ACETO CORPORATION DECLARES SEMI-ANNUAL CASH DIVIDEND

Aceto Corporation (NASDAQ:ACET), a global distributor of chemically-derived pharmaceuticals, biopharmaceuticals, specialty chemicals and agrochemicals, today announced that its Board of Directors declared a regular semi-annual cash dividend of $0.075 per common share. The cash dividend will be distributed on January 11, 2006 to shareholders of record as of December 23, 2005.

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