OCTAVE SPECIALTY GROUP Business Summary

Octave Specialty Group Inc (NYSE: OSG), formerly Ambac Financial Group, operates as a diversified specialty property and casualty insurance platform. The company generates revenue through three primary channels: gross written premiums from its hybrid fronting carrier, Everspan Group; fee-based income from its portfolio of Managing General Agencies (MGAs) within the Octave Partners segment; and minority interest earnings from its incubation arm, Octave Ventures. Its business model focuses on high-margin, niche risks such as cyber, environmental liability, and professional indemnity, leveraging a capital-light distribution strategy. OSG competes directly with specialty insurers and insurance services firms like James River Group Holdings, Tiptree Inc., and MBIA Inc. Within this landscape, OSG positions itself as an agile, technology-driven consolidator of delegated underwriting authority, having successfully pivoted from its legacy financial guarantee roots into a pure-play specialty insurance enterprise. The leadership team is anchored by President and CEO Claude LeBlanc, who joined in 2017 to architect the firm's multi-year strategic transformation; he previously served as CFO and Chief Restructuring Officer at Syncora Holdings Ltd. Supporting him are Executive Vice President and CFO David Trick, a veteran financial officer with over 15 years of tenure at the predecessor firm, and Group COO R. Sharon Smith, who brings extensive legal and strategic expertise from her time at Syncora and Ambac. The company is governed by an independent board led by Chairman Jeffrey S. Stein, a restructuring specialist and founder of Stein Advisors LLC. Notable institutional backing includes significant positions held by The Vanguard Group and BlackRock, reflecting investor confidence in the firm's post-transformation growth trajectory and its 2028 aspirational EBITDA targets.