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Chinook Energy Inc. Announces Its December 31, 2012 Reserves and Operations Update

Page 6 of 14

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--------------------------------------------------------------------------------------------------------------------------------------------------------

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