1 EXHIBIT 11 (1) Layne Christensen Company Statement Regarding Computation of per Share Earnings YEAR ENDED JANUARY 31, ----------------------------------------------- 1998 1997 1996 -------- -------- -------- COMPUTATION OF PER SHARE EARNINGS (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS) Net income $ 11,427 $ 8,017 $ 4,587 ========== ========== ========== Weighted average common shares outstanding 10,128,000 8,865,000 7,451,000 Dilutive stock options 400,000 281,000 66,000 ---------- ---------- ---------- 10,528,000 9,146,000 7,517,000 ========== ========== ========== Per share: Basic earnings per share $ 1.13 $ .90 $ .62 ========== ========== ========== Dilutive earnings per share $ 1.09 $ .88 $ .61 ========== ========== ========== 2 [This Page Intentionally Left Blank] 63