1 EXHIBIT 11 BOISE CASCADE OFFICE PRODUCTS CORPORATION COMPUTATION OF PER SHARE EARNINGS For the Year Ended December 31 ------------------------------ 1997 1996 1995 -------------- -------------- -------------- (in thousands, except share information) BASIC EARNINGS PER SHARE Net income ............................ $ 56,886 $ 55,349 $ 43,179 ============== ============== ============== Shares of Common Stock: Weighted average shares outstanding .. 63,788,448 62,444,170 61,660,100 Effect of contingent shares .......... 345,541 475,828 139,340 -------------- -------------- -------------- 64,133,989 62,919,998 61,799,440 ============== ============== ============== Basic earnings per share (pro forma 1995) (1) .................. $ .89 $ .88 $ .70 ============== ============== ============== DILUTED EARNINGS PER SHARE Net income ............................ $ 56,886 $ 55,349 $ 43,179 ============== ============== ============== Shares of Common Stock: Weighted average shares outstanding .. 63,788,448 62,444,170 61,660,100 Effect of contingent shares .......... 345,541 475,828 139,340 Effect of options .................... 118,370 216,286 33,842 -------------- -------------- -------------- 64,252,359 63,136,284 61,833,282 ============== ============== ============== Diluted earnings per share (pro forma 1995) (1) .................. $ .89 $ .88 $ .70 ============== ============== ============== (1) Information concerning basic, diluted, and pro forma earnings per share is included in Note 2, "Summary of Significant Accounting Policies," of the Notes to Financial Statements in our 1997 Annual Report and is incorporated herein by reference.