OraSure Technologies Invites You To Join Its 2003 First Quarter Financial Results Conference Call

BETHLEHEM, Pa.--(BUSINESS WIRE)--April 22, 2003--OraSure Technologies, Inc. (Nasdaq NM:OSUR) will host a conference call with analysts and an audio webcast to discuss the Company's first quarter 2003 financial results beginning at 5:00 p.m. Eastern Time (2:00 p.m. Pacific Time) on Tuesday, April 29, 2003. The call will be preceded by the release of the Company's 2002 financial results, which will occur immediately after the market closes that day.

In order to listen to the conference call, please either dial 888-742-2024 (Domestic) or 706-643-0033 (International), or go to OraSure Technologies' Web site, www.orasure.com, and click on the Investor Information link. A replay of the call will be archived on OraSure Technologies' Web site shortly after the call has ended and will be available for seven days. A replay of the call can also be accessed until May 3, 2003, by dialing 800-642-1687 (Domestic) or 706-645-9291 (International) and entering the Conference ID #9418965.

The webcast will also be distributed over the CCBN (Corporate Communications Broadcast Network) Investor Distribution Network. Institutional investors can access the call via CCBN's password protected event management site, StreetEvents (www.streetevents.com).

About OraSure Technologies

OraSure Technologies, Inc. is the market leader for oral fluid diagnostics. The Company develops, manufactures, and markets medical devices and diagnostic products for use by insurance companies, public health agencies, clinical laboratories, physicians' offices, and workplace sites. For more information on the Company, please visit www.orasure.com.

    CONTACT: OraSure Technologies, Inc.
             Ronald H. Spair, 610/882-1820
             Investorinfo@orasure.com www.orasure.com

    SOURCE: OraSure Technologies, Inc.