CDT Equity Inc.

The following is a summary of fees paid or to be paid to Marcum LLP, or Marcum, and CBIZ CPAs P.C., or CBIZ (which previously acquired Marcum on November 1, 2024), for services rendered.

Audit Fees. Audit fees consist of fees incurred for professional services rendered for the audit of financial statements, for reviews of our interim consolidated financial statements included in our quarterly reports on Form 10-Q, and for services that are normally provided in connection with statutory or regulatory filings or engagements. The aggregate fees billed by CBIZ for professional services rendered for the year ended December 31, 2025 totaled approximately $495,000. The aggregate fees billed by Marcum for professional services rendered for the year ended December 31, 2025 totaled approximately $51,500. The aggregate fees billed by Marcum for professional services rendered for the year ended December 31, 2024 totaled approximately $460,415.

Tax Fees. Tax fees consists of fees billed for tax compliance, tax planning and tax advice. We did not pay CBIZ any tax fees for the year ended December 31, 2025. We paid Marcum tax fees for the year ended December 31, 2024 totaling approximately $55,748.

All Other Fees. We did not pay CBIZ or Marcum for other services for the years ended December 31, 2025 or December 31, 2024.

Pre-Approval Policy

Our audit committee was formed upon the consummation of our initial public offering. As a result, the audit committee did not pre-approve all of the foregoing services, although any services rendered prior to the formation of our audit committee were approved by our board of directors. Since the formation of our audit committee, and on a going-forward basis, the audit committee has and will pre-approve all auditing services and permitted non-audit services to be performed for us by our auditors, including the fees and terms thereof (subject to thede minimisexceptions for non-audit services described in the Exchange Act which are approved by the audit committee prior to the completion of the audit).