.~3~A~5.81 Y II ~ln.nx.oo v I.2007 \\orb f--- L 151 Sum of the ccrti tie.ne 1 l ::!.~ VII "l(i"'> \ ll Rl I "ignatun.: I I Cache I KA YAO(;Lll ii\~aa ' I '>ANA 'I I 'c II<.ARI I I II) )II <> Cudd, No -II 0'~~-b ANK \IC\ I d (031:!) I'" (0_\12)-17c 72'1-i lla~~~nt \ I) 517 (KII 140'1 \'II.. \1{\ I ~ ~ I.. :.: '..., f-~ -:-Ot\CPI der I TERCJLMEDIR '-- - ' '. r' ' " rwn~: \,. I.. 1,, J,,,. r u R " I

19 . --t ~~ - ~~~t,\ Emble{\!) ~\ ;;~ STATE AIRPORTS MANAGEMENT, ~-.. DIRECTORATEGENERAL '~.,,.t 1 ~~~ ETiLER I ANKARA ~,,,,_,.,. TEL: \SoG_U_K_DA_M_G_A~ NUMBER : B.ll.2.011M.O.l "~ n. r IR ~ SUBJECT : Certificate of Work Experience _ " ~'-_:.:... '"'---~ JllNI 2005 WORK EXPERIENCE CERTIFICATE (Contractor- Completing Work) I) [mployer : DIRECTORATE GENERAL OF Dl!Mi 2) Name of the Work 3) The plact! of Work Performed 4) The building technique performed 5) Name. Surname of the Contractor o r Commercial Title 6) If Business Partnership. the Rates 7) The first amount of Contract 8) Total amount of Contract 9) Date Of Contract I 0) If the contract was transferred a. Date Of Transfer b. The Cost of Work on the transfer date c. The Cost Of work on the transfer date I I) The Interim accepting o r date ofsettling in 12) Amount o f the Certificate This certificate annuls thc dated and 7957 numbered Completing Work Certificate. :The Work of Increasing the Power Station's electrical Power of Esenboga Airport Up to 8 MYA. : Esenboga Airport- ANKARA : Dogan Engineering Elctrc. Ind. And frd. Co. Ltd. : TL (with 1998 BF (U.P.)) : : TL (with 1998 BF (U.P.)) : : : L ( with (lj.p.)) //S ignature// Fazh $AL II Omcial Seal // //Signature// Orban BiRDA!. President of Managing Office /') r I l \ I (

20 NUMBER SUBJECT STATE AIRPORTS MANAGEMENT DIRECTORATE GENERAL ETiLER I ANKARA TEL: : B.ll.2.DIIM l937 ~ : Certificate of Completing Work fsoguk OAMGA -,. c :~ ANKARA :ntertici VAROIR WORK EXPERIENCE CERTIFICATE (Subcontractor- Completing Work) J //Official Seal// /\LJGUS1 200:l I) Employer : DIRECTORATE Gf'NER/\1, OF DliMI 2) Name of the Work. : Dogusan Dogu Demir San. in!;i. Tic. /\.~. 3) The place of Work Performed : Siirt Airport -l) Name of the original Work : The work of lengthening the plane runway and enlarging Apron 5) Name, Surname of' the Concerning one Or Commercial Title : Dogan Engineering F.lctrc. Ind. And 1 rd. Co. Ltd. 6) The par1 that the concerned one completed: Lighting of the rum\a) and the way of taxi. E.N.ll.. 7) The applied construction technique 8) The first amount of the main work's Examining and Contract cost 9) The Interim accepting or completion Date or the main work I 0) Date of the contract performed By the contractor II) Date of Completing the work that He perfonned by himself 12) Amount of the Certificate Building the center of power and heat. the work of /\pron and lighting the surrounding :Weak Current, Strong Current O.G. Uectricity 1\ITairs. : TL (I sl Examining /\mount) \vith 1998 B.F : (Interim accepting date) : : : With B. F. (Unit Price) of 1998 Year Contract as discounted 44 % total TL. was paid as ( 16 definite) desen ed. This certificate annuls the dated and 3530 numbered Completing Work Certificate. //Signature// 1 Official Seal / //Signature// bmer GONOL Deputy Director General Dogu Demir sanayi in~aat vc Tic. /\.~. //Signature// / ( r.~c.e. 1 f1.9tlt.jre.. ~ /