Lunchtime announcement summary

*ST Zhisheng Announcement: The company's board of directors recently received a written resignation report from Deputy General Manager Lv Xuebin. Lv Xuebin is an associate researcher at the Computer School of Sichuan University. Due to the needs of his school work, he has applied to resign from the position of deputy general manager of the company. After his resignation, he will no longer hold any positions in the company or its subsidiaries. Ruikang Pharmaceutical Announcement: The company received a "Notice of Release of Obligation Pending Investigation" issued by the Jiyang District Supervisory Committee of Jinan City on February 13, 2026, relieving the obligation pending investigation measures against the company's directors, board secretary, and vice president Li Zhe. Currently, the company's production and operation are normal, and Li Zhe is performing his duties normally. Wol Core Materials Announcement: The company's H-shares have been included in the list of securities under the Hong Kong Stock Connect and Shenzhen-Hong Kong Stock Connect starting from February 13, 2026.