X0306 4 2019-01-29 0001745916 PennyMac Financial Services, Inc. PFSI 0001232611 MCCALLION ANNE C/O PENNYMAC FINANCIAL SERVICES, INC. 3043 TOWNSGATE ROAD WESTLAKE VILLAGE CA 91361 1 1 Chief Enterprise Ops Officer Common Stock 2019-01-29 4 S 0 5000 20.94 D 460720 I The McCallion Family Trust dated 12/21/98 Common Stock 33820 D Nonstatutory Stock Option (Right to Buy) 21.03 2014-06-13 2023-06-12 Common Stock 15882 15882 D Nonstatutory Stock Option (Right to Buy) 17.26 2015-02-26 2024-02-25 Common Stock 28216 28216 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) 11.28 2017-03-07 2026-03-06 Common Stock 27771 27771 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) 24.40 2019-03-09 2028-03-08 Common Stock 17204 17204 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 $20.84 to $21.08. 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 12,883 restricted stock units and 20,937 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 15,882 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 28,216 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 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 27,771 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 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 17,204 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. /s/ Kisha Parker, attorney-in-fact for Ms. McCallion 2019-01-30