Cogent Biosciences FY Conference Summary Company Overview - **Company**: Cogent Biosciences (NasdaqGS:COGT) - **Lead Asset**: Bezuclastinib, a potent and selective KIT mutant inhibitor - **Focus**: Treatment of gastrointestinal stromal tumors (GIST) and systemic mastocytosis Key Points Industry and Market Opportunity - **Market Size**: The combined annual opportunity for non-advanced systemic mastocytosis and advanced systemic mastocytosis is approximately **$8 billion** [5] - **Competition**: Limited competition exists, primarily from Sanofi's Ayvakit for systemic mastocytosis and no competition in second-line GIST [5][10] - **Second-Line GIST Market**: Expected to be a **$4 billion** market with about **6,000 patients** annually becoming resistant to imatinib [10] Clinical Trials and Regulatory Submissions - **Pivotal Trials**: Three pivotal trials for bezuclastinib were positive in 2025, leading to NDA submissions: - **SUMMIT**: Non-advanced systemic mastocytosis (NDA submitted December 2025) - **PEAK**: GIST (NDA expected in April 2026) - **APEX**: Advanced systemic mastocytosis (NDA to follow PEAK) [2][3] - **Expected Launch**: Anticipated launch in the U.S. in the second half of 2026 for at least the non-advanced systemic mastocytosis indication [3] Financial Position - **Cash Reserves**: Approximately **$900 million** on the balance sheet, providing a cash runway into 2028 [4] - **Profitability Outlook**: Positioned to discuss profitability based on the timing of commercializations [4] Intellectual Property - **Patent Protection**: Strong intellectual property position with protection extending into the mid-2040s, including composition of matter and formulation patents [6][7] Clinical Efficacy - **GIST Trial Results**: - **Median Progression-Free Survival**: **16.5 months** - **Objective Response Rate**: Nearly **50%**, significantly higher than historical drugs [8][9] - **Symptomatic Improvement**: Notable improvements in overall symptoms and mast cell burden in systemic mastocytosis patients [11][12] Commercial Strategy - **Commercial Organization**: Building a team of approximately **100 employees** focused on access and patient community engagement [22][23] - **Expanded Access Program**: Ongoing program to provide access to bezuclastinib for patients, enhancing experience prior to full commercial launch [21] Future Developments - **Pipeline Expansion**: Plans to initiate trials for additional indications, including first-line GIST and combination therapies [18][19] - **New Assets**: Development of a selective JAK2 V617F inhibitor and a pan-KRAS inhibitor, with IND filings expected in 2026 [25][26] Pricing Strategy - **Benchmarking**: Pricing will be informed by existing KIT inhibitors, with current benchmarks around **$41,000 to $46,000** per month [39][40] International Expansion - **Partnerships**: Actively exploring partnerships for commercialization outside the U.S., particularly in Europe and other regions [41][42] Conclusion Cogent Biosciences is positioned for significant growth with its lead asset, bezuclastinib, targeting substantial market opportunities in rare diseases. The company is on track for multiple NDA submissions and a potential launch in 2026, backed by a strong financial position and a robust clinical pipeline.

J.P. Morgan Annual Meeting January 13, 2026 Forward-Looking Statements and Risk Factors This presentation and the accompanying oral commentary contain forward-looking statements that involve risks, uncertainties and assumptions. If the risks or uncertainties ever materialize or the assumptions prove incorrect, our results may differ materially from those expressed or implied by such forward looking statements. All statements other than statements of historical fact could be deemed forward-looking, including ...