X0306 4 2020-07-01 0001745916 PennyMac Financial Services, Inc. PFSI 0001440697 Grogin Jeffrey C/O PENNYMAC FINANCIAL SERVICES, INC. 3043 TOWNSGATE ROAD WESTLAKE VILLAGE CA 91361 1 Chief Enterprise Ops Officer Common Stock 2020-07-01 4 M 0 9225 17.26 A 37986 D Common Stock 2020-07-01 4 S 0 9225 41.4032 D 28761 D Common Stock 33193 I JBG Children's Trust utd 12/31/2000 Common Stock 22129 I MJG Children's Trust utd 12/31/2000 Common Stock 453655 I The Grogin Living Trust dtd 12-19-01 Common Stock 9025 I Grogin Giving Fund Nonstatutory Stock Option (Right to Buy) 17.26 2020-07-01 4 M 0 9225 0 D 2015-02-26 2024-02-25 Common Stock 9225 7292 D Nonstatutory Stock Option (Right to Buy) 24.40 2019-03-09 2028-03-08 Common Stock 17204 17204 D Nonstatutory Stock Option (Right to Buy) 22.92 2020-03-15 2029-03-14 Common Stock 18057 18057 D Nonstatutory Stock Option (Right to Buy) 17.52 2016-03-03 2025-03-02 Common Stock 23829 23829 D Nonstatutory Stock Option (Right to Buy) 18.05 2018-03-06 2027-03-05 Common Stock 22506 22506 D Nonstatutory Stock Option (Right to Buy) 35.03 2021-02-26 2030-02-25 Common Stock 17824 17824 D These shares of Common Stock were sold pursuant to a 10b5-1 plan. The reported amount consists of 12,286 restricted stock units and 25,700 shares of Common Stock. The restricted stock units are to be settled in an equal number of shares of Common Stock upon vesting. The price reported is the weighted average price of multiple transactions ranging from $41.1750 to $41.74. The reporting person hereby undertakes to provide upon request to the SEC, the Issuer or a security holder of the Issuer the number of shares of Common Stock and the prices at which the transactions were effected. The reported amount consists of 12,286 restricted stock units and 16,475 shares of Common Stock. The restricted stock units are to be settled in an equal number of shares of Common Stock upon vesting. This nonstatutory stock option to purchase 17,204 shares of Common Stock of the Issuer will vest as to one-third of the optioned shares on each March 9, 2019, 2020 and 2021, subject to the Reporting Person's continued service through each date. This nonstatutory stock option to purchase 18,057 shares of Common Stock of the Issuer will vest as to one-third of the optioned shares on each of March 15, 2020, 2021 and 2022, subject to the Reporting Person's continued service through each date. This nonstatutory stock option to purchase 23,829 shares of Common Stock of the Issuer will vest as to one-third of the optioned shares on each of March 3, 2016, 2017 and 2018, subject to the Reporting Person's committed service through each date. This nonstatutory stock option to purchase 22,506 shares of Common Stock of the Issuer will vest as to one-third of the optioned shares on each of March 6, 2018, 2019 and 2020, subject to the Reporting Person's committed service through each date. This nonstatutory stock option to purchase 17,824 shares of Common Stock of the Issuer will vest as to one-third of the optioned shares on each of February 26, 2021, 2022 and 2023, subject to the Reporting Person's continued service through each date. /s/ Derek W. Stark, attorney-in-fact for Mr. Grogin 2020-07-06