AGC : (Progress of Disclosure Matters) Outline of New Company to Integrate Chlor-Alkali Business in Thailand and CLMV Markets

February 21, 2022

Corporate Name: AGC Inc. President & CEO: Yoshinori Hirai (Code Number: 5201; TSE 1st section)

Contact: Chikako Ogawa, General Manager, Corporate Communications & Investor Relations Division (Tel: [phone])

(Progress of Disclosure Matters)

Outline of New Company to Integrate Chlor-Alkali Business in Thailand and CLMV

Markets

Regarding the integration and reorganization of the AGC Group's three chlor-alkali business subsidiaries in Thailand and CLMV markets, as announcedon March 19, 2021, the outline of the new integrated company to be established through the integration of AGC Chemicals (Thailand) Co., Ltd. (hereinafter "ACTH"), Vinythai Public Company Limited (hereinafter "VNT"), and AGC Chemicals Vietnam Co., Ltd., has been determined as follows.

The details including the company name will be officially decided upon approval at the joint general shareholders' meeting of VNT and ACTH scheduled for late June this year.

• Outline of the New Company to be Established

Name	AGC Vinythai Public Company Limited
Location	No. 2, Map Ta Phut Industrial Estate I-3 Road, Tambon Map Ta Phut Amphoe
	Mueang Rayong, Rayong 21150, Thailand
The title and name of the	Managing Director, Kazuaki Koga
representative
Business profile	Manufacture and sales of chemicals
Paid-in capital	8,734,060,364 THB
Time of establishment	Scheduled for July 2022
Major shareholders and	AGC Inc.: Planned to be 65% or more
shareholding ratio	PTT Global Chemical Public Company Limited: Planned to be 35-(a)*% or less

Others: Planned to be (a)％

*(a) is scheduled to be finalized after the completion of the tender offerperiod from December 22, 2021 to February 25, 2022.

As announced on March 19, 2021, AGC believes that the impact on its consolidated business results will be minimal, since this reorganization is taking place among AGC's consolidated subsidiaries.

The AGC Group aims to expand its chlor-alkali chemicals business in Southeast Asia as one of the priority businesses of the AGC plus 2.0 management policy. Through the integration and reorganization of the three chlor-alkali business companies in the Indochina Peninsula and the establishment of NewCo, AGC aims to strengthen the foundations of this business in Southeast Asia and achieve further growth.