X0202 4 2007-08-13 0000356213 PINNACLE ENTERTAINMENT INC PNK 0001387049 Comer Stephen C C/O PINNACLE ENTERTAINMENT, INC. 3800 HOWARD HUGHES PARKWAY LAS VEGAS NV 89169 1 0 0 0 Common Stock 2007-08-13 4 P 0 500 26.26 A 500 I By Comer Family Trust. /s/ Christopher K. Plant, Attorney-In-Fact for Stephen C. Comer 2007-08-14