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 --------------------------- --------------------------- Feb 1, Jan 26, Feb 1, Jan 26, 1998 1997 1998 1997 ---- ---- ---- ---- Net earnings(loss) (U.S. GAAP) Net earnings (loss), as reported, Cdn GAAP $(144,283) $ 63,031 $(21,936) $186,613 Write off of purchased research and development in process (52,762) (96,940) (52,762) (96,940) Amortization of purchased research and development in process, Cdn GAAP 26,381 -- 26,381 -- --------- -------- -------- -------- Net earnings (loss), U.S. GAAP $(170,664) $(33,909) $(48,317) $ 89,673 ========= ======== ======== ======== Earnings (loss) per share (U.S. GAAP) - Basic Net earnings (loss) $(170,664) $(33,909) $(48,317) $ 89,673 ========= ======== ======== ======== Weighted average number of Common Shares outstanding during the period 175,376 170,941 174,338 170,140 ========= ======== ======== ======== Earnings (loss) per share (U.S. GAAP) (97)c (20)c (28)c 53c --------- -------- -------- -------- Earnings (loss) per share (U.S. GAAP) - Diluted Net earnings (loss) $(170,664) $(33,909) $(48,317) $ 89,673 ========= ======== ======== ======== Weighted average number of Common Shares outstanding during the period 175,376 170,941 174,338 170,140 Net effect of dilutive stock options based on the treasury stock method -- -- -- 4,667 --------- -------- -------- -------- Weighted average number of Common Shares and equivalents outstanding during the period 175,376 170,941 174,338 174,807 ========= ======== ======== ======== Earnings (loss) per share (U.S. GAAP) (97)c (20)c (28)c 51c ========= ======== ======== ======== 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 $ 0.7006 $ 0.7406 $ 0.7071 $ 0.7346 Earnings (loss) per share (U.S. GAAP) - Basic, in U.S. dollars (68)c (15)c (20)c 39c ========= ======== ======== ======== Earnings (loss) per share (U.S. GAAP) - Diluted, in U.S. dollars (68)c (15)c (20)c 38c ========= ======== ======== ========