Item 8.01 Other Events

On May 30, 2012, Aceto Corporation (the "Company") issued the attached press release that included a letter to the shareholders of the Company (the "Shareholders Letter") that was sent on May 29, 2012. A copy of the press release, which includes the Shareholders Letter, is attached as Exhibit 99.1 to this Report on Form 8-K. The information in this Report shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities under that Section, nor shall it be deemed to be incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such a filing.

Item 9.01 Financial Statements and Exhibits

(d) Exhibits

Exhibit 99.1 Press Release issued by Aceto Corporation dated May 30, 2012

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