Exhibit 11 Pinnacle Entertainment, Inc. Computation of Per Share Earnings For the three months ended June 30, ----------------------------------------------- Basic Diluted (a) ----------------------- ---------------------- 2002 2001 2002 2001 -------- -------- -------- -------- (in thousands, except per share data - unaudited) Average number of common shares outstanding 25,804 25,996 25,804 25,996 Average common shares due to assumed conversion of stock options 0 0 472 90 -------- -------- -------- -------- Total shares 25,804 25,996 26,276 26,086 ======== ======== ======== ======== Net loss before cumulative change in accounting principle ($6,415) ($5,287) ($6,415) ($5,287) Net loss ($6,415) ($5,287) ($6,415) ($5,287) ======== ======== ======== ======== Per share loss before cumulative change in accounting principle ($0.25) ($0.20) ($0.25) ($0.20) Per share loss ($0.25) ($0.20) ($0.25) ($0.20) ======== ======== ======== ======== For the six months ended June 30, ----------------------------------------------- Basic Diluted (a) ----------------------- ---------------------- 2002 2001 2002 2001 -------- -------- -------- -------- (in thousands, except per share data - unaudited) Average number of common shares outstanding 25,625 26,141 25,625 26,141 Average common shares due to assumed conversion of stock options 0 0 168 139 -------- -------- -------- -------- Total shares 25,625 26,141 25,793 26,280 ======== ======== ======== ======== Net loss before cumulative change in accounting principle ($8,713) ($7,408) ($8,713) ($7,408) Cumulative change in accounting principle, net of taxes (56,704) 0 (56,704) 0 -------- -------- -------- -------- Net (loss) income after extraordinary item ($65,417) ($7,408) ($65,417) ($7,408) ======== ======== ======== ======== Per share loss before cumulative change in accounting principle ($0.34) ($0.28) ($0.34) ($0.28) Per share cumulative change in accounting principle, net of taxes (2.21) 0.00 (2.21) 0.00 -------- -------- -------- -------- Per share loss ($2.55) ($0.28) ($2.55) ($0.28) ======== ======== ======== ======== - --------- (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.