TYK Medicines, Inc 浙江同源康醫藥股份有限公司 (A joint stock company incorporated in the People's Republic of China with limited liability) （於中華人民共和國註冊成立的股份有限公司） （Stock Code: 股份代號：2410） 17 September 2025 Dear registered H shareholder(s), Reminder letter regarding the Arrangement of Electronic Dissemination of Corporate Communications (Note 1) With reference to the notification letter dated 6 September 2024 titled "Arrangement of Electronic Dissemination of Corporate Communications", TYK Medicines, Inc (the "Company") is ...