1 Exhibit 11.1 Dean Foods Company Basic and Diluted Earnings per Share Nine Months Ended February 22, 1998 and February 23, 1997 (In thousands, except per share amounts) Nine Months Ended ----------------- February 22, February 23, 1998 1997 ------------ ------------ Net Income $73,117 $57,621 ======= ======= EARNINGS PER COMMON SHARE - BASIC - --------------------------------- Weighted average common shares outstanding 40,556 40,162 ======= ======= Net earnings per share - Basic $ 1.80 $ 1.43 ======= ======= EARNINGS PER COMMON SHARE - DILUTED - ----------------------------------- Weighted average common shares outstanding 40,556 40,162 Plus incremental shares from assumed conversions of stock options 935 94 ------- ------- Adjusted weighted average shares 41,491 40,256 ======= ======= Net earnings per share - Diluted $ 1.76 $ 1.43 ======= =======