RenaissanceRe 2025 Sustainability Report A Message From Our CEO About This Report Sustainability Strategy Our Portfolio Our Partnerships Our People Our Operations Our Communities Our Governance Metrics and Performance Looking Ahead Appendix 25 Industry Collaboration Through participation in ClimateWise, we work with peers and partners to promote sustainable underwriting practices that align with the United Nations Environment Programme Finance Initiative Principles for Sustainable Insurance, contributing to the industry's transition toward a more sustainable future. In April 2026, Ian Branagan assumed the role of co-chair of the ClimateWise Insurance Advisory Council. RenaissanceRe has provided leadership to ClimateWise for several years, reflecting our belief that the transition to a resilient insurance sector requires consistent, sustained industry collaboration. Within the RAA, Craig Tillman chairs the Extreme Events Committee, shaping industry research priorities on natural catastrophe risk. This committee plays a direct role in advancing best practices in catastrophe risk modeling, data standards and underwriting across the U.S. market. Initiative 2025 Contribution Insurance Development Forum RenaissanceRe co-chairs the Risk Modelling Steering Group, in addition to supporting the coordination of the Global Risk Modelling Alliance — a consortium of major brokers, reinsurers and development finance institutions to advance open-source modeling, open data standards and risk analytics access in emerging markets. Global Disaster Resilience Vehicle RenaissanceRe has provided peril-model advice to support delivery of sovereign and sub-sovereign resilience solutions. Global Earthquake Model (GEM) As a private sector sponsor, RenaissanceRe holds an advisory board seat. GEM hazard, fragility and exposure datasets are integrated into our underwriting workflows, strengthening our earthquake risk modeling across 14 active public sector projects in 13 countries. The Institutes Catastrophe Resiliency Council RenaissanceRe co-chairs the Catastrophe Resiliency Council, supporting open data standards and promoting interoperability and transparency. Global Exposure Database (Oasis/GEM) Development of a new database improving risk analytics for both public and private stakeholders. Closing the Protection Gap We support partnerships that expand access to insurance and strengthen the tools needed to deliver it. These efforts help expand the reach of risk transfer and deliver practical resilience benefits to communities worldwide. In 2025, highlights included: Ian Branagan SVP, Innovation ClimateWise plays an important role in convening the insurance industry to respond to the increasing risks of climate change through innovative research, robust data collection and practical collaboration. I am proud to co-chair the ClimateWise Insurance Advisory Council and look forward to working alongside our membership in support of a more sustainable future."