Avitar, Inc. Invites You to Join Second Quarter Earnings Live Conference Call on the Web

May 09, 2001

CANTON, Mass., May 9 /PRNewswire/ -- In conjunction with Avitar, Inc.'s (Amex: - news) Second Quarter Financial Results, you are invited to listen to its conference call that will be broadcast live over the Internet on Tuesday, May 15, 2001 at 11:00 a.m. Eastern Time.

     What:   Avitar, Inc. Second Quarter Earnings

     When:   Tuesday, May 15, 2001 at 11:00 a.m. Eastern Time

     Where:  avitarinc.com or http://www.videonewswire.com/AVITAR/051501

     How:    Live over the Internet -- Simply log on to either web listed
             above

The webcast will be listen-only. To ask questions you are invited to participate by phone. Within the U.S. dial and internationally dial . Participant Code is 755947.

    Contacts: Tara Wynn, Avitar, Inc., , or
              John Ingoldsby, Ingoldsby Investor Relations, Inc., 

Avitar, Inc. (Amex: - news) headquartered in Canton, Massachusetts, develops, manufactures and markets innovative medical devices based on proprietary core technologies for two distinctive markets: oral fluid diagnostics and customized polyurethane applications used in the wound dressing industry. Oral fluid diagnostics includes both the drugs-of-abuse testing market estimated to be worth $1.5 billion encompassing the corporate workplace and criminal justice markets and the $20 billion clinical diagnostics market. Avitar's products include ORALscreen(TM), the world's first non-invasive, rapid, onsite oral fluid test for drugs-of-abuse, and HAIRscreen(TM) a laboratory based hair test for detecting long-term drug abuse. Additionally, the company manufactures and markets HYDRASORB(TM), an absorbent topical dressing for moderate to heavy exudating wounds. In 2001, the company formed strategic partnerships with DIPRO Diagnostic Products GmbH, Pinkerton Security Group, and also acquired Texas-based BJR Security Service, a provider of canines trained to detect narcotics, explosives and firearms for markets that include education and the oil and petroleum industry.

For more information, see Avitar's website at avitarinc.com.

• (Minimum Requirements to listen to broadcast: The RealPlayer software, downloadable free from www.real.com/products/player/index.html, and at least a 14.4Kbps connection to the Internet. If you experience problems listening to the broadcast, send an email to .)