Heska Corporation Invites You To Join Its Third Quarter 2002 Earnings Conference Call on the Web - Thursday, November 7, 2002, at 11:00 a.m. ET - 9 a.m. MT.

Business Editors

FORT COLLINS, Colo.--(BUSINESS WIRE)--Oct. 31, 2002

In conjunction with Heska Corporation's (NASDAQ: HSKA), Third Quarter 2002 earnings release, you are invited to listen to its conference call that will be broadcast live over the Internet on Thursday, November 7, 2002, at 11:00 a.m. Eastern Time (9 a.m. Mountain Time).

This call is being webcast by CCBN and can be accessed at Heska's web site at www.heska.com.

The webcast is also being distributed over CCBN's Investor Distribution Network to both institutional and individual investors. Individual investors can listen to the call through CCBN's individual investor center at www.companyboardroom.com or by visiting any of the investor sites in CCBN's Individual Investor Network. Institutional investors can access the call via CCBN's password-protected event management site, StreetEvents (www.streetevents.com).

Heska develops and markets innovative products for the large and growing companion animal health market. Veterinarians in the United States and Europe count on Heska for state-of-the-art pharmaceuticals, vaccines and diagnostic products for the testing and treatment of thousands of cats and dogs each year, as well as for diagnostic and patient monitoring instrumentation and supplies. Heska's Diamond Animal Health subsidiary operates a USDA- and FDA-licensed facility, which manufactures vaccines and pharmaceutical products. For additional information on Heska and its products, visit the company's web site at www.heska.com.