Pruksa Holding Public Company Limited announced the establishment of the 3 subsidiaries to operate the business of holding shares or investing in other companies (Holding Company) and support the core business in the future, with details as follows: Company name: Quartz Holding 3 Company Limited Business: Holding company. Registered capital and number of shares: Registered capital of THB 2,000,000, Divided into 20,000 ordinary shares, each with a share value of THB 100. Shareholding structure: 1. Pruksa Holding Public Company Limited holds 19,998 shares, or equivalent to 99.990 per cent, 2. Mr. Porntep Suppataratarn holds 1 share, or equivalent to 0.005 per cent, 3. Ms. Jintana Insee holds 1 share, or equivalent to 0.005 per cent.

Date of incorporation: August 28th, 2023. Company name: Quartz Holding 4 Company Limited. Business: Holding company.

Registered capital and number of shares: Registered capital of THB 2,000,000, Divided into 20,000 ordinary shares, each with a share value of THB 100. Shareholding structure: 1. Pruksa Holding Public Company Limited holds 19,998 shares, or equivalent to 99.990 per cent, 2. Mr. Porntep Suppataratarn holds 1 share, or equivalent to 0.005 per cent, 3. Ms. Jintana Insee holds 1 share, or equivalent to 0.005 per cent. Date of incorporation: August 28th, 2023.

Company name: Inno Home Construction Company Limited, Business: Support the core business of PSH in the future, Registered capital and number of shares: Registered capital of THB 2,000,000, Divided into 20,000 ordinary shares, each with a share value of THB 100, Shareholding structure: 1. Quartz Holding 3 Company Limited holds 10,099 shares, or equivalent to 50.495 per cent, 2. Quartz Holding 2 Company Limited holds 9,899 shares or equivalent to 49.495 per cent, 3. Mr. Porntep Suppataratarn holds 1 share, or equivalent to 0.005 per cent, 4. Ms. Jintana Insee holds 1 share, or equivalent to 0.005 per cent. Date of incorporation: August 29th, 2023.