OPTO TECH CORP said unconsolidated sales in June fell 18.04% to NT$534,514,000 from NT$652,203,000, according to a statement filed to the Taiwan Stock Exchange.

(Figures are in thousands of New Taiwan dollars)

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6/2012 6/2011 Sales 534,514 652,203 YOY% -18.04%

-----------------Year-to-date----------------- Sales 3,168,146 3,798,063 YOY% -16.59% =================================================================