CBZ · CBIZ, Inc.

Restricted stock vesting 50% in each of the two years following date of award. Annual non-employee Director compensation grant awarded.

Restricted Stock vesting 50% in each of the two years following date of award. Annual non-employee Director compensation grant awarded.

Restricted Stock vesting 50% in each of the two years following date of award. Annual non-employee director compensation grant awarded.

Restricted Stock vesting 50% in each of the two years following date of award. Annual non-employee Director compensation grant awarded.

Restricted Stock vesting 50% in each of the two years following date of award. Annual non-employee Director compensation grant awarded.

Restricted Stock vesting 50% in each of the two years following date of award. Annual non-employee Director compensation grant awarded.

Restricted Stock vesting 50% in each of the two years following date of award. Annual non-employee Director compensation grant awarded.

Represents shares withheld for taxes upon the vesting of previously reported restricted stock units granted on March 17, 2025.

Includes 1,154.9545 shares acquired through the Company's 2007 Employee Stock Purchase Plan.

Shares transferred for estate planning purposes.

Shares transferred for estate planning purposes.

Shares transferred for estate planning purposes.

Shares transferred for estate planning purposes.

Shares transferred for estate planning purposes.

Shares transferred for estate planning purposes.

Weighted average sale price of price range between $25.91 and $26.70. The reporting person will provide, upon request, full information regarding the number of shares sold at each separate price.

On March 6, 2026, the reporting person was granted 28,025 restricted stock units, vesting in three equal annual installments beginning on the first anniversary of the grant date. Restricted stock units convert into common stock on a one-for-one basis.

On March 6, 2026, the reporting person was granted 21,760 restricted stock units, vesting in three equal annual installments beginning on the first anniversary of the grant date. Restricted stock units convert into common stock on a one-for-one basis.

On March 6, 2026, the reporting person was granted 65,941 restricted stock units, vesting in full on the second anniversary of the grant date, subject to the reporting person's continued employment with the issuer through such date. Restricted stock units convert into common stock on a one-for-one basis.

On March 6, 2026, the reporting person was granted 3,462 restricted stock units, vesting in three equal annual installments beginning on the first anniversary of the grant date. Restricted stock units convert into common stock on a one-for-one basis.

On March 6, 2026, the reporting person was granted 85,709 restricted stock units, vesting in three equal annual installments beginning on the first anniversary of the grant date. Restricted stock units convert into common stock on a one-for-one basis.

Represents shares withheld for taxes upon the vesting of previously reported restricted stock units granted on February 14, 2025.

Represents shares withheld for taxes upon the vesting of previously reported restricted stock units granted on February 14, 2025.

Represents shares withheld for taxes upon the vesting of previously reported restricted stock units granted on February 14, 2025.

Tax related to the vesting of performance share unit awards.

These shares were issued pursuant to the vesting of performance-based performance share unit awards made in 2023.

Tax related to the vesting of performance share unit awards.

These shares were issued pursuant to the vesting of performance-based performance share unit awards made in 2023.

Tax related to the vesting of performance share unit awards.

These shares were issued pursuant to the vesting of performance-based performance share unit awards made in 2023.

Represents shares withheld for taxes upon the vesting of previously reported restricted stock units granted on February 9, 2024.

Represents shares withheld for taxes upon the vesting of previously reported restricted stock units granted on February 9, 2024.

Represents shares withheld for taxes upon the vesting of previously reported restricted stock units granted on February 9, 2024.

Represents shares withheld for taxes upon the vesting of previously reported restricted stock units granted on February 8, 2023.

Restricted stock units convert into common stock on a one-for-one basis.

On February 8, 2023, the reporting person was granted 9,158 restricted stock units, vesting in three equal annual installments beginning on the first anniversary of the grant date.

Restricted stock units convert into common stock on a one-for-one basis.

Restricted stock units convert into common stock on a one-for-one basis.

On February 8, 2023, the reporting person was granted 28,361 restricted stock units, vesting in three equal annual installments beginning on the first anniversary of the grant date.

Restricted stock units convert into common stock on a one-for-one basis.

Weighted average sale price of price range between $49.50 and $49.585. The reporting person will provide, upon request, full information regarding the number of shares sold at each separate price.

2,485 shares previously reported as directly held were contributed to a trust of which the reporting person is the sole trustee and beneficiary during her lifetime and are now reported as indirectly owned.

Restricted Stock vesting 50% in each of the two years following date of award. Annual non-employee Director compensation grant awarded.

Restricted Stock vesting 50% in each of the two years following date of award. Annual non-employee Director compensation grant awarded.

Restricted Stock vesting 50% in each of the two years following date of award. Annual non-employee Director compensation grant awarded.

Restricted Stock vesting 50% in each of the two years following date of award. Annual non-employee Director compensation grant awarded.

Restricted Stock vesting 50% in each of the two years following date of award. Annual non-employee Director compensation grant awarded.