PITTSBURGH, Apr 29, 2004 /PRNewswire-FirstCall via COMTEX/ -- Mylan Laboratories Inc. (NYSE: MYL) announced today that it will release its fourth quarter and fiscal 2004 financial results before the market opens on Tuesday, May 11, 2004.

Mylan management will host a conference call and live Webcast on Tuesday, May 11, 2004 at 10:00 AM EST to discuss its fourth quarter and fiscal 2004 financial results. The dial-in-number to access this call is (719) 457-2645. In addition to the live call, a replay will be available from approximately 12:00 PM EST on May 11, through 12:00 PM EST May 18, and can be accessed by dialing (719) 457-0820 with access pass code 647878.

To access the live Webcast, go to Mylan's website at www.mylan.com and click on the Webcast icon at least 15 minutes before the call is to begin to register and download or install any necessary audio software. If you are unable to listen to the live Webcast, please access www.mylan.com at any time within seven days to listen to a replay of the Webcast.

Mylan Laboratories Inc. is a leading pharmaceutical company with four subsidiaries, Mylan Pharmaceuticals Inc., Mylan Technologies Inc., UDL Laboratories, Inc. and Bertek Pharmaceuticals Inc., that develop, manufacture and market an extensive line of generic and proprietary prescription products. For more information about Mylan, visit www.mylan.com .

SOURCE Mylan Laboratories Inc.

Kris King of Mylan Laboratories Inc., +1-724-514-1800

http://www.mylan.com