PITTSBURGH, July 25, 2005 /PRNewswire-FirstCall via COMTEX/ -- Mylan Laboratories Inc. (NYSE: MYL) today announced that High River Limited Partnership, an entity controlled by Carl Icahn, has for the second time dropped its lawsuit against Mylan related to the scheduling of Mylan's annual meeting and adoption of bylaw changes in February. The lawsuit had been filed in a Pennsylvania federal district court. High River had filed a virtually identical suit in March, then withdrew it after the court denied its application for a temporary restraining order.

About Mylan Laboratories

Mylan Laboratories Inc. is a leading pharmaceutical company with three principal subsidiaries, Mylan Pharmaceuticals Inc., Mylan Technologies Inc. and UDL Laboratories, Inc., that develop, license, manufacture, market and distribute an extensive line of generic and proprietary products.

Additional Information and Where to Find It:

IN CONNECTION WITH MYLAN'S 2005 ANNUAL MEETING OF SHAREHOLDERS (THE "ANNUAL MEETING"), MYLAN WILL FILE RELEVANT MATERIALS WITH THE SECURITIES AND EXCHANGE COMMISSION (THE "SEC"), INCLUDING A PRELIMINARY PROXY STATEMENT AND A DEFINITIVE PROXY STATEMENT. INVESTORS AND SHAREHOLDERS OF MYLAN ARE URGED TO CAREFULLY READ THESE MATERIALS (WHEN THEY BECOME AVAILABLE), AS WELL AS ANY AMENDMENTS OR SUPPLEMENTS TO THOSE DOCUMENTS, BECAUSE THESE DOCUMENTS WILL CONTAIN IMPORTANT INFORMATION.

INVESTORS AND SHAREHOLDERS MAY OBTAIN THESE DOCUMENTS (AND ANY OTHER DOCUMENTS FILED BY MYLAN WITH THE SEC IN CONNECTION WITH THE ANNUAL MEETING) FREE OF CHARGE AT THE SEC'S WEBSITE AT WWW.SEC.GOV. IN ADDITION, THE DOCUMENTS FILED WITH THE SEC BY MYLAN MAY BE OBTAINED FREE OF CHARGE BY DIRECTING SUCH REQUESTS TO: MYLAN LABORATORIES INC., ATTENTION: INVESTOR RELATIONS, 1500 CORPORATE DRIVE, CANONSBURG, PA 15317, OR FROM MYLAN'S WEBSITE AT WWW.MYLAN.COM.

Mylan, its executive officers and its directors may be deemed to be participants in Mylan's solicitation of proxies from shareholders in connection with the Annual Meeting scheduled to be held on October 28, 2005. Information about the executive officers and directors of Mylan and their ownership of Mylan common stock is set forth in the proxy statement for Mylan's 2004 Annual Meeting of Shareholders, which was filed with the SEC on June 28, 2004, and in press releases and Forms 3 and 4 for executive officers who have since joined Mylan, and in Forms 4 and 5 filed thereafter.

SOURCE Mylan Laboratories Inc.

Patrick Fitzgerald, Public Relations, or Kris King, Investor Relations of Mylan
Laboratories Inc., +1-724-514-1800