COMMERCIAL FEDERAL CORPORATION Exhibit 11 COMPUTATION OF EARNINGS PER SHARE (Unaudited) COMPUTATION OF INCOME PER COMMON AND COMMON EQUIVALENT SHARES: - ----------------------------------------------------------------------------------------------- Three Months Ended September 30, ---------------------------------- 1997 1996 - ----------------------------------------------------------------------------------------------- Net income (loss) $ 17,108,299 $ (4,049,927) ============= ============= - ----------------------------------------------------------------------------------------------- PRIMARY: - -------- Weighted average common shares outstanding 21,571,349 21,821,275 Add shares applicable to stock options using average market price 389,605 292,554 ------------- ------------- Total average common and common equivalent shares outstanding 21,960,954 22,113,829 ============= ============= Net income (loss) per common and common equivalent share $ .78 $ (.18) ============= ============= - ----------------------------------------------------------------------------------------------- FULLY DILUTED (1): - ------------------ Weighted average common shares outstanding 21,571,349 21,821,275 Add shares applicable to stock options using the period-end market price if higher than average market price and other dilutive factors 427,276 321,942 ------------- ------------- Total average common and common equivalent shares outstanding assuming full dilution 21,998,625 22,143,217 ============= ============= Net income (loss) per common share assuming full dilution $ .78 $ (.18) ============= ============= - ----------------------------------------------------------------------------------------------- (1) This calculation is submitted in accordance with Regulation S-K Item 601(b)(11) although not required by footnote 2 paragraph 14 of APB Opinion No. 15 because it results in dilution of less than 3.0%.