X0206 3 2017-09-27 0 0001654151 Deciphera Pharmaceuticals, Inc. DCPH 0001691160 Benz Edward J. JR C/O DECIPHERA PHARMACEUTICALS, INC. 500 TOTTEN POND ROAD WALTHAM MA 02451 1 0 0 0 Stock Option (Right to Buy) 3.95 2026-09-26 Common Stock 35233 D Stock Option (Right to Buy) 6.13 2027-06-03 Common Stock 7181 D This stock option award was issued pursuant to Deciphera Pharmaceuticals, LLC's 2015 Equity Incentive Plan. The option vests in 48 equal monthly installments as of the end of each month following the vesting commencement date of September 27, 2016, subject to continued service through such dates. These options are currently options to purchase shares of common stock of Deciphera Pharmaceuticals, LLC, a wholly-owned subsidiary of the Issuer, and will be exchanged for options of the Issuer on a 1 to 5.65 basis immediately prior to the closing of the initial public offering of the Issuer (the "Exchange") pursuant to that certain Reorganization Agreement and Plan of Merger by and among the Issuer, Deciphera Pharmaceuticals, LLC and the other parties named therein, dated September 26, 2017 (the "Merger Agreement"). The amount in this Column 3 reflects the options that will be outstanding following the Exchange. This stock option award was issued pursuant to Deciphera Pharmaceuticals, LLC's 2015 Equity Incentive Plan. The option vests in 48 equal monthly installments as of the end of each month following the vesting commencement date of May 26, 2017, subject to continued service through such dates. /s/ Thomas P. Kelly, Attorney-in-Fact 2017-09-28