MITT · TPG Mortgage Investment Trust, Inc.

Represents restricted stock units granted by the Issuer pursuant to dividend equivalent rights on previously awarded restricted stock units. The restricted stock units are fully vested, have no expiration, and will be settled in shares of the Issuer's common stock, on a one-for-one basis, upon the reporting person's separation from service with the Issuer.

Shares were granted to the reporting person in accordance with the Issuer's independent director compensation policy. The granted shares represent (1) 769 shares that are fully vested but may not be sold or transferred during the reporting person's term of service on the Issuer's Board of Directors, and (2) 12,210 shares that will vest on the one-year anniversary of the grant date.

Shares were granted to the reporting person in accordance with the Issuer's independent director compensation policy. The granted shares represent (1) 769 shares that are fully vested but may not be sold or transferred during the reporting person's term of service on the Issuer's Board of Directors, and (2) 12,210 shares that will vest on the one-year anniversary of the grant date.

Shares were granted to the reporting person in accordance with the Issuer's independent director compensation policy. The granted shares represent (1) 1,058 shares that are fully vested but may not be sold or transferred during the reporting person's term of service on the Issuer's Board of Directors, and (2) 15,873 shares that will vest on the one-year anniversary of the grant date.

Shares were granted to the reporting person in accordance with the Issuer's independent director compensation policy. The granted shares represent (1) 769 shares that are fully vested but may not be sold or transferred during the reporting person's term of service on the Issuer's Board of Directors, and (2) 12,210 shares that will vest on the one-year anniversary of the grant date.

Shares were granted to the reporting person in accordance with the Issuer's independent director compensation policy. The restricted shares are fully vested, but may not be sold or transferred during the reporting person's term of service on the Issuer's Board of Directors.

Shares were granted to the reporting person in accordance with the Issuer's independent director compensation policy. The restricted shares are fully vested, but may not be sold or transferred during the reporting person's term of service on the Issuer's Board of Directors.

Shares were granted to the reporting person in accordance with the Issuer's independent director compensation policy. The restricted shares are fully vested, but may not be sold or transferred during the reporting person's term of service on the Issuer's Board of Directors.

Shares were granted to the reporting person in accordance with the Issuer's independent director compensation policy. The restricted shares are fully vested, but may not be sold or transferred during the reporting person's term of service on the Issuer's Board of Directors.

Represents restricted stock units granted by the Issuer pursuant to dividend equivalent rights on previously awarded restricted stock units. The restricted stock units are fully vested, have no expiration, and will be settled in shares of the Issuer's common stock, on a one-for-one basis, upon the reporting person's separation from service with the Issuer.

The shares were withheld by the Issuer in satisfaction of withholding taxes incurred in connection with the vesting of certain shares acquired through a prior grant.

The shares were withheld by the Issuer in satisfaction of withholding taxes incurred in connection with the vesting of certain shares acquired through a prior grant.

Shares were granted to the reporting person in accordance with the Issuer's independent director compensation policy. The restricted shares are fully vested, but may not be sold or transferred during the reporting person's term of service on the Issuer's Board of Directors.

Shares were granted to the reporting person in accordance with the Issuer's independent director compensation policy. The restricted shares are fully vested, but may not be sold or transferred during the reporting person's term of service on the Issuer's Board of Directors.

Shares were granted to the reporting person in accordance with the Issuer's independent director compensation policy. The restricted shares are fully vested, but may not be sold or transferred during the reporting person's term of service on the Issuer's Board of Directors.

Shares were granted to the reporting person in accordance with the Issuer's independent director compensation policy. The restricted shares are fully vested, but may not be sold or transferred during the reporting person's term of service on the Issuer's Board of Directors.

Represents restricted stock units granted by the Issuer pursuant to dividend equivalent rights on previously awarded restricted stock units. The restricted stock units are fully vested, have no expiration, and will be settled in shares of the Issuer's common stock, on a one-for-one basis, upon the reporting person's separation from service with the Issuer.

Shares were granted to the reporting person in accordance with the Issuer's independent director compensation policy. The restricted shares are fully vested, but may not be sold or transferred during the reporting person's term of service on the Issuer's Board of Directors.

Shares were granted to the reporting person in accordance with the Issuer's independent director compensation policy. The restricted shares are fully vested, but may not be sold or transferred during the reporting person's term of service on the Issuer's Board of Directors.

Shares were granted to the reporting person in accordance with the Issuer's independent director compensation policy. The restricted shares are fully vested, but may not be sold or transferred during the reporting person's term of service on the Issuer's Board of Directors.

Shares were granted to the reporting person in accordance with the Issuer's independent director compensation policy. The restricted shares are fully vested, but may not be sold or transferred during the reporting person's term of service on the Issuer's Board of Directors.

The transactions were effectuated in order to transfer shares from the Reporting Person's brokerage account into the Reporting Person's IRA account.

Represents a weighted average price per share. These shares were purchased in multiple transactions ranging from $7.2950 to $7.3398, inclusive. The Reporting Person undertakes to provide upon request by the staff of the U.S. Securities and Exchange Commission, the Issuer or a security holder of the Issuer, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

The transactions were effectuated in order to transfer shares from the Reporting Person's brokerage account into the Reporting Person's IRA account.

Represents a weighted average price per share. These shares were sold in multiple transactions ranging from $7.2562 to $7.32, inclusive. The Reporting Person undertakes to provide upon request by the staff of the U.S. Securities and Exchange Commission, the Issuer or a security holder of the Issuer, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The transactions were effectuated in order to transfer shares from the Reporting Person's brokerage account into the Reporting Person's IRA account.

The transactions were effectuated in order to transfer shares from the Reporting Person's brokerage account into the Reporting Person's IRA account.

Represents restricted stock units granted by the Issuer pursuant to dividend equivalent rights on previously awarded restricted stock units. The restricted stock units are fully vested, have no expiration, and will be settled in shares of the Issuer's common stock, on a one-for-one basis, upon the reporting person's separation from service with the Issuer.

Shares were granted to the reporting person in accordance with the Issuer's independent director compensation policy. The restricted shares are fully vested, but may not be sold or transferred during the reporting person's term of service on the Issuer's Board of Directors.

Shares were granted to the reporting person in accordance with the Issuer's independent director compensation policy. The restricted shares are fully vested, but may not be sold or transferred during the reporting person's term of service on the Issuer's Board of Directors.

Shares were granted to the reporting person in accordance with the Issuer's independent director compensation policy. The restricted shares are fully vested, but may not be sold or transferred during the reporting person's term of service on the Issuer's Board of Directors.

Shares were granted to the reporting person in accordance with the Issuer's independent director compensation policy. The restricted shares are fully vested, but may not be sold or transferred during the reporting person's term of service on the Issuer's Board of Directors.

On May 5, 2025, the reporting person's restricted stock units were settled for shares of the Issuer's common stock, on a one-for-one basis, upon the reporting person's separation from service with the Issuer.

Securities held by the Quateman Living Trust of which the reporting person is a trustee.

On May 5, 2025, the reporting person's restricted stock units were settled for shares of the Issuer's common stock, on a one-for-one basis, upon the reporting person's separation from service with the Issuer.

Represents restricted stock units granted by the Issuer pursuant to dividend equivalent rights on previously awarded restricted stock units. The restricted stock units are fully vested, have no expiration, and will be settled in shares of the Issuer's common stock, on a one-for-one basis, upon the reporting person's separation from service with the Issuer.

Securities held by the Quateman Living Trust of which the reporting person is a trustee.

Represents restricted stock units granted by the Issuer pursuant to dividend equivalent rights on previously awarded restricted stock units. The restricted stock units are fully vested, have no expiration, and will be settled in shares of the Issuer's common stock, on a one-for-one basis, upon the reporting person's separation from service with the Issuer.

Shares were granted to the reporting person in accordance with the Issuer's independent director compensation policy. The restricted shares are fully vested, but may not be sold or transferred during the reporting person's term of service on the Issuer's Board of Directors.

Shares were granted to the reporting person in accordance with the Issuer's independent director compensation policy. The restricted shares are fully vested, but may not be sold or transferred during the reporting person's term of service on the Issuer's Board of Directors.

Shares were granted to the reporting person in accordance with the Issuer's independent director compensation policy. The restricted shares are fully vested, but may not be sold or transferred during the reporting person's term of service on the Issuer's Board of Directors.

Shares were granted to the reporting person in accordance with the Issuer's independent director compensation policy. The restricted shares are fully vested, but may not be sold or transferred during the reporting person's term of service on the Issuer's Board of Directors.

Securities held by the Quateman Living Trust of which the reporting person is a trustee.

Shares were granted to the reporting person in accordance with the Issuer's independent director compensation policy. The restricted shares are fully vested, but may not be sold or transferred during the reporting person's term of service on the Issuer's Board of Directors.

Shares were granted to the reporting person in accordance with the Issuer's independent director compensation policy. The restricted shares are fully vested, but may not be sold or transferred during the reporting person's term of service on the Issuer's Board of Directors.

Represents restricted stock units granted by the Issuer pursuant to dividend equivalent rights on previously awarded restricted stock units. The restricted stock units are fully vested, have no expiration, and will be settled in shares of the Issuer's common stock, on a one-for-one basis, upon the reporting person's separation from service with the Issuer.

Represents restricted stock units granted by the Issuer pursuant to dividend equivalent rights on previously awarded restricted stock units. The restricted stock units are fully vested, have no expiration, and will be settled in shares of the Issuer's common stock, on a one-for-one basis, upon the reporting person's separation from service with the Issuer.

Securities held by the Quateman Living Trust of which the reporting person is a trustee.

Shares were granted to the reporting person in accordance with the Issuer's independent director compensation policy. The restricted shares are fully vested, but may not be sold or transferred during the reporting person's term of service on the Issuer's Board of Directors.

Shares were granted to the reporting person in accordance with the Issuer's independent director compensation policy. The restricted shares are fully vested, but may not be sold or transferred during the reporting person's term of service on the Issuer's Board of Directors.

Shares were granted to the reporting person in accordance with the Issuer's independent director compensation policy. The restricted shares are fully vested, but may not be sold or transferred during the reporting person's term of service on the Issuer's Board of Directors.

Securities held by the Quateman Living Trust of which the reporting person is a trustee.

Shares were granted to the reporting person in accordance with the Issuer's independent director compensation policy. The restricted shares are fully vested, but may not be sold or transferred during the reporting person's term of service on the Issuer's Board of Directors.

Shares were granted to the reporting person in accordance with the Issuer's independent director compensation policy. The restricted shares are fully vested, but may not be sold or transferred during the reporting person's term of service on the Issuer's Board of Directors.

Shares were granted to the reporting person in accordance with the Issuer's independent director compensation policy. The restricted shares are fully vested, but may not be sold or transferred during the reporting person's term of service on the Issuer's Board of Directors.

Represents shares of restricted Common Stock granted to the reporting person by the Issuer, which vest ratably in three annual installments beginning on January 13, 2026.

Represents shares of restricted Common Stock granted to the reporting person by the Issuer, which vest ratably in three annual installments beginning on January 13, 2026.