Thanulux Public Company Limited Acknowledged the resignation of 2 directors of the Company, effective from December 8, 2022, onward as follows: Ms. Dusadee Soontrontumrong as Director and Managing Director, Ms. Yupaporn Jearrakul as Director and Mr. Wasin Teyateeti as director. The company also appointed Mr. Suthida Jongjenkit, Mr. Kittichai Treerachataphong and Mr. Vittawat Panpanich as directors. In this regard, the Company's directors who appointed to replace the resigned directors shall remain in their office during the term which the director they replaced was entitled, effective from December 8, 2022, onwards.

Appointed the sub-committees as follows: Audit Committee: Prof. Dr. Suchatvee Suwansawat Chairman of Audit Committee Mr. Maris Sangiampongsa Audit Committee Member Mr. Vittawat Panpanich Audit Committee Member Executive Committee: Mr. Kavin Kanjanapas Chairman of Executive Committee Mr. Vichai Kulsomphob Vice Chairman of Executive Committee Mr. Surayut Thavikulwat Executive Committee Member Mr. Kittichai Treerachataphong Executive Committee Member Ms. Lapika Sasanavin Executive Committee Member Ms. Suthida Jongjenkit Executive Committee Member Nomination and Remuneration Committee: Mr. Vichai Kulsomphob Chairman of Nomination and Remuneration Committee Mr. Kavin Kanjanapas Nomination and Remuneration Committee Member Mr. Surayut Thavikulwat Nomination and Remuneration Committee Member Ms. Suthida Jongjenkit Nomination and Remuneration Committee Member Corporate Governance and Risk Management Committee: Prof. Dr. Suchatvee Suwansawat Chairman of Corporate Governance and Risk Management Committee Mr. Kittichai Treerachataphong Corporate Governance and Risk Management Committee Member Ms. Lapika Sasanavin Corporate Governance and Risk Management Committee Member Ms. Suthida Jongjenkit Corporate Governance and Risk Management Committee Member The sub-committees shall be effective from December 8, 2022 onwards. Appointed Ms. Suthida Jongjenkit as the Managing Director to replace Ms. Dusadee Soontrontumrong, effective from December 8, 2022, onwards. Appointed Ms. Suthida Jongjenkit as the Company Secretary to replace Mr. Supachoke Sirichantaradilok, effective from December 8, 2022, onwards.