CONTACT: Richard R Current, Vice President & CFO, 517/372-9200

LANSING, Mich., June 26, 2006 – Neogen Corporation (NASDAQ: NEOG) announced today that it has been included in the new NASDAQ Global Select Market. The NASDAQ Global Select Market has the highest initial listing standards of any exchange in the world based on financial and liquidity requirements. Prior to the change, Neogen had been listed on the NASDAQ National Market.

The new NASDAQ Global Select Market tier, which will become effective on July 3, includes approximately 1,200 companies of the approximately 3,200 companies listed by NASDAQ. In conjunction with the creation of the new tier, NASDAQ will rename the NASDAQ National Market the NASDAQ Global Market.

“Neogen is an example of an industry leader that has achieved superior listing standards, which clearly defines the essence of the NASDAQ Global Select Market,” said Bruce Aust, a NASDAQ vice president. “In recognizing these companies, we are highlighting their achievement in meeting the requirements to be included in the market with the highest listing standards in the world.”

Neogen to announce FY 2006 results on July 25
Neogen has scheduled the release of results for its 2006 fiscal year, which ended May 31, for Tuesday, July 25. Neogen CEO James Herbert and President Lon Bohannon will host a conference call at 11 a.m. ET that day to discuss Neogen’s performance for the fiscal year.

Neogen Corporation develops and markets products and services dedicated to food and animal safety. Neogen’s Food Safety Division markets dehydrated culture media, and diagnostic test kits to detect foodborne bacteria, natural toxins, genetic modifications, food allergens, unique proteins, drug residues, plant diseases and sanitation concerns. Neogen’s Animal Safety Division markets a complete line of diagnostics, veterinary instruments, veterinary pharmaceuticals, nutritional supplements, disinfectants and rodenticides.

Forward-Looking Statements
Certain portions of this news release that do not relate to historical financial information constitute forward-looking statements. These forward-looking statements are subject to certain risks and uncertainties. Actual future results and trends may differ materially from historical results or those expected depending on a variety of factors listed in Management’s Discussion and Analysis of Financial Condition and Results of Operations in the Company’s most recently filed Form 10-K.