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分內容而產生或因 倚賴該等內容而引致的任何損失承擔任何責任。 完成根據一般授權配售新H股 獨家整體協調人、配售代理及資本市場中介人 茲提述宜明昂科生物醫藥技術（上海）股份有限公司（「本公司」）日期為2025年10 月9日的公告，內容有關根據一般授權配售新H股（「配售公告」）。除非另有界 定，否則本公告所有詞彙與配售公告所界定者具相同涵義。 本公告僅供參考之用，並不構成收購、購買或認購本公司證券的邀請或要約。 本公告及其任何副本概不得直接或間接在美國，或在刊發或派發本公告屬違法的任何其他司 法權區刊發或派發。 本公告並非在美國購買或認購任何證券之要約或招攬，亦不構成其一部分。本公告所述證券 並未且不會根據《1933年美國證券法》（「美國證券法」）登記，亦不會在美國提呈或出售，除非 根據美國證券法作出登記或獲豁免或為毋須根據美國證券法作出登記之交易。本公司無意根 據美國證券法登記本公告內所指之任何證券，或在美國進行證券之公開發售。 ImmuneOnco Biopharm ...

Core Insights - The stock of Yiming Oncology-B (01541) rose over 5%, currently up 5.22% at HKD 11.47, with a trading volume of HKD 40.4765 million [1] Group 1: Nobel Prize Announcement - Three scientists, including Mary E. Blenko, were awarded the 2025 Nobel Prize in Physiology or Medicine for their research on peripheral immune tolerance mechanisms [1] - This innovative research identified the immune system's inhibitory switch, offering transformative therapies for millions suffering from autoimmune diseases and cancer [1] - Regulatory T cells (Treg cells) maintain immune tolerance through the Foxp3 transcription factor, with their dysfunction closely linked to autoimmune diseases and cancer [1] Group 2: Development of Tazlestobart - Yiming Oncology is actively advancing the clinical development of Tazlestobart (IMM27M), a next-generation CTLA-4 antibody [2] - Tazlestobart works by eliminating Treg cells in the tumor microenvironment to exert its anti-tumor effects [2] - The drug enhances ADCC activity through genetic engineering, targeting specific molecules on Treg cells to modulate their function or quantity, thereby boosting immune responses [2]

Core Viewpoint - The stock of Iminconco-B (01541) has risen over 5% due to increased attention on Treg cell therapy and the active clinical development of Tazlestobart monoclonal antibody [1][2] Group 1: Company Developments - Iminconco-B's stock price increased by 5.22%, reaching 11.47 HKD, with a trading volume of 40.47 million HKD [1] - The company is actively advancing the clinical development of Tazlestobart (IMM27M), a next-generation CTLA-4 antibody [2] Group 2: Scientific Recognition - Three scientists, including Mary E. Blenko, were awarded the 2025 Nobel Prize in Physiology or Medicine for their research on peripheral immune tolerance mechanisms, which has implications for autoimmune diseases and cancer therapies [1] - The discovery of regulatory T cells (Treg cells) and their mechanisms has provided a theoretical foundation for developing new immunomodulatory drugs [1] Group 3: Product Mechanism - Tazlestobart (IMM27M) is designed to eliminate Treg cells in the tumor microenvironment, enhancing anti-tumor efficacy [2] - The drug utilizes genetic engineering to enhance ADCC activity and targets specific molecules on Treg cells, particularly CTLA-4, to modulate their function or quantity [2]

Core Insights - The recent surge in Business Development (BD) transactions among domestic innovative drug companies is entering a milestone payment phase, with several companies announcing significant payments triggered by clinical trial achievements [1][2][3] Group 1: Milestone Payments - BaiLi Tianheng announced a milestone payment of $250 million from Bristol-Myers Squibb (BMS) following the success of its global Phase II/III clinical trial for IZABRIGHT-Breast01 [1][3] - This payment is part of a larger agreement where BaiLi Tianheng could receive up to $2.5 billion in total milestone payments, including previous payments from BMS [4] - Other companies, such as China National Pharmaceutical Group and Yiming Oncology-B, have also reported receiving milestone payments, indicating a trend in the industry [2][3] Group 2: Market Trends and Future Outlook - UBS Securities predicts that the current high enthusiasm for BD transactions will gradually decline, shifting market focus towards fundamental revenue and profit growth [2][6] - The sustainability of revenue and profit growth for companies that have engaged in licensing deals will depend on the innovation and commercialization potential of their pipelines [2][5] - A significant number of past BD transactions have faced challenges, with a notable "return rate" of 40% for deals completed in 2020, indicating potential risks in future payments and commercialization [6][7] Group 3: Clinical Trials and Regulatory Status - BaiLi Tianheng is conducting over 40 clinical trials in China and the U.S. for its drug izabren, with several trials receiving breakthrough therapy designations from regulatory authorities [5] - The company has also secured a priority review designation for izabren from the National Medical Products Administration in China, enhancing its market prospects [5]

Investment Rating - Industry Rating: Outperform the Market (maintained rating) [5] Core Insights - The 2025 Nobel Prize in Physiology or Medicine was awarded for groundbreaking discoveries in "peripheral immune tolerance," highlighting the development potential of regulatory T cells (Treg) in autoimmune diseases, cancer, and organ transplantation [1][2] - Key research findings include the identification of Treg cells by Shimon Sakaguchi in 1995 and the discovery of the FOXP3 gene's role in Treg development and function by Mary E. Brunkow and Fred Ramsdell in 2001 [2] - The "peripheral immune tolerance" mechanism offers therapeutic avenues for various diseases, including enhancing Treg function for autoimmune diseases, inhibiting Treg activity in cancer to allow immune system attacks on tumors, and improving organ transplant acceptance [3] Summary by Sections - **Therapeutic Development**: Multiple therapies targeting the Treg mechanism are currently undergoing clinical validation, with companies like RegCell and Sonoma Biotherapeutics founded by the awarded scientists focusing on Treg therapies [4] - **Market Opportunities**: Chinese companies such as Cellin Biotech and Bionautics are also entering this field, targeting diseases like amyotrophic lateral sclerosis and rheumatoid arthritis through Treg therapies [4] - **Targeted Therapy Challenges**: The main challenge in Treg-targeted therapies is selectivity, requiring drugs to distinguish between harmful tumor-infiltrating Tregs and beneficial peripheral Tregs [4] - **Investment Recommendations**: Companies to watch include Lixin Pharmaceutical (CCR8 antibody LM-108), Kangyuan Pharmaceutical (CCR8 antibody KYS2301), and others developing CTLA-4 and CCR8 antibodies [5]

Group 1 - Company Innovent Biologics (1541.HK) announced a placement of 24.2 million new H-shares, representing approximately 5.61% of the enlarged share capital, to raise HKD 351 million (USD 45 million) at a price of HKD 14.5 per share, which is a discount of about 12.97% from the previous closing price of HKD 16.66 [3] - The estimated net proceeds of approximately HKD 345 million will be used to fund the research and development of IMM2510 and IMM27M for the treatment of solid tumors, as well as for the development of IMM01 (Tislelizumab) and IMM0306, and to supplement working capital and general corporate purposes [3] - The company has submitted an application to the National Medical Products Administration for a Phase III clinical trial of IMM2510 for the treatment of immune-resistant non-small cell lung cancer (NSCLC) [3] Group 2 - The company's stock opened lower on Thursday, trading at HKD 14.46 at noon, down 13.21%. However, the stock has increased by 180% year-to-date [3]

Core Viewpoint - The company plans to issue a total of 24.2 million new H-shares at a price of HKD 14.50 per share, representing a discount of approximately 12.97% from the closing price of HKD 16.66 on October 8, 2025 [1] Fundraising Details - The total estimated gross proceeds from the placement are approximately HKD 350.9 million, with net proceeds estimated at around HKD 345 million [1] - The net proceeds will be allocated as follows: - Approximately 40% for funding the research and development of IMM2510 and IMM27M for the treatment of solid tumors - Approximately 20% for funding the research and development of IMM01 (Tideglusib) - Approximately 10% for funding the research and development of IMM0306 - Approximately 30% for supplementing the company's working capital and general corporate purposes [1]

Core Viewpoint - The company plans to issue a total of 24.2 million new H-shares at a price of HKD 14.50 per share, representing a discount of approximately 12.97% from the closing price of HKD 16.66 on October 8, 2025 [1] Fundraising Details - The total estimated gross proceeds from the placement are approximately HKD 350.9 million, with net proceeds estimated at around HKD 345 million [1] - The net proceeds will be allocated as follows: - Approximately 40% for funding the research and development of IMM2510 and IMM27M for the treatment of solid tumors - Approximately 20% for funding the research and development of IMM01 (Tideglusib) - Approximately 10% for funding the research and development of IMM0306 - Approximately 30% for supplementing the company's working capital and general corporate purposes [1]

Core Viewpoint - The company, 宜明昂科-B (01541.HK), has announced a placement agreement with Credit Suisse to issue 24.2 million new H-shares at a price of HKD 14.50 per share, representing a discount of approximately 12.97% from the last closing price of HKD 16.66 [1] Group 1: Placement Details - The placement will involve the issuance of 24.2 million new H-shares, which accounts for about 5.94% of the company's total issued share capital and approximately 6.11% of the total issued H-shares as of the announcement date [1] - The estimated total gross proceeds from the placement are approximately HKD 350.9 million, with net proceeds expected to be around HKD 345.1 million [1] Group 2: Use of Proceeds - Approximately 40% of the net proceeds will be allocated to fund the research and development of IMM2510 and IMM27M for the treatment of solid tumors [1] - About 20% of the net proceeds will be used to fund the research and development of IMM01 (Tideglusib) [1] - Approximately 10% will be allocated for the research and development of IMM0306, while around 30% will be used to supplement the company's working capital and for general corporate purposes [1]

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分內容而產生或因 倚賴該等內容而引致的任何損失承擔任何責任。 本公告僅供參考之用，並不構成收購、購買或認購本公司證券的邀請或要約。 本公告及其任何副本概不得直接或間接在美國，或在刊發或派發本公告屬違法的任何其他司 法權區刊發或派發。 本公告並非在美國購買或認購任何證券之要約或招攬，亦不構成其一部分。本公告所述證券 並未且不會根據《1933年美國證券法》（「美國證券法」）登記，亦不會在美國提呈或出售，除非 根據美國證券法作出登記或獲豁免或為毋須根據美國證券法作出登記之交易。本公司無意根 據美國證券法登記本公告內所指之任何證券，或在美國進行證券之公開發售。 ImmuneOnco Biopharmaceuticals (Shanghai) Inc. 宜明昂科生物醫藥技術（上海）股份有限公司 （於中華人民共和國註冊成立的股份有限公司） （股份代號：1541） 根據一般授權配售新H股 獨家整體協調人、配售代理及資本市場中介人 配售事項 董事會欣然宣佈，於2025年10月9日（ ...