[Primax] Board resolves indirect capital increase for Tymphany via subsidiary Diamond

1. Name and nature of the target: Acquisition of shares through a cash capital increase in Tymphany Worldwide Enterprises Ltd. 2. Date of occurrence: 2026/6/4. 3. Date of board resolution: 2026/6/4. 5. Transaction quantity, unit price, and total amount: Total amount of USD 17,000,000 (approx. NTD 544,000,000; exchange rate 32). 6. Counterparty and relationship to the company: Capital increase in Diamond (Cayman) Holdings Ltd. (referred to as 'Diamond'), followed by a capital increase in Tymphany Worldwide Enterprises Ltd. (referred to as 'TWEL'). Relationship: All are 100% owned subsidiaries of the company. 14. Accumulated shareholding: Total accumulated amount is NTD 3,335,910,000; shareholding ratio is 100%. 17. Purpose of transaction: Indirect acquisition of TWEL shares through capital increase in Diamond. 19. Whether it is a related party transaction: Yes. 20. Date of audit committee approval: 2026/6/4.