Anton Oilfield Services Group reported that leading global oilfield services company Schlumberger has acquired 423,361,944 shares of Antonoil, representing approximately 20.10% of the Group's issued shares.

Schlumberger is the world's leading oilfield services company supplying technology, information solutions and integrated project management that optimize reservoir performance for customers working in the oil and gas industry. Schlumberger's revenue reached US$39.54 billion in 2011. Schlumberger is listed on the New York Stock Exchange, the Euronext Paris, Euronext Amsterdam, the London and the SWX Swiss stock exchanges.

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