EXHIBIT 99.1 - ------------------------------------------- W. R. Berkley Corporation NEWS 475 Steamboat Road RELEASE Greenwich, Connecticut 06830 (203) 629-3000 - ------------------------------------------- FOR IMMEDIATE RELEASE CONTACT: Eugene G. Ballard Chief Financial Officer 203-629-3000 W. R. BERKLEY CORPORATION ANNOUNCES 3-FOR-2 STOCK SPLIT AND REGULAR QUARTERLY DIVIDEND Greenwich, CT, August 5, 2003 -- W. R. Berkley Corporation (NYSE: BER) today announced that its Board of Directors has approved a 3-for-2 common stock split to be paid in the form of a stock dividend to holders of record on August 18, 2003. The additional shares are expected to be issued on August 27, 2003. The Directors also declared a regular quarterly cash dividend on the company's post-split common stock of 7 cents per share, to be paid on October 1, 2003 to stockholders of record at the close of business on September 19, 2003. At June 30, 2003 W. R. Berkley Corporation had 55,404,998 shares of common stock outstanding. Founded in 1967, W. R. Berkley Corporation is an insurance holding company which operates in five segments of the property casualty insurance business: specialty insurance, alternative markets, reinsurance, regional property casualty insurance and international. # # #