X0306 4 2017-10-02 0 0001654151 Deciphera Pharmaceuticals, Inc. DCPH 0001717503 Brightstar Associates LLC 1020 CENTRAL STREET, SUITE 300 KANSAS CITY MO 64105 0 0 1 0 Common Stock 2017-10-02 4 C 0 16572370 A 16572370 D Series A Preferred Stock 2017-10-02 4 C 0 1976134 0.00 D Common Stock 11165157 0 D Series B Preferred Stock 2017-10-02 4 C 0 297030 0.00 D Common Stock 1678219 0 D Series B-1 Preferred Stock 2017-10-02 4 C 0 396008 0.00 D Common Stock 2237445 0 D Series C Preferred Stock 2017-10-02 4 C 0 263991 0.00 D Common Stock 1491549 0 D Represents preferred stock of Deciphera Pharmaceuticals, LLC. Upon the closing of the Issuer's initial public offering, each share of preferred stock was automatically converted into 5.65 shares of common stock of the Issuer. Brightstar Associates LLC, By: /s/ Mark Fallon, Member - Board of Managers 2017-10-02