EXHIBIT 99

On October 31, 2002, Redwood West Coast, LLC exchanged 2,800 shares of Series B Convertible
Preferred Stock of Synbiotics Corporation for 2,800 shares of Series C Convertible Preferred Stock of
Synbiotics Corporation. Redwood West Coast, LLC is the beneficial owner of 2,800 shares of Series C
Convertible Preferred Stock of Synbiotics Corporation. Mr. Hendy is a 20.0382% owner of Redwood West
Coast, LLC - owning 12.9017% individually and 7.1365% through Redwood Holdings, Inc. (Mr. Hendy is a
24.9% beneficial owner under an ESOP which owns 100% of Redwood Holdings, Inc.). In addition, Mr.
Hendy serves on the Management Committee of Redwood West Coast, LLC, which has sole voting and
dispositive power with respect to the shares. The shares are convertible into shares of common stock at
any time into such number of shares of common stock by dividing each share of Series C Convertible
Preferred Stock, valued at $1,000, by the conversion price - initially set at $0.1286 (these conversion
features are identical to that of the Series B Convertible Preferred Stock). Mr. Hendy disclaims beneficial
ownership of the shares reflected above, except to the extent of his direct and indirect pecuniary interest
in Redwood West Coast, LLC.