Aceto to Present at First Analysis Investment Conference; Company Schedules First Quarter Financial Results News Release and Conference Call.

Business Editors

First Analysis Investment Conference

LAKE SUCCESS, N.Y.--(BUSINESS WIRE)--Oct. 20, 2003

Aceto Corporation (Nasdaq: ACET), a global distributor of pharmaceuticals and specialty chemicals, today announced that Leonard S. Schwartz, Chairman, CEO and President, and Douglas Roth, CFO, will present at the First Analysis Investment Conference in New York on Thursday, November 6, 2003 at approximately 3:35 p.m. ET.

The audio/visual presentation will be broadcast live over the Internet via the Events page of the Investor Relations section of the Company's website at www.aceto.com. Interested parties are advised to go to the site at least 15 minutes early to register, download and install any necessary audio software. If unable to listen live, the presentation will be archived.

Earlier on November 6, 2003, Aceto will issue its financial results for the first quarter ended September 30, 2003 before the stock market opens, and Mr. Schwartz and Mr. Roth will conduct a conference call at 10:00 a.m. ET. Interested parties may participate in the call by dialing 877-807-0527 (973-935-8504 for international callers). Please call in 10 minutes before the call is scheduled to begin, and ask for the Aceto call.

The conference call will also be broadcast live over the Internet via the Investor Relations section of the Company's website at 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. If you are unable to listen live, the conference call will be archived on the Company's website. A recorded phone replay of the call will also be available from 12:00 noon ET on Thursday, November 6, 2003 until 5:00 p.m. ET on Friday, November 7, 2003. Interested parties may dial 877-519-4471 (973-341-3080 for international callers) and enter the code 4254679 for the phone replay.

ABOUT ACETO

Aceto Corporation, which was incorporated in 1947, is a global leader in the distribution and marketing of pharmaceutical/specialty chemicals used principally as raw materials in the agricultural, color, pharmaceutical, surface coating/ink and general chemical consuming industries. With offices in over nine countries, Aceto Corporation distributes over 1,000 chemicals in these and other fields.

This presentation and conference call referenced in this news release may contain forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, which are based on current expectations, estimates and projections made by management. The Company intends for the forward-looking statements to be covered by the safe-harbor provisions for forward-looking statements. Words such as "anticipates," "expects," "intends," "plans," "believes," "seeks," "estimates," or variations of such words are intended to identify such forward-looking statements. All forward-looking statements are made as of the date thereof, and the Company assumes no obligation to update these forward-looking statements whether as a result of new information, future events or otherwise. The forward-looking statements are subject to risks and uncertainties that could cause actual results to differ materially from those set forth or implied by any forward-looking statements. These uncertainties include, but are not limited to, economic and political conditions in the United States and abroad, as well as other risks detailed in the Company's SEC reports, including the Company's Form 10-K and other filings. Copies of these filings are available through the SEC's electronic data gathering analysis and retrieval system (EDGAR) at www.sec.gov.