TRST · Trustco Bank Corp N Y

Acquisition for child by custodial account established pursuant to the Uniform Gifts to Minors Act. The reporting person disclaims beneficial ownership of these shares to the extent that she does not have a pecuniary interest therein, and this report should not be deemed an admission that the reporting person is the beneficial owner of these shares for purposes of Section 16 or for any other purpose.

Acquisition for child by custodial account established pursuant to the Uniform Gifts to Minors Act. The reporting person disclaims beneficial ownership of these shares to the extent that she does not have a pecuniary interest therein, and this report should not be deemed an admission that the reporting person is the beneficial owner of these shares for purposes of Section 16 or for any other purpose.

Shares are held by the Thomas and Susan McCormick Trust for the benefit of the reporting person's child. The reporting person serves as co-trustee of this trust. The reporting person disclaims beneficial ownership of these shares to the extent that she does not have a pecuniary interest therein, and this report should not be deemed an admission that the reporting person is the beneficial owner of these shares for purposes of Section 16 or for any other purpose.

Represents shares of the issuer's common stock, par value of $1.00 per share, held of record by an immediate family member sharing the same household as the reporting person.

Represents shares of the issuer's common stock, par value of $1.00 per share, held of record by an immediate family member sharing the same household as the reporting person.

Each RSU represents a contingent right to receive one share of the Issuer's common stock upon vesting.

Represents the vesting and settlement of restricted stock units ("RSUs"), which convert into common stock of the Issuer on a one-for-one basis.

The RSU's vest in three equal annual installments beginning on November 21, 2024, the first anniversary of the date of the grant.

Reflects cash settlement of restricted stock units that settled only for cash.

One third of the restricted stock units awarded November 21, 2023 "vested" on November 21, 2025 and were settled in cash.

Represents the vesting and settlement of restricted stock units ("RSUs"), which convert into common stock of the Issuer on a one-for-one basis.

Each RSU represents a contingent right to receive one share of the Issuer's common stock upon vesting.

Represents the vesting and settlement of restricted stock units ("RSUs"), which convert into common stock of the Issuer on a one-for-one basis.

The RSU's vest in three equal annual installments beginning on November 21, 2024, the first anniversary of the date of the grant.

In an exempt transaction pursuant to Rule 16b-3(e), shares of the Issuer's common stock were withheld by the Issuer for the payment of withholding taxes due upon the vesting of RSUs.

Each restricted stock unit represents a contingent right to receive a payment in cash equal to the value of one share of Issuer Common Stock on the settlement date. The restricted stock units vest in three equal annual installments beginning on November 21, 2024.

One third of the restricted stock units awarded November 21, 2023 "vested" on November 21, 2025 and were settled in cash.

In an exempt transaction pursuant to Rule 16b-3(e), shares of the Issuer's common stock were withheld by the Issuer for the payment of withholding taxes due upon the vesting of RSUs.

Each RSU represents a contingent right to receive one share of the Issuer's common stock upon vesting.

Represents the vesting and settlement of restricted stock units ("RSUs"), which convert into common stock of the Issuer on a one-for-one basis.

The RSU's vest in three equal annual installments beginning on November 21, 2024, the first anniversary of the date of the grant.

In an exempt transaction pursuant to Rule 16b-3(e), shares of the Issuer's common stock were withheld by the Issuer for the payment of withholding taxes due upon the vesting of RSUs.

Represents the vesting and settlement of restricted stock units ("RSUs"), which convert into common stock of the Issuer on a one-for-one basis.

Each RSU represents a contingent right to receive one share of the Issuer's common stock upon vesting.

Represents the vesting and settlement of restricted stock units ("RSUs"), which convert into common stock of the Issuer on a one-for-one basis.

The RSU's vest in three equal annual installments beginning on November 21, 2024, the first anniversary of the date of the grant.

Represents the vesting and settlement of restricted stock units ("RSUs"), which convert into common stock of the Issuer on a one-for-one basis.

Represents the vesting and settlement of restricted stock units ("RSUs"), which convert into common stock of the Issuer on a one-for-one basis.

Each restricted stock unit represents a contingent right to receive a payment in cash equal to the value of one share of Issuer Common Stock on the settlement date. The restricted stock units vest in three equal annual installments beginning on November 21, 2024.

Reflects cash settlement of restricted stock units that settled only for cash.

One third of the restricted stock units awarded November 21, 2023 "vested" on November 21, 2025 and were settled in cash.

In an exempt transaction pursuant to Rule 16b-3(e), shares of the Issuer's common stock were withheld by the Issuer for the payment of withholding taxes due upon the vesting of RSUs.

Represents the vesting and settlement of restricted stock units ("RSUs"), which convert into common stock of the Issuer on a one-for-one basis.

Each RSU represents a contingent right to receive one share of the Issuer's common stock upon vesting.

Represents the vesting and settlement of restricted stock units ("RSUs"), which convert into common stock of the Issuer on a one-for-one basis.

The RSU's vest in three equal annual installments beginning on November 19, 2025, the first anniversary of the date of the grant.

In an exempt transaction pursuant to Rule 16b-3(e), shares of the Issuer's common stock were withheld by the Issuer for the payment of withholding taxes due upon the vesting of RSUs.

Reflects cash settlement of restricted stock units that settled only for cash.

One third of the restricted stock units awarded November 19, 2024 "vested" on November 19, 2025 and were settled in cash.

Each restricted stock unit represents a contingent right to receive a payment in cash equal to the value of one share of Issuer Common Stock on the settlement date.

Reflects cash settlement of restricted stock units that settled only for cash.

The restricted stock units awarded November 19, 2024 "vested" on November 19, 2025 and were settled in cash.

Each RSU represents a contingent right to receive one share of the Issuer's common stock upon vesting.

Represents the vesting and settlement of restricted stock units ("RSUs"), which convert into common stock of the Issuer on a one-for-one basis.

The RSU's vest in three equal annual installments beginning on November 19, 2025, the first anniversary of the date of the grant.

Each restricted stock unit represents a contingent right to receive a payment in cash equal to the value of one share of Issuer Common Stock on the settlement date. The restricted stock units vest in three equal annual installments beginning on November 19, 2025.

One third of the restricted stock units awarded November 19, 2024 "vested" on November 19, 2025 and were settled in cash.

Each restricted stock unit represents a contingent right to receive a payment in cash equal to the value of one share of Issuer Common Stock on the settlement date.

The restricted stock units awarded November 19, 2024 "vested" on November 19, 2025 and were settled in cash.

Reflects cash settlement of restricted stock units that settled only for cash.

The restricted stock units awarded November 19, 2024 "vested" on November 19, 2025 and were settled in cash.

Each restricted stock unit represents a contingent right to receive a payment in cash equal to the value of one share of Issuer Common Stock on the settlement date.

The restricted stock units awarded November 19, 2024 "vested" on November 19, 2025 and were settled in cash.

Each restricted stock unit represents a contingent right to receive a payment in cash equal to the value of one share of Issuer Common Stock on the settlement date.

Reflects cash settlement of restricted stock units that settled only for cash.

The restricted stock units awarded November 19, 2024 "vested" on November 19, 2025 and were settled in cash.

In an exempt transaction pursuant to Rule 16b-3(e), shares of the Issuer's common stock were withheld by the Issuer for the payment of withholding taxes due upon the vesting of RSUs.

In an exempt transaction pursuant to Rule 16b-3(e), shares of the Issuer's common stock were withheld by the Issuer for the payment of withholding taxes due upon the vesting of RSUs.

Each restricted stock unit represents a contingent right to receive a payment in cash equal to the value of one share of Issuer Common Stock on the settlement date.

Reflects cash settlement of restricted stock units that settled only for cash.

The restricted stock units awarded November 19, 2024 "vested" on November 19, 2025 and were settled in cash.

Reflects cash settlement of restricted stock units that settled only for cash.

The restricted stock units awarded November 19, 2024 "vested" on November 19, 2025 and were settled in cash.

Reflects cash settlement of restricted stock units that settled only for cash.

The restricted stock units awarded November 19, 2024 "vested" on November 19, 2025 and were settled in cash.

Reflects cash settlement of restricted stock units that settled only for cash.

The restricted stock units awarded November 19, 2024 "vested" on November 19, 2025 and were settled in cash.

Each RSU represents a contingent right to receive one share of the Issuer's common stock upon vesting.

Represents the vesting and settlement of restricted stock units ("RSUs"), which convert into common stock of the Issuer on a one-for-one basis.

The RSU's vest in three equal annual installments beginning on November 19, 2025, the first anniversary of the date of the grant.

Each restricted stock unit represents a contingent right to receive a payment in cash equal to the value of one share of Issuer Common Stock on the settlement date.

The restricted stock units awarded November 19, 2024 "vested" on November 19, 2025 and were settled in cash.

Each restricted stock unit represents a contingent right to receive a payment in cash equal to the value of one share of Issuer Common Stock on the settlement date.

The restricted stock units awarded November 19, 2024 "vested" on November 19, 2025 and were settled in cash.

In an exempt transaction pursuant to Rule 16b-3(e), shares of the Issuer's common stock were withheld by the Issuer for the payment of withholding taxes due upon the vesting of RSUs.

Each restricted stock unit represents a contingent right to receive a payment in cash equal to the value of one share of Issuer Common Stock on the settlement date.

The restricted stock units awarded November 19, 2024 "vested" on November 19, 2025 and were settled in cash.

Represents the vesting and settlement of restricted stock units ("RSUs"), which convert into common stock of the Issuer on a one-for-one basis.

Each restricted stock units represents a contingent right to receive a payment in cash equal to the value of one share of Issuer Common Stock on the settlement date.

The restricted stock units awarded November 19, 2024 "vested" on November 19, 2025 and were settled in cash.

Each restricted stock unit represents a contingent right to receive a payment in cash equal to the value of one share of Issuer Common Stock on the settlement date.

Reflects cash settlement of restricted stock units that settled only for cash.

The restricted stock units awarded November 19, 2024 "vested" on November 19, 2025 and were settled in cash.

Each restricted stock units represents a contingent right to receive a payment in cash equal to the value of one share of Issuer Common Stock on the settlement date.

Reflects cash settlement of restricted stock units that settled only for cash.

The restricted stock units awarded November 19, 2024 "vested" on November 19, 2025 and were settled in cash.

Reflects cash settlement of restricted stock units that settled only for cash.

The restricted stock units awarded November 19, 2024 "vested" on November 19, 2025 and were settled in cash.