3591 Edison Announces Cash Reduction Benchmark Date

Announcement Date: July 23, 2026 Statement Date: July 22, 2026 Statement Time: 6:38:59 Company Code: 3591 Company Name: Edison Subject: The company has established the benchmark date for cash capital reduction. Applicable Clause: Clause 11 Factual Date: July 22, 2026 Explanation: 1. Board Resolution Date: Not applicable 2. Capital Reduction Benchmark Date: July 31, 2026 (Minguo Year 115) 3. Share Exchange Plan for Capital Reduction: The schedule and procedures for issuing new shares in connection with this cash capital reduction will be announced separately upon finalization. 4. New Share Issuance Benchmark Date: Not applicable 5. Share Transfer Suspension Start Date: Not applicable 6. Share Transfer Suspension End Date: Not applicable 7. Rights and Obligations of New Shares after Reduction: The new shares will have the same rights and obligations as the originally issued common shares. 8. Expected Listing Date of New Shares: Not applicable 9. Expected Number of Listed Common Shares after Capital Reduction: 130,386,835 shares 10. Ratio of Listed Common Shares to Total Issued Common Shares after Reduction (Listed Shares / Total Issued Shares): 100% 11. If the post-reduction listed shares are less than 60 million shares and less than 25%, measures to address low share liquidity: Not applicable 12. Other Matters to be Disclosed: (1) To adjust its capital structure and enhance shareholder returns, the company passed a resolution at the annual general meeting held on May 28, 2026 (Minguo Year 115) to carry out a cash capital reduction of NT$150,000,000 and cancel 15,000,000 shares. This matter has been declared effective by the Taiwan Stock Exchange Corporation under document number TWSE-1151802937 dated July 21, 2026 (Minguo Year 115). (2) The capital reduction benchmark date mentioned above will be reported to the Taiwan Stock Exchange for the capital reduction and share exchange plan after obtaining approval from the Ministry of Economic Affairs for the change in registered capital. Upon the Exchange's approval, the capital reduction and share exchange procedures will be carried out according to the approved plan. (3) The schedule and procedures for issuing new shares in connection with this capital reduction will be announced separately upon finalization.