Pro Forma Earnings Per Share-1996 and 1995 36 Exhibit 11 ALBEMARLE CORPORATION COMPUTATION OF PRO FORMA EARNINGS PER SHARE for the years ended December 31, 1996 and 1995 (In thousands except per share amounts) Pro Forma Pro Forma 1996 1995 ------------ ------------ BASIC EARNINGS PER SHARE Numerator: - --------- Net income adjusted to reflect operations without the Olefins Business $61,054 $89,180 -------- -------- Denominator: - ----------- Average number of shares of common stock outstanding 58,353 66,069 -------- -------- Basic earnings per share $1.05 $1.35 -------- -------- -------- -------- DILUTED EARNINGS PER SHARE Numerator: - --------- Net income adjusted to reflect operations without the Olefins Business $61,054 $89,180 -------- -------- Denominator: - ----------- Average number of shares of common stock outstanding 58,353 66,069 -------- -------- Shares issuable upon the assumed exercise of outstanding stock options 489 283 -------- -------- Shares of common stock and common stock equivalents 58,842 66,352 -------- -------- Diluted earnings per share $1.04 $1.34 -------- -------- -------- --------