Olin Corp. (NYSE:OLN) reported that sales in its Winchester division were $132.9 million in the first quarter, up 20 percent from $110.8 million in the same period a year ago. "Winchester achieved the highest level of quarterly earnings in its history, reflecting the continuation of the stronger than normal demand that began in the fourth quarter of 2008," said Joseph D. Rupp, Olin chairman, president and CEO.