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 QUARTERS ENDED TWO FISCAL QUARTERS ENDED --------------------- ------------------------- Nov 1, Nov 2, Nov 1, Nov 2, 1998 1997 1998 1997 -------- -------- -------- -------- EARNINGS PER SHARE (U.S. GAAP - BASIC) Net earnings $ 53,314 $ 57,993 $ 88,834 $122,347 ======== ======== ======== ======== Weighted average number of Common Shares outstanding during the period 176,766 174,733 176,430 173,830 ======== ======== ======== ======== Earnings per share (U.S. GAAP) $ 0.30 $ 0.33 $ 0.50 $ 0.70 ======== ======== ======== ======== EARNINGS PER SHARE (U.S. GAAP - DILUTED) Net earnings $ 53,314 $ 57,993 $ 88,834 $122,347 ======== ======== ======== ======== Weighted average number of Common Shares outstanding during the period 176,766 174,733 176,430 173,830 Net effect of dilutive stock options based on the treasury stock method -- 7,995 4,233 7,206 -------- -------- -------- -------- Weighted average number of Common Shares and equivalents outstanding during the period 176,766 182,728 180,663 181,036 ======== ======== ======== ======== Earnings per share (U.S. GAAP) $ 0.30 $ 0.32 $ 0.49 $ 0.68 ======== ======== ======== ======== EARNINGS 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 $ 0.6520 $ 0.7204 $ 0.6667 $ 0.7223 Basic earnings per share (U.S. GAAP), in U.S. dollars $ 0.20 $ 0.24 $ 0.34 $ 0.51 ======== ======== ======== ======== Diluted earnings per share (U.S. GAAP), in U.S. dollars $ 0.20 $ 0.23 $ 0.33 $ 0.49 ======== ======== ======== ======== (Page 29 of 30)