Aceto Corporation (ACET) Chief Executive Officer to Ring the NASDAQ Stock Market Closing Bell

ADVISORY, Dec. 3, 2008 (GLOBE NEWSWIRE) --

 What:
 Leonard Schwartz, Chief Executive Officer of Aceto Corporation (ACET),
 will preside over the Closing Bell.

 Where:
 NASDAQ MarketSite - 4 Times Square - 43rd & Broadway - Broadcast Studio

 When:
 Thursday, December 4, 2008 at 3:45 - 4:00 p.m. ET

 Contacts:
 Ted Ayvas
 516.478.9526
 tayvas@aceto.com

 NASDAQ MarketSite:
 Jolene Libretto
 (646) 441-5220
 Jolene.Libretto@NASDAQOMX.com

Feed Information:

The Closing Bell is available from 3:50 p.m. to 4:05 p.m. on AMC-3/C-3 (ul 5985V; dl 3760H). The feed can also be found on Ascent fiber 1623. If you have any questions, please contact Jolene Libretto at (646) 441-5220.

Radio Feed:

An audio transmission of the Closing Bell is also available from 3:50 p.m. to 4:05 p.m. on uplink IA6 C band / transponder 24, downlink frequency 4180 horizontal. The feed can be found on Ascent fiber 1623 as well.

Webcast:

A live webcast of the NASDAQ Closing Bell will be available at: http://www.nasdaq.com/about/marketsitetowervideo.asx

Photos:

To obtain a hi-resolution photograph of the Market Close, please go to http://www.nasdaq.com/reference/marketsite_events.stm and click on the market close of your choice.

About Aceto Corporation (ACET):

Aceto Corporation, incorporated in 1947, is a global leader in the sourcing, quality assurance, regulatory support, marketing and distribution of chemically derived pharmaceuticals, biopharmaceuticals, specialty chemicals and crop protection products. With a physical presence in ten countries, we distribute over 1,000 pharmaceuticals and chemicals used principally as raw materials in the pharmaceutical, agricultural, color, surface coating/ink and general chemical consuming industries. Our global operations, including a staff of 26 in Shanghai and 12 in India, are unique in our industry and enable our worldwide sourcing and regulatory capabilities. We source approximately 67% of our products from Asia, buying from approximately 500 companies in China and approximately 200 companies in India. Our business is organized along product lines into three segments -- Health Sciences, Chemicals & Colorants and Crop Protection.

Importantly, beyond "traditional distribution," we add value for our customers and suppliers in terms of product development, providing access to new markets, plant audits, regulatory support, financial planning and logistics. Our revenue base is diverse, with no customer or product accounting for 10% of the business.

About NASDAQ OMX:

The NASDAQ OMX Group, Inc. is the world's largest exchange company. It delivers trading, exchange technology and public company services across six continents, and with over 3,900 companies, it is number one in worldwide listings among major markets. NASDAQ OMX offers multiple capital raising solutions to companies around the globe, including its U.S. listings market; the OMX Nordic Exchange, including First North; and the 144A PORTAL Market. The company offers trading across multiple asset classes including equities, derivatives, debt, commodities, structured products and ETFs. NASDAQ OMX technology supports the operations of over 60 exchanges, clearing organizations and central securities depositories in more than 50 countries. OMX Nordic Exchange is not a legal entity but describes the common offering from NASDAQ OMX exchanges in Helsinki, Copenhagen, Stockholm, Iceland, Tallinn, Riga, and Vilnius. For more information about NASDAQ OMX, visit http://www.nasdaqomx.com/.

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