Execution Copy ALLEGHANY CORPORATION (A Delaware corporation) 985,000 Shares of 5.75% Mandatory Convertible Preferred Stock PURCHASE AGREEMENT Dated: June 19, 2006 ALLEGHANY CORPORATION (A Delaware corporation) 985,000 Shares of 5.75% Mandatory...Purchase Agreement • June 23rd, 2006 • Alleghany Corp /De • Fire, marine & casualty insurance • New York
