EXHIBIT 11.2 NEWBRIDGE NETWORKS CORPORATION COMPUTATION OF EARNINGS PER SHARE (Accounting principles generally accepted in the United States) (Canadian dollars, amounts in thousands except per share data) (Unaudited) Fiscal quarter ended Three fiscal quarters ended -------------------- --------------------------- Jan 26, Jan 28, Jan 26, Jan 28, 1997 1996 1997 1996 ---- ---- ---- ---- Net earnings (loss) (U.S. GAAP) Net earnings, as reported, under Canadian GAAP $63,031 $53,881 $186,613 $136,369 Write off of purchased in process research and development upon acquisition of UB Networks (96,940) -- (96,940) -- ------ ------ ------- ------- Net earnings, under U.S. GAAP $(33,909) $53,881 $ 89,673 $136,369 ====== ====== ======= ======= Earnings (loss) per share (U.S. GAAP) - Primary Net earnings (loss) $(33,909) $53,881 $ 89,673 $136,369 ====== ====== ======= ======= Weighted average number of Common Shares outstanding at the end of the period 170,941 166,548 170,140 165,842 Net effect of dilutive stock options based on the treasury stock method -- 4,610 4,667 3,384 ------- ------- ------- ------- Weighted average number of Common Shares and equivalents outstanding at the end of the period 170,941 171,158 174,807 169,226 ======= ======= ======= ======= Earnings (loss) per share (U.S. GAAP) $(0.20) $0.31 $0.51 $0.81 ======= ======= ======= ======= Earnings (loss) per share (U.S. GAAP) - Fully Diluted Net earnings (loss) $(33,909) $53,881 $ 89,673 $136,369 ======= ====== ======== ======= Weighted average number of Common Shares outstanding at the end of the period 170,941 166,548 170,140 165,842 Net effect of dilutive stock options based on the treasury stock method -- 6,181 4,667 6,018 ------- ------- ------- -------- Weighted average number of Common Shares and equivalents outstanding at the end of the period 170,941 172,729 174,807 171,860 ======= ======= ======= ======= Earnings (loss) per share (U.S. GAAP) $(0.20) $0.31 $0.51 $0.79 ======= ======= ======= ======= Earnings (loss) per share expressed in U.S. Dollars Daily average exchange rate of a Canadian dollar for U.S. dollars as reported by the Federal Reserve Bank of New York $0.7406 $0.7342 $0.7346 $0.7354 Earnings (loss) per share (U.S. GAAP) - Primary, in U.S. dollars $(0.15) $0.23 $0.38 $0.59 ======= ======= ======= ======= Earnings (loss) per share (U.S. GAAP) - Fully diluted, in U.S. dollars $(0.15) $0.23 $0.38 $0.58 ======= ======= ======= ======= (page 27 of 27)