Exhibit 99.1 HESKA SHARE PURCHASE AGREEMENT This SHARE PURCHASE AGREEMENT (this "Agreement"), is made and entered into as of December 13,2001, by and among Heska Corporation, a Delaware corporation (the "Company"), and the purchasers listed on...Heska Share Purchase Agreement • December 20th, 2001 • Heska Corp • Biological products, (no disgnostic substances) • Delaware
