1 EXHIBIT 11.1 HARMONIC LIGHTWAVES, INC. COMPUTATION OF NET INCOME (LOSS) PER SHARE(1)(2) (IN THOUSANDS, EXCEPT PER SHARE DATA) YEAR ENDED ------------------------------------------ DECEMBER 31, DECEMBER 31, DECEMBER 31, 1996 1995 1994 ------------ ------------ ------------ Net income (loss)......................................... $ 5,918 $ 4,121 $ (2,368) ======= ======= ======= Weighted average shares outstanding: Common stock............................................ 10,106 5,797 443 Mandatorily redeemable convertible preferred stock...... -- 3,129 7,095 Common stock issuable upon exercise of options and warrants............................................. 1,368 1,456 638 ------- ------- ------- Weighted average common shares and equivalents............ 11,474 10,382 8,176 ======= ======= ======= Net income (loss) per share(1)(2)......................... $ 0.52 $ 0.40 $ (0.29) ======= ======= ======= - --------------- (1) Computed in the manner described in Note 1 to Notes to Consolidated Financial Statements. (2) Share and per share data adjusted to reflect a 1-for-3 reverse stock split effective upon the reincorporation of the Company into Delaware in May 1995.