CCC Information Services Inc. Announces Multi-Year Renewal Agreement With OneBeacon Insurance Group

CHICAGO, Dec. 14, 2006 -- CCC Information Services Inc. ("CCCIS") announced that OneBeacon Insurance Group has signed a multi-year agreement to extend access to CCCIS' automated claims tools. OneBeacon is among the top 50 property and casualty insurers in the nation, according to the Ward Group - a national monitor of the American insurance industry - and is rated A (excellent) by A.M. Best.

  OneBeacon utilizes a suite of CCC solutions, including:

  -- CCC Autoverse(R) Claim Management: an in-depth communications solution
     that assists insurance companies with managing the auto physical damage
     claims process from beginning to end. By enabling insurers to
     electronically exchange claim information with their appraisal
     partners, CCC Autoverse helps streamline the claims process and
     ultimately reduces cycle time, so that insurance companies can be more
     responsive to the demands of their customers.

  -- CCC Pathways(R) Appraisal Solution: designed with an integrated
     approach to the claims process. Appraisers can use the Windows(R)-based
     CCC Pathways suite with integrated digital imaging. Through the use of
     EZNet(R), CCC's electronic communications network, insurance companies
     can exchange information quickly and easily with repair facilities or
     field staff.  Another timesaving feature includes the ability to
     simultaneously compare the costs of OEM, aftermarket and recycled
     parts, including related labor costs.

  -- CCC Valuescope(R) Claim Services: a leading set of total loss claims
     settlement services that help decrease claim cycle time, and provides
     fast, accurate, local market value(R) for private passenger, commercial
     and recreational vehicles.

  About CCC

CCC Information Services Inc., headquartered in Chicago, is a leading supplier of advanced software, communications systems, Internet and wireless- enabled technology solutions to the automotive-claims and collision-repair industries. Its technology-based products and services optimize efficiency throughout the entire claims management supply chain and facilitate communication among approximately 22,000 collision-repair facilities, 350 insurance companies, and a range of industry participants. For more information about CCC Information Services Inc., visit our web site at http://www.cccis.com/ or contact John Harris of CCC at 312-229-2693.

About OneBeacon Insurance Group

OneBeacon Insurance Group offers a range of specialty and segmented commercial and personal insurance products sold primarily through select independent agents. As one of the oldest property and casualty insurers in the United States, OneBeacon traces its roots to 1831 and the Potomac Fire Insurance Company. Today, OneBeacon's specialty insurance products are available countrywide, and commercial and personal lines are offered in select geographic territories. OneBeacon's principal business office is in Boston, Massachusetts. The company is publicly traded on the New York Stock Exchange under the symbol "OB".