BUZZ-Pengrowth Energy Corp: Reserves rise at thermal oil project
** Canadian oil and gas explorer's U.S.-listed shares rose 4.6 pct to $7.10 after market on Tuesday
** Company says proved and probable reserves at thermal oil Lindbergh project in east central Alberta rose 61 pct in the five months to end-May
** Additional proved reserves rose 24 pct
** Expects first commercial bitumen production at Lindbergh to be achieved in first quarter of 2015
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