X0306 4/A 2016-04-28 2016-04-29 0001656239 Pinnacle Entertainment, Inc. PNK 0001222385 STUDENMUND JAYNIE M C/O PINNACLE ENTERTAINMENT, INC. 3980 HOWARD HUGHES PARKWAY LAS VEGAS NV 89169 1 0 0 0 Common Stock 2016-04-28 4 A 0 13736 0 A 58230 D The securities reported are restricted stock units that vest in one annual installment on April 28, 2017. This amended Form 4 updates the number of shares of common stock beneficially owned directly by the reporting person to reflect an additional 10,258 shares of common stock, which had been omitted in the Form 4 filed on April 29, 2016. /s/ Elliot D. Hoops, Attorney-In-Fact for Jaynie M. Studenmund 2016-05-12