1 EXHIBIT 11 EAGLE-PICHER INDUSTRIES, INC. CALCULATION OF AVERAGE NUMBER OF SHARES (Shares in thousands) Three Months Ended Six Months Ended May 31 May 31 ------------------ ---------------- 1994 1993 1994 1993 ---- ---- ---- ---- Average common shares outstanding 11,125 11,125 11,125 11,125 Less average common treasury shares 84 84 84 105 ------ ------ ------ ------ Number of shares for net income per share 11,041 11,041 11,041 11,020 ====== ====== ====== ====== 19