MILFORD, Mass.--(BUSINESS WIRE)--Waters Corporation (NYSE/WAT) reported fourth quarter 2009 sales of $429 million, an increase of 3% from sales of $418 million in the fourth quarter of 2008. In the quarter, foreign currency translation increased sales growth rate by 4% and on a currency neutral basis, sales decreased by 1% in comparison to the prior year’s fourth quarter sales. On a GAAP basis, earnings per diluted share (E.P.S.) for the fourth quarter were $1.08, compared to $1.01 for the fourth quarter of 2008. On a non-GAAP basis, including the adjustments in the attached reconciliation, E.P.S. grew 5% to $1.12 from $1.07 in the fourth quarter of 2008.