本公告由三葉草生物製藥有限公司（「本公司」或「三葉草生物」，連同其附屬公司統稱「本集團」）董事 （「董事」）會（「董事會」）自願作出，以知會本公司股東及潛在投資者本集團最新的業務發展狀況。 香港交易及結算所有限公司及香港聯合交易所有限公司對本公告的內容概不負責，對其準確性或完整性亦不 發表任何聲明，並明確表示，概不就因本公告全部或任何部份內容所產生或因依賴該等內容而引致的任何損 失承擔任何責任。 自願公告 三葉草生物公佈其呼吸道聯合疫苗(RSV-hMPV-PIV3) 及 RSV 疫苗重複接種在老年人群的 I 期臨床試驗均獲得積極數據 本公司欣然宣佈兩項正在進行的臨床試驗的積極初步數據，基於公司自研獨有已获全面驗證的 Trimer-Tag （ 白質三聚體化）疫苗研發平台 ，於於估公公司的 PreF 呼吸道聯合疫苗候選產品（RSV+hMPV±PIV3），包括： 呼吸道聯合疫苗候選產品 RSV+hMPV±PIV3 I 期臨床試驗(澳大利亞)：完整初步數據 在澳大利亞進行的一項 I 期臨床試驗中，老年人群受試者（60-85 歲）入組後被隨機分配接種 SCB-1022 （RSV+hMPV）、SCB-1033 （RSV+ ...

Core Viewpoint - Several biotechnology companies, including Sanofi Biologics, Innovent Biologics, and Rongchang Biologics, experienced significant stock declines, with drops exceeding 10% [1] Company Performance - Sanofi Biologics, Innovent Biologics, and Rongchang Biologics all saw their stock prices fall by more than 10% [1] - Other companies such as Gilead Sciences, Chuangsheng Group, and Jakeson also faced declines, with drops exceeding 9% [1]

Group 1 - The pharmaceutical sector experienced a significant decline, with notable drops in stock prices for companies such as Clover Biopharmaceuticals (-14.43%), Rongchang Biopharmaceuticals (-11.54%), and Innovent Biologics (-11.48%) [1] - According to Zhongtai Securities, the sector has been in a state of adjustment since September, primarily due to the substantial outperformance of the pharmaceutical sector since March, leading to a lack of strong upward momentum in the short term [1] - The report suggests that the current phase of adjustment is relatively healthy, with the fundamental innovation logic remaining unchanged, and the pharmaceutical sector is still at a valuation bottom with strong safety margins and upside potential in the long term [1] Group 2 - Guosheng Securities noted that during the holiday period, Pfizer and Trump reached an agreement that alleviated policy concerns for overseas multinational corporations (MNCs), positively impacting the sentiment in the Hong Kong pharmaceutical market [2] - The CXO sector has shown relative strength, benefiting from performance advantages during earnings periods, expectations of interest rate cuts, and an upward trend in the industry, indicating a positive outlook for the medium to long term [2] - Recent lack of catalysts for innovative drugs has led to a digestion of positions, but there are signs of stabilization, with optimism for performance improvement in Q4, especially after the National Day holiday [2]

Group 1 - Pharmaceutical stocks experienced a significant decline today, with notable drops across various companies [1] - Clover Biotech-B (02197.HK) saw a decrease of 14.43%, trading at 2.49 HKD [1] - Rongchang Biotech (09995.HK) fell by 11.54%, with a current price of 105.4 HKD [1] - Nuo Cheng Jianhua (09969.HK) dropped 11.48%, now priced at 16.65 HKD [1] - Gilead Pharmaceuticals-B (01672.HK) decreased by 9.16%, trading at 10.51 HKD [1] - Tigermed (03347.HK) experienced a decline of 7.08%, with a price of 43.86 HKD [1]

Group 1 - Pharmaceutical stocks experienced a significant decline, with notable drops in companies such as Clover Biopharmaceuticals-B (down 14.43%), Rongchang Biopharmaceutical (down 11.54%), and others [1] - Zhongtai Securities indicated that the pharmaceutical sector has been in a state of adjustment since September, primarily due to the substantial outperformance since March, leading to profit-taking by investors [1] - The report suggests that the current adjustment phase is relatively healthy, with no fundamental changes in the innovation logic of the sector, and that the pharmaceutical sector remains at a valuation bottom with strong upside potential [1] Group 2 - Guosheng Securities noted that during the holiday period, Pfizer and Trump reached an agreement that alleviated policy concerns for overseas MNCs, positively impacting the sentiment in the Hong Kong pharmaceutical market [2] - The CXO sector has shown relative strength due to performance advantages during earnings periods, expectations of interest rate cuts, and an anticipated upward trend in the industry [2] - There are signs of stabilization in the innovative drug sector, which has been lacking catalysts recently, with expectations for improved performance in Q4 following the National Day holiday [2]

Group 1 - Pharmaceutical stocks experienced a significant decline, with notable drops in companies such as Clover Biopharma-B (down 14.43% to HKD 2.49), Rongchang Biopharma (down 11.54% to HKD 105.4), and Innovent Biologics (down 11.48% to HKD 16.65) [1] - According to Zhongtai Securities, the pharmaceutical sector has been in a phase of adjustment since September, primarily due to the substantial outperformance since March, leading to a lack of strong upward momentum in the short term [1] - The firm views the current phase of adjustment as relatively healthy, with the fundamental innovation logic remaining unchanged, and anticipates that the pharmaceutical sector is still at a valuation bottom with strong safety margins and upside potential in the long term [1] Group 2 - Guosheng Securities noted that during the holiday period, Pfizer and Trump reached an agreement that alleviated policy concerns for overseas MNCs, positively impacting the sentiment in the Hong Kong pharmaceutical market and benefiting CXO companies [2] - The CXO sector has shown relative strength due to performance advantages during earnings periods, expectations of interest rate cuts, and an anticipated upward trend in the industry, making it a sector to watch for medium to long-term potential [2] - Recent lack of catalysts for innovative drugs has led to a phase of digestion of positions, but there are signs of stabilization, with optimism for performance improvement post-October, particularly in Q4 [2]

FF301 股份發行人及根據《上市規則》第十九B章上市的香港預託證券發行人的證券變動月報表 截至月份: 2025年9月30日 狀態: 新提交 致：香港交易及結算所有限公司 公司名稱: 三葉草生物製藥有限公司 (「本公司」) (於開曼群島註冊成立的有限公司) 呈交日期: 2025年10月3日 I. 法定/註冊股本變動 | 1. 股份分類 | 普通股 | 股份類別 | 不適用 | | 於香港聯交所上市 (註1) | | 是 | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 證券代號 (如上市) | 02197 | 說明 | | | | | | | | | | 法定/註冊股份數目 | | | 面值 | | 法定/註冊股本 | | | 上月底結存 | | | 2,000,000,000 | USD | | 0.0001 USD | | 200,000 | | 增加 / 減少 (-) | | | | | | USD | | | | 本月底結存 | | | 2,000,000,000 | USD | | 0.0001 USD | | 200,000 ...

Group 1 - Pharmaceutical stocks are experiencing a strong rally, with notable increases in share prices for companies such as Clover Biopharmaceuticals (up 20.26%), Genscript Biotech (up 15.05%), and others [1] - On September 26, former President Trump announced a 100% tariff on any brand or patented pharmaceutical products starting October 1, 2025, unless companies establish manufacturing facilities in the U.S. [1] - Southwest Securities predicts uncertainty regarding the implementation of this executive order, suggesting that Chinese innovative drug companies heavily reliant on the U.S. market may face short-term pressure [1] - China’s innovative drug companies that engage in business development (BD) overseas are expected to be less affected, particularly those involved in license-out agreements, which are essentially intellectual property transactions [1] - China Post Securities believes the actual impact of the tariffs will be minimal, viewing the current price drop as a good opportunity to increase holdings in innovative drugs [1] Group 2 - From the perspective of catalysts in the innovative drug sector, October will see significant industry conferences such as ESMO (October 17-21), followed by ASH and the San Antonio Breast Cancer Symposium in December [2] - There has been ongoing progress in outbound licensing transactions this year, with several significant deals already completed, indicating potential opportunities for high-quality domestic innovative drugs to enter international markets [2] - The fourth quarter is expected to bring domestic policy implementations, including adjustments to the medical insurance catalog [2]

Group 1 - The stock of Clover Biopharmaceuticals-B (02197.HK) increased by over 21% on October 2, reaching a price of 2.75 HKD [1] - The trading volume amounted to 42.2186 million HKD [1]

Core Viewpoint - Clover Biopharmaceuticals-B (02197) has seen a significant stock increase of over 21%, currently trading at 2.75 HKD with a transaction volume of 42.22 million HKD, following the announcement of its clinical trial progress for respiratory vaccines [1] Group 1: Company Developments - In June, Clover Biopharmaceuticals announced the initiation of Phase I clinical trials for its respiratory combination vaccine candidates SCB-1022 (RSV+hMPV) and SCB-1033 (RSV+hMPV+PIV3) [1] - The CEO of Clover Biopharmaceuticals, Liang Guo, highlighted that while currently approved recombinant protein RSV vaccines are safe and effective, there remains a significant unmet clinical need globally [1] Group 2: Market Context - The unmet clinical needs include the inability to prevent and alleviate respiratory diseases caused by human metapneumovirus (hMPV) and parainfluenza virus type 3 (PIV3), which are structurally similar to RSV [1]