VOLUNTARY AND MANDATORY SURRENDERS 2008

Licence Block Operator Status

P.224 29/2d CNR Block partially surrendered 1st Jan.

P.185 30/11b Venture Block partially surrendered 3rd Jan.

30/12b Venture Block partially surrendered 3rd Jan.

P.467 48/23a Tullow Licence surrendered 4th Jan.

P.007 49/24a Tullow Block partially surrendered 16th Jan.

P.037 48/11a Perenco Block partially surrendered 16th Jan.

P.264 23/26b Chevron Block partially surrendered 16th Jan.

P.786 53/3c Tullow Block partially surrendered 16th Jan.

P.025 53/1a Perenco Block partially surrendered 17th Jan.

P.064 49/30a Perenco Block partially surrendered 17th Jan.

P.1038 30/24a Quadrant Licence surrendered 23rd Jan.

P.1405 30/24b Quadrant Licence surrendered 24th Jan.

30/25b Quadrant Licence surrendered 24th Jan.

P.1156 43/20c RWE Licence surrendered 29th Feb.

P.1441 47/18 Granby Block partially surrendered 13th March.

47/13b Granby Block surrendered 13th March.

P.194 9/5a Total Block partially surrendered 27th March.

P.921 9/5c Total Licence surrendered 29th March.

P.978 9/4c Total Licence surrendered 29th March.

P.1078 9/3b Xcite Block partially surrendered 29th March.

P.1503 214/19 Plectrum Licence surrendered 31st March.

214/20 Plectrum Licence surrendered 31st March.

P.1527 43/1 Scotsdale Block surrendered 31st March.

43/2 Scotsdale Block partially surrendered 31st March.

43/3 Scotsdale Block partially surrendered 31st March.

P.1528 44/1 Scotsdale Block partially surrendered 31st March.

44/2 Scotsdale Block partially surrendered 31st March.

44/3 Scotsdale Block surrendered 31st March.

P.902 206/2a Chevron Block partially surrendered 24th May.

214/27a Chevron Block partially surrendered 24th May.

P.1395 12/22a Encore Block surrendered 24th May.

P.743 21/16a Venture Licence surrendered 14th June.

P.1258 15/10 Noble Licence surrendered 27th June.

P.637 13/26a Talisman Licence surrendered 18th July.

P.1054 42/27a RWE Licence surrendered 23rd July.

P.1133 42/26a RWE Licence surrendered 23rd July.

P.1048 21/6a Oilexco Licence surrendered 24th July.

P.1264 28/5b Talisman Licence surrendered 3rd Sept.

28/10a Talisman Licence surrendered 3rd Sept.

P.1107 21/8 Lundin Block partially surrendered 4th Sept.

P.1109 21/14 Lundin Block partially surrendered 4th Sept.

21/15b Lundin Block partially surrendered 4th Sept.

P.007 48/24a Century Block partially surrendered 16th Sept.

48/25a Century Block surrendered 16th Sept.

P.011 29/20a Maersk Block surrendered 17th Sept.

30/11a Maersk Block surrendered 17th Sept.

P.1012 48/23c Century Licence surrendered 19th Sept.

P.1095 16/21d Maersk Block partially surrendered 25th Sept.

P.1096 19/2 Century Block partially surrendered 29th Sept.

P.1097 19/3 Nexen Licence surrendered 30th Sept.

19/4 Nexen Licence surrendered 30th Sept.

P.1127 38/5 Nexen Licence surrendered 30th Sept.

P.1168 3/19c Apache Licence surrendered 30th Sept.

3/23a Apache Licence surrendered 30th Sept.

3/24c Apache Licence surrendered 30th Sept.

P.1169 3/20c Total Block partially surrendered 22nd Oct.

P.1191 205/1 Chevron Block partially surrendered 29th Oct.

P.1155 113/21a Conoco Licence surrendered 31st October.

113/22a Conoco Licence surrendered 31st October.

P.1292 15/11a Talisman Licence surrendered 3rd Nov.

P.1221 22/22c Venture Block partially surrendered 14th Nov.

P.477 16/13c Conoco Licence surrendered 20th Nov.

P.1045 16/18b Conoco Licence surrendered 20th Nov.

P.1301 12/17b Lundin Licence surrendered 22nd Nov.

P.057 30/1a Maersk Block surrendered 24th Nov.

P.363 30/1e Maersk Block surrendered 24th Nov.

P.1189 204/4 Hess Block partially surrendered 29th Nov.

204/5 Hess Block partially surrendered 29th Nov.

P.1193 213/21 Chevron Licence surrendered 29th Nov.

P.1208 9/22a Valiant Block partially surrendered 29th Nov.

P.1212 15/13b Nexen Block partially surrendered 29th Nov.

P.1214 16/2b Stratic Block partially surrendered 29th Nov.

P.1220 21/23a Oilexco Block partially surrendered 29th Nov.

P.1230 42/13 Sterling Block partially surrendered 29th Nov.

P.1231 42/19 Sterling Block partially surrendered 29th Nov.

42/20 Sterling Block partially surrendered 29th Nov.

42/24 Sterling Block partially surrendered 29th Nov.

P.1253 54/1b Serica Block partially surrendered 29th Nov.

P.1352 18/5 Encore Block partially surrendered 29th Nov.

P.1242 48/1a Dana Block partially surrendered 29th Nov.

P.1167 3/18 Apache Licence surrendered 30th Nov.

P.1173 16/24a Fairfield Licence surrendered 30th Nov.

16/29e Fairfield Licence surrendered 30th Nov.

P.1174 16/29d Fairfield Licence surrendered 30th Nov.

P.1178 22/3b BG Block partially surrendered 30th Nov.

22/4b BG Block partially surrendered 30th Nov.

22/8b BG Block partially surrendered 30th Nov.

P.1179 22/6b Apache Licence surrendered 30th Nov.

P.1181 23/22b Premier Block partially surrendered 30th Nov.

P.1183 31/26b Endeavour Licence surrendered 30th Nov.

39/1b Endeavour Licence surrendered 30th Nov.

P.1228 30/23b Endeavour Licence surrendered 30th Nov.

P.1237 43/8a Encore Licence surrendered 30th Nov.

P.1239 44/24b Wintershall Block partially surrendered 30th Nov.

P.1243 48/1b Encore Block partially surrendered 30th Nov.

P.1182 30/30 OMV Licence surrendered 1st Dec.

P.1177 21/7b Premier Licence surrendered 4th Dec.

P.611 44/24a GDF Block partially surrendered 8th Dec.

P.976 8/25a Canamens Block partially surrendered 14th Dec.

P.979 9/11c Nautical Block partially surrendered 14th Dec.

P.1312 22/10b Apache Licence surrendered 15th Dec.

23/6 Apache Licence surrendered 15th Dec.

P.1351 47/19 Bridge Block partially surrendered 20th Dec.

47/24a Bridge Block surrendered 20th Dec.

47/25a Bridge Block partially surrendered 20th Dec.

P.1385 19/1b Century Licence surrendered 20th Dec.

P.1291 14/15b Bridge Licence surrendered 21st Dec.

15/11b Bridge Licence surrendered 21st Dec.

P.1402 13/21c BG Licence surrendered 21st Dec.

P.226 210/15a Fina Block partially surrendered 22nd Dec.

P.133 53/3a Tullow Block surrendered 26th Dec.

P.268 3/10b Total Block partially surrendered 26th Dec.

P.666 29/5d Elf Block surrendered 26th Dec.

P.008 49/19 Shell Block partially surrendered 30th Dec.

P.016 49/27 Perenco Block partially surrendered 30th Dec.

P.030 47/8a BG Block partially surrendered 30th Dec.

47/9a BG Block partially surrendered 30th Dec.

P.037 48/11a Perenco Block partially surrendered 30th Dec.

P.064 49/30a Shell Block partially surrendered 30th Dec.

P.073 21/12a Venture Block partially surrendered 30th Dec.

P.105 49/29a Perenco Block partially surrendered 30th Dec.

P.110 16/29a BG Block partially surrendered 30th Dec.

P.119 15/29c Chevron Block surrendered 30th Dec.

P.133 47/15a BG Block partially surrendered 30th Dec.

P.188 22/30b Shell Block partially surrendered 30th Dec.

P.257 14/29a Shell Block partially surrendered 30th Dec.

P.590 15/29b Conoco Block partially surrendered 30th Dec.

P.739 20/3b Shell Block partially surrendered 30th Dec.

P.780 48/17c Perenco Block partially surrendered 30th Dec.

P.883 21/11a Venture Block partially surrendered 30th Dec.

P.958 154/1 Enterprise Block partially surrendered 30th Dec.

154/6a Enterprise Block surrendered 30th Dec.

154/7a Enterprise Block surrendered 30th Dec.

P.959 164/26 Statoil Licence surrendered 31st Dec.