Exhibit 11.1 ALBEMARLE CORPORATION COMPUTATION OF PRO FORMA EARNINGS PER SHARE for the years ended December 31, 1996 and 1995 (1) (In thousands except per share amounts) Pro Forma Pro Forma 1996 1995 ---- ---- Net income adjusted to reflect operations without the Olefins Business $61,054 $89,180 ======= ======= 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 ======= ======= Earnings per share (2) $ 1.04 $ 1.34 ======= ======= Notes: (1) Earnings per share is computed as if the Company's common stock distributed to Ethyl shareholders had been outstanding for the entire periods presented and also includes common stock equivalents based on outstanding stock options. (2) Primary earnings per share and fully-diluted earnings per share are the same amounts and are computed based on net income adjusted to reflect operations without the Olefins Business. -39-