Mylan Relocates Corporate HeadquartersPITTSBURGH, Pa.--(BUSINESS WIRE)--April 10, 2003--Mylan Laboratories Inc. (NYSE: MYL) a leading developer, manufacturer and marketer of generic and proprietary pharmaceuticals announced today the relocation of its Corporate Headquarters to a new state-of-the-art office complex in Canonsburg, Pennsylvania.

The new offices, within the Horizon Center, located in the Southpointe Industrial Park offer a convenient location, with easy access to commuter arteries, the Pittsburgh International Airport and the Company's main manufacturing facility in Morgantown, West Virginia. The new location is more accessible for its employees, customers and other visitors.

Vice Chairman and CEO, Robert J. Coury stated, "Our relocation to Southpointe brings Mylan's Corporate Headquarters substantially closer to our main operating and development facility, as well as to our largest employee base. Although we remain committed to the Pittsburgh metropolitan area, the move is an ideal compromise between our need to be closer to our main operating facility and access to resources located in the Pittsburgh area."

Mylan will begin operating out of its new offices on Monday, April 14, 2003. The new contact information is:

 Mylan Laboratories Inc.
    1500 Corporate Drive
    Suite 400
    Canonsburg, PA 15317

    Phone: 724.514.1800
    Facsimile: 724.514.1870

Mylan Laboratories Inc. is a leading pharmaceutical company that develops, manufactures and markets generic and proprietary prescription products. Mylan has two operating segments that market an extensive line of generic and branded products through four business units: Mylan Pharmaceuticals Inc., Mylan Technologies Inc., UDL Laboratories, Inc. and Bertek Pharmaceuticals Inc. For more information about Mylan, visit www.mylan.com .

    CONTACT: Mylan Laboratories Inc., Pittsburgh Kris King
             412/232-0100

    SOURCE: Mylan Laboratories Inc.