Excel Technology, Inc. to Respond to Request for Additional Information in Connection with Proposed Acquisition by Coherent, In

Excel Technology, Inc. (NASDAQ: XLTC) announced today
that the Antitrust Division of the Department of Justice (DOJ) has
requested additional information and documentary material in
connection with its review of the proposed acquisition of Excel
Technology by Coherent, Inc. (Santa Clara, CA, Nasdaq: COHR). Excel
Technology intends to promptly respond to the DOJ request.
   The DOJ request extends the waiting period under the
Hart-Scott-Rodino Antitrust Improvements Act of 1976.

   About Excel Technology

   Founded in 1985, Excel Technology and its wholly owned
subsidiaries manufacture and market photonics-based solutions,
consisting of laser systems and electro-optical components, primarily
for industrial/commercial and scientific applications.

   About Coherent

   Founded in 1966, Coherent is a Standard & Poor's SmallCap 600
company and a world leader in providing photonics based solutions to
the commercial and scientific research markets.

   Additional Information and Where to Find It

   In connection with the merger, Excel Technology has filed a proxy
statement and other relevant documents concerning the acquisition with
the Securities and Exchange Commission (SEC). STOCKHOLDERS OF EXCEL
TECHNOLOGY ARE URGED TO READ THE PROXY STATEMENT AND ANY OTHER
RELEVANT DOCUMENTS FILED WITH THE SEC BECAUSE THEY CONTAIN IMPORTANT
INFORMATION. Investors and security holders can obtain free copies of
the proxy statement and other documents by contacting Investor
Relations, Excel Technology, 41 Research Way, E. Setauket, New York
11733 (Telephone: [phone]). In addition, documents filed with the
SEC by Excel Technology are available free of charge at the SEC's web
site at http://www.sec.gov.
   Information regarding the identity of the persons who may, under
SEC rules, be deemed to be participants in the solicitation of
stockholders of Excel Technology in connection with the transaction,
and their interests in the solicitation, are set forth in the proxy
statement that was filed by Excel Technology with the SEC.