EXHIBIT 11.0 BUILDING MATERIALS HOLDING CORPORATION Computation of Earnings Per Share FOR THE YEAR ENDED DECEMBER 31, 2000, 1999 AND 1998 2000 1999 1998 ----------- ---------- ----------- COMPUTATION OF BASIC EARNINGS PER SHARE Net income available to common shareholders $19,712,000 $19,683,000 $15,149,000 =========== =========== =========== Weighted average shares outstanding 12,753,663 12,667,372 12,509,351 ========== ========== ========== Basic earnings per share $1.55 $1.55 $1.21 ===== ===== ===== COMPUTATION OF DILUTED EARNINGS PER SHARE Net income available to common shareholders $19,712,000 $19,683,000 $15,149,000 =========== =========== =========== Weighted average shares outstanding 12,753,663 12,667,372 12,509,351 Net effect of dilutive stock options based on the treasury stock method using average market price 68,694 125,160 137,489 --------- --------- --------- Total shares outstanding 12,822,357 12,792,532 12,646,840 ========== ========== ========== Diluted earnings per share $1.54 $1.54 $1.20 ===== ===== =====