THE LANGER BIOMECHANICS GROUP, INC. AND SUBSIDIARIES COMPUTATION OF PER SHARE AMOUNTS EXHIBIT 11 For the three months ended May 30, 1998 and May 31, 1997 May 30, 1998 May 31, 1997 ------------ ------------ Basic: Net income $ 116,150 $ 42,613 ---------- ---------- Number of common shares 2,585,281 2,584,281 Weighted number of shares issued during the period 813 -- Weighted average number of common shares 2,586,094 2,584,281 ---------- ---------- Net income per share: Basic $ 0.04 $ 0.02 ========== ========== Diluted: Net income $ 116,150 $ 42,613 ---------- ---------- Weighted average number of common shares 2,586,094 2,584,281 Assumed number of shares issued from common share equivalents 59,016 79,048 ---------- ---------- Weighted average number of common and common equivalent shares 2,645,110 2,663,329 ---------- ---------- Net income per share: Diluted $ 0.04 $ 0.02 ========== ==========