X0306 4 2020-07-16 0001745916 PennyMac Financial Services, Inc. PFSI 0001275713 SPECTOR DAVID C/O PENNYMAC FINANCIAL SERVICES, INC. 3043 TOWNSGATE ROAD WESTLAKE VILLAGE CA 91361 1 1 President & CEO Common Stock 2020-07-16 4 S 0 7901 42.46 D 1295977 D Common Stock 2020-07-16 4 S 0 7099 42.92 D 1288878 D Common Stock 2020-07-17 4 S 0 8700 43.3497 D 1280178 D Common Stock 2020-07-17 4 S 0 6300 43.7974 D 1273878 D Common Stock 465604 I ST Family Investment Company LLC Nonstatutory Stock Option (Right to Buy) 21.03 2014-06-13 2023-06-12 Common Stock 40735 40735 D Nonstatutory Stock Option (Right to Buy) 17.26 2015-02-26 2024-02-25 Common Stock 72301 72301 D Nonstatutory Stock Option (Right to Buy) 17.52 2016-03-03 2025-03-02 Common Stock 61120 61120 D Nonstatutory Stock Option (Right to Buy) 11.28 2017-03-07 2026-03-06 Common Stock 71161 71161 D Nonstatutory Stock Option (Right to Buy) 18.05 2018-03-06 2027-03-05 Common Stock 69252 69252 D Nonstatutory Stock Option (Right to Buy) 24.40 2019-03-09 2028-03-08 Common Stock 52935 52935 D Nonstatutory Stock Option (Right to Buy) 22.92 2020-03-15 2029-03-14 Common Stock 55488 55488 D Nonstatutory Stock Option (Right to Buy) 35.03 2021-02-26 2030-02-25 Common Stock 59466 59466 D These shares of Common Stock were sold pursuant to a 10b5-1 plan. The price reported is the weighted average price of multiple transactions ranging from $41.74 to $42.74. The reporting person hereby undertakes to provide upon request to the SEC, the Issuer or a security holder of the Issuer the number of Common Stock and the prices at which the transactions were effected. The price reported is the weighted average price of multiple transactions ranging from $42.75 to $43.25. The reporting person hereby undertakes to provide upon request to the SEC, the Issuer or a security holder of the Issuer the number of Common Stock and the prices at which the transactions were effected. The price reported is the weighted average price of multiple transactions ranging from $42.65 to $43.65. The reporting person hereby undertakes to provide upon request to the SEC, the Issuer or a security holder of the Issuer the number of Common Stock and the prices at which the transactions were effected. The price reported is the weighted average price of multiple transactions ranging from $43.655 to $44.07. The reporting person hereby undertakes to provide upon request to the SEC, the Issuer or a security holder of the Issuer the number of Common Stock and the prices at which the transactions were effected. The reported amount consists of 37,926 restricted stock units and 1,235,952 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 40,735 shares of Common Stock of the Issuer will vest as to one-third of the optioned shares on each of June 13, 2014, 2015 and 2016, subject to the Reporting Person's continued service through each date. This nonstatutory stock option to purchase 72,301 shares of Common Stock of the Issuer will vest as to one-third of the optioned shares on each of February 26, 2015, 2016 and 2017, subject to the Reporting Person's continued service through each date. This nonstatutory stock option to purchase 61,120 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 continued service through each date. This nonstatutory stock option to purchase 71,161 shares of Common Stock of the Issuer will vest as to one-third of the optioned shares on each of March 7, 2017, 2018 and 2019, subject to the Reporting Person's committed service through each date. This nonstatutory stock option to purchase 69,252 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 52,935 shares of Common Stock of the Issuer will vest as to one-third of the optioned shares on each of March 9, 2019, 2020 and 2021, subject to the Reporting Person's committed service through each date. This nonstatutory stock option to purchase 55,488 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 59,466 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. Spector 2020-07-17