Mitsui Sumitomo Acquires 12.5% Stake in W. R. Berkley Corporation

W. R. Berkley Corporation, a major U.S. commercial lines insurance writer, announced that Mitsui Sumitomo Insurance Co., Ltd. (MSI), a leading Japanese property and casualty insurer, has acquired at least 12.5% ownership in Berkley's outstanding common stock through agreements with the Berkley family and associated trusts. The shares obtained by MSI were not purchased directly from Berkley or the Berkley family. MSI's voting rights are to be aligned primarily with the Berkley family's recommendations, except in certain instances where votes will be proportional to non-MSI shareholders. This strategic investment is expected to be completed by the first quarter of 2026, reflecting growing international investment interest in U.S. property and casualty insurers. W. R. Berkley Corporation operates both insurance and reinsurance businesses globally, focusing on commercial lines of property casualty coverage. The acquisition emphasizes cross-border partnerships and highlights evolving shareholder structures within the U.S. insurance sector, which may influence corporate governance and strategic directions. Further details on the agreements are publicly available via the company's SEC filings and investor relations information, providing transparency to market participants and regulators.