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4IHS Herold Company Valuation & Strategy Research. BP Plc company update: The end of the road for TNK-BP[R].2012-06.
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6IHS Herold Transaction Valuation Research. Rosneft enters preliminary agreements to acquire 100% of Russian producer TNK-BP from BP and the AAR Group for approximately US$60 billion in cash and stock; BP to acquire additional 18.5% equity stake in Rosneft, raising its aggregate shareholding in the Russian NOC to 19.75%.2012-10.
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