Investor FAQ

Q.What is OneBeacon?
A.OneBeacon Insurance Group, Ltd. is a Bermuda-domiciled holding company that is publicly traded on the New York Stock Exchange under the symbol “OB.” OneBeacon’s underwriting companies offer a range of specialty insurance products sold through independent agencies, regional and national brokers, wholesalers and managing general agencies. Our reportable segments are Specialty Products, Specialty Industries, and Investing, Financing and Corporate.

Specialty Products is a collection of niche businesses focused on providing U.S. customers distinct specialty insurance products. Specialty Products includes OneBeacon Healthcare Group, OneBeacon Management Liability, OneBeacon Financial Services, Other Professional Lines (which includes OneBeacon Architects and Engineers), A.W.G. Dewar, OneBeacon Specialty Property, OneBeacon Environmental, OneBeacon Surety Group, and OneBeacon Financial Institutions.

Specialty Industries is a collection of niche businesses providing distinct solutions to targeted industry sectors. Specialty Industries includes OneBeacon Entertainment, International Marine Underwriters, OneBeacon Technology Insurance, OneBeacon Accident & Health, and OneBeacon Government Risks.

We have added, and expect to continue to add, new specialty businesses both organically and through acquisition, guided by our focus on profitable growth while prudently managing underwriting risk.

Q.How many employees does OneBeacon have?
A.As of December 31, 2016, OneBeacon employed approximately 1,100 employees in locations throughout the United States.

Q.Is OneBeacon publicly traded?
A.Yes, OneBeacon is traded on the New York Stock Exchange under the ticker symbol “OB.”

Q.Who is OneBeacon’s transfer agent?
A.Wells Fargo Shareowner Services
1110 Centre Point Curve
Suite 101
Mendota Heights, MN 55120-4100
800-468-9716
www.shareowneronline.com

Q.When are dividends paid?
A.If OneBeacon’s Board of Directors decide and approve a dividend payment, dividends are paid quarterly in March, June, September and December. OneBeacon has paid quarterly dividends of $.21 per share since its initial public offering in 2006 and, from time to time, it has paid special dividends. For more information see “Dividends and Splits” at http://www.onebeacon.com/OneBeacon/pages/investor/divssplits.page?.

Q.Who are OneBeacon’s independent auditors?
A.OneBeacon’s independent auditors are PricewaterhouseCoopers LLP.

Q.When is OneBeacon’s fiscal year end?
A.OneBeacon’s fiscal year ends December 31.

Q.How can I contact OneBeacon’s investor relations department?
A.You may call us at (877) 248-8765 weekdays between the hours of 8:30 a.m. and 5:30 p.m. ET. You may e-mail us at ir@onebeacon.com. You also may write to us at:

Investor Relations
OneBeacon Insurance Group, Ltd.
605 North Highway 169
Suite 800
Plymouth, MN 55441

Q.How can I contact OneBeacon’s Media Relations department?
A.You may call Carmen Duarte at (781) 332-7268 (or email her at cduarte@onebeacon.com).

Q.How can I obtain copies of OneBeacon’s latest SEC filings?
A.You may request hard copies of any of our SEC filings, Annual Reports or other shareholder information by clicking on the following link: http://phx.corporate-ir.net/phoenix.zhtml?c=202299&p=irol-inforeq