EXHIBIT 11 ROBERTSON-CECO CORPORATION COMPUTATION OF EARNINGS PER COMMON SHARE (Thousands, except share and per share amounts) (Unaudited) Three Months Ended March 31 1997 1996 PRIMARY: Primary earnings from continuing operations . . . . . . . . . . . . . . . $ 3,160 $ 3,262 Extraordinary gain on debt redemption . . . . . . . . . . . . . . . . . . . . . 4,568 - Total primary earnings . . . . . . . . . . . . . . . $ 7,728 $ 3,262 Average number of shares of common stock outstanding . . . . . . . . . . . . 16,056 16,009 Incremental shares to reflect dilutive effect of deferred compensation plan . . . . . . . . . . . . . . . . . 30 114 Total shares . . . . . . . . . . . . . . . . . . . . 16,086 16,123 Primary earnings from continuing operations per common share . . . . . . . . . . . . . . . . . . . . . $ .20 $ .20 Primary income from extraordinary gain on debt redemption . . . . . . . . . . . . . . . .28 - Primary earnings per share . . . . . . . . . . . . . $ .48 $ .20 EXHIBIT 11 ROBERTSON-CECO CORPORATION COMPUTATION OF EARNINGS PER COMMON SHARE (Thousands, except share and per share amounts) (Unaudited) Three Months Ended March 31 1997 1996 FULLY DILUTED: Fully diluted earnings from continuing operations . . . . . . . . . . . . . . . . . . . . . $ 3,160 $ 3,262 Extraordinary gain on debt redemption . . . . . . . . . . . . . . . . . . . . . 4,568 - Total fully diluted earnings . . . . . . . . . . . . $ 7,728 $ 3,262 Average number of shares of common stock outstanding . . . . . . . . . . . . 16,056 16,009 Incremental shares to reflect dilutive effect of deferred compensation plan . . . . . . . . . . . . . . . . . 31 123 Total shares . . . . . . . . . . . . . . . . . . . . 16,087 16,132 Fully diluted earnings from continuing operations per common share . . . . . . . . . . . . . $ .20 $ .20 Fully diluted income from extraordinary gain . . . . . . . . . . . . . . . . . . . . . . . . . .28 - Fully diluted earnings per share . . . . . . . . . . . . $ .48 $ .20