List of Dams and Hydroelectric Power Plants Which Su-Yapi Has Participated Since 1975

LIST OF DAMS AND HYDROELECTRIC POWER PLANTS WHICH SU-YAPI HAS PARTICIPATED SINCE 1975

PURPOSE SERVICES PROVIDED

TURKEY EARTH + 8 KAYABOĞAZI DAM + 45 - + 1976-1979 Entire Dam Except the Body INDIVIDUALLY DSİ, Contractor Kütahya ROCK FILL ALTINKAYA DAM TURKEY Cofferdams, Diversion EPDC, SU-İŞ, 9 ++ ROCK FILL 195 700 + 1976-1979 DSİ & HEPP Samsun Structures (including Gate) TMB DERBENT DAM TURKEY Spillway, Diversion and Energy EPDC, SU-İŞ, 10 +++ ROCK FILL 37 56 + 1976-1979 DSİ & HEPP Samsun Water Intake Structure TMB TURKEY 11 KOVALI DAM + EARTH FILL 48,5 - + 1977-1979 Entire Dam Except the Body INDIVIDUALLY DSİ, Contractor Kayseri OYMAPINAR DAM TURKEY Dam Crest, Tail Water Outlet 12 + CONCRETE ARCH 185 540 + 1979-1981 INDIVIDUALLY DSİ, Contractor & HEPP Antalya Structure Switchyard (Const.) KOÇKÖPRÜ DAM & TURKEY (2) (1) (1) 1979-1981 (1) Entire Dam Except the Body 13 ++ ROCK FILL 60 8,5 INDIVIDUALLY DSİ, Contractor HEPP Van + + (2) 1986-1987 (2) Energy Structures ALTINKAYA DAM & TURKEY 14 ++ ROCK FILL 195 700 + 1979-1981 Diversion Structures INDIVIDUALLY DSİ, Contractor HEPP Samsun

- Su-Yapı has been working on Dams and HEPP since 1964. This list includes the services that have been performed after year 1975. - The explanation on the items with (+) for detail design services is given on page 18/18.

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PURPOSE SERVICES PROVIDED

HEIGHT INSTALLED FROM ASSOCIATING NO. PROJECT NAME LOCATION DAM TYPE POWER YEAR PAST WORKED ON CLIENT & REMARKS FOUNDATIO FIRMS (MW) N (m) ENERGY IRRIGATION MISCELLANEOUS FEASIBILITY FINAL DESIGN DETAIL DESIGN CONSTRUCTION SUPERVISION & CONS. BASIN MASTER PLAN Cofferdams, Diversion-Bottom KAYRAKTEPE TURKEY Outlet Structures, Body, EPDC, SU-İŞ, 15 ++ ROCK FILL 196 420 + 1980-1982 EİEİ DAM & HEPP Mersin Spillway, Energy Water Intake TMB Structure, Switchyard TURKEY 16 AĞCAŞAR DAM + EARTH FILL 30 - + 1977-1985 Entire Dam Except the Body INDIVIDUALLY DSİ, Contractor Kayseri MANAVGAT TURKEY Entire Dam Except the Body KEPEZ Elec. Inc., 17 + EARTH FILL 31 40 + 1983-1986 INDIVIDUALLY DAM & HEPP Antalya and Hydromechanical Contractor BÜYÜKÇEKMECE TURKEY 18 + EARTH FILL 11.4 - + 1984-1986 Spillway INDIVIDUALLY DSİ, Contractor DAM İstanbul TURKEY 19 ÇATÖREN DAM + EARTH FILL 45 - + 1984-1986 Entire Dam Except the Body INDIVIDUALLY DSİ, Contractor Eskişehir TURKEY 20 SEKKÖY DAM + EARTH FILL 40 - + + 1985-1986 Entire Dam INDIVIDUALLY TEK, Contractor Muğla LAMAS III & IV IIIA 9.35 TURKEY RIVER POWER 21 HYDROELECTRICITY + 40 IIIB 9.35 + 1986-1987 Entire Dam INDIVIDUALLY TGT Mersin PLANT STAGES IV 22.95 BOYABAT TURKEY CONCRETE Power Plant Building, Control EPDC, SU-İŞ, 22 + 195 510 + 1985-1987 DSİ DAM & HEPP Sinop GRAVITY Building and Roads TMB KAPULUKAYA TURKEY Diversion-Bottom Outlet, 23 ++ EARTH FILL 63 51 + 1979-1987 INDIVIDUALLY DSİ, Contractor DAM & HEPP Kırıkkale Spillway, Energy Structure KILIÇKAYA TURKEY 24 + ROCK FILL 140 120 + 1980-1987 Entire Dam Except the Body INDIVIDUALLY DSİ, Contractor DAM & HEPP Tokat MENZELET TURKEY Entire Dam (A revis.project has 25 +++ ROCK FILL 150,5 120 + 1980-1987 INDIVIDUALLY DSİ, Contractor DAM & HEPP K.Maraş been submitted for the body) ALTINKAYA TURKEY Consultancy, Supervision EPDC, 26 ++ ROCK FILL 195 700 + + 1982-1988 DSİ DAM & HEPP Samsun Services SUİŞ, TMB ADIGÜZEL TURKEY 27 +++ ROCK FILL 145 61 + 1982-1987 Energy Structures and HEPP INDIVIDUALLY DSİ, Müteahhit DAM & HEPP Denizli KARACAÖREN TURKEY 28 +++ EARTH FILL 95 32 + 1982-1987 Energy Structures and HEPP INDIVIDUALLY DSİ, Contractor DAM & HEPP Burdur TURKEY 29 YAHYASARAY DAM + EARTH FILL 51 - + 1984-1987 Entire Dam Except the Body INDIVIDUALLY DSİ, Contractor Yozgat - The explanation on the items with (+) for detail design services is given on page 18/18.

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PURPOSE SERVICES PROVIDED

HEIGHT INSTALLED FROM ASSOCIATING NO. PROJECT NAME LOCATION DAM TYPE POWER YEAR PAST WORKED ON CLIENT & REMARKS FOUNDATIO FIRMS (MW) N (m) ENERGY IRRIGATION MISCELLANEOUS FEASIBILITY FINAL DESIGN DETAIL DESIGN CONSTRUCTION SUPERVISION & CONS. BASIN MASTER PLAN ÇAVDARHİSAR TURKEY 30 + EARTH FILL 51 - + 1985-1987 Entire Dam Except the Body INDIVIDUALLY DSİ, Contractor DAM Kütahya TURKEY 31 POLAT DAM + ROCK FILL 56 - + 1985-1987 Entire Dam Except the Body INDIVIDUALLY DSİ, Contractor Malatya TURKEY 32 EĞREKKAYA DAM + + EARTH FILL 100 - + 1985-1987 Entire Dam Except the Body INDIVIDUALLY DSİ, Contractor Ankara TURKEY 33 ÜRKMEZ DAM + + EARTH FILL 38 - + 1985-1987 Entire Dam Except the Body INDIVIDUALLY DSİ, Contractor İzmir TURKEY EARTH+ 34 ÇAT DAM + 74 - + 1985-1987 Entire Dam Except the Body INDIVIDUALLY DSİ, Contractor Adıyaman ROCK FILL TURKEY EARTH+ 35 AHMETLER DAM + 52 - + + 1985-1987 Entire Dam INDIVIDUALLY TEK, Contractor Muğla ROCK FILL TURKEY 36 HANAY KÜL DAM + ROCK FILL 65 - + + 1985-1987 Entire Dam INDIVIDUALLY TEK, Contractor Muğla TURKEY 37 SARIMEHMET DAM + EARTH FILL 62,5 - + 1987-1991 Entire Dam Except the Body INDIVIDUALLY DSİ, Contractor Van TURKEY 38 KÜRE-ÇATAK DAM + ROCK FILL 35 - + + 1990-1991 Entire Dam INDIVIDUALLY DSİ, Contractor Kastamonu TURKEY 39 GAYT DAM + EARTH FILL 36,5 - + 1990-1991 Spillway INDIVIDUALLY DSİ, Contractor Bingöl TURKEY 40 ÇAMGAZİ DAM + EARTH FILL 45 - + 1990-1991 Entire Dam Except the Body INDIVIDUALLY DSİ, Contractor Adıyaman TURKEY CONCRETE Entire Dam Except the Body, KEPEZ Elec. Inc., 41 KARACAÖREN II HEPP + + 49 47 + 1989-1991 INDIVIDUALLY Burdur GRAVITY Switchyard and Mechanical Contractor TURKEY Entire Dam 42 ÇAMALAN DAM + EARTH FILL 42,5 - + + 1991-1992 INDIVIDUALLY DSİ, Contractor Ankara Feasibility Report for BOT TURKEY RIVER POWER Feasibility & Final Design for 43 KOVADA III HEPP + - 5 + + 1991-1992 INDIVIDUALLY GÖKDERE Inc. Isparta PLANT BOT TURKEY EARTH+ 44 ARMAĞAN DAM + 57,25 - + 1986-1993 Entire Dam Except the Body INDIVIDUALLY DSİ, Contractor Kırklareli ROCK FILL BOYABAT DAM & TURKEY EARTH+ 45 + 195 510 + 1991-1993 Diversion Tunnels INDIVIDUALLY DSİ, Contractor HEPP Sinop ROCK FILL - The explanation on the items with (+) for detail design services is given on page 18/18. BOT : Build-Operate-Transfer Model

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PURPOSE SERVICES PROVIDED

HEIGHT INSTALLED FROM ASSOCIATING NO. PROJECT NAME LOCATION DAM TYPE POWER YEAR PAST WORKED ON CLIENT & REMARKS FOUNDATIO FIRMS (MW) N (m) ENERGY IRRIGATION MISCELLANEOUS FEASIBILITY FINAL DESIGN DETAIL DESIGN CONSTRUCTION SUPERVISION & CONS. BASIN MASTER PLAN TURKEY 46 SAZLIDERE DAM + ROCK FILL 47 - + 1991-1993 Entire Dam Except the Body INDIVIDUALLY DSİ, Contractor İstanbul YEDİGÖZE DAM & TURKEY 47 ++ ROCK FILL 131 300 + 1993 Feasibility Report for BOT INDIVIDUALLY ATA Cons. Inc. HEPP Adana BOYABAT DAM & TURKİYE CONCRETE 48 + 195 510 + 1993 Feasibility Report for BOT INDIVIDUALLY ATA Cons. Inc. HEPP Sinop GRAVITY GEZENDE DAM & TURKEY 49 + CONCRETE ARCH 72 150 + 1983-1994 Entire Dam Except the Body INDIVIDUALLY DSİ, Contractor HEPP Karaman TURKEY DSİ, Contractor 50 KİRAZDERE DAM + ROCK FILL 108,5 - + 1987-1997 Entire Dam Except the Body INDIVIDUALLY Kocaeli İzmit Water Inc. TURKEY 51 YENİHAYAT DAM + EARTH FILL 68,3 - + 1991-1996 Entire Dam Except the Body INDIVIDUALLY DSİ, Contractor Çorum TURKEY 52 ERFELEK DAM + EARTH FILL 91,5 - + 1993-1995 Entire Dam Except the Body INDIVIDUALLY DSİ, Contractor Sinop TURKEY 53 KUZGUN DAM & HEPP + + ROCK FILL 120 22,7 + 1985-1997 Entire Dam Except the Body INDIVIDUALLY DSİ, Contractor Erzurum TURKEY 54 DİCLE DAM & HEPP + + ROCK FILL 87 110 + 1993-2000 Switchyard and HEPP INDIVIDUALLY DSİ, Contractor Diyarbakır TURKEY EARTH+ 55 BATMAN DAM & HEPP + + 85,5 198 + 1986-2000 Entire Dam Except the Body INDIVIDUALLY DSİ, Contractor Diyarbakır ROCK FILL DSİ, Contractor (Final design has been TURKEY CONCRETE FACE revised, underground power 56 KÜRTÜN DAM & HEPP + 125 80 + 1986-2001 Entire Dam INDIVIDUALLY Gümüşhane ROCK FILL plant and tunnel spillway and front face cover have been designed) TURKEY 57 PALANDÖKEN DAM + + EARTH FILL 49 - + 1994-2001 Entire Dam Except the Body INDIVIDUALLY DSİ, Contractor Erzurum TURKEY EARTH+ DSİ 58 ADATEPE DAM + + 95 - + 1995- Entire Dam Except the Body INDIVIDUALLY K.Maraş ROCK FILL LİMAK Const. Inc. TURKEY 59 ALAKIR I HEPP + + ROCK FILL 49,5 3,2 + 1995 Feasibility Report for BOT INDIVIDUALLY KEPEZ Elec. Inc. Antalya - The explanation on the items with (+) for detail design services is given on page 18/18. BOT : Build-Operate-Transfer Model

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PURPOSE SERVICES PROVIDED

TURKEY EARTH FILL WITH DSİ 67 OBRUK DAM & HEPP + + 125 202,8 + 1996-2009 Entire Dam INDIVIDUALLY Çorum CLAY CORE LİMAK Const. Inc.

TURKEY SAND + GRAVEL DSİ 68 GÜLBAHAR DAM + 67 - + 1996-2007 Entire Dam Except the Body INDIVIDUALLY Bingöl FILL ÖZCAN Inc. TURKEY SAND + GRAVEL DSİ 69 DEMİRÖZÜ DAM + 66 - + 1996-1997 Entire Dam Except the Body INDIVIDUALLY Bayburt FILL ECETUR Inc. TURKEY Construction Supervision and ELTEM-TEK ÇUKUROVA 70 BERKE DAM & HEPP + CONCRETE ARCH 201 510 + 1997-2001 Osmaniye Technical Consulting YAPI TEKNİK ELECTRIC Inc. TURKEY ZONED ROCK 71 OYRAK DAM + + 44 - + 1997-1999 Entire Dam INDIVIDUALLY DSİ Kastamonu FILL OBRUCAK DAM TURKEY ZONED ROCK 72 +++ 76 3 + 1997-1999 Entire Dam INDIVIDUALLY DSİ & HEPP Kastamonu FILL ROCK FILL TURKEY 73 KAVŞAKKAYA DAM ++ WITH CLAY 85 - + 1998-2000 Entire Dam INDIVIDUALLY DSİ Ankara CORE TURKEY 74 BAĞIŞTAŞ II HEPP + CONCRETE 30 45,6 + 1998 Feasibility Report for BOT INDIVIDUALLY EMT Inc. Erzincan - The explanation on the items with (+) for detail design services is given on page 18/18. BOT : Build-Operate-Transfer Model

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PURPOSE SERVICES PROVIDED

HEIGHT INSTALLED FROM ASSOCIATING NO. PROJECT NAME LOCATION DAM TYPE POWER YEAR PAST WORKED ON CLIENT & REMARKS FOUNDATIO FIRMS (MW) N (m) ENERGY IRRIGATION MISCELLANEOUS FEASIBILITY FINAL DESIGN DETAIL DESIGN CONSTRUCTION SUPERVISION & CONS. BASIN MASTER PLAN TURKEY CONCRETE 75 BOLASAN HEPP + 43 82 + 1998 Feasibility Report for BOT ELTEM-TEK DEDEMAN + UNIT Antalya GRAVITY WEIR TURKEY RIVER POWER Regülatör Ministry of Energy 76 OTLUCA HEPP + 39 + 1998 Feasibility Report for BOT INDIVIDUALLY Mersin PLANT 16 EMT Inc. ALAKÖPRÜ TURKEY CONCRETE FACE Ministry of Energy 77 +++ 93 26 + 1998 Feasibility Report for BOT INDIVIDUALLY DAM & HEPP Mersin ROCK FILL EMT Inc. KARAKUZ TURKEY Ministry of Energy 78 + ROCK FILL 70 100 + 1998 Feasibility Report for BOT INDIVIDUALLY DAM & HEPP Adana EMT Inc. ALKUMRU TURKEY Ministry of Energy 79 + ROCK FILL 134 222 + 1998 Feasibility Report for BOT INDIVIDUALLY DAM & HEPP Siirt GÜNSAYIL Inc. PEMBELİK TURKEY Ministry of Energy 80 + ROCK FILL 85 108 + 1998 Feasibility Report for BOT INDIVIDUALLY DAM & HEPP Tunceli AKSA Inc. TURKEY ROLLER Regulator Ministry of Energy 81 ILICA HEPP + COMPACTED 51,6 + 1998 Feasibility Report for BOT INDIVIDUALLY Kastamonu CONCRETE (RCC) 13 POLAT YOLYAPI Inc. TURKEY Ministry of Energy 82 TOR DAM & HEPP + ROCK FILL 86 125 + 1998 Feasibility Report for BOT INDIVIDUALLY Kastamonu POLAT YOLYAPI Inc. GÜNDOĞMUŞ TURKEY Ministry of Energy 83 + ARCH GRAVITY 125 105 + 1998 Feasibility Report for BOT INDIVIDUALLY DAM & HEPP Antalya EY ENERGY Inc. ALARAHAN I TURKEY CONCRETE FACE Ministry of Energy 84 + 120 73,4 + 1998 Feasibility Report for BOT INDIVIDUALLY DAM & HEPP Antalya ROCK FILL EY ENERGY Inc. ROLLER ALARAHAN II TURKEY COMPACTED Ministry of Energy 85 + 65 66,6 + 1998 Feasibility Report for BOT INDIVIDUALLY DAM & HEPP Antalya CONCRETE EY ENERGY Inc. (RCC) KÖPRÜBAŞI DAM TURKEY Planning Report and Revision of 86 ++ ROCK FILL 119 74 ++1999 INDIVIDUALLY DSİ & HEPP Kastamonu Master Plan TURKEY Planning Report and Revision of 87 ÇAY DAM & HEPP ++ ROCK FILL 105 35 ++1999 INDIVIDUALLY DSİ Kastamonu Master Plan ANDIRAZ DAM TURKEY ZONED Planning Report and Revision of 88 ++ 145 34 ++1999 INDIVIDUALLY DSİ & HEPP Kastamonu EARTH FILL Master Plan TURKEY ZONED 89 AKTAŞ DAM & HEPP ++ 57 12,5 + 1999 Report of Revision Master Plan INDIVIDUALLY DSİ Kastamonu EARTH FILL - The explanation on the items with (+) for detail design services is given on page 18/18.

BOT : Build-Operate-Transfer Model

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PURPOSE SERVICES PROVIDED

HEIGHT INSTALLED FROM ASSOCIATING NO. PROJECT NAME LOCATION DAM TYPE POWER YEAR PAST WORKED ON CLIENT & REMARKS FOUNDATIO FIRMS (MW) N (m) ENERGY IRRIGATION MISCELLANEOUS FEASIBILITY FINAL DESIGN DETAIL DESIGN CONSTRUCTION SUPERVISION & CONS. BASIN MASTER PLAN TURKEY ZONED 90 ARAÇ DAM ++ 58 - + 1999 Report of Revision Master Plan INDIVIDUALLY DSİ Kastamonu EARTH FILL TURKEY 91 GİRME DAM + ZONED ROCK FILL 71,5 - + 1999-2000 Entire Dam INDIVIDUALLY DSİ Muğla TURKEY EARTH FILL 92 GÖKPINAR DAM + 43,1 - + 1999-2000 Entire Dam INDIVIDUALLY DSİ Eskişehir WITH CLAY CORE TURKEY RIVER POWER Ministry of Energy 93 ÇAL HEPP + -2,2 ++ 1999-2000 Entire Dam INDIVIDUALLY Denizli PLANT LİMAK TURKEY DSİ 94 BAYIR DAM + ROCK FILL 49 - + 1999 -2007 Entire Dam Except the Body INDIVIDUALLY Muğla ÖZKAR Inc. TURKEY RIVER POWER Regulator Ministry of Energy 95 PAMUK HEPP + 23 ++ 1999-2001 Entire Dam INDIVIDUALLY Mersin PLANT 12,5 LİMAK / BEST / ENDA TURKEY ROLLER 96 SULAKYURT DAM + COMPACTED 91,5 - + 1999-2001 Entire Dam INDIVIDUALLY DSİ Kırıkkale CONCRETE (RCC) TURKEY CONCRETE FACE DSİ 97 TORUL DAM + 152 121 ++ 1999-2006 Entire Dam INDIVIDUALLY Gümüşhane ROCK FILL BAYTUR / ÖZDEMİR TURKEY EARTH + DSİ, 98 İKİZDERE DAM ++ 108 - + 1999-2011 Entire Dam Except the Body INDIVIDUALLY Aydın ROCK FILL LİMSAN/LİMAK TURKEY ROLLER 99 URUŞ DAM + COMPACTED 104,6 - + 1999-2001 Entire Dam INDIVIDUALLY DSİ Ankara CONCRETE (RCC) ELMALI DAM, CONCRETE TURKEY 62 DSİ 100 TAŞOBA DAM & + ARCH GRAVITY + 1999 Final Design Preliminary Report INDIVIDUALLY Gümüşhane 93 60 AGE / CEYLAN BÜYÜKDÜZ HEPP ROCK FILL TURKEY RIVER POWER Regulator Ministry of Energy 101 EŞEN II HEPP + 43,4 ++ 1999-2002 Entire Dam INDIVIDUALLY Muğla PLANT 35 GÖLTAŞ Energy Inc. TURKEY RIVER POWER Regulator Ministry of Energy 102 DAMLACIK HEPP + 20,7 + 1999 Feasibility Report for BOT INDIVIDUALLY Kırşehir PLANT 5 EMT + AKFEN TURKEY CONCRETE FACE Planning Report, Final and Detail DSİ 103 MARMARİS DAM + 58 - +++ 1999-2001 INDIVIDUALLY Muğla ROCK FILL Design MARİÇ-BELBİR AZERBAYCA ZONED EARTH MITSUBISHI CO. 104 TAHTAKÖPRÜ DAM +++ N 25 120 + 1999-2000 Prefeasibility INDIVIDUALLY FILL (Japan) Khachmaz - The explanation on the items with (+) for detail design services is given on page 18/18. BOT : Build-Operate-Transfer Model

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PURPOSE SERVICES PROVIDED

HEIGHT INSTALLED FROM ASSOCIATING NO. PROJECT NAME LOCATION DAM TYPE POWER YEAR PAST WORKED ON CLIENT & REMARKS FOUNDATIO FIRMS (MW) N (m) ENERGY IRRIGATION MISCELLANEOUS FEASIBILITY FINAL DESIGN DETAIL DESIGN CONSTRUCTION SUPERVISION & CONS. BASIN MASTER PLAN TURKEY RIVER POWER Regulator Ministry of Energy 105 DÜZCE-AKSU HEPP + 41,6 + 1999 Feasibility Report for BOT INDIVIDUALLY Düzce PLANT 5 TUBİN Inc. TURKEY Feasibility Report Ministry of Energy 106 GELİNGÜLLÜ HEPP + EARTH FILL 54 1,97 + 2000 INDIVIDUALLY Yozgat Auto Producer Model SUTA Ltd. Co. TURKEY RIVER POWER Ministry of Energy 107 NİKSAR HEPP + Regulator 40,1 + 2001 Feasibility Report for BOT INDIVIDUALLY Tokat PLANT TEPE Inf. Inc. TURKEY RIVER POWER Ministry of Energy 108 AKINCI HEPP + Regulator 96,8 + 2001 Feasibility Report for BOT INDIVIDUALLY Tokat PLANT TEPE Inf. Inc. TURKEY Master Plan and 109 KOZCAĞIZ DAM ++ EARTH FILL 60,2 - ++2001-2002 INDIVIDUALLY DSİ Bartın Planning Report TURKEY + 110 BAHÇELİK HEPP + ROCK FILL 65 4,17 + 2002-2005 Entire Dam INDIVIDUALLY MOLU Inc. Co. Kayseri Rev. MACARRETANE MOZAMBİK Rehabilitation of 111 ++ REGULATOR 4- ++ 2002-2009 TECNICA ARA-Sul (Mozambique) DAM Macarretane Hydromechanical System ALPASLAN II TURKEY Diversion-Bottom Outlet and 112 ++ ZONED ROCK FILL 116 200 + 2002-2004 MW H (HARZA) DSİ DAM & HEPP Muş Energy Water Intake Structure SEYRANTEPE TURKEY Granular fill type DARENHES 113 + 48,5 48 +++ 2003-2008 Entire Dam INDIVIDUALLY DAM & HEPP Elazığ with central core Electricity Gen. Inc. BAYRAMHACILI TURKEY SENERJİ 114 ++ ROCK FILL 60 30 + 2003 Entire Dam INDIVIDUALLY DAM & HEPP Nevşehir Energy Gen. Inc. TURKEY RIVER POWER 115 AKOCAK HEPP + -75+ 2003 Entire Dam INDIVIDUALLY NUR Energy Inc. Trabzon PLANT TURKEY CANAL POWER GÜNGÖR 116 HAMZALI HEPP ++ - 13,8 + 2003-2004 Entire Dam INDIVIDUALLY Ankara PLANT Electricity Gen. Inc. TURKEY RIVER POWER GÜNGÖR 117 OTLUCA HEPP + -48+ 2004 Entire Dam INDIVIDUALLY Mersin PLANT Electricity Gen. Inc. TURKEY RIVER POWER GÜNGÖR 118 ZİNCİRLİ HEPP + - 16,3 + 2004 Entire Dam INDIVIDUALLY Antalya PLANT Electricity Gen. Inc. RIVER POWER GÜNGÖR 119 ÇAMLICA III HEPP + -25+ 2004 Entire Dam INDIVIDUALLY PLANT Electricity Gen. Inc. TURKEY GÜNGÖR 120 SARAÇ DAM & HEPP + EARTH FILL 30 10,1 ++ 2004-2005 Entire Dam INDIVIDUALLY Sivas Electricity Gen. Inc. - The explanation on the items with (+) for detail design services is given on page 18/18. BOT : Build-Operate-Transfer Model

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PURPOSE SERVICES PROVIDED

MRMEW R RCC & Rock Fill WADI DAYQAH OMAN 74 - Entire Dam BVI ve Ministry of Regional 126 ++ RCC: Roller 2005-2014 Municipalities, Environment DAM Muscat Compacted Concrete 42 - Entire Dam NESPAK and Water Resources ÇAMBAŞI TURKEY CONCRETE FACE FERNAS 127 + 106 48,2 + 2005 Entire Dam INDIVIDUALLY DAM & HEPP Trabzon ROCK FILL Energy Gen. Inc. TURKEY Granular fill type DAREN HES 128 TATAR DAM & HEPP + 84 129,5 +++ 2006-2013 Entire Dam INDIVIDUALLY Tunceli with central core Electricity Gen. Inc. TURKEY Semi Pervious Fill with 129 AKTAŞ DAM + 105 - + 2006-2007 Entire Dam INDIVIDUALLY DSİ İzmir Clay Core AYVADERE TURKEY RIVER POWER Regulator ATLAS Mining Maritime 130 + 10 + 2006 Entire Dam INDIVIDUALLY WEIR & HEPP Trabzon PLANT 12 Trade Inc. GÜNEYCE DAM & TURKEY CONCRETE FACE ATLAS Mining Maritime 131 + 93 86.2 + 2006 Entire Dam INDIVIDUALLY HEPP Trabzon ROCK FILL Trade Inc. ÇANKAYA DAM & TURKEY CONCRETE FACE ZORLU Energy 132 + 160 88.3 + 2006 Entire Dam INDIVIDUALLY HEPP Trabzon ROCK FILL Electricity Gen. Inc. KARAKURT DAM & TURKEY CONCRETE FACE BİLSEV 133 + 155 180 + 2006 Entire Dam INDIVIDUALLY HEPP Kars ROCK FILL Energy Gen. Inc. GÖKDERE TURKEY RIVER POWER Regulator SEMA Electricity 134 + 36.4 + 2006 Entire Dam INDIVIDUALLY WEIR & HEPP Karaman PLANT 7 Gen. & Trade Inc. - The explanation on the items with (+) for detail design services is given on page 18/18.

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PURPOSE SERVICES PROVIDED

HEIGHT INSTALLED FROM ASSOCIATING NO. PROJECT NAME LOCATION DAM TYPE POWER YEAR PAST WORKED ON CLIENT & REMARKS FOUNDATIO FIRMS (MW) N (m) ENERGY IRRIGATION MISCELLANEOUS FEASIBILITY FINAL DESIGN DETAIL DESIGN CONSTRUCTION SUPERVISION & CONS. BASIN MASTER PLAN PİRİNÇLİ TURKEY RIVER POWER Regulator DERYA Electricity 135 + 18,7 + 2006 Entire Dam INDIVIDUALLY WEIR & HEPP Çorum PLANT 15 Gen. & Trade Inc. AKSU-ANAKOL TURKEY CONCRETE FACE 136 + 112 120 + 2006 Entire Dam INDIVIDUALLY LİMAK Inc. Co. (ÇORUH) DAM & HEPP Erzurum ROCK FILL ADASU TURKEY RIVER POWER Regulator ADASU 137 + 9.5 + 2007 Entire Dam INDIVIDUALLY WEIR & HEPP Adapazarı PLANT 17.5 Energy Inc. Send. Gravel & ASLANCIK DAM & TURKEY IC İÇTAŞ Energy 138 + Rock Fill With 30 85,3 + 2006 Entire Dam INDIVIDUALLY HEPP Giresun Blanket Gen. & Trade Inc. TURKEY RIVER POWER Regulator SEMA Electricity 139 SAYAN WEIR & HEPP + 13 + 2006-2007 Entire Dam INDIVIDUALLY Adana PLANT 12,5 Gen. & Trade Inc. TURKEY Granular fill type 140 ULADI DAM + 86,5 - + 2006-2007 Entire Dam INDIVIDUALLY DSİ İzmir with central core YEDİGÖZE DAM & TURKEY CONCRETE FACE YEDİGÖZE 141 + 131 294 + 2006-2007 Entire Dam INDIVIDUALLY HEPP Adana ROCK FILL Electricity Gen. Inc. TURKEY RIVER POWER + IC İÇTAŞ Niksar Energy 142 NİKSAR WEIR & HEPP + - 40,05 ++ 2006-2013 Entire Dam INDIVIDUALLY Tokat PLANT Rev. Gen. & Trade Inc. DEREKÖY DAM & TURKEY CONCRETE FACE IC İÇTAŞ Energy 143 + 125 111 + 2006 Entire Dam INDIVIDUALLY DEMİRKAPI HEPP Rize ROCK FILL Gen. & Trade Inc. TURKEY CONCRETE FACE EnBW Kraftwerke A.G. 144 ÇETİN DAM & HEPP + 165 244 + 2006-2007 Entire Dam INDIVIDUALLY Siirt ROCK FILL (Germany) TURKEY RIVER POWER BEREKET Energy 145 DERELİ WEIR & HEPP + -46+ 2007 Entire Dam INDIVIDUALLY Giresun PLANT Gen. & Trade Inc. ÇIRAKDAMI TURKEY RIVER POWER BEREKET Energy 146 + -46+ 2007 Entire Dam INDIVIDUALLY WEIR & HEPP Giresun PLANT Gen. & Trade Inc. ÇAMLICA TURKEY CONCRETE FACE IC İÇTAŞ Energy 147 + 98 80,6 + 2007 Entire Dam INDIVIDUALLY DAM & HEPP Artvin ROCK FILL Gen. & Trade Inc. TURKEY RIVER POWER 148 TUNCA WEIR & HEPP + 11,68 ++ 2007-2011 Entire Dam INDIVIDUALLY DSİ Edirne PLANT KADINCIK III & TURKEY RIVER POWER 40 DERYA Electricity 149 + - + 2007 Entire Dam INDIVIDUALLY KADINCIK IV HEPP Mersin PLANT 50 Gen. & Trade Inc. - The explanation on the items with (+) for detail design services is given on page 18/18.

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PURPOSE SERVICES PROVIDED

HEIGHT INSTALLED FROM ASSOCIATING NO. PROJECT NAME LOCATION DAM TYPE POWER YEAR PAST WORKED ON CLIENT & REMARKS FOUNDATIO FIRMS (MW) N (m) ENERGY IRRIGATION MISCELLANEOUS FEASIBILITY FINAL DESIGN DETAIL DESIGN CONSTRUCTION SUPERVISION & CONS. BASIN MASTER PLAN KEMERÇAYIR TURKEY RIVER POWER + ++ IC İÇTAŞ Trabzon Energy 150 + - 15,5 2007-2013 Entire Dam INDIVIDUALLY WEIR & HEPP Trabzon PLANT Rev. Gen. & Trade Inc. ÜÇHANLAR TURKEY RIVER POWER + ++ IC İÇTAŞ Trabzon Energy 151 + -12 2007-2013 Entire Dam INDIVIDUALLY WEIR & HEPP Trabzon PLANT Rev. Gen. & Trade Inc. ÜÇHARMANLAR TURKEY RIVER POWER + ++ IC İÇTAŞ Trabzon Energy 152 + -20 2007-2013 Entire Dam INDIVIDUALLY WEIR & HEPP Trabzon PLANT Rev. Gen. & Trade Inc. TURKEY GRANULAR FILL 153 BADEMLİ DAM + WITH CENTRAL 56 - + 2007-2008 Entire Dam INDIVIDUALLY DSİ İzmir CLAY CORE TURKEY CONCRETE FACE 154 BURGAZ DAM + 115 - + 2007-2008 Entire Dam INDIVIDUALLY DSİ İzmir ROCK FILL YALNIZCA TURKEY RIVER POWER + ++ FİLYOS Energy 155 + - 15,3 2007-2009 Entire Dam INDIVIDUALLY WEIR & HEPP Karabük PLANT Rev. Gen. & Trade Inc. TURKEY RIVER POWER + IC İÇTAŞ Energy 156 ORTAÇAĞ HEPP + -8 2007-2010 Entire Dam INDIVIDUALLY Trabzon PLANT Rev. Gen. & Trade Inc. TURKEY RIVER POWER + IC İÇTAŞ Energy 157 SARNIÇ HEPP + - 24,9 2007-2010 Entire Dam INDIVIDUALLY Artvin PLANT Rev. Gen. & Trade Inc. TURKEY RIVER POWER + IC İÇTAŞ Energy 158 ERİK HEPP + - 14,3 2007-2010 Entire Dam INDIVIDUALLY Artvin PLANT Rev. Gen. & Trade Inc. TURKEY RIVER POWER + IC İÇTAŞ Energy 159 YUMRUTEPE HEPP + - 13,1 2007-2010 Entire Dam INDIVIDUALLY Giresun PLANT Rev. Gen. & Trade Inc. TURKEY RIVER POWER + IC İÇTAŞ Energy 160 İKİSU HEPP + - 43,9 2007-2010 Entire Dam INDIVIDUALLY Giresun PLANT Rev. Gen. & Trade Inc. TURKEY RIVER POWER + IC İÇTAŞ Energy 161 KALECİK HEPP + -31 2007-2010 Entire Dam INDIVIDUALLY Artvin PLANT Rev. Gen. & Trade Inc. TURKEY RIVER POWER + IC İÇTAŞ Selen Elect. 162 KEPEZKAYA HEPP + -28 ++ 2007-2013 Entire Dam INDIVIDUALLY Karaman PLANT Rev. Gen. & Trade Inc. TURKEY EARTH FILL WITH (talveg) Final and detail design for the LİMAK Construction 163 KARACASU DAM + - ++ 2007-2012 INDIVIDUALLY Aydın CLAY CORE 55 body of dam Trade Co. Inc.

UZUNÇAYIR TURKEY SAND+GRAVEL FILL (talveg) + LİMAK Hydroelectric 164 + 74 + 2007-2012 Detail design of power plant INDIVIDUALLY DAM & HEPP Tunceli WITH CLAY CORE 58 Rev. Power Investments Inc. - The explanation on the items with (+) for detail design services is given on page 18/18.

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PURPOSE SERVICES PROVIDED

HEIGHT INSTALLED FROM ASSOCIATING NO. PROJECT NAME LOCATION DAM TYPE POWER YEAR PAST WORKED ON CLIENT & REMARKS FOUNDATIO FIRMS (MW) N (m) ENERGY IRRIGATION MISCELLANEOUS FEASIBILITY FINAL DESIGN DETAIL DESIGN CONSTRUCTION SUPERVISION & CONS. BASIN MASTER PLAN ALKUMRU TURKEY SAND+GRAVEL FILL ++ LİMAK Hydroelectric 165 + 134 280 2007-2013 Entire Dam INDIVIDUALLY DAM & HEPP Siirt WITH CLAY CORE Power Investments Inc. DEREKÖY TURKEY RIVER POWER + ++ BESS Electric. 166 + - 110 2007-2013 Entire Dam INDIVIDUALLY WEIR & HEPP Rize PLANT Rev. Gen. Ind. & Trade Inc. TURKEY RIVER POWER + +++ ETİ 167 KELKİT-AKINCI HEPP + - 96,8 2007-2013 Entire Dam INDIVIDUALLY Tokat PLANT Rev. Electricity Gen. Inc. TURKEY RCC: Roller 168 BEYYURDU DAM + 54 8,71 + 2007 Entire Dam INDIVIDUALLY DSİ Hakkari Compacted Concrete TURKEY RCC: Roller 169 ASLANDAĞI DAM + 69 11 + 2007 Entire Dam INDIVIDUALLY DSİ Hakkari Compacted Concrete TURKEY RCC: Roller + 170 AYVALI DAM & HEPP 175 119,1 ++ 2007-2015 Entire Dam INDIVIDUALLY ÖZDOĞAN Energy Inc. Erzurum Compacted Concrete Rev. TURKEY 171 PEÇENEK DAM EARTH FILL 32,5 - ++ 2008-2009 Revision of Planning Report AKAR-SU DSİ Ankara TURKEY RIVER POWER CENAY Electric. 172 ÇİLEKLİTEPE HEPP + - 23,6 + 2008 Entire Dam INDIVIDUALLY Giresun PLANT Gen. Ind. & Trade Inc. TURKEY CONCRETE FACE + ENERJİSA 173 ARKUN DAM & HEPP + 190 237 2008-2014 Entire Dam YAPI TEKNİK Artvin SAND-GRAVEL FILL Energy Gen. Inc. TURKEY RIVER POWER + 174 KIZILEV HEPP + 12,5 16,4 ++ 2008-2011 Entire Dam INDIVIDUALLY AKSU Electric Gen. Inc. Giresun PLANT Rev. TURKEY RIVER POWER + AK-ÖZLÜCE 175 ÖZLÜCE WEIR & HEPP + 10 22 ++ 2008-2013 Entire Dam INDIVIDUALLY Erzurum PLANT Rev. Elect. Gen. Trade Inc. TURKEY RIVER POWER + 176 SERPİN HEPP + 18 38,7 + 2008-2013 Entire Dam INDIVIDUALLY AKSU Electric Gen. Inc. Giresun PLANT Rev. TURKEY RIVER POWER BAREN Energy Gen. 177 KİRAZLIK HEPP - 42,1 +++ 2008-2013 Entire Dam INDIVIDUALLY Siirt PLANT Inc. TURKEY RIVER POWER 178 SAYAN WEIR & HEPP - 15,2 + 2008-2011 Entire Dam INDIVIDUALLY KAREL Electric Gen.Inc. Osmaniye PLANT TURKEY RIVER POWER ONK Electric Gen. Trade 179 PERVARİ WEIR - 183,1 + 2008-2009 Entire Dam INDIVIDUALLY Siirt PLANT Inc. Co. - The explanation on the items with (+) for detail design services is given on page 18/18.

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PURPOSE SERVICES PROVIDED

HEIGHT INSTALLED FROM ASSOCIATING NO. PROJECT NAME LOCATION DAM TYPE POWER YEAR PAST WORKED ON CLIENT & REMARKS FOUNDATIO FIRMS (MW) N (m) ENERGY IRRIGATION MISCELLANEOUS FEASIBILITY FINAL DESIGN DETAIL DESIGN CONSTRUCTION SUPERVISION & CONS. BASIN MASTER PLAN BOYABAT DAM & TURKEY CONCRETE BOYABAT 180 195 528 + 2008-2012 Entire Dam YAPI TEKNİK HEPP Sinop GRAVITY Electric Gen. Inc. TURKEY 181 AYDINCIK DAM EARTH FILL 39 - + 2008-2009 Entire Dam INDIVIDUALLY DSİ Manisa TURKEY ROCK FILL 182 ADATEPE DAM WITH CLAY 89 - + 2008-2013 Revision of Planning Report HİDRODİZAYN DSİ K.Maraş CORE TURKEY ROCK FILL 183 KARAKUZ DAM + 67 - + 2008-2013 Revision of Planning Report HİDRODİZAYN DSİ K.Maraş WITH CLAY CORE TURKEY ZONED EARTH 184 ÇELENGÖZ DAM 29 - + 2008-2009 Entire Dam INDIVIDUALLY DSİ Manisa FILL TURKEY GRANULAR FILL AYDINLI Energy 185 CİZRE DAM & HEPP 51,4 240 + 2009 Entire Dam INDIVIDUALLY Şırnak TYPE WITH CENTRAL Gen.& Trade Inc. CORE TURKEY CONCRETE FACE 186 BOZKIR DAM & HEPP 116 15 ++ 2009-2010 Entire Dam INDIVIDUALLY DSİ Konya ROCK FILL TURKEY RIVER POWER 187 TEFEN HEPP -33 ++ 2009-2014 Entire Dam INDIVIDUALLY AKSU Electric Gen. Inc. Karabük PLANT TURKEY RCC: Roller ENERJİ SA 188 MENGE DAM & HEPP 68 89 + 2009-2012 Entire Dam INDIVIDUALLY Adana Compacted Concrete Energy Gen. Inc. TURKEY RCC: Roller ENERJİ SA 189 KÖPRÜ DAM & HEPP 109 145 + 2009-2013 Entire Dam INDIVIDUALLY Adana Compacted Concrete Energy Gen. Inc. SAYAN WEIR TURKEY RIVER POWER KAREL 190 -12 ++ 2009-2011 Entire Dam INDIVIDUALLY & HEPP Osmaniye PLANT Electric Gen. Inc. KESKİN DAM TURKEY RCC: Roller NTF 191 205 164 + 2009 Entire Dam INDIVIDUALLY & HEPP Siirt Compacted Concrete Const. & Trade Co. Ltd. BAĞIŞTAŞ II DAM TURKEY CONCRETE AKDENİZLİ 192 21 49,80 + 2009-2010 Entire Dam YAPI TEKNİK & HEPP Erzincan GRAVITY Electric Gen. Inc. KIZKAYASI DAM TURKEY CONCRETE FACE ÇALIK Energy 193 165 112,1 ++ 2009-2012 Entire Dam INDIVIDUALLY & HEPP Bursa ROCK FILL Gen. & Mining Inc. BAĞIŞTAŞ I DAM TURKEY SAND-GRAVEL FILL + IC İÇTAŞ Bağıştaş 194 61 144 ++ 2009-2015 Entire Dam INDIVIDUALLY & HEPP Erzincan WITH CLAY CORE Rev. Energy Gen. Inc. - The explanation on the items with (+) for detail design services is given on page 18/18.

16.10.2018 Page: 13/18 LIST OF DAMS AND HYDROELECTRIC POWER PLANTS WHICH SU-YAPI HAS PARTICIPATED SINCE 1975

PURPOSE SERVICES PROVIDED

KAYABEYİ DAM TURKEY CONCRETE FACE PELİN Energy 201 134 77,50 +++ 2010-2014 Entire Dam INDIVIDUALLY & HEPP Ardahan ROCK FILL Gen & Trade Co. Ltd. TSKB + Garanti + GÖKTAŞ I TURKEY RCC: Roller Due Diligence and Investment 202 148 130 ++2010- INDIVIDUALLY Yapı Kredi + İş Bank / DAM & HEPP Adana Compacted Concrete Period Consultancy Services BEREKET Energy Inc. TSKB + Garanti + GÖKTAŞ II TURKEY RIVER POWER Due Diligence and Investment 203 40 157 ++2010-2015 INDIVIDUALLY Yapı Kredi + İş Bank / WEIR & HEPP Adana PLANT Period Consultancy Services BEREKET Energy Inc. TURKEY EARTH FILL 204 ÇAKMAK DAM 56 - + 2010-2012 Revision of Planning Report INDIVIDUALLY DSİ Edirne WITH CLAY CORE ŞENYAYLA I TURKEY RCC: Roller ME-ED Energy 205 40 9,80 +++ 2010- Entire Dam INDIVIDUALLY WEIR & HEPP Diyarbakır Compacted Concrete Electric Gen. Co.Ltd. ŞENYAYLA II TURKEY RCC: Roller ME-ED Energy 206 65 15,54 +++ 2010- Entire Dam INDIVIDUALLY WEIR & HEPP Diyarbakır Compacted Concrete Electric Gen. Co.Ltd. TURKEY RCC: Roller KARGI Energy 207 KARGI DAM & HEPP 65 100 +++ 2010-2016 Entire Dam INDIVIDUALLY Ankara Compacted Concrete Electric Gen. Inc. GÖKBEL I TURKEY RIVER POWER GÖKBEL Energy 208 62+ 2010 Entire Dam INDIVIDUALLY WEIR & HEPP Isparta PLANT Electric Gen. Inc. - The explanation on the items with (+) for detail design services is given on page 18/18.

16.10.2018 Page: 14/18 LIST OF DAMS AND HYDROELECTRIC POWER PLANTS WHICH SU-YAPI HAS PARTICIPATED SINCE 1975

PURPOSE SERVICES PROVIDED

HEIGHT INSTALLED FROM ASSOCIATING NO. PROJECT NAME LOCATION DAM TYPE POWER YEAR PAST WORKED ON CLIENT & REMARKS FOUNDATIO FIRMS (MW) N (m) ENERGY IRRIGATION MISCELLANEOUS FEASIBILITY FINAL DESIGN DETAIL DESIGN CONSTRUCTION SUPERVISION & CONS. BASIN MASTER PLAN GÖKBEL II TURKEY RIVER POWER GÖKBEL Energy 209 8,3 6,60 + 2010 Entire Dam INDIVIDUALLY WEIR & HEPP Burdur PLANT Electric Gen. Inc. DARAN I TURKEY RIVER POWER Due Diligence and Investment Yapı Kredi Bank 210 23,15 43,76 ++2010-2013 INDIVIDUALLY WEIR & HEPP Karaman PLANT Period Consultancy Services Kurtsuyu Elec.Gen.Inc. DARAN II TURKEY RIVER POWER Due Diligence and Investment Yapı Kredi Bank 211 13,10 18,54 ++2010-2013 INDIVIDUALLY WEIR & HEPP Karaman PLANT Period Consultancy Services Kurtsuyu Elec.Gen.Inc. NOBULEVI DAM RCC: Roller KLG LLC 212 GEORGIA 42 27,77 +++ 2011-2012 Entire Dam INDIVIDUALLY & HEPP Compacted Concrete (Kolin / Limak JV) TSKHIMRA DAM RCC: Roller KLG LLC 213 GEORGIA 97 44,62 +++ 2011-2013 Entire Dam INDIVIDUALLY & HEPP Compacted Concrete (Kolin / Limak JV) ERJIA I - II RCC: Roller 32 KLG LLC 214 GEORGIA 32,73 +++ 2011-2014 Entire Dam INDIVIDUALLY WEIR & HEPP Compacted Concrete 20 (Kolin / Limak JV) LECHEKKA DAM RCC: Roller KLG LLC 215 GEORGIA 60,50 25,31 +++ 2011- Entire Dam INDIVIDUALLY AND HEPP Compacted Concrete (Kolin / Limak JV) PEMBELİK DAM TURKEY RCC: Roller DARENHES 216 88 130,26 ++ 2010-2014 Entire Dam INDIVIDUALLY & HEPP Elazığ Compacted Concrete Elect. Gen. Inc. Garanti+Yapı Kredi+İş ARTVİN DAM TURKEY CONCRETE + Due Diligence and Investment 217 180 332 + 2011-2016 INDIVIDUALLY Bank+Vakıf Bank / & HEPP Artvin ARCH GRAVITY Rev. Period Consultancy Services Doğuş Energy TURKEY ROCK FILL 218 BALLIKAYA DAM 97 - + 2011 Entire Dam INDIVIDUALLY DSİ Adapazarı WITH CLAY CORE TORTUM II TURKEY RIVER POWER + Yapı Kredi Bank+Akbank 219 10 22 + 2011 Due Diligence Services INDIVIDUALLY WEIR & HEPP Erzurum PLANT Rev. Nur-Tek Elect. Gen. Inc. BİTLİS TURKEY RIVER POWER + Yapı Kredi Bank+Akbank 220 10 52,32 + 2011 Due Diligence Services INDIVIDUALLY WEIR & HEPP Bitlis PLANT Rev. Nuve Elect. Gen. Inc. ARINCIK WEIR TURKEY RIVER POWER + Yapı Kredi Bank+Akbank 221 11 19,00 + 2011 Due Diligence Services INDIVIDUALLY & AK HEPP Muş PLANT Rev. Özbey Energy KUŞAKLI TURKEY RIVER POWER ENERJİSA 222 14,50 20 + 2011-2014 Entire Dam INDIVIDUALLY WEIR & HEPP Adana PLANT Energy Gen. Inc.

TURKEY SAND+GRAVEL FILL LİMAK Const. 223 BURGAZ DAM & HEPP 115 - + 2011-2013 Entire Dam INDIVIDUALLY İzmir WITH CLAY CORE Trade & Ind. Inc. - The explanation on the items with (+) for detail design services is given on page 18/18.

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PURPOSE SERVICES PROVIDED

TURKEY RCC: Roller 230 ÇARDAK DAM 43,5 - + 2012-2013 Entire Dam INDIVIDUALLY DSİ Antalya Compacted Concrete TURKEY RCC: Roller 231 BEŞPARMAK DAM 45 - + 2012-2014 Entire Dam INDIVIDUALLY DSİ Aydın Compacted Concrete KAYRAKTEPE TURKEY RCC: Roller 232 165 290 + 2012-2015 Entire Dam INDIVIDUALLY DSİ DAM & HEPP Mersin Compacted Concrete

ALPASLAN II TURKEY ROCK FILL Alpaslan II Energy Gen. 233 116 280 + 2012-2014 Entire Dam INDIVIDUALLY DAM & HEPP Muş WITH CLAY CORE & Min. Ind. Trade Inc. YUSUFELİ DAM & TURKEY DOUBLE CURVATURE LCK Yusufeli 234 270 540 + 2013- Entire Dam INDIVIDUALLY HEPP Artvin CONCRETE ARCH Ordinary Partnership TURKEY RCC: Roller NUROL / CENGİZ 235 CİZRE HEPP 51,4 240 + 2013 Entire Dam INDIVIDUALLY Şırnak Compacted Concrete Partnership TURKEY RCC: Roller ÇATAK Enerji 236 CİZRE HEPP 51,4 240 + 2013-2014 Entire Dam INDIVIDUALLY Şırnak Compacted Concrete Elk. Üretim A.Ş. SAUDI CONCRETE KİT Müh. ve 237 ARADAH DAM 70,85 - + 2013-2014 Bottom Outlet Valve Chamber INDIVIDUALLY ARABIA GRAVITY Mak. Ltd. Şti. GÖKSU TURKEY RIVER POWER Due Diligence and Investment Ziraat Bank 238 6,1 16,56 + 2013-2016 INDIVIDUALLY WEIR & HEPP Bolu PLANT Period Consultancy Services Tek-En En.Ür.A.Ş. - The explanation on the items with (+) for detail design services is given on page 18/18.

16.10.2018 Page: 16/18 LIST OF DAMS AND HYDROELECTRIC POWER PLANTS WHICH SU-YAPI HAS PARTICIPATED SINCE 1975

PURPOSE SERVICES PROVIDED

HEIGHT INSTALLED FROM ASSOCIATING NO. PROJECT NAME LOCATION DAM TYPE POWER YEAR PAST WORKED ON CLIENT & REMARKS FOUNDATIO FIRMS (MW) N (m) ENERGY IRRIGATION MISCELLANEOUS FEASIBILITY FINAL DESIGN DETAIL DESIGN CONSTRUCTION SUPERVISION & CONS. BASIN MASTER PLAN KÖPRÜBAŞI TURKEY RIVER POWER Due Diligence and Investment Yapı Kredi Bank 239 68,20 + 2014-2016 INDIVIDUALLY WEIR & HEPP Trabzon PLANT Period Consultancy Services Küçük Enerji Ür. A.Ş. BALIKLI TURKEY RIVER POWER ASSU Elektrik Üretim 240 + 2014 Production Identification Report INDIVIDUALLY WEIR & HEPP Trabzon PLANT Ltd. Şti. OMAN Plastic Concrete Core 241 WADI KEED DAM + 9,5 - + 2015-2016 Entire Dam INDIVIDUALLY ATLAS Int. Eng. Cons. Bahla Sand-Gravel Fill WADI AL SEDERIYEEN OMAN Plastic Concrete Core 242 + 15 - + 2015-2016 Entire Dam INDIVIDUALLY ATLAS Int. Eng. Cons. DAM Dhank Sand-Gravel Fill OMAN Plastic Concrete Core 243 WADI SUROOR DAM + 15 - + 2015-2016 Entire Dam INDIVIDUALLY ATLAS Int. Eng. Cons. Yankul Sand-Gravel Fill WADI AL MAANTIYA OMAN Plastic Concrete Core 244 + 15 - + 2015-2016 Entire Dam INDIVIDUALLY ATLAS Int. Eng. Cons. DAM Al Rustaq Sand-Gravel Fill KONALGA TURKEY RIVER POWER + KONUKLU Enerji 245 + 10 23,75 2015 Entire Dam INDIVIDUALLY WEIR & HEPP Van PLANT Rev. Elk. Üretim A.Ş. SEKEREK TURKEY RIVER POWER + BİREN Enerji 246 + 8 25,84 2015 Entire Dam INDIVIDUALLY WEIR & HEPP Şırnak PLANT Rev. Elk. Ür. Ltd. Şti. ILISU TURKEY RIVER POWER + KONUKLU Enerji 247 + 10 36,29 2015 Entire Dam INDIVIDUALLY WEIR & HEPP Van PLANT Rev. Elk. Üretim A.Ş. KIZKAYASI TURKEY CONCRETE FACE ÇALIK Enerji Elk. Ür. Ve 248 + 165 116 + 2015-2016 Entire Dam INDIVIDUALLY DAM & HEPP Bursa ROCK FILL Madencilik A.Ş. KARATAŞ TURKEY RIVER POWER Yapı Kredi Bankası 249 + 8 10,0 + 2016- Entire Dam INDIVIDUALLY WEIR & HEPP Denizli PLANT Karaca HES En. Ür. A.Ş. TURKEY RIVER POWER Preliminary Report for Analysis ÇAMLICA Elektrik Üretim 250 SARAÇBENDİ HEPP + 8 24,61 + 2016 INDIVIDUALLY Sivas PLANT of Energy Generation Loss A.Ş: TURKEY CONCRETE FACE 251 BALLI DAM + 91 - + 2016-2018 Entire Dam INDIVIDUALLY DSİ Erzincan ROCK FILL TURKEY RIVER POWER Preliminary Report for Analysis YENİ DORUK Enerji Elk. 252 DORUK HEPP + + 2016 INDIVIDUALLY Giresun PLANT of Energy Generation Loss Üretim A.Ş. TURKEY RIVER POWER Feasibility Report for Installed 253 DOĞANKENT HEPP + 74,5 + 2016- INDIVIDUALLY KLK Enerji Üretim A.Ş. Giresun PLANT Power Increase - The explanation on the items with (+) for detail design services is given on page 18/18.

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PURPOSE SERVICES PROVIDED

1 - SU-YAPI HAS BEEN WORKING ON DAMS AND HEPP SINCE 1964. THE ABOVE LIST INCLUDES THE SERVICES THAT HAVE BEEN PERFORMED AFTER YEAR 1975.

2 - PRE-TENDER DRAWINGS FOR THE FACILITIES, CIVIL WORKS OF WHICH ARE BIDDED BY DSİ AND FOR WHICH THE DETAIL DESIGN IS PROVIDED TO THE CIVIL WORKS CONTRACTOR BY SU-YAPI, ARE BASED ONLY ON HYDRAULIC DIMENSIONS, OTHER THAN THE DRAWINGS FOR EMBANKMENT; THEREFORE, FINAL DESIGN FOR SUCH FACILITIES IS PERFORMED BY THE REQUIRED, STABILITY ANALYSIS AND STRUCTURAL DESIGN WHICH ARE CARRIED OUT WITHIN THE SCOPE OF DETAIL DESIGN STUDIES. FURTHERMORE, IF A NEED FOR DESIGN REVISION ARISES, TO COPE WITH THE SOIL, MATERIAL RESTRAINTS, CONSTRUCTION PROGRAM AND OPERATING CONDITIONS CONFRONTED IN CONSTRUCTION STAGE SUCH FINAL DESIGN REVISIONS ARE CARRIED OUT BY SU-YAPI AS WELL. THE DRAWINGS DURING DETAIL DESIGN PHASE ARE DEVELOPED IN PARALLEL TO THE CIVIL WORKS AND ACCORDING TO OUR CONTINOUS IN-SITU STUDIES AND SITE CONDITIONS.

3 - BOT : BUILD-OPERATE-TRANSFER MODEL, DSİ : GENERAL DIRECTORATE OF STATE HYDRAULIC WORKS

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