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 TWO FISCAL QUARTERS ENDED -------------------- ------------------------- Nov 2, Oct 27, Nov 2, Oct 27, 1997 1996 1997 1996 -------- --------- ---------- ---------- EARNINGS PER SHARE (U.S. GAAP) - PRIMARY Net earnings $ 57,993 $ 62,781 $122,347 $123,582 ======== ======== ======== ======== Weighted average number of Common Shares outstanding during the period 174,733 170,232 173,830 169,736 Net effect of dilutive stock options based on the treasury stock method 7,995 4,515 7,206 5,101 -------- -------- -------- -------- Weighted average number of Common Shares and equivalents outstanding during the period 182,728 174,747 181,036 174,837 ======== ======== ======== ======== Earnings (loss) per share (U.S. GAAP) $ 0.32 $ 0.36 $ 0.68 $ 0.71 ======== ======== ======== ======== EARNINGS (LOSS) PER SHARE (U.S. GAAP) - FULLY DILUTED Net earnings (loss) $ 57,993 $ 62,781 $122,347 $123,582 ======== ======== ======== ======== Weighted average number of Common Shares outstanding during the period 174,733 170,232 173,830 169,736 Net effect of dilutive stock options based on the treasury stock method 7,995 4,515 8,140 5,101 -------- -------- -------- -------- Weighted average number of Common Shares and equivalents outstanding during the period 182,728 174,747 181,970 174,837 ======== ======== ======== ======== Earnings (loss) per share (U.S. GAAP) $ 0.32 $ 0.36 $ 0.67 $ 0.71 ======== ======== ======== ======== 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 $ 0.7204 $ 0.7322 $ 0.7223 $ 0.7316 Earnings (loss) per share (U.S. GAAP) - Primary, in U.S. dollars $ 0.23 $ 0.26 $ 0.49 $ 0.52 ======== ======== ======== ======== Earnings (loss) per share (U.S. GAAP) - Fully diluted, in U.S. dollars $ 0.23 $ 0.26 $ 0.49 $ 0.52 ======== ======== ======== ======== (Page 23 of 24)