AGC Inc. at its board meeting held on December 12, 2022 announced the following changes in the members of the Audit & Supervisory Board and Executive Officers. The change of the Audit & Supervisory Board will be made subject to approval at the Ordinary General Meeting of Shareholders to be held in late March 2023. Changes in the Audit & Supervisory Board (effective as of March 30, 2023): Candidates for Audit & Supervisory Board Members: Name: Isamu Kawashima.

Current Position: Former Audit & Supervisory Board Member of NEC Corporation. New Position: Audit & Supervisory Board Member. Name: Haruka Matsuyama.

Current Position: Attorney at Law, Hibiya Park Law Offices. New Position: Audit & Supervisory Board Member. Resigning Audit & Supervisory Board Members: Name: Yoshiyuki Morimoto.

Current Position: Audit & Supervisory Board Member. Name: Yaeko Takeoka. Current Position: Audit & Supervisory Board Member.

Changes in Executive Officers (effective as of March 30, 2023): Resigning Executive Officer: Name: Seigo Washinoue. Current Position: Executive Officer, GM of Business Foundation General Div., Electronics Company. Position effective on January 1, 2023: Executive Officer, Assistant to President of Electronics Company.

Post-resignation position: AGC's Executive Fellow. Name: Naoki Sugimoto. Current Position: Executive Officer, GM of Materials Integration Laboratories, Technology General Div.

Position effective on January 1, 2023: Executive Officer, Assistant to CEO. Post-resignation position: Director of AGC's related organization. Members of Nominating Committee and Compensation Committee: Nominating Committee: Keiko Honda, Chairman and Takuya Shimamura, Yoshinori Hirai, Hiroyuki Yanagi, Isao Teshirogi are Members.

Compensation Committee: Isao Teshirogi, Chairman and Takuya Shimamura, Yoshinori Hirai, Hiroyuki Yanagi, Keiko Honda are Members.