Exhibit (11) STEPAN COMPANY STATEMENT RE COMPUTATION OF PER SHARE EARNINGS For the Three Months Ended March 31, 1997 and 1996 Unaudited (In Thousands, except per share amounts) Three Months Ended March 31 ----------------- 1997 1996 ------- ------- Computation of per Share Earnings - ---------------------------------------- Net income $ 4,477 $ 5,635 Deduct dividends on preferred stock 267 267 ------- ------- Income applicable to common stock $ 4,210 $ 5,368 ======= ======= Weighted average number of shares outstanding 9,839 10,016 Per share earnings* $ 0.428 $ 0.536 ======= ======= Computation of Per Share Primary Earnings - ---------------------------------------- Income applicable to common stock $ 4,210 $ 5,368 ======= ======= Weighted average number of shares outstanding 9,839 10,016 Add net shares issuable from assumed exercise of options (under treasury stock method) 276 157 ------- ------- Shares applicable to primary earnings 10,115 10,173 ======= ======= Per share primary earnings* $ 0.416 $ 0.528 ======= ======= Dilutive effect 2.8% 1.5% Computation of Per Share Fully Diluted Earnings - ---------------------------------------- Net income $ 4,477 $ 5,635 ======= ======= Weighted average number of shares outstanding 9,839 10,016 Add net shares issuable from assumed exercise of options (under treasury stock method) 276 180 Add weighted average shares issuable from assumed conversion of convertible preferred stock 887 887 ------- ------- Shares applicable to fully diluted earnings 11,002 11,083 ======= ======= Per share fully diluted earnings* $ 0.407 $ 0.508 ======= ======= Dilutive effect 4.9% 5.2% __________ * Rounded This calculation is submitted in accordance with Regulation S-K, item 601(b)(11).