James River (JRVR) - 2025 Q4 - Annual Results

Exhibit 99.1 The Company closed the sale of JRG Reinsurance Company Ltd. on April 16, 2024. As a result, the full financials for our former Casualty Reinsurance segment have been classified to discontinued operations for all periods. 1 Adjusted net operating income (loss), tangible common equity per share, adjusted net operating return on tangible common equity and underwriting profit are non-GAAP financial measures. See "Non-GAAP Financial Measures" and "Reconciliation of Non-GAAP Financial Measures" at th ...