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PMA Capital Corporation To Join Nasdaq Financial-100 Index Beginning July 17, 2000

Date 10/07/2000

PMA Capital Corporation (Nasdaq: PMACA), of Philadelphia, Pennsylvania, will become a component of the Nasdaq Financial-100 Index®, effective at the beginning of trading Monday, July 17, 2000. PMACA will replace National Bancorp of Alaska, Inc., which is being acquired.

With a market capitalization of $409.2 million, PMA Capital Corporation is an insurance holding company, whose operating subsidiaries provide specialty risk management products and services to customers throughout the United States. The primary product lines of PMA Capital's subsidiaries include: 1) property and casualty reinsurance; 2) managed care workers' compensation, integrated disability, and other commercial property and casualty lines of insurance in the Mid-Atlantic and Southern regions of the United States; and 3) excess and surplus lines coverages.

The Nasdaq Stock Market lists nearly 5,000 companies, has the largest dollar volume of trades of any financial market, and trades more shares per day than any other U.S. market. Its current market capitalization is more than $5 trillion. Nasdaq is a subsidiary of the National Association of Securities Dealers, Inc. (NASD®), the largest securities-industry, self-regulatory organization in the United States. For more information about Nasdaq, visit the Nasdaq Web site at www.nasdaq.com or the Nasdaq NewsroomSM at www.nasdaqnews.com.