EXHIBIT 11 TOTAL CONTAINMENT, INC. STATEMENT RE: COMPUTATION OF EARNINGS PER SHARE (Unaudited) Three months ended Six months ended June 30, June 30, ------------------ ------------------ 1997 1998 1997 1998 ---- ---- ---- ---- (In thousands, except share data) Basic: Average shares outstanding 4,642 4,643 4,642 4,642 ====== ====== ====== ====== Net income applicable to common shareholders $ 557 $1,248 $ 114 $1,711 ====== ====== ====== ====== Net income per share amount $ 0.12 $ 0.27 $ 0.02 $ 0.37 ====== ====== ====== ====== Assuming dilution: Average shares outstanding 4,642 4,643 4,642 4,642 Effect of dilutive options 13 256 21 167 ------ ------ ------ ------ Totals 4,655 4,899 4,663 4,809 ====== ====== ====== ====== Net income applicable to common shareholders $ 557 $1,248 $ 114 $1,711 ====== ====== ====== ====== Net income per share amount $ 0.12 $ 0.25 $ 0.02 $ 0.36 ====== ====== ====== ======