EXHIBIT 11 PG&E CORPORATION COMPUTATION OF EARNINGS PER COMMON SHARE - --------------------------------------------------------------------------------------------------------- Three months ended Twelve months ended December 31, December 31, ------------------- --------------------- (in millions, except per share amounts) 1999 1998 1999 1998 - --------------------------------------------------------------------------------------------------------- BASIC EARNINGS PER SHARE (EPS)/1/ Earnings available for common stock $ (611) $ 196 $ (73) $ 719 ======== ========= ======== ======== Average common shares outstanding/2/ 366 383 368 382 ======== ========= ======== ======== Basic EPS $ (1.67) $ 0.51 $ (0.20) $ 1.88 ======== ========= ======== ======== DILUTED EARNINGS PER SHARE (EPS)/1/ Earnings available for common stock $ (611) $ 196 $ (73) $ 719 ======== ========= ======== ======== Average common shares outstanding 366 383 368 382 Add: outstanding options, reduced by the number of shares that could be repurchased with the proceeds from such exercise (at average market price) - 1 1 1 -------- --------- -------- -------- Average common shares outstanding as adjusted 366 384 369 383 ======== ========= ======== ======== Diluted EPS $ (1.67) $ 0.51 $ (0.20) $ 1.88 ======== ========= ======== ======== - --------------------------------------------------------------------------------------------------------- 1 This presentation is submitted in accordance with Item 601(b)(11) of Regulation S-K and Statement of Financial Accounting Standards No. 128. 2 Average common shares outstanding exclude shares held by a subsidiary of PG&E Corporation (23,815,000 shares at December 31, 1999) and shares held by the Company to secure deferred compensation obligations (281,985 shares at December 31, 1999).