Aceto Corporation Schedules Fiscal 2008 Third Quarter Financial Results News Release and Conference Call.

LAKE SUCCESS, N.Y. -- Aceto Corporation (NASDAQ:ACET), a global leader in the sourcing, regulatory support, marketing and distribution of chemically derived pharmaceuticals, biopharmaceuticals, specialty chemicals and crop protection products, today announced that it will issue its financial results of operations for its 2008 fiscal third quarter and nine months ended March 31, 2008 before the stock market opens on Friday, May 9, 2008. That morning, at 10:00 am ET, Leonard S. Schwartz, Chairman, CEO, and President, and Douglas Roth, CFO, will conduct a conference call.

Interested parties may participate in the call by dialing 888-787-0577 (706-679-3204 for international callers) - please call in 10 minutes before the call is scheduled to begin, and ask for the Aceto call (conference ID # 44703483). The conference call will also be webcast live via the Investor Relations section of our website, www.aceto.com. To listen to the live call please go to the website at least 15 minutes early to register, download and install any necessary audio software. The conference call will be archived on the Company's website, and a recorded phone replay will also be available from 1:00 p.m. ET on Friday May 9, 2008 until 5:00 p.m. ET on Monday May 12, 2008. Dial 800-642-1687 (706-645-9291 for international callers) and enter the code 44703483 for the phone replay.

ABOUT ACETO

Aceto Corporation, incorporated in 1947, is a global leader in the sourcing, regulatory support, marketing and distribution of chemically derived pharmaceuticals, biopharmaceuticals, specialty chemicals and crop protection products. With a physical presence in ten countries, Aceto distributes over 1000 chemicals and pharmaceuticals used principally as raw materials in the pharmaceutical, agricultural, surface coating/ink and general chemical consuming industries. Aceto's global operations, including a staff of 26 in Shanghai and 12 in India are unique in the industry and enable its worldwide sourcing and regulatory capabilities. (ACET-F)