A.M. Best Affirms Ratings of ACMAT Corporation and ACSTAR Insurance Company

Business Wire, May 28, 2009

OLDWICK, N.J. -- A.M. Best Co. has affirmed the issuer credit rating (ICR) of “bbb ” of ACMAT Corporation (ACMAT) (New Britain, CT) [Pink Sheets: ACMTA]. A.M. Best also has affirmed the financial strength rating of A (Excellent) and the ICR of “a ” of ACMAT’s wholly owned subsidiary, ACSTAR Insurance Company (ACSTAR) (Chicago, IL.). The outlook for all ratings is stable.

The rating affirmations reflect ACSTAR’s strong capital position, historically strong operating performance and conservative risk management approach. The company is a provider of surety bonds for general building, specialty trade, environmental remediation and asbestos abatement contractors, as well as for lead abatement contractors and solid waste disposal contractors.

For Best’s Credit Ratings, an overview of the rating process and rating methodologies, please visit www.ambest.com/ratings.

The principal methodologies used in determining these ratings, including any additional methodologies and factors that may have been considered, can be found at www.ambest.com/ratings/methodology.

Founded in 1899, A.M. Best Company is a global full-service credit rating organization dedicated to serving the financial and health care service industries, including insurance companies, banks, hospitals and health care system providers. For more information, visit www.ambest.com.