Exhibit 11 QUEENS COUNTY BANCORP, INC. STATEMENT RE: COMPUTATION OF PER SHARE EARNINGS Three Months Ended March 31, (in thousands, except per share data) 1999 1998(1) - -------------------------------------------------------------------------------- Net income $ 8,237 $ 6,255 Weighted average common shares outstanding 18,535 19,274 Earnings per common share $0.44 $0.33 Weighted average common shares outstanding 18,535 19,274 ======= ======= Additional dilutive shares using average market value for the period when utilizing the Treasury stock method regarding stock options 573 1,262 ------- ------- Total shares for diluted earnings per share 19,108 20,536 ======= ======= Diluted earnings per common share and common share equivalents $0.43 $0.31 ======= ======= (1) Reflects shares issued as a result of a 3-for-2 stock split on September 29, 1998. 23