Exhibit 11.1 QUAKER CITY BANCORP, INC. COMPUTATION OF EARNINGS PER SHARE Three Months Six Months Ended Ended December 31, December 31, 1998 1998 --------------- ----------- A Average common shares outstanding 5,287,905 5,316,233 ------------------ ------------ B Net earnings for period $2,081,000 $4,539,000 ================== ============ Basic earnings per share [ B / A ] $ 0.39 $ 0.85 ================== ============ Common share equivalents : C Average stock options outstanding 574,029 574,863 ------------------ ------------ D Option exercise price $ 8.46 $ 8.47 ------------------ ------------ E Exercise proceeds [ C x D ] $4,856,285 $4,869,090 ------------------ ------------ F Average market price in period $ 15.82 $ 16.61 ------------------ ------------ G Shares repurchased at market price [ E / F ] 306,971 293,142 ------------------ ------------ H Increase in common shares [ C - G ] 267,058 281,721 ------------------ ------------ I Shares available in deferred compensation plan 165,905 165,905 ------------------ ------------ J Shares outstanding and equivalents [ A + H + I ] 5,720,868 5,763,859 ================== ============ K Net earnings for period $2,081,000 $4,539,000 ================== ============ Diluted earnings per share [ J / I ] $ 0.36 $ 0.79 ================== ============ Market price at end of period $ 16.00