Gary E. Koslov Joins The PMA Insurance Group as Assistant Vice President, Package/Property Underwriting

BLUE BELL, PA – August 31, 2006 – The PMA Insurance Group is pleased to announce that Gary Koslov has joined the company as Assistant Vice President, Package/Property Underwriting. Mr. Koslov will assist in directing PMA's strategies for the sustained growth and profitability of the package and property lines of business for PMA.

Previously, Mr. Koslov was an Account Executive Officer with The St. Paul Travelers Companies. During his thirteen-year tenure with St. Paul Travelers, he worked in positions of increasing responsibility within the commercial lines underwriting areas. He has over 20 years' experience in the insurance industry, including over 16 years of property underwriting expertise.

"We are very pleased that Gary has joined PMA," said Anthony J. Ciofani, The PMA Insurance Group's Sr. Vice President & Chief Underwriting Officer. "One of PMA's key strategic goals is to round out our workers' compensation accounts with PMA package, property and commercial automobile insurance. Gary's extensive property underwriting expertise and leadership skills will be particularly valuable in assisting PMA in achieving this goal and thereby profitably growing our package and property lines of business."

Mr. Koslov has a Bachelor of Science degree from Lafayette College, Easton, Pennsylvania.

The PMA Insurance Group

The PMA Insurance Group, a multi-lines property & casualty insurer specializing in workers' compensation, is known for service excellence and high levels of customer satisfaction. In addition to workers' compensation, PMA offers commercial automobile, commercial multi-peril, general liability and umbrella insurance. PMA Management Corp., an affiliate of The PMA Insurance Group, offers fee-based third-party administrative services.

The PMA Insurance Group is headquartered in Blue Bell, Pennsylvania. The PMA Insurance Group includes Pennsylvania Manufacturers' Association Insurance Company, Manufacturers Alliance Insurance Company and Pennsylvania Manufacturers Indemnity Company, which are subsidiaries of PMA Capital Corporation (NASDAQ: PMACA).

Editor's Note: Photo Available upon Request