1 EXHIBIT 11 HARBINGER CORPORATION COMPUTATION OF EARNINGS PER SHARE Three Months Ended Nine Months Ended ------------------------------- -------------------------------- September 30, September 30, ------------------------------- -------------------------------- PRIMARY 1996 1995 1996 1995 ----------- --------------- ------------- -------------- Weighted average common stock outstanding 10,798,000 8,750,000 10,664,000 7,858,000 Net effect of dilutive stock options and warrants - based on the treasury method - 675,000 - 675,000 ---------- ------------ ----------- ------------ Total 10,798,000 9,425,000 10,664,000 8,533,000 ========== ============ =========== ============ Net income (loss) applicable to common stockholders $ (246,000) $ 146,000 $(8,654,000) $ 522,000 ========== ============ =========== ============ Net income (loss) per share applicable to common stockholders $ (0.02) $ 0.02 $ (0.81) $ 0.06 ========== ============ =========== ============ Computational note: In connection with the computations for 1996, all common share equivalents have been excluded because their impact on the Company's net loss per share is antidilutive. In connection with the computations for 1995, the Company has included the effect of dilutive stock options and warrants pursuant to the rules of Securities and Exchange Commission. FORM 10-Q PAGE 18 OF 18