ST Starlight: provide guarantee and mortgage guarantee for the subsidiary's loan of 20 million yuan.

ST Starlight announced that the company had previously intended to provide guarantees not exceeding 75 million yuan for multiple holding subsidiaries, accounting for 25.87% of the audited net assets at the end of 2024. Recently, its wholly-owned subsidiary Xuelaitte Optoelectronics borrowed 20 million yuan from the Bank of Communications, with a term from December 12, 2025 to December 10, 2026. The company provided guarantees and collateral for it. As of December 11, 2025, the company and its holding subsidiaries had accumulated approved guarantee amounts of 125 million yuan, with actual expenses of about 61.23 million yuan, accounting for 21.12% of the audited net assets at the end of 2024. In addition, a provision for liability of about 20.075 million yuan has been made for guarantees.