Oil States Announces First Quarter Earnings of $1.13 per Share HOUSTON , May 7, 2009 (GLOBE NEWSWIRE) -- Oil States International, Inc. (NYSE:OIS) today reported net income for the quarter ended March 31, 2009 of $56.1 million , or $1.13 per diluted share, compared to $65.5 million , or $1.29 per