News Release from Sanwa Holdings Corporation

Increase in Sanwa Holdings Corporation’s Equity Stake in SUN METAL COMPANY LIMITED

Sanwa Holdings Corporation, whose head office is located in Shinjuku-ku, Tokyo and whose President is Yasushi Takayama, increased its shareholding in SUN METAL COMPANY LIMITED, a Thailand-based manufacturer and seller of steel shutters, steel doors, and high-speed sheet shutters, from 25.60% to 51.29% as of October 26, and acquired control of the company.

The Sanwa Group has established a four-region business platform in Japan, the Americas, Europe, and Asia with the aim of becoming a global leader in high-performance entrance solutions, and in ASEAN it operates businesses in Vietnam, Indonesia, and Thailand. SUN METAL was established in 1991 with the objective of expanding its business domain and has been conducting business activities primarily in Thailand.

Through this increase in its equity stake, the company seek to accelerate business expansion in the fast-growing ASEAN market and further strengthen its management base.

Company Overview of SUN METAL COMPANY LIMITED

Company Name: SUN METAL COMPANY LIMITED

Established: 1991

Head Office: Bangkok, Thailand

Business Description: Manufacturing, sales, installation, and maintenance of steel shutters, steel doors, high-speed sheet shutters, and related products

Managing Director: Katsutomo Noritake

Capital: THB 84 million, approximately JPY 390 million

Number of Employees: 118 as of the end of September 2026

Equity Stake after Increase:

Sanwa Holdings Corporation 51.29%