SinoPac Holdings Announces Unaudited Consolidated Earnings for June 2026 with Subsidiaries

1. Date of Event: July 8, 2026 2. Company Name: SinoPac Financial Holdings 3. Relationship to Company (Please specify 'Company' or 'Subsidiary'): Company 4. Cross-shareholding Ratio: Company; wholly-owned subsidiaries (100% owned) 5. Reason for Announcement: SinoPac Financial Holdings announces the unaudited consolidated earnings for June 2026 for itself and its subsidiaries—SinoPac Bank, Chiao Tung Bank, and SinoPac Securities—as follows:

After-tax Cumulative After-tax EPS Cumulative EPS Profit/Loss Profit/Loss (NT$) (NT$) (in NT$ million)

SinoPac Financial Holdings 4,259 24,550 0.29 1.69 SinoPac Bank 2,363 13,524 0.21 1.22 Chiao Tung Bank 924 3,756 0.83 3.38 SinoPac Securities 1,104 7,348 0.65 4.35

Note: The after-tax profit/loss figures for SinoPac Financial Holdings and SinoPac Bank refer to profit attributable to owners of the parent. 6. Response Measures: None 7. Other Matters to be Disclosed: None

Keywords: Material Information