X0306 4 2017-04-14 0001685715 Jagged Peak Energy Inc. JAG 0001270691 JAGGERS JOSEPH N 1125 17TH STREET, SUITE 2400 DENVER CO 80202 1 1 Chairman, CEO & President Common Stock 2017-04-14 4 A 0 103235 0 A 5090658 D Common Stock 1662474 I By Jaggers Investments, LLLP Represents unvested restricted stock units, each of which represents a contingent right to receive one share of Jagged Peak Energy Inc. common stock. The restricted stock units will vest, subject to continued employment through such date, in three pro rata installments on February 15, 2018, February 15, 2019 and February 15, 2020. Mr. Jaggers has sole voting and dispositive power over these shares. Jaggers Investments, LLLP is an entity, of which Mr. Jaggers is general partner, owned by Mr. Jaggers and certain members of his family. /s/ Christopher I. Humber, Attorney-in-Fact 2017-04-18