Common Stock, $0.01 par value per share

AG Mortgage Investment Trust, Inc.

245 Park Avenue, New York, NY, 10167

This Schedule 13D is being filed jointly on behalf of TPG GP A, LLC, a Delaware limited liability company ("TPG GP A"), James G. Coulter and Jon Winkelried (each, a "Reporting Person" and collectively, the "Reporting Persons"). TPG GP A exercises direct or indirect control over entities that collectively hold 100% of the shares of Class B common stock (which represents a majority of the combined voting power of the common stock) of TPG Inc., a Delaware corporation, which is the sole member of TPG GPCo, LLC, a Delaware limited liability company, which is the sole member of TPG Holdings II-A, LLC, a Delaware limited liability company, which is the general partner of TPG Operating Group II, L.P., a Delaware limited partnership, which is the sole member of AG GP LLC, a Delaware limited liability company, which is the general partner of Angelo, Gordon & Co., L.P., a Delaware limited partnership ("Angelo Gordon"), which (i) directly holds 288,290 shares of Common Stock and (ii) is the manager to certain managed accounts and investment fund vehicles (collectively, the "Accounts") that directly hold an aggregate of 2,027,676 shares of Common Stock. Because of the relationship of TPG GP A to Angelo Gordon and to the Accounts, TPG GP A may be deemed to beneficially own the shares of Common Stock held by Angelo Gordon and in the Accounts. TPG GP A is controlled by entities owned by Messrs. Coulter and Winkelried. Because of the relationship of Messrs. Coulter and Winkelried to TPG GP A, each of Messrs. Coulter and Winkelried may be deemed to beneficially own the shares of Common Stock held by Angelo Gordon and in the Accounts. Messrs. Coulter and Winkelried disclaim beneficial ownership of the shares of Common Stock held by Angelo Gordon and in the Accounts except to the extent of their pecuniary interest therein. The agreement among the Reporting Persons relating to the joint filing of this Schedule 13D is attached as Exhibit 1 hereto.

The business address of each of TPG GP A, James G. Coulter and Jon Winkelried is c/o TPG Inc., 301 Commerce Street, Suite 3300, Fort Worth, Texas 76102. The following list includes the name, residence or business address and present principal occupation or employment of each director, executive officer and controlling person of TPG GP A (the "TPG GP A Officers"). All addresses are c/o TPG Inc., 301 Commerce Street, Suite 3300, Fort Worth, Texas 76102. James G. Coulter (Executive Chairman) Jon Winkelried (Chief Executive Officer) Jack Weingart (Chief Financial Officer) Todd Sisitsky (President) Anilu Vazquez-Ubarri (Chief Operating Officer) Jennifer L. Chu (General Counsel) Joann Harris (Chief Compliance Officer) Martin Davidson (Chief Accounting Officer) Steven A. Willmann (Treasurer) Jordan Kolar (Vice President)

The principal business of TPG GP A is serving as the sole ultimate general partner, managing member or similar entity of related entities engaged in making or recommending investments in securities of public and private companies. The present principal occupation of Mr. Coulter is Executive Chairman and Director of TPG and officer, director and/or manager of other affiliated entities. The present principal occupation of Mr. Winkelried is Chief Executive Officer and Director of TPG and officer, director and/or manager of other affiliated entities. See response to Item 2(b) above.

During the last five years, none of the Reporting Persons nor, to the knowledge of the Reporting Persons, without independent verification, any of the TPG GP A Officers was a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceeding was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws.

Each of Messrs. Coulter, Winkelried and the TPG GP A Officers is a United States citizen.

The information contained in rows 7, 8, 9, 10, 11 and 13 on each of the cover pages of this Schedule 13D and the information set forth or incorporated in Items 2, 3, 4 and 6 is incorporated by reference in its entirety into this Item 5. The following sentence is based on a total of 31,732,431 shares of Common Stock outstanding as of August 1, 2025, as reported in the Quarterly Report on Form 10-Q filed by the Issuer with the Commission on August 5, 2025. Pursuant to Rule 13d-3 under the Act, the Reporting Persons may be deemed to beneficially own 2,315,966 shares of Common Stock, which constitutes approximately 7.3% of the outstanding shares of Common Stock.

See response to Item 5(a) above.

Except as set forth in this Item 5, none of the Reporting Persons nor, to the best knowledge of the Reporting Persons, without independent verification, any person named in Item 2 hereof, has effected any transaction in the shares of Common Stock during the past 60 days.

To the best knowledge of the Reporting Persons, no person other than the Reporting Persons has the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the securities beneficially owned by the Reporting Persons identified in this Item 5.

Not applicable.