1 TUSCARORA INCORPORATED EXHIBIT 11 - COMPUTATION OF NET INCOME PER SHARE Three Months Ended November 30, ------------------------------- 1997 1996 ------ ------ (In thousands, except per share data) PRIMARY Weighted average number of shares of Common Stock outstanding 9,476 9,424 Net effect of dilutive stock options - based on the treasury stock method using average market price 225 159 ------ ------ TOTAL 9,701 9,583 ====== ====== Net income $3,772 $3,692 ====== ====== Per share amount $ .39 $ .39 ====== ====== FULLY DILUTED Weighted average number of shares of Common Stock outstanding 9,476 9,424 Net effect of dilutive stock options - based on the treasury stock method using greater of average market price or closing market price 225 160 ------ ------ TOTAL 9,701 9,584 ====== ====== Net income $3,772 $3,692 ====== ====== Per share amount $ .39 $ .39 ====== ====== 13