Exhibit 11 Pinnacle Entertainment, Inc. Computation of Earnings Per Share For the three months ended September 30, ------------------------------------------------- Basic Diluted (a) ------------------------------------------------- 2000 1999 2000 1999 ---------- ---------- ---------- ---------- (in thousands, except per share data) Average number of common shares outstanding 26,356 26,045 26,356 26,045 Average common shares due to assumed conversion of stock options 0 0 1,102 815 --------- --------- --------- --------- Total shares 26,356 26,045 27,458 26,860 ========= ========= ========= ========= Net income before extraordinary item $37,489 $26,232 $37,489 $26,232 Extraordinary item, net of income taxes 2,653 0 2,653 0 --------- --------- --------- --------- Net income after extraordinary item $34,836 $26,232 $34,836 $26,232 ========= ========= ========= ========= Net income before extraordinary item per share $1.42 $1.01 $1.37 $0.98 Extraordinary item per share, net of income taxes -0.10 0.00 -0.10 0.00 --------- --------- --------- --------- Net income after extraordinary item per share $1.32 $1.01 $1.27 $0.98 ========= ========= ========= ========= For the nine months ended September 30, ------------------------------------------------- Basic Diluted (a) ------------------------------------------------- 2000 1999 2000 1999 ---------- ---------- ---------- ---------- (in thousands, except per share data) Average number of common shares outstanding 26,306 25,906 26,306 25,906 Average common shares due to assumed conversion of stock options 0 0 1,063 186 --------- --------- --------- --------- Total shares 26,306 25,906 27,369 26,092 ========= ========= ========= ========= Net income before extraordinary item $85,633 $40,076 $85,633 $40,076 Extraordinary item, net of income taxes 2,653 0 2,653 0 --------- --------- --------- --------- Net income after extraordinary item $82,980 $40,076 $82,980 $40,076 ========= ========= ========= ========= Net income before extraordinary item per share $3.25 $1.55 $3.13 $1.54 Extraordinary item per share, net of income taxes -0.10 0.00 -0.10 0.00 --------- --------- --------- --------- Net income after extraordinary item per share $3.15 $1.55 $3.03 $1.54 ========= ========= ========= ========= - --------- (a) When the computed diluted values are anti-dilutive, the basic per share values are presented on the face of the consolidated statements of operations.