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Corporate Headquarters:
White Mountains Insurance Group, Ltd.
A.S. Cooper Building, 26 Reid Street
Hamilton HM 11
Bermuda
Tel: 441-278-3160
Fax: 441-278-3170

Mailing Address:
White Mountains Insurance Group, Ltd.
P.O. Box HM 668
Hamilton HM CX
Bermuda

Registered Office (location of shareholder records):
White Mountains Insurance Group, Ltd.
Clarendon House
2 Church Street
Hamilton HM 11
Bermuda

Principal Executive Office:
White Mountains Insurance Group, Ltd.
80 South Main Street
Hanover, New Hampshire 03755
Tel: 603-640-2200
Fax: 603-643-4592

Investor Inquiries:
White Mountains Insurance Group, Ltd.
200 Hubbard Road
Guilford, Connecticut 06437
Attn: Chief Financial Officer
Tel: 203-458-5807
Fax: 203-453-1349
Email: info@whitemountains.com

 

Shareholder Inquiries:
White Mountains Insurance Group, Ltd.
80 South Main Street
Hanover, New Hampshire 03755
Attn: Corporate Secretary
Tel: 603-640-2200
Fax: 603-643-4592
E-mail: info@whitemountains.com

Transfer Agent and Registrar for Common Shares:
Mailing Address:
Computershare Trust Company, N.A. www.computershare.com
PO Box 505000
Louisville, KY 40233-5000

Private Couriers/Registered Mail:
Computershare Trust Company, N.A.
462 South 4th Street
Suite 1600
Louisville, KY 40202

Telephone Response Center:
Tel: 877-373-6374
Hearing Impaired; TDD: (800) 952-9245

Independent Auditors:
PricewaterhouseCoopers
101 Seaport Boulevard, Suite 500
Boston, MA 02210

Tel: 617-530-5000 

 

 

 

 

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