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Canada
Net Present Value Summary (before tax) as at December 31, 2012
(December 31, 2012, escalated price forecast)
-------------------------------------------------------------------------------------------------------------------------------------------------------- Discounted Discounted Discounted Discounted($ thousands) Undiscounted at 5% at 10% at 15% at 20%----------------------------------------------------------------------------Proved producing 259,435 215,015 184,098 161,483 144,280Proved non- producing 51,720 40,995 33,880 28,836 25,068----------------------------------------------------------------------------Total proved developed 311,154 256,010 217,979 190,319 169,348Proved undeveloped 43,837 27,532 18,670 13,165 9,439----------------------------------------------------------------------------Total proved 354,991 283,542 236,649 203,484 178,786Probable additional 259,321 152,488 101,040 72,055 53,987----------------------------------------------------------------------------Total proved plus probable 614,313 436,030 337,689 275,539 232,773--------------------------------------------------------------------------------------------------------------------------------------------------------
Tunisia
Net Present Value Summary (before tax) as at December 31, 2012
(December 31, 2012, escalated price forecast)
-------------------------------------------------------------------------------------------------------------------------------------------------------- Discounted Discounted Discounted Discounted($ thousands) Undiscounted at 5% at 10% at 15% at 20%----------------------------------------------------------------------------Proved producing 75,608 70,863 66,870 63,464 60,523Proved non- producing 48,045 39,740 33,577 28,882 25,221----------------------------------------------------------------------------Total proved developed 123,652 110,603 100,447 92,346 85,745Proved undeveloped 208,986 170,114 139,562 114,869 94,503----------------------------------------------------------------------------Total proved 332,639 280,717 240,009 207,215 180,248Probable additional 584,083 454,094 360,169 290,557 237,856----------------------------------------------------------------------------Total proved plus probable 916,722 734,810 600,178 497,772 418,103--------------------------------------------------------------------------------------------------------------------------------------------------------
Consolidated
Net Present Value Summary (after tax) as at December 31, 2012
(December 31, 2012, escalated price forecast)
The after-tax NPV of Chinook's oil and natural gas properties reflects the tax burden on the properties on a stand-alone basis and does not consider the business-entity-level tax situation, or tax planning. It does not provide an estimate of the value at the level of the business entity, which may be significantly different. The financial statements and the management's discussion and analysis ("MD&A") of Chinook should be consulted for information at the level of the business entity.
-------------------------------------------------------------------------------------------------------------------------------------------------------- Discounted Discounted Discounted Discounted($ thousands) Undiscounted at 5% at 10% at 15% at 20%----------------------------------------------------------------------------Proved producing 320,508 272,832 239,105 214,042 194,689Proved non- producing 76,864 62,053 51,838 44,393 38,728----------------------------------------------------------------------------Total proved developed 397,372 334,885 290,943 258,435 233,417Proved undeveloped 177,286 133,276 102,307 78,794 60,152----------------------------------------------------------------------------Total proved 574,658 468,161 393,250 337,229 293,569Probable additional 573,538 409,305 309,563 242,414 194,482----------------------------------------------------------------------------Total proved plus probable 1,148,196 877,466 702,813 579,643 488,051--------------------------------------------------------------------------------------------------------------------------------------------------------



