1 EXHIBIT 11 COMPUTATION OF INCOME PER COMMON AND COMMON EQUIVALENT SHARE 2 EXHIBIT (11) Elcor Corporation and Subsidiaries Computation of Income Per Common and Common Equivalent Share (In thousands, except per share amounts) 1. Three Months Ended March 31, 1997 Three Months Ended and March 31, 1996 --------------- 3-31-97 3-31-96 ------ ------ Net Income $2,612 $2,321 ====== ====== Shares: Weighted average common shares 8,801 8,764 outstanding Adjustments: (a)Assumed issuance of shares purchased under incentive stock option plan using the treasury stock method 107 111 ------ ------ Total Common and Common Equivalent Shares 8,908 8,875 ====== ====== Income per Common and Common Equivalent Share $ .29 $ .26 ====== ====== 2. Nine Months Ended March 31, 1997 Nine Months Ended and March 31, 1996 ----------------- 3-31-97 3-31-96 ------- ------ Net Income $8,689 $8,108 ====== ====== Shares: Total Common and Common Equivalent Shares Three months ended 9/30/96 and 9/30/95 8,793 8,843 Three months ended 12/31/96 and 12/31/95 8,843 8,838 Three months ended 3/31/97 and 3/31/96 8,908 8,875 ------ ------ Average nine months ended 3/31/97 and 3/31/96 8,848 8,852 ====== ====== Income per Common and Common Equivalent Share $ .98 $ .92 ====== ======