Plotted by close date where disclosed, otherwise announcement. Select any marker to jump to the deal entry.
Three patterns run through Old Republic International's acquisitions — what it looks for, how it pays, and how it folds in what it buys.
3 acquisitions — each with the deal value, financing structure, target revenue, and executive commentary where disclosed.
Old Republic, through subsidiary Old Republic Insurance Company, bought Aon's Construction Program Group division — including policy renewal rights, related assets, and the in-force portfolio written through Virginia Surety Company — to expand its specialty commercial construction insurance book.
The purchase price was $85 million in cash. The acquisition closed on November 30, 2006.
All-stock merger (0.55 ORI shares per PMA share) that added PMA's workers' compensation and commercial specialty insurance operations, deepening Old Republic's general-insurance segment; PMA continued operating as 'the PMA Companies' from Blue Bell, PA.
The transaction therefore attributes a total enterprise value for PMA of approximately $365 million, consisting of $228 million for PMA common shares and $137 million for its debt.
Sponsored mutual-to-stock conversion completed July 1, 2026: ECM members approved converting the mutual insurer to a stock company (ECM Insurance Company) and its acquisition by Old Republic, adding ECM's commercial agricultural / farm insurance franchise. No traditional purchase price was disclosed; Old Republic delivered up to ~956,000 of its shares and raised ~$25 million via a subscription offering to ECM members.
Old Republic received subscriptions of approximately $25 million... upon the filing of ECM’s amended and restated articles of incorporation... on July 1, 2026, Old Republic will deliver up to approximately 956 thousand shares of its common stock... and complete its acquisition of the ECM Group.