CBZ CBIZ, Inc.

“management identified a material weakness in the Company s internal control over financial reporting relating to its goodwill reassignment among reporting units for purposes of impairment assessment”

“management identified a material weakness in the Company s internal control over financial reporting relating to the administration of the ESPP (the ESPP Material Weakness ).”

“our CEO and CFO have concluded that as of the end of the period covered by this report, CBIZ s Disclosure Controls were not effective at that reasonable assurance level because of the material weaknesses in internal control over financial reporting described below.”

“our ability to maintain effective internal control over financial reporting and disclosure controls and procedures, including ability to remediate our material weaknesses in our internal control over financial reporting”

“However, as a result of the purchase and delivery of the excess shares and the associated obligation, the Company revised the previously issued interim financial information for the three months ended March 31, 2026.”