GW Instek Announces Adjustment of Spin-off Benchmark Date for Imaging Security Business - Rail Division

1. Factual Date: August 5, 2026 2. Original Announcement Date: June 15, 2026 3. Summary of Original Announcement: The company's board of directors resolved to spin off the Imaging Security Business - Rail Division to a newly established wholly-owned subsidiary, Rayton Technology Inc. (provisional name). The spin-off benchmark date was initially adjusted to September 30, 2026, as announced in a material information disclosure on June 15, 2026. The board authorized the chairman to determine any further adjustments to the benchmark date and related schedules if necessary. 4. Reasons for Change and Main Content: Due to the need for internal operational scheduling adjustments, the spin-off benchmark date is being changed from September 30, 2026 to August 31, 2026. 5. Impact on Company's Financial and Business Operations After Change: None. 6. Other Matters to be Disclosed: None. Keywords: Material Information