TTEC · TTEC Holdings, Inc.

Reflects withholding of shares to satisfy tax obligations in connection with the vesting of RSUs. No shares were sold.

Reflects vesting of Restricted Stock Units ("RSUs") on July 17, 2026. The Reporting Person initially received 97,403 time-based RSUs on July 17, 2024. The RSUs vest in five installments of approximately 20% per year beginning on July 17, 2025.

Reflects vesting of Restricted Stock Units ("RSUs") on July 17, 2026. The Reporting Person initially received 97,403 time-based RSUs on July 17, 2024. The RSUs vest in five installments of approximately 20% per year beginning on July 17, 2025.

Reflects vesting of Restricted Stock Units ("RSUs") on July 1, 2026. The Reporting Person initially received 3,373 time-based RSUs on July 1, 2022. The RSUs vest in four installments of approximately 25% per year beginning on July 1, 2023.

Reflects vesting of Restricted Stock Units ("RSUs") on July 1, 2026. The Reporting Person initially received 3,373 time-based RSUs on July 1, 2022. The RSUs vest in four installments of approximately 25% per year beginning on July 1, 2023.

Reflects vesting of Restricted Stock Units ("RSUs") on July 1, 2026. The Reporting Person initially received 3,007 time-based RSUs on July 1, 2022. The RSUs vest in four installments of approximately 25% per year beginning on July 1, 2023.

Reflects withholding of shares to satisfy tax obligations in connection with the vesting of RSUs. No shares were sold.

Reflects withholding of shares to satisfy tax obligations in connection with the vesting of RSUs. No shares were sold

Reflects vesting of Restricted Stock Units ("RSUs") on July 1, 2026. The Reporting Person initially received 3,007 time-based RSUs on July 1, 2022. The RSUs vest in four installments of approximately 25% per year beginning on July 1, 2023.

Reflects vesting of Restricted Stock Units ("RSUs") on May 30, 2026. The Reporting Person initially received 24,290 time-based RSUs on May 30, 2024. The RSUs vest in three installments of approximately 33% per year beginning on May 30, 2025.

Reflects vesting of Restricted Stock Units ("RSUs") on May 30, 2026. The Reporting Person initially received 28,150 time-based RSUs on May 30, 2024. The RSUs vest in three installments of approximately 33% per year beginning on May 30, 2025.

Reflects withholding of shares to satisfy tax obligations in connection with the vesting of RSUs. No shares were sold.

Reflects withholding of shares to satisfy tax obligations in connection with the vesting of RSUs. No shares were sold.

Reflects vesting of Restricted Stock Units ("RSUs") on May 30, 2026. The Reporting Person initially received 36,193 time-based RSUs on May 5, 2025. The RSUs vest in three installments: (1) 12,065 RSUs will vest on May 30, 2025; (2) 12,064 RSUs will vest on May 30, 2026; and (3) 12,064 RSUs will vest on May 30, 2027.

Reflects vesting of Restricted Stock Units ("RSUs") on May 30, 2026. The Reporting Person initially received 24,290 time-based RSUs on May 30, 2024. The RSUs vest in three installments of approximately 33% per year beginning on May 30, 2025.

Reflects vesting of Restricted Stock Units ("RSUs") on May 30, 2026. The Reporting Person initially received 36,193 time-based RSUs on May 5, 2025. The RSUs vest in three installments: (1) 12,065 RSUs will vest on May 30, 2025; (2) 12,064 RSUs will vest on May 30, 2026; and (3) 12,064 RSUs will vest on May 30, 2027.

Reflects vesting of Restricted Stock Units ("RSUs") on May 30, 2026. The Reporting Person initially received 28,150 time-based RSUs on May 30, 2024. The RSUs vest in three installments of approximately 33% per year beginning on May 30, 2025.

Reflects withholding of shares to satisfy tax obligations in connection with the vesting of RSUs. No shares were sold.

The Reporting Person received 70,896 time-based RSUs on May 21, 2026. The RSUs vest in full on the earlier of: (i) the first anniversary of the date of the grant; (ii) the date of the succeeding year's annual meeting of stockholders; or (iii) any change-in-control event (as defined in the RSU Agreement).

The Reporting Person received 70,896 time-based RSUs on May 21, 2026. The RSUs vest in full on the earlier of: (i) the first anniversary of the date of the grant; (ii) the date of the succeeding year's annual meeting of stockholders; or (iii) any change-in-control event (as defined in the RSU Agreement).

Reflects vesting of Restricted Stock Units ("RSUs") on May 21, 2026. The Reporting Person initially received 36,965 time-based RSUs on May 23, 2025. The RSUs vest in full on the earlier of: (i) the first anniversary of the date of the grant; (ii) the date of the succeeding year's annual meeting of stockholders; or (iii) any change-in-control event (as defined in the RSU Agreement).

The Reporting Person received 70,896 time-based RSUs on May 21, 2026. The RSUs vest in full on the earlier of: (i) the first anniversary of the date of the grant; (ii) the date of the succeeding year's annual meeting of stockholders; or (iii) any change-in-control event (as defined in the RSU Agreement).

Reflects vesting of Restricted Stock Units ("RSUs") on May 21, 2026. The Reporting Person initially received 36,965 time-based RSUs on May 23, 2025. The RSUs vest in full on the earlier of: (i) the first anniversary of the date of the grant; (ii) the date of the succeeding year's annual meeting of stockholders; or (iii) any change-in-control event (as defined in the RSU Agreement).

The Reporting Person received 70,896 time-based RSUs on May 21, 2026. The RSUs vest in full on the earlier of: (i) the first anniversary of the date of the grant; (ii) the date of the succeeding year's annual meeting of stockholders; or (iii) any change-in-control event (as defined in the RSU Agreement).

Reflects vesting of Restricted Stock Units ("RSUs") on May 21, 2026. The Reporting Person initially received 36,965 time-based RSUs on May 23, 2025. The RSUs vest in full on the earlier of: (i) the first anniversary of the date of the grant; (ii) the date of the succeeding year's annual meeting of stockholders; or (iii) any change-in-control event (as defined in the RSU Agreement).

Reflects vesting of Restricted Stock Units ("RSUs") on May 21, 2026. The Reporting Person initially received 36,965 time-based RSUs on May 23, 2025. The RSUs vest in full on the earlier of: (i) the first anniversary of the date of the grant; (ii) the date of the succeeding year's annual meeting of stockholders; or (iii) any change-in-control event (as defined in the RSU Agreement).

Reflects vesting of Restricted Stock Units ("RSUs") on May 21, 2026. The Reporting Person initially received 36,965 time-based RSUs on May 23, 2025. The RSUs vest in full on the earlier of: (i) the first anniversary of the date of the grant; (ii) the date of the succeeding year's annual meeting of stockholders; or (iii) any change-in-control event (as defined in the RSU Agreement).

Reflects vesting of Restricted Stock Units ("RSUs") on May 21, 2026. The Reporting Person initially received 36,965 time-based RSUs on May 23, 2025. The RSUs vest in full on the earlier of: (i) the first anniversary of the date of the grant; (ii) the date of the succeeding year's annual meeting of stockholders; or (iii) any change-in-control event (as defined in the RSU Agreement).

Reflects vesting of Restricted Stock Units ("RSUs") on May 21, 2026. The Reporting Person initially received 36,965 time-based RSUs on May 23, 2025. The RSUs vest in full on the earlier of: (i) the first anniversary of the date of the grant; (ii) the date of the succeeding year's annual meeting of stockholders; or (iii) any change-in-control event (as defined in the RSU Agreement).

Reflects vesting of Restricted Stock Units ("RSUs") on May 21, 2026. The Reporting Person initially received 36,965 time-based RSUs on May 23, 2025. The RSUs vest in full on the earlier of: (i) the first anniversary of the date of the grant; (ii) the date of the succeeding year's annual meeting of stockholders; or (iii) any change-in-control event (as defined in the RSU Agreement).

Reflects vesting of Restricted Stock Units ("RSUs") on May 21, 2026. The Reporting Person initially received 36,965 time-based RSUs on May 23, 2025. The RSUs vest in full on the earlier of: (i) the first anniversary of the date of the grant; (ii) the date of the succeeding year's annual meeting of stockholders; or (iii) any change-in-control event (as defined in the RSU Agreement).

The Reporting Person received 70,896 time-based RSUs on May 21, 2026. The RSUs vest in full on the earlier of: (i) the first anniversary of the date of the grant; (ii) the date of the succeeding year's annual meeting of stockholders; or (iii) any change-in-control event (as defined in the RSU Agreement).

Reflects vesting of Restricted Stock Units ("RSUs") on May 21, 2026. The Reporting Person initially received 36,965 time-based RSUs on May 23, 2025. The RSUs vest in full on the earlier of: (i) the first anniversary of the date of the grant; (ii) the date of the succeeding year's annual meeting of stockholders; or (iii) any change-in-control event (as defined in the RSU Agreement).

The Reporting Person received 70,896 time-based RSUs on May 21, 2026. The RSUs vest in full on the earlier of: (i) the first anniversary of the date of the grant; (ii) the date of the succeeding year's annual meeting of stockholders; or (iii) any change-in-control event (as defined in the RSU Agreement).

Reflects vesting of Restricted Stock Units ("RSUs") on April 14, 2026. The Reporting Person initially received 3,065 time-based RSUs on April 14, 2023. The RSUs vest in four installments of 25% per year beginning on April 14, 2024.

Reflects withholding of shares to satisfy tax obligations in connection with the vesting of RSUs. No shares were sold.

Reflects vesting of Restricted Stock Units ("RSUs") on April 14, 2026. The Reporting Person initially received 3,065 time-based RSUs on April 14, 2023. The RSUs vest in four installments of 25% per year beginning on April 14, 2024.

Represents the average price of multiple transactions with a range of prices between $2.45 and $2.52. The Reporting Person, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, will undertake to provide further information regarding the number of securities purchased at each separate price.

Represents the average price of multiple transactions with a range of prices between $2.65 and $2.70. The Reporting Person, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, will undertake to provide further information regarding the number of securities purchased at each separate price.

Represents the average price of multiple transactions with a range of prices between $2.2467 and $2.4198. The Reporting Person, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, will undertake to provide further information regarding the number of securities purchased at each separate price.

Represents the average price of multiple transactions with a range of prices between $2.3078 and $2.3165. The Reporting Person, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, will undertake to provide further information regarding the number of securities purchased at each separate price.

Reflects vesting of Restricted Stock Units ("RSUs") on March 1, 2026. The Reporting Person initially received 288,392 time-based RSUs on March 1, 2024. The RSUs vest in five installments of 20% per year beginning on March 1, 2025.

Reflects vesting of Restricted Stock Units ("RSUs") on March 1, 2026. The Reporting Person initially received 288,392 time-based RSUs on March 1, 2024. The RSUs vest in five installments of 20% per year beginning on March 1, 2025.

Reflects withholding of shares to satisfy tax obligations in connection with the vesting of RSUs. No shares were sold.

The Reporting Person received 45,103 time-based Restricted Stock Units ("RSUs") on December 11, 2025. The RSUs vest 40% on November 10, 2027 and 20% annually thereafter for the remainder of the grant.

Reflects withholding of shares to satisfy tax obligations in connection with the vesting of RSUs. No shares were sold.

The Reporting Person received 65,545 time-based Restricted Stock Units ("RSUs") on December 7, 2022. The RSUs vested 40% on November 28, 2024 and vest 20% annually thereafter for the remainder of the grant.

The Reporting Person received 65,545 time-based Restricted Stock Units ("RSUs") on December 7, 2022. The RSUs vested 40% on November 28, 2024 and vest 20% annually thereafter for the remainder of the grant.

Reflects vesting of Restricted Stock Units ("RSUs") on October 4, 2025. The Reporting Person initially received 41,237 time-based RSUs on October 4, 2024. The RSUs vest in two installments of 50% per year beginning on October 4, 2025.