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Note 3 - Acquisition and Dispositions - Unaudited Proforma Results (Details) - Etame Marine Block [Member] - USD ($) $ / shares in Units, shares in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2022
Crude oil, natural gas and natural gas liquids sales | [1] | $ 183,665 |  | $ 304,792 |
Operating income |  | 110,091,000 | [2] | 171,518,000 | [3]
Net income |  | $ 41,818,000 | [2] | $ 72,857,000 | [4]
Basic net income per share: (in dollars per share) |  | $ 0.39 |  | $ 0.67 |
Basic weighted average shares outstanding (in shares) |  | 108,232 |  | 108,121 |
Diluted net income per share: (in dollars per share) |  | $ 0.38 |  | $ 0.67 |
Diluted weighted average shares outstanding (in shares) |  | 108,668 |  | 108,585 |
[1] | The unaudited pro forma net revenues associated with Crude oil, natural gas and natural gas liquids sales have been adjusted for shipping and handling costs based on the Company’s historical policy and revenue recognition is based on the Company’s working interest, less royalties, the entitlement method.
[2] | The unaudited pro forma operating income for the three months ended June 30, 2022 reclassifies depreciation expense, for certain leases identified as operating leases, to production expense and adjusts depreciation, depletion and amortization expense related to the depletable assets and asset retirement obligations acquired in the arrangement based on the purchase price allocation.
[3] | The unaudited pro forma operating income for the six months ended June 30, 2022 removes the $26.0 million impairment reversal recorded by TransGlobe in 2022, reclassifies depreciation expense, for certain leases identified as operating leases, to production expense and adjusts depreciation, depletion and amortization expense related to the depletable assets and asset retirement obligations acquired in the arrangement based on the purchase price allocation.
[4] | The unaudited pro forma net income for the six months ended June 30, 2022 reclassifies interest expense, for certain leases identified as operating leases, as production expense.

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