ANGOLA-CONCESSIONS

8º0’0”E 10º0’0”E 12º0’0”E 14º0’0”E 16º0’0”E

ONSHORE AND OFFSHORE PRODUCTION ACTIVITY CONGO

BLOCk-2 / 85 R.D.CONGO BLOCk-0 ÁREA (A,B) PETROBRAS 27.50% BLOCk - 3 SONANGOL P&P (OP) 25.00% CANUKU CABINDA ONSHORE CHEVRON (OP) 39.20% CHEVRON 20.00% SONANGOL 41.00% SOMOIL 09.30% SONANGOL P&P (OP) 100.00% CN TOTAL 10.00% POLIEDRO OIL, CO. 09.10% ENI 09.80% KOTOIL, S.A. 09.10% R.D.C

BLOCk - 3 / 05 BLOCk - 3 / 91 CC SONANGOL P&P (OP) 25.00% TOTAL (OP) 50.00% FST ASSOCIATION 0 CHINA SONANGOL 25.00% SONANGOL 06.25% AJOCO 20.00% ENI 15.00% SOMOIL (OP) 15.00% CS ENI 12.00% AJOCO 12.50% SONANGOL 63.67% 2500m 3000m 14 SOMOIL 10.00% SVENSKA 06.25% CHEVRON 16.33% NAFTGAS 04.00% INA-NAFTA 05.00% SONANGOL P&P 05.00% 6º0’0”S INA-NAFTA 04.00% NAFTAGAS 05.00% 6º0’0”S

46 FS ASSOCIATION 1/06

SOMOIL (OP) 15.00% 15/06 SONANGOL 80.00% 31 SONANGOL P&P 05.00% LOWER CONGO BASIN 47 2/05

ONSHORE AND OFFSHORE EXPLORATION ACTIVITY 16 3/05-A CABINDA NORTHERN CABINDA SOUTHERN 1500m BLOCK-0 ÁREA (A,B) SONANGOL P&P (OP) 20.00% 48 N’ZETO CHEVRON (OP) 39.20% TEIKOKU 17.00% PLUS PETROL (OP) 55.00% 32 20m SONANGOL 41.00% SOCO 17.00% SONANGOL P&P 20.00% 17/06 TOTAL 10.00% ACREP S.A. 15.00% FORCE PETROLEUM LDTE 20.00% ENI 09.80% CHINA SONANGOL 11.00% CUPET 15.00% 05.00% 4 ENI 10.00% PETROPARS 10.00% 49

BLOCK-2 / 05 BLOCK- 3/05A BLOCK - 4 / 05 AMBRIZ SONANGOL P&P (OP) 50.00% SONANGOL P&P (OP) 25.00% SONANGOL P&P (OP) 50.00% 33 SOMOIL 30.00% CHINA SONANGOL 25.00% STATOIL 20.00% AJOCO 20.00% 8º0’0”S 8º0’0”S KOTOIL 10.00% SOMOIL 15.00% 18/6 POLIEDRO OIL CO. S.A. 10.00% ENI 12.00% ACREP 15.00% 50 SOMOIL 10.00% 5 NAFTGAS 04.00% INA-NAFTA 04.00% 34

KON1 BLOCK - 5 / 06 BLOCK- 6/06 BLOCK - 8 PETROBRAS (OP) 40.00% 19 VAALCO ENERGY (OP) 40.00% SONANGOL P&P 20.00% MAERSK OIL & GAS (OP) 50.00% KON3 LIVRE (EX-INTER OIL) 40.00% SVENSKA 30.00% KON2 LIVRE (EX-INTER OIL) 20.00% 35 SONANGOL P&P 20.00% FALCON OIL 10.00% SONANGOL P&P 20.00% 6 INITIAL OIL & GAS 10.00% KON4 KON5 KON6 KON7

BLOCK - 9/09 KON8 KON9 KON10 KWANZA BASIN COBALT (OP) 40.00% SONANGOL P&P 20.00% 36 20 NAZAKI OIL & GAS 30.00% ALPER OIL 10.00% 7 KON11 KON12 KON13 KON14

2000m

50m DEEP WATER PRODUCTION ACTIVITY KON15 KON16 KON17 KON18 10º0’0”S 10º0’0”S 37

BLOCK - 14 BLOCK - 15 BLOCK - 17 21 KON19 KON20 CHEVRON (OP) 31.00% ESSO (OP) 40.00% TOTAL (OP) 40.00% SONANGOL P&P 20.00% BP 26.67% ESSO 20.00% ULTRA DEEP WATER WEST 8 ENI 20.00% ENI 20.00% BP 16.67% KON21 TOTAL 20.00% STATOIL 13.33% STATOIL 23.33% KON22 PETROGAL 09.00% 38 22

BLOCK - 18 KON23 BP (OP) 50.00%

SSI 50.00% 9 23

39 DEEP WATER EXPLORATION ACTIVITY

BLOCK - 15 / 06 BLOCK - 16 BLOCK - 14 ENI (OP) 35.00% SSI 25.00% CHEVRON (OP) 31.00% MAERSK OIL & GAS (OP) 65.00% 24 SONANGOL P&P 20.00% SONANGOL P&P 15.00% SONANGOL P&P 20.00% 40 ENI 20.00% TOTAL 15.00% TENENGE 15.00% TOTAL 20.00% FALCON OIL 05.00% 10 12º0’0”S 12º0’0”S PETROGAL 09.00% STATOIL 05.00% BASIN 25 BLOCK - 17 / 06 BLOCK - 18 / 06 BLOCK - 19/11 TOTAL (OP) 30.00% PETROBRAS (OP) 30.00% BP (OP) 50.00% 41 SSI 27.50% SSI 40.00% BENGUELA SONANGOL P&P 20.00% SONANGOL P&P 20.00% SONANGOL P&P 40.00% SOMOIL 10.00% FALCON OIL 05.00% CHINA SONANGOL 10.00% FALCON OIL 05.00% GEMINAS 05.00% ACREP 17 S.A. 05.00% 26 PARTEX 02.50%

BLOCK - 22/11 BLOCK - 20/11 BLOCK - 21/09 REPSOL 22 B.V. (OP) 30.00% COBALT (OP) 40.00% 42 COBALT (OP) 40.00% NAZAKI OIL & GAS 30.00% SONANGOL P&P 50.00% SONANGOL P&P 30.00% SONANGOL P&P 20.00% STATOIL 20.00% BP 30.00% ALPER OIL 10.00% 27

BLOCK - 23 BLOCK - 24/11 BLOCK - 25/11 11 14º0’0”S MAERSK OIL & GAS (OP) 50.00% BP (OP) 50.00% TOTAL (OP) 35.00% 14º0’0”S SVENSKA 30.00% SONANGOL P&P 30.00% SONANGOL P&P 20.00% STATOIL 20.00% BP 15.00%

ATLANTIC OCEAN 43 BLOCK - 26/06

PETROBRAS (OP) 40.00% 28 BP 40.00% NAMIBE BASIN ULTRA DEEP WATER EXPLORATION ACTIVITY NAMIBE BLOCK - 31 BLOCK - 32 BLOCK - 33 SONANGOL P&P (OP) 20.00% TOTAL (OP) 30.00% 29 SONANGOL P&P 20.00% TOTAL (OP) 58.67% SONANGOL 25.00% SONANGOL P&P 20.00% 44 12 BP (OP) 26.67% ESSO 15.00% MARATHON 10.00% FALCON OIL 16.00% STATOIL 13.33% GALP 05.33% MARATHON 10.00% GALP 05.00% TOMBWA CHINA SONANGOL 05.00% CHINA SONANGOL 20.00% 16º0’0”S 16º0’0”S BLOCK - 34 BLOCK - 35/11 BLOCK - 36/11 SONANGOL P&P (OP) 20.00% ENI (OP) 30.00% CONOCOPHILLIPS (OP) 30.00% STATOIL HYDRO 50.00% SONANGOL P&P 45.00% SONANGOL P&P 50.00% PETROBRAS 30.00% REPSOL 25.00% CHINA SONANGOL 20.00%

45 30

BLOCK - 37/11 BLOCK - 38/11 BLOCK - 39/11 13 VE R LEGEND CONOCOPHILLIPS (OP) 30.00% STATOIL (OP) 55.00% STATOIL (OP) 55.00% RI SONANGOL P&P 50.00% SONANGOL P&P 30.00% SONANGOL P&P 30.00% CHINA SONANGOL 15.00% TOTAL 15.00% EXPLORATION AREA FREE AREAS REPSOL 20.00% C U E N E N PRODUCTION AREA ONSHORE

RIVER BLOCK - 40/11 CITY BOUNDARY TOWN TOTAL (OP) 50.00% NAMIBIA BATHYMETRIC SONANGOL P&P 30.00% STATOIL 20.00%

6º0’0”E 8º0’0”E 10º0’0”E 12º0’0”E 14º0’0”E 16º0’0”E

GAD201205-DMC0005-I