**SEI Investments Company Makes Strategic Equity Investment in Graphene** LONDON and OAKS, Pa., 2 Oct. 2025 - SEI Investments Company (NASDAQ: SEIC) has announced a strategic equity investment in Graphene, a U.K.-based Infrastructure-as-a-Service provider serving wealth managers, family offices, and independent financial advisers. The investment, made through SEI Ventures Inc.-SEI's U.S.-based venture capital arm-supports Graphene's growth and aims to expand access to institutional-grade wealth management technology. As part of the partnership, Graphene will adopt the SEI Wealth PlatformSM to offer clients a fully integrated, data-driven infrastructure and faster onboarding. The collaboration is designed to empower wealth managers with scalable, flexible solutions to enhance operational efficiency and client outcomes. Executives from both companies highlighted the benefits of combining SEI's technology and operational expertise with Graphene's secure digital infrastructure, enabling independent firms to scale and innovate more effectively.