X0203 3 2009-08-25 0 0001038133 HESKA CORP HSKA 0001471373 CMC Master Fund, L.P. C/O C.M. CAPITAL CORP. 525 UNIVERSITY AVENUE, SUITE 1400 PALO ALTO CA 94301 0 0 1 0 0001471663 CMC Master Fund Partners, LLC C/O C.M. CAPITAL CORP. 525 UNIVERSITY AVENUE, SUITE 1400 PALO ALTO CA 94301 0 0 1 0 0001471662 C.M. Captial Advisors, LLC C/O C.M. CAPITAL CORP. 525 UNIVERSITY AVENUE, SUITE 1400 PALO ALTO CA 94301 0 0 1 0 0001471661 C.M. Capital Corp 525 UNIVERSITY AVENUE, SUITE 1400 PALO ALTO CA 94301 0 0 1 0 Common Stock 7790466 D These shares held directly by CMC Master Fund, L.P., and indirectly by (i) CMC Master Fund Partners, LLC, as the general partner of CMC Master Fund, L.P., (ii) C.M. Capital Advisors, LLC, as the sole member of CMC Master Fund Partners, LLC, and (iii) C.M. Capital Corporation, as the sole member of C.M. Capital Advisors, LLC. /s/ Elizabeth Hammack, Authorized Officer 2009-09-04