Statement of Changes in Beneficial Ownership

Cheryl M. Kirkbride, a director at CSB Bancorp, Inc., reported a transaction on June 23, 2026. She acquired 8.425 shares of common stock at a price of $70.13 per share, resulting in a post-transaction ownership of 1382.518 shares. Following this transaction, her total holdings include 2255 shares in an IRA, 460 shares in a Spouse IRA, and various smaller holdings through spousal custodianship for child accounts. The filing was made on June 24, 2026, under Form 4, with Margaret L. Conn acting as her attorney-in-fact for Section 16 reporting obligations. Kirkbride disclaims beneficial ownership of shares held through the spousal custodian accounts.