EXHIBIT (11) BUCKEYE PARTNERS, L.P. COMPUTATION OF EARNINGS PER UNIT (In thousands, except for Units and per Unit amounts) (Unaudited) Quarter Ended March 31, ----------------------------- 1997 1996 ------ ------ Net income $ 11,526 $ 11,658 Primary earnings per Unit Net Income $ 0.94 $ 0.96 Fully-diluted earnings per Unit Net income $ 0.94 $ 0.96 Weighted average number of Units outstanding: Units outstanding at March 31 12,185,884 12,160,045 Exercise of Options reduced by the number of Units purchased with proceeds (Primary) 30,004 21,729 ---------- ---------- Total Units outstanding - Primary 12,215,888 12,181,774 ========== ========== Units outstanding at March 31 12,185,884 12,160,045 Exercise of Options reduced by the number of Units purchased with proceeds (Fully-diluted) 30,033 23,510 ---------- ---------- Total Units outstanding - Fully-diluted 12,215,917 12,183,555 ========== ========== Although not required to be presented in the income statement under provisions of APB Opinion No. 15, this calculation is submitted in accordance with Regulation S-K item 601(b)(11).