IMAX CORPORATION Exhibit 11 STATEMENT RE: COMPUTATION OF EARNINGS PER SHARE Expressed in thousands, except per share amounts - -------------------------------------------------------------------------------- THREE MONTHS ENDED ----------------------------------------------------------------- SEPTEMBER 30, 1997 SEPTEMBER 30, 1996 --------------------------------- --------------------------- PRIMARY FULLY PRIMARY FULLY DILUTED DILUTED ---------------- ------------ ------------ ------------ NET EARNINGS $ 5,485 $ 5,485 $ 4,244 $ 4,244 Less: Preferred dividends (43) (43) (42) (42) Preferred accretion (41) (41) (36) (36) ---------------- ------------ ------------ ------------ Net earnings available to common shareholders $ 5,401 $ 5,401 $ 4,166 $ 4,166 ================ ============ ============ ============ WEIGHTED AVERAGE SHARES CALCULATION: Number of common shares outstanding at beginning of period 27,886 27,886 28,154 28,154 Weighted average shares Issued pursuant to employment contract 3 3 4 4 Options exercised 1,114 1,114 232 232 Shares repurchased - - (660) (660) Assumed exercise of stock options, net of shares assumed acquired under the Treasury Stock Method 1,377 1,379 1,924 1,982 ---------------- ------------ ------------ ------------ SHARES USED IN COMPUTING PER SHARE AMOUNTS 30,380 30,382 29,654 29,712 ================ ============ ============ ============ WEIGHTED AVERAGE PER SHARE AMOUNTS $0.18 $0.18 $0.14 $0.14 ================ ============ ============ ============ NINE MONTHS ENDED ----------------------------------------------------------------- SEPTEMBER 30, 1997 SEPTEMBER 30, 1996 --------------------------------- --------------------------- PRIMARY FULLY PRIMARY FULLY DILUTED DILUTED ---------------- ------------ ------------ ------------ NET EARNINGS $13,331 $13,331 $10,506 $10,506 Less: Preferred dividends (128) (128) (127) (127) Preferred accretion (119) (119) (104) (104) ---------------- ------------ ------------ ------------ Net earnings available to common shareholders $13,084 $13,084 $10,275 $10,275 ================ ============ ============ ============ WEIGHTED AVERAGE SHARES CALCULATION: Number of common shares outstanding at beginning of period 27,886 27,886 28,154 28,154 Weighted average shares Issued pursuant to employment contract 1 1 - - Options exercised 481 481 112 112 Shares repurchased - - (416) (416) Assumed exercise of stock options, net of shares assumed acquired under the Treasury Stock Method 1,696 1,708 2,128 2,242 ---------------- ------------ ------------ ------------ SHARES USED IN COMPUTING PER SHARE AMOUNTS 30,064 30,076 29,978 30,092 ================ ============ ============ ============ WEIGHTED AVERAGE PER SHARE AMOUNTS $0.44 $0.44 $0.34 $0.34 ================ ============ ============ ============