SYNBIOTICS CORPORATION EXHIBIT 11.1 ------------ COMPUTATION OF EARNINGS PER SHARE ______________________________________________________________________________ Three Months Ended March 31, ---------------------------- 1996 1995 ------------- ------------ PRIMARY EARNINGS PER SHARE: Net income per statement of operations $1,651,000 $ 754,000 ========== =========== Weighted average number of shares outstanding 5,911,000 5,803,000 ========== =========== Primary earnings per share $ .28 $ .13 ========== =========== FULLY DILUTED EARNINGS PER SHARE: Net income per statement of operations $1,651,000 $ 754,000 ========== =========== Reconciliation of weighted average number of shares per primary computation above, to amount used for fully diluted computation: Weighted average number of shares outstanding, per primary computation 5,911,000 5,803,000 Add-effect of outstanding options (as determined by the application of the treasury method) 13,000 3,000 ---------- ----------- Weighted average number of shares, as adjusted 5,924,000 5,806,000 ========== =========== Fully diluted earnings per share $ .28 $ .13 ========== =========== 1