1 EXHIBIT 11 EAGLE-PICHER INDUSTRIES, INC. CALCULATION OF AVERAGE NUMBER OF SHARES (Shares in thousands) Three Months Ended Nine Months Ended August 31 August 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 98 ------ ------ ------ ------ Number of shares for net income per share 11,041 11,041 11,041 11,027 ====== ====== ====== ====== 18