EXHIBIT 11 ROBERTSON-CECO CORPORATION COMPUTATION OF BASIC EARNINGS PER COMMON SHARE ---------------------------------------------- (In thousands, except per share data) (Unaudited) Three Months Ended Nine Months Ended September 30 September 30 ------------------------ ------------------------- 1999 1998 1999 1998 ----------- ---------- --------- --------- BASIC: Income: From Continuing Operations ........................... $ 6,752 $ 6,285 $ 15,954 $ 16,312 From Discontinued Operations........................... 8,993 - 8,993 - ---------- ----------- ---------- --------- Total ................................................ $ 15,745 $ 6,285 $ 24,947 $ 16,312 ======== ======== ======== ======== Shares: Average Number of Common Shares Outstanding................................... 16,063 16,060 16,063 16,060 ========= ======== ======== ========= Earnings Per Share: From Continuing Operations............................. $ .42 $ .39 $ .99 $ 1.02 From Discontinued Operation............................ .56 - .56 - ------------ ------------ ------------ ------------ Total ................................................ $ .98 $ .39 $ 1.55 $ 1.02 =========== =========== ========== ========== EXHIBIT 11 ROBERTSON-CECO CORPORATION COMPUTATION OF DILUTED EARNINGS PER COMMON SHARE ------------------------------------------------ (In thousands, except per share data) (Unaudited) Three Months Ended Nine Months Ended September 30 September 30 ------------------------ ------------------------- 1999 1998 1999 1998 ----------- ---------- --------- -------- DILUTED: Income: From Continuing Operations ............................ $ 6,752 $ 6,285 $ 15,954 $ 16,312 From Discontinued Operations........................... 8,993 - 8,993 - --------- ---------- ---------- ---------- Total ................................................ $ 15,745 $ 6,285 $ 24,947 $ 16,312 ========== ========== ========== ========== Shares: Average number of common shares outstanding................................. 16,063 16,060 16,063 16,060 Incremental shares to reflect dilutive effect of deferred compensation plan............... 24 37 23 37 ---------- ---------- ---------- ---------- Total number of common shares assuming dilution ................................. 16,087 16,097 16,086 16,097 ========= ========== =========== ========== Earnings Per Share: From Continuing Operations............................. $ .42 $ .39 $ .99 $ 1.02 From Discontinued Operations........................... .56 - .56 - ---------- ---------- ---------- ---------- Total ................................................ $ .98 $ .39 $ 1.55 $ 1.02 ========== ========== ========== ==========