OLDWICK, N.J.--(BUSINESS WIRE)-- A.M. Best Co. has withdrawn the financial strength rating of A (Excellent) and issuer credit ratings of “a” of AutoOne Select Insurance Company(AutoOne Select) and AutoOne Insurance Company(AutoOne) (both domiciled in New York, NY).

These actions reflect the February 22, 2012 acquisition of AutoOne and AutoOne Select by Interboro Holdings Inc.(Interboro) from OneBeacon Insurance Group, Ltd. Currently, Interboro is not a participant in A.M. Best’s interactive ratings analysis.

Prior to the acquisition, AutoOne and AutoOne Select served the automobile assigned risk markets primarily in New York and New Jersey.

The methodology used in determining these ratings is Best’s Credit Rating Methodology, which provides a comprehensive explanation of A.M. Best’s rating process and contains the different rating criteria employed in the rating process. Best’s Credit Rating Methodology can be found at www.ambest.com/ratings/methodology.

Founded in 1899, A.M. Best Company is the world's oldest and most authoritative insurance rating and information source. For more information, visitwww.ambest.com.

Copyright © 2012 by A.M. Best Company, Inc.ALL RIGHTS RESERVED.

A.M. Best Co.
Brian O’Larte, 908-439-2200, ext. 5138
Senior Financial Analyst
brian.olarte@ambest.com
or
Jennifer Marshall, 908-439-2200, ext. 5327
Managing Senior Financial Analyst
jennifer.marshall@ambest.com
or
Rachelle Morrow, 908-439-2200, ext. 5378
Senior Manager, Public Relations
rachelle.morrow@ambest.com
or
Jim Peavy, 908-439-2200, ext. 5644
Assistant Vice President, Public Relations
james.peavy@ambest.com

Source: A.M. Best Co.