Material Agreement Form 8 K

On June 27, 2024, PennyMac Mortgage Investment Trust (the "Company"), through four of its indirect, wholly owned subsidiaries, PMT ISSUER TRUST - FMSR ("Issuer Trust"), PMT CO-ISSUERTRUST I - FMSR ("Co-IssuerTrust"), PennyMac Corp. ("PMC"), and PennyMac Holdings, LLC ("PMH") issued an aggregate principal amount of $355 million in secured term notes (the "Series 2024-FT1Term Notes") as part of the structured finance transaction that PMC and PMH use to finance Fannie Mae mortgage servicing rights and related excess servicing spread and servicing advance receivables. The Company entered into a Series 2024-FT1Indenture Supplement relating to the mortgage servicing rights and excess servicing spread, by and among Issuer Trust and Co-IssuerTrust, as co-issuers,PMC, as administrator and servicer, PMH, as co-issueradministrator, Citibank, N.A., as indenture trustee ("Citibank"), calculation agent, paying agent and securities intermediary, Atlas Securitized Products, L.P., as administrative agent ("ASP"), and the noteholders thereto (the "Series 2024-FT1Indenture Supplement"). The initial 3-and-a-half-yearterm of the Series 2024-FT1Term Notes are set to mature on December 27, 2027, unless the Company exercises a six-monthoptional extension.

The Series 2024-FT1Term Notes provide more financing for Fannie Mae mortgage servicing rights and related excess servicing spread in addition to (i) the previously issued Series 2021-FT1and Series 2022-FT1term notes (the "Term Notes"), (ii) the Master Repurchase Agreement, dated as of March 15, 2024, among PMC FMSR VFN Funding, LLC, PMH FMSR VFN Funding, LLC, PMC, PMH, the buyers from time-to-timeparty thereto, and Goldman Sachs Bank, USA, (iii) the Series 2023-FTL1 Loan Agreement and Indenture Amendment, and (iv) that certain Amended and Restated Series 2017-VF1Master Repurchase Agreement by and among PMC, as seller, ASP, as administrative agent to the buyers, Nexera Holding LLC, as an assignee buyer, and Citibank, as a buyer, dated June 29, 2018.

The initial note balance of the Series 2024-FT1Term Notes is $355 million. During the term of the loan, PMC and PMH are required to pay the noteholders monthly accrued interest (at a rate reflective of the current market based on a spread above the Secured Overnight Financing Rate). The Series 2024-FT1Term Notes rank pari passuwith the other Term Notes, variable funding notes, and term loans previously issued as part of the structured finance transaction.

The Series 2024-FT1Indenture Supplement requires that PMC, PMH, the Issuer Trust, and the Co-IssuerTrust make certain representations, warranties and covenants customary for this type of transaction. The Series 2024-FT1Term Notes also contain certain advance rate reduction events, early amortization events, and scheduled principal payment events (subject to certain thresholds) that would require the Issuer Trust and the Co-IssuerTrust to make early payments of principal on the Series 2024-FT1Term Notes. In addition, the Base Indenture, dated as of December 20, 2017, contains margin call provisions and events of default (subject to certain materiality thresholds and grace periods) that apply to the Series 2024-FT1Term Notes, including payment defaults, breaches of covenants and/or certain representations and warranties, cross-defaults, guarantor defaults, bankruptcy or insolvency proceedings and other events of default customary for this type of transaction. The remedies for such events of default include the acceleration of the principal amount outstanding under the Series 2024-FT1Term Notes.

The foregoing descriptions do not purport to be complete and are qualified in their entirety by reference to the other descriptions and the full text of the agreements and amendments in the following: (i) the Series 2024-FT1Indenture Supplement, which has been filed with this Current Report on Form 8-Kas Exhibit 10.1; (ii) the Series 2024-VF1Indenture Supplement, Series 2024-VF1Note and Guaranty, as filed in the Company's Form 8-K onMarch 20, 2024 as Exhibits 10.1, 10.2, and 10.3, respectively; (iii) the Joinder Amendment and Indenture Amendment, as filed in the Company's Form 8-K onAugust 16, 2023 as Exhibits 10.1 and 10.2, respectively; (iv) Series 2023-FTL1 Loan Agreement and Indenture Amendment, as filed in the Company's Form 8-K onJune 1, 2023 as Exhibits 10.1 and 10.2, respectively; (v) the full text of the Joint Assignment, Assumption and Amendment No. 7 to the Series 2017-VF1 Repurchase Agreement,Amendment No. 1 to the Series 2017-VFI Pricing SideLetter, Amendment No. 3 to the Series 2017-VF1 Side LetterAgreement and Amendment No. 1 to the VFN Repo Guaranty, as filed in the Company's Form 8-K onMarch 17, 2023 as Exhibit 10.2; (vi) the full text of Amendment No. 5, dated as of June 28, 2022, to the Base Indenture as filed in the Company's Form 8-K onJuly 5, 2022 as Exhibit 10.1; (vii) the full text of Amendment No. 4, dated as of March 30, 2021, to the Base Indenture as filed in

the Company's Form 8-Kon March 31, 2021 as Exhibit 10.1; (viii) the full text of Amendment No. 3, dated as of October 20, 2020, to the Base Indenture as filed in the Company's Form 10-Q onNovember 6, 2020 as Exhibit 10.6; (ix) the full text of Amendment No. 2, dated as of July 31, 2020, to the Base Indenture as filed in the Company's Form 10-Q onAugust 7, 2020 as Exhibit 10.7; (x) the full text of Amendment No. 1, dated as of April 25, 2018, to the Base Indenture as filed in the Company's Form 8-Kon April 30, 2018 as Exhibit 10.1; (xi) the full text of the Base Indenture, dated as of December 20, 2017, which has been filed with the Company's Form 8-Kas filed with the SEC on December 27, 2017 as Exhibit 10.1; (xii) the full text of the Amended and Restated Master Repurchase Agreement, dated as of June 29, 2018, by and among PennyMac Corp., as Seller, Credit Suisse AG, Cayman Island Branch, as Buyer, and Credit Suisse First Boston Mortgage Capital, LLC, as administrative agent, which has been filed with the Company's Form 8-K asfiled with the SEC on July 6, 2018 as Exhibit 10.1; and (xiii) the full text of all other amendments to the foregoing filed thereafter with the SEC.