Dear H Shareholder, September 26, 2025 Pharmaron Beijing Co., Ltd. 康龍化成（北京）新藥技術股份有限公司 (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：3759) NOTIFICATION LETTER 通知信函 本公司本次公司通訊的中文版本已上載於本公司的網站 www.pharmaron.cn 和香港聯合交易所有限公司的網站 www.hkexnews.hk（「聯交所網站」）。 或 (如適用)現按 閣下要求附上本次公司通訊之印刷本。 閣下可於本公司網站或在聯交所網站瀏覽有關文件。 Pharmaron Beijing Co., Ltd. (the "Company") – Notification of publication of 2025 Interim Report (the "Current Corporate Commu ...

康 龍 化 成（ 北 京 ）新 藥 技 術 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：3759 2025 中期報告 生命科學行業 的領先研發服務提供商 康龍化成（股票代碼：300759.SZ/3759.HK）是國際領先的生命科 學研發服務企業。自 2004 年成立以來，康龍化成一直致力於其人 才培養和設施建設，為包括小分子、大分子和細胞與基因治療藥 物在內的多療法藥物研發打造了一個貫穿藥物發現、臨床前及臨 床開發全流程的研發生產服務體系。康龍化成在中國、美國、英 國均開展運營，擁有超過 22,000 名員工，向北美、歐洲、日本和 中國的合作夥伴提供研發解決方案並與之保持良好的合作關係。 關於 康龍化成 目 | | 2 | 公司資料 | | --- | --- | --- | | 錄 | 4 | 財務業績摘要 | | | 5 | 管理層討論與分析 | | | 38 | 補充資料 | | | 58 | 中期簡明綜合損益表 | | | 59 | 中期簡明綜合全面收益表 | | | 60 | 中期簡明綜合財務狀況表 | | | 62 | 中期簡明綜合權益變動表 | | | 64 | ...

Investment Rating - The report gives a "Buy" rating for the company, 康龙化成, for the first time [1][9]. Core Views - 康龙化成 is positioned as a leading global drug research and development enterprise with a comprehensive, integrated, international, and multi-therapy approach. The company is expected to experience significant growth across its various service segments, including laboratory services, small molecule CDMO, clinical CRO, and large molecule and cell gene therapy services [6][8][9]. Financial Summary - Total revenue projections for 康龙化成 are as follows: - 2024: 12,276 million CNY - 2025: 13,816 million CNY - 2026: 15,688 million CNY - 2027: 17,879 million CNY - The expected growth rates are 6.4% for 2024, 12.5% for 2025, 13.5% for 2026, and 14.0% for 2027 [2]. - Net profit attributable to shareholders is projected to be: - 2024: 1,793 million CNY - 2025: 1,689 million CNY - 2026: 1,959 million CNY - 2027: 2,257 million CNY - The expected growth rates for net profit are 12.0% for 2024, -5.8% for 2025, 15.9% for 2026, and 15.2% for 2027 [2]. Business Segments Laboratory Services - Laboratory services are the most competitive segment for 康龙化成, contributing significantly to revenue and profit. In 2024, this segment is expected to generate revenue of 70.47 billion CNY, accounting for 57.4% of total revenue [23]. - The segment has shown a compound annual growth rate (CAGR) of 24.25% in revenue from 2015 to 2024 [23][26]. CMC (Small Molecule CDMO) Services - The CMC segment is entering a commercialization phase, with revenue expected to reach 29.89 billion CNY in 2024, representing 24% of total revenue [45]. - The company has established four FDA-approved production bases in China, the UK, and the US, enhancing its capacity for global clients [49][53]. Clinical CRO Services - The clinical CRO segment is expected to generate revenue of 18.26 billion CNY in 2024, accounting for 14.87% of total revenue [63]. - The company has built a comprehensive clinical CRO service platform across China, the US, and the UK, which is anticipated to enhance efficiency and profitability [66]. Large Molecule and Cell Gene Therapy Services - The company is rapidly advancing in large molecule and cell gene therapy services, with expectations of approximately 10% revenue growth over the next three years [6][20]. Valuation and Price Target - The target price for 康龙化成 is set at 47.73 CNY based on a 40x PE ratio for 2026 adjusted net profit. The corresponding target price for the Hong Kong market is 39.34 HKD based on a 30x PE ratio [2][9].

Core Viewpoint - 康龙化成 is benefiting from the CRO concept, innovative drugs, smart healthcare, and the depreciation of the RMB, with a focus on digital transformation in clinical services through AI technology [2][3]. Company Overview - 康龙化成 (Beijing) New Drug Technology Co., Ltd. specializes in integrated drug research, development, and production services, covering the entire process from drug discovery to development [2][7]. - The company's main revenue sources include laboratory services (60.43%), CMC (small molecule CDMO) services (21.58%), clinical research services (14.58%), and other services [7]. Financial Performance - For the first half of 2025, 康龙化成 achieved revenue of 6.441 billion yuan, a year-on-year increase of 14.93%, while net profit attributable to shareholders decreased by 37% to 701 million yuan [8]. - As of June 30, 2025, overseas revenue accounted for 84.95% of total revenue, benefiting from the depreciation of the RMB [3]. Market Activity - On September 25, 康龙化成's stock rose by 0.96%, with a trading volume of 1.288 billion yuan and a market capitalization of 61.526 billion yuan [1]. - The stock has shown no significant trend in major capital inflows, with a net inflow of 41.526 million yuan on the day [4][5]. Strategic Initiatives - The establishment of a "Digital Innovation Technology Department" aims to enhance digital transformation in clinical research services, leveraging AI and automation to improve efficiency and reduce costs [3]. - The acquisition of Shanghai Jiying is expected to further advance the company's digital transformation in clinical services [2].

Core Viewpoint - 康龙化成 is experiencing growth in its integrated drug research and development services, benefiting from the depreciation of the RMB and advancements in AI technology [2][3]. Company Overview - 康龙化成 (Beijing) New Drug Technology Co., Ltd. specializes in comprehensive drug research, development, and production services, including laboratory chemistry, biological science services, and clinical research [2][7]. - The company was established on July 1, 2004, and went public on January 28, 2019 [7]. Financial Performance - For the first half of 2025, 康龙化成 reported revenue of 6.441 billion yuan, a year-on-year increase of 14.93%, while net profit attributable to shareholders decreased by 37% to 701 million yuan [8]. - As of June 30, 2025, overseas revenue accounted for 84.95% of total revenue, benefiting from the depreciation of the RMB [3][8]. Business Segments - The revenue composition of 康龙化成 includes: laboratory services (60.43%), CMC (small molecule CDMO) services (21.58%), clinical research services (14.58%), and large molecule and cell & gene therapy services (3.28%) [7]. - The company is a leader in the CRM sector, providing full-process CRMO solutions for drug discovery and development, focusing on small molecule drug research [2]. Digital Transformation - 康龙化成 has made significant progress in digital and intelligent construction within its clinical services, establishing a "Digital Innovation Technology Department" to enhance efficiency through AI and automation [3]. Market Activity - On September 24, 康龙化成's stock rose by 0.59%, with a trading volume of 1.033 billion yuan and a market capitalization of 60.939 billion yuan [1]. - The stock has seen a net outflow of 28.83 million yuan from major investors, indicating a reduction in holdings over the past three days [4][5]. Shareholder Information - As of June 30, 2025, 康龙化成 had 87,900 shareholders, with a 10.12% increase compared to the previous period [8]. - Major shareholders include 中欧医疗健康混合A and 香港中央结算有限公司, with varying changes in their holdings [9].

Core Viewpoint - The investigation report on a safety incident at Kanglong Chemical, a leading CRO in China, reveals that two employees died due to asphyxiation during a production operation, highlighting significant management failures and safety protocol violations [2][3][4]. Company Overview - Kanglong Chemical (SZ300759) is a prominent CRO providing comprehensive R&D services to pharmaceutical companies, with a current stock price of 35.25 yuan and a market capitalization of 62.681 billion yuan [2]. Incident Details - The incident occurred on June 3, resulting in the deaths of two night shift operators during the crystallization experiment of a new drug, DP818. The accident was classified as a general production safety incident due to violations of operational protocols [2][3][4]. - The specific operation involved 248 steps, with the incident occurring during step 193, where operators were required to monitor and record temperatures [3]. Investigation Findings - The investigation identified that the operators failed to use an oxygen content detection device while releasing nitrogen gas, leading to their asphyxiation. The report indicated multiple management failures, including inadequate safety training and lack of adherence to safety protocols [4][5]. - The company’s management, including the COO, faces penalties, with suggested fines ranging from 20% to 50% of their annual salaries [5]. Financial Implications - Kanglong Chemical may face fines between 300,000 to 1 million yuan, which is relatively minor compared to its 2024 projected revenue of 12.276 billion yuan and net profit of 1.793 billion yuan [5]. Disclosure Obligations - The incident does not fall under mandatory disclosure requirements for listed companies as it is classified as a general accident. However, the company may still have obligations to disclose the incident if it significantly impacts financial performance or reputation [6].

Core Viewpoint - The recent safety incident at Kanglong Chemical resulted in the death of two employees due to violations of safety protocols, leading to significant penalties for the company and its responsible personnel [1][2][3]. Group 1: Incident Details - The direct cause of the incident was identified as the negligence of two production operators who failed to follow safety procedures while operating within a flexible isolator [2]. - Indirect causes included inadequate enforcement of safety regulations and insufficient safety training for the involved employees [2]. - The company and ten related personnel face fines, with recommendations for Kanglong Chemical to strengthen safety awareness and conduct thorough inspections [2][3]. Group 2: Company Performance - Kanglong Chemical is a comprehensive pharmaceutical research and development service platform, listed on both A-shares and Hong Kong stocks [7]. - Despite a stock price increase of over 30% this year, the current share price of 34.88 yuan is significantly lower than its peak of 107.91 yuan [7]. - Revenue growth has been slowing down, with year-on-year increases of 45%, 37.92%, 12.39%, and 6.39% projected from 2021 to 2024 [7]. - In the first half of this year, the company reported revenue of 6.441 billion yuan, a year-on-year increase of 14.93%, but net profit attributable to shareholders decreased by 37% due to last year's significant investment gains [7]. Group 3: Market Analysis - According to research from Dongfang Securities, the core business segments of Kanglong Chemical, particularly laboratory services and CMC services, showed strong growth [8]. - Clinical research services experienced a slight decline in gross margin due to increased competition, but margins are expected to improve as project numbers and revenue scale increase [8]. - New business areas such as large molecules and cell and gene therapy are still in the early stages of development, facing short-term profit pressures [8].

Core Viewpoint - The report reveals a fatal accident at Kanglong Chemical (康龙化成), where two employees died due to asphyxiation caused by nitrogen gas in a flexible isolator during a night shift on June 3, 2023. The company failed to disclose this incident in a timely manner, citing it did not meet disclosure standards [4][5][6]. Group 1: Accident Details - The accident occurred in the purification room of Kanglong Chemical's facility in Beijing Economic-Technological Development Area [4]. - The two deceased employees had 6 and 8 years of experience, respectively, and were performing routine tasks when the incident happened [4][5]. - The direct cause of death was identified as a significant drop in oxygen levels due to nitrogen gas being introduced into the flexible isolator without proper safety measures [5][6]. Group 2: Investigation Findings - The investigation concluded that the accident was a result of non-compliance with safety protocols, specifically the failure to use gloves while operating within the flexible isolator [6]. - Indirect causes included inadequate enforcement of safety regulations and insufficient safety training for the employees involved [6]. - The investigation team recommended penalties for 10 management personnel at Kanglong Chemical, including fines based on their annual salaries [6]. Group 3: Company Performance - In the first half of 2025, Kanglong Chemical reported revenue of 6.441 billion yuan, a year-on-year increase of 14.93% [7]. - The net profit attributable to shareholders decreased by 37% to 701 million yuan, while the net profit excluding non-recurring items increased by 36.66% to 637 million yuan [7].

Core Viewpoint - The safety incident at Kanglong Chemical, a leading CXO company, highlights significant management and safety protocol failures within the rapidly expanding industry, raising concerns about employee safety amidst growth [1][10][12]. Company Summary - Kanglong Chemical (300759.SZ, 03759.HK) is a major player in the CXO industry, providing comprehensive services from drug discovery to commercial production, with over 20,000 employees [1][10]. - In 2024, the company achieved a total revenue of 12.276 billion yuan, a year-on-year increase of 6.39%, and a net profit of 1.793 billion yuan, up 12.01% [1]. - The company signed new orders that grew over 20% year-on-year, indicating ongoing business expansion [10]. Incident Details - The incident occurred on June 3, when two operators, Guo and Jing, entered a nitrogen-filled flexible isolator without proper safety measures, leading to their suffocation due to lack of oxygen [2][5][6]. - The investigation revealed that the operators violated safety protocols by not using an oxygen detection device before entering the isolator [6][9]. - The accident was classified as a general production safety incident due to non-compliance with operational procedures, resulting in recommendations for fines between 300,000 and 1 million yuan and penalties for 11 responsible personnel [1][10]. Industry Context - The CXO industry is experiencing rapid growth, with global markets for drug discovery CRO, clinical CRO, and CDMO expected to reach 35.9 billion, 81.8 billion, and 157.3 billion USD respectively by 2027, with compound annual growth rates of 14.8%, 8.4%, and 16.0% [11]. - The rapid expansion of the industry has led to increased safety risks, as companies often handle multiple projects simultaneously, which can compromise safety management [11][12]. - Historical data indicates that from 1999 to 2019, 63% of safety incidents in domestic pharmaceutical companies were explosion-related, primarily due to human error and inadequate safety training [11].

Group 1 - The incident at Kanglong Chemical resulted in the death of two employees due to negligence in following safety protocols during laboratory operations [1][2] - The investigation revealed that the company failed to enforce safety production responsibilities and regulations effectively, leading to the accident [1] - Ten management personnel from Kanglong Chemical are facing fines of 20% to 50% of their annual income for violating the Production Safety Law of the People's Republic of China [2] Group 2 - The investigation committee recommended a fine of between 300,000 to 1,000,000 yuan for Kanglong Chemical as a consequence of the incident [3]