1 EXHIBIT 11 WOLVERINE TUBE, INC. COMPUTATION OF EARNINGS PER SHARE (In thousands, except per share amounts) Three-month period ended: Six-month period ended: ------------------------- ----------------------- June 28, 1997 June 29, 1996 June 28, 1997 June 29, 1996 ------------- ------------- ------------- ------------- Income before extraordinary item ........................................ $7,063 $10,434 $15,900 $20,697 Extraordinary item, net of tax ......................................... (4,738) -- (4,738) -- Preferred dividends ......................... (70) (70) (140) (140) -------- -------- -------- -------- Net income applicable to common shares ...................................... 2,255 10,364 11,022 20,557 ======== ======== ======== ======== Weighted average common shares outstanding ................................. 14,016 13,736 14,000 13,705 Common equivalent shares outstanding ................................. 184 405 220 474 ======== ======== ======== ======== Weighted average common and common equivalent shares outstanding ................................. 14,200 14,141 14,220 14,179 ======== ======== ======== ======== Income before extraordinary item ........................................ $.49 $.73 $1.11 $1.45 Extraordinary item .......................... (.33) -- (.33) -- ======== ======== ======== ======== Net income per common share ................. $.16 $.73 $.78 $1.45 ======== ======== ======== ======== - ---------------------------- (1) Represents shares issuable upon the exercise of stock options based upon the treasury stock method using the average market share. As fully diluted shares outstanding are the same as primary shares outstanding for all periods presented, net income per common share on a fully-diluted basis is not separately presented.