January 2026 Improving Lives Through Transformative Precision Medicines JPM 2026 | 44th Annual Healthcare Conference NASDAQ: IDYA Safe Harbor Statement Certain statements in this presentation and the accompanying oral commentary are forward-looking statements. These statements relate to future events or the future financial performance of IDEAYA Biosciences, Inc. (the "Company") and involve known and unknown risks, uncertainties and other factors that may cause the actual results, levels of activity, perfor ...

Major Events - Chuangsheng Group-B (06628) announced updated efficacy data for osemitamab triple therapy as a first-line treatment for gastric or gastroesophageal junction adenocarcinoma at ESMO Asia [1] - Strength Development (01277) plans to acquire 100% equity of Taiyuan Shidi for approximately 384 million yuan and acquire Dongzhimen property for a total of 86.33 million yuan [1] - Innovent Biologics (01801) completed a global strategic collaboration with Takeda Pharmaceutical and issued 6.9138 million shares under general authorization [1] - Ascentage Pharma-B (06855) received FDA and EMA approval for global registration of a Phase III clinical trial for Nilotinib as a first-line treatment for Ph+ ALL [1] - Baiao Saitou-B (02315) announced that its business partner IDEAYA received IND approval from the FDA for IDE034 [1] - Jinfang Pharmaceutical-B (02595) initiated a registration clinical trial for GFH375, the world's first oral KRAS G12D inhibitor in a controlled chemotherapy Phase III study [1] - Xixiangfeng Group (02473) signed a business cooperation agreement with Hello Car Rental to develop car rental services in designated cities under a "co-branded store" model [1] - International Commercial Settlement (00147) signed a computer chip sales agreement with Hong Kong Antarctic Light to seize growth opportunities in the IC chip market [1] - CSPC Pharmaceutical Group (01093) received clinical trial approval in the U.S. for a GLP-1/GIP receptor dual agonist injection [1] - MIRXES-B (02629) plans to collaborate with Crystal Technology to build an AI-enabled integrated "diagnosis and treatment" research and industrialization platform [1] - Zhengtong Automobile (01728) intends to invest approximately 816 million yuan to acquire Xiamen Xinda 4S dealership and automotive sales and export business [1] - Guorui Life (00108) plans to acquire 78.3% of Beijing Chunyu Tianxia Software for 269 million yuan [1] - Innovent Biologics (01801) successfully included seven innovative products (including new indications) in the 2025 National Medical Insurance Drug List [1] - Peijia Medical-B (09996) had its registration application for the TaurusNXT® "non-aldehyde cross-linked" transcatheter aortic valve replacement system accepted by the National Medical Products Administration [1] - Fosun Pharma (02196) had new drugs included in the National Medical Insurance Directory and commercial insurance innovative drug directory [1] - Junshi Biosciences (01877) had Tuoyi® new indications and Junshida® included in the National Medical Insurance Directory [1] - Valiant Biotech-B (09887) presented clinical data for LBL-034 at the 67th ASH Annual Meeting [1] - Canfite BioPharma (09926) had all approved indications for five marketed drugs successfully included in the latest National Medical Insurance Drug List [1] - Fuhong Hanlin (02696) had Fuzhuoning® (Citrus Acid Vovizili Capsules) included in the National Medical Insurance Drug List [1] - Green Leaf Pharmaceutical (02186) successfully included five new products in the 2025 National Medical Insurance Drug List or commercial insurance innovative drug directory [1] - Yinnuo Pharmaceutical-B (02591) had its core products included in the National Medical Insurance Drug List [1] Operating Performance - Poly Real Estate Group (00119) reported a contract sales amount of approximately 47.7 billion yuan for the first 11 months, a year-on-year decrease of 8.45% [2] - GAC Group (02238) reported November automobile sales of approximately 179,700 units, a year-on-year decline of 9.72% [2] - Xiehe New Energy (00182) reported an equity power generation of 697.23 GWh in November, a year-on-year increase of 7.77% [2]

Core Viewpoint - The approval of the IND for IDEAYA's dual-target ADC project IDE034 by the FDA marks a significant advancement in the development of innovative cancer therapies, potentially enhancing the company's market position and investor interest [1][2]. Group 1: Company Developments - 百奥赛图-B's stock rose over 3%, reaching 31.86 HKD with a trading volume of 12.99 million HKD following the announcement of FDA IND approval for IDEAYA's IDE034 project [1]. - IDEAYA Biosciences, Inc. plans to initiate patient enrollment for the Phase I clinical trial in Q1 2026, focusing on solid tumors co-expressing B7H3 and PTK7, including lung cancer, colorectal cancer, head and neck cancer, and ovarian/gynecological tumors [1]. Group 2: Clinical Research Insights - Preclinical studies indicate that IDE034 demonstrates deep and durable tumor regression in various B7H3/PTK7 positive tumor models, showcasing strong anti-tumor activity [2]. - IDEAYA intends to explore a combination therapy strategy with its PARG inhibitor IDE161 to enhance the durability of treatment effects, with plans to present additional data on the combined treatment mechanism at a major medical conference in H1 2026 [2]. - The co-expression rates of B7H3/PTK7 in solid tumors are approximately 30% in lung cancer, 46% in colorectal cancer, and 27% in head and neck cancer, indicating broad clinical applicability [2].

Core Viewpoint - The stock of Baiaosaitu-B (02315) has seen an increase of over 3%, currently trading at 31.86 HKD, following the announcement of FDA approval for a clinical trial by its partner IDEAYA Biosciences, Inc. for a novel dual-targeting antibody-drug conjugate project [1][2]. Group 1: Company Developments - IDEAYA Biosciences has received FDA approval for its Investigational New Drug (IND) application to advance the Phase I clinical trial of the B7H3/PTK7 dual-specific antibody-drug conjugate (ADC) [1]. - The patient enrollment for the trial is expected to begin in Q1 2026, focusing on solid tumors co-expressing B7H3 and PTK7, including lung cancer, colorectal cancer, head and neck cancer, and ovarian/gynecological tumors [1][2]. Group 2: Clinical Research Insights - Preclinical studies indicate that IDE034 monotherapy shows deep and durable tumor shrinkage in various B7H3/PTK7 positive tumor models, demonstrating strong anti-tumor activity [2]. - IDEAYA plans to explore a combination treatment strategy of IDE034 with its PARG inhibitor IDE161 to enhance the durability of efficacy, with data supporting the combination treatment mechanism to be shared at a major medical conference in H1 2026 [2]. - The co-expression rates of B7H3/PTK7 in solid tumors are approximately 30% for lung cancer, 46% for colorectal cancer, and 27% for head and neck cancer, indicating broad clinical applicability [2].

Core Insights - IDEAYA Biosciences has received IND approval from the FDA for its first-in-class B7H3/PTK7 bispecific antibody-drug conjugate (ADC) project, IDE034, marking a significant milestone in its clinical development [1][2] Group 1: Clinical Development - The Phase I clinical trial for IDE034 is expected to begin patient enrollment in Q1 2026, targeting solid tumors co-expressing B7H3 and PTK7, including lung cancer, colorectal cancer, head and neck cancer, and ovarian/gynecological tumors [1] - Preclinical studies have shown that IDE034 monotherapy exhibits deep and durable tumor shrinkage in various B7H3/PTK7 positive tumor models, indicating strong anti-tumor activity [2] Group 2: Technological Advancements - The IND approval validates IDEAYA's RenLite platform and proprietary linker-payload technology, showcasing its leading capabilities in the discovery and optimization of bispecific ADCs [2] - The company plans to explore combination therapy strategies with its PARG inhibitor, IDE161, to enhance the durability of treatment effects [2] Group 3: Market Potential - The co-expression rates of B7H3 and PTK7 in solid tumors are approximately 30% in lung cancer, 46% in colorectal cancer, and 27% in head and neck cancer, highlighting the broad clinical applicability of IDE034 [2] - The company aims to provide high-quality source molecules to partners and actively seek external licensing opportunities for early-stage assets [2]

Core Viewpoint - IDEAYA Biosciences has received IND approval from the FDA for its dual-target B7H3/PTK7 ADC project, IDE034, marking a significant milestone in its collaboration with 百奥赛图-B [1][2] Group 1: Clinical Development - IDEAYA plans to initiate patient enrollment for the Phase I clinical trial of IDE034 in Q1 2026, targeting solid tumors co-expressing B7H3 and PTK7, including lung cancer, colorectal cancer, head and neck cancer, and ovarian/gynecological tumors [1] - The IND approval signifies a crucial step in advancing the clinical development of IDE034, showcasing the company's technical strength in the dual-antibody ADC discovery and development field [1][2] Group 2: Research and Development Progress - The approval of IDE034's IND represents an important R&D advancement for IDEAYA, validating its RenLite® platform and proprietary linker-payload technology in the discovery and optimization of dual-antibody ADCs [2] - Preclinical studies indicate that IDE034 demonstrates deep and durable tumor shrinkage in various B7H3/PTK7 positive tumor models, highlighting its strong anti-tumor activity [2] Group 3: Future Plans and Collaborations - IDEAYA intends to explore combination therapy strategies with its PARG inhibitor IDE161 to enhance the durability of treatment effects, with plans to present supporting data at major medical conferences in the first half of 2026 [2] - The co-expression rates of B7H3 and PTK7 in lung cancer, colorectal cancer, and head and neck cancer are approximately 30%, 46%, and 27%, respectively, indicating the broad clinical applicability of IDE034 [2] - The company aims to provide high-quality source molecules to partners and actively seek external licensing opportunities for early-stage potential assets [2]

Core Insights - IDEAYA Biosciences has received IND approval from the FDA for its first-in-class B7H3/PTK7 bispecific antibody-drug conjugate (ADC) project, IDE034, marking a significant milestone in its collaboration with 百奥赛图-B [1][2] - The clinical trial for IDE034 is expected to begin patient enrollment in Q1 2026, targeting solid tumors co-expressing B7H3 and PTK7, including lung cancer, colorectal cancer, head and neck cancer, and ovarian/gynecological tumors [1][2] Group 1 - The IND approval represents an important advancement in IDEAYA's strategy to expand its first-in-class TOP1 ADC pipeline into bispecific, precision-targeted therapies [2] - The approval validates the company's RenLite® platform and proprietary linker-payload technology in the discovery and optimization of bispecific ADCs [2] - IDE034 has shown deep and durable tumor shrinkage in various B7H3/PTK7 positive tumor models, indicating strong anti-tumor activity [2] Group 2 - IDEAYA plans to explore combination therapy strategies with its PARG inhibitor IDE161 to enhance the durability of treatment effects [2] - The company intends to present more data supporting the combination treatment mechanism of PARG and TOP1 ADC at major medical conferences in the first half of 2026 [2] - The co-expression rates of B7H3 and PTK7 in solid tumors such as lung cancer, colorectal cancer, and head and neck cancer are approximately 30%, 46%, and 27%, respectively, highlighting the broad clinical applicability of IDE034 [2] Group 3 - The company aims to provide high-quality source molecules to partners under its "千鼠万抗" initiative, facilitating the clinical translation of licensed projects [2] - IDEAYA is actively exploring additional external licensing opportunities for early-stage potential assets [2]

Core Insights - Biocytogen's partner IDEAYA Biosciences has received FDA IND clearance for IDE034, a bispecific antibody-drug conjugate targeting B7H3 and PTK7, marking a significant milestone in its clinical development [1][2][3] Group 1: Product Development - IDE034 is a bispecific B7H3/PTK7 TOP1 ADC, independently developed by Biocytogen and licensed to IDEAYA in July 2024 [2] - The IND clearance allows IDEAYA to initiate a Phase 1 clinical trial, with patient enrollment expected to begin in Q1 2026, focusing on solid tumors expressing B7H3 and PTK7 [1][3] - Preclinical studies indicate that IDE034 monotherapy shows strong anti-tumor activity, inducing deep and durable tumor regressions in multiple tumor models [3] Group 2: Clinical Strategy - IDEAYA plans to explore combination strategies with its PARG inhibitor IDE161 to enhance the durability of response, with additional preclinical data to be presented at a major medical conference in H1 2026 [3] - B7H3 and PTK7 are co-expressed in various cancers, with expression rates of approximately 30% in lung, 46% in colorectal, and 27% in head and neck cancers, indicating broad clinical potential for IDE034 [3] Group 3: Company Capabilities - The IND clearance validates Biocytogen's RenLite platform and proprietary linker-payload technologies, showcasing its capabilities in bispecific ADC discovery and development [2][3] - Biocytogen continues to provide high-quality source antibodies through its RenBiologics platform to support clinical translation and is actively seeking additional early-stage assets for licensing opportunities [4]

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而產生或因依 賴該等內容而引致的任何損失承擔任何責任。 BIOCYTOGEN PHARMACEUTICALS (BEIJING) CO., LTD. 百奧賽圖（北京）醫藥科技股份有限公司 （股份代號：2315） （於中華人民共和國註冊成立的股份有限公司） 自願性公告 業務合作夥伴IDEAYA取得美國食品藥品 監督管理局對IDE034的IND批准 百奧賽圖（北京）醫藥科技股份有限公司（以下簡稱「本公司」）欣然宣佈，其合 作夥伴IDEAYA Biosciences, Inc. (Nasdaq: IDYA)（「IDEAYA」），一家專注於腫 瘤精準治療藥物研發的公司，已獲得美國食品藥品監督管理局的臨床試驗用新 藥（「IND」）批准，推進同類首創B7H3/PTK7雙特異性抗體偶聯物（「ADC」）項目 IDE034的I期臨床試驗。IDEAYA預計將在2026年第一季度開始患者入組，初步 評估B7H3和PTK7共表達的實體瘤類型，包括肺癌、結直腸癌、頭頸癌及卵巢╱ 婦科 ...

Core Insights - IDEAYA Biosciences has received FDA clearance for an IND application to initiate a Phase 1 clinical trial for IDE034, a bispecific B7H3/PTK7 TOP1 antibody-drug conjugate, expected to start patient enrollment in Q1 2026 [1][2] - The drug targets solid tumors expressing B7H3 and PTK7, with co-expression rates in lung, colorectal, and head and neck cancers reported at approximately 30%, 46%, and 27% respectively [1][5] - IDE034 has shown strong anti-tumor activity in preclinical studies, supporting its advancement into clinical development [3][5] Company Overview - IDEAYA Biosciences focuses on precision medicine in oncology, aiming to develop targeted therapies that are aligned with the genetic drivers of cancer [4] - The company has a robust pipeline of product candidates, particularly in synthetic lethality and antibody-drug conjugates for molecularly defined solid tumor indications [4] Clinical Development Strategy - The company is advancing a differentiated clinical strategy with three potentially first-in-class clinical-stage programs aimed at enhancing the efficacy of TOP1 ADCs through a PARG DDR combination mechanism [2][3] - Preclinical studies suggest that combining IDE034 with IDE161, a PARG inhibitor, may enhance anti-tumor activity in patients with solid tumors co-expressing B7H3 and PTK7 [3][5]