Guangdong Tianyu Semiconductor Co., Ltd. (Tianyu Semi) disclosed on 9 October 2026 that it repurchased 50,000 H-shares on the Hong Kong Stock Exchange at prices ranging from HKD48.84 to HKD51.70 per share. The transaction cost HKD2.50 million, implying a volume-weighted average purchase price of HKD49.98 per share.

Key metrics after the buyback: • Issued shares outstanding (excluding treasury shares) decreased by 0.09% to 58.46 million. • Treasury shares rose to 535,300, bringing total issued shares (including treasury stock) to 58.99 million. • Cumulative repurchases under the current mandate have reached 535,300 shares, representing 0.91% of the company’s issued share capital on 19 May 2026—the date the mandate was approved. • Tianyu Semi remains authorised to repurchase up to 5.90 million shares; approximately 5.36 million shares remain available under the mandate. • A 30-day moratorium on new share issues or treasury-share sales is in effect until 8 November 2026, in line with Hong Kong Listing Rule 10.06(3)(a).

No shares were cancelled; all repurchased shares have been retained as treasury stock. The company confirmed that the repurchase complied with Hong Kong Main Board Listing Rules and that no material changes have been made to the explanatory statement dated 27 April 2026.