STACK DEVICES CO said unconsolidated sales in February rose 67.81% to NT$756,554,000 from NT$450,840,000, according to a statement filed to the Taiwan Stock Exchange.

(Figures are in thousands of New Taiwan dollars)

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2/2012 2/2011 Sales 756,554 450,840 YOY% 67.81%

-----------------Year-to-date----------------- Sales 1,519,449 882,888 YOY% 72.10% =================================================================