UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

 

FORM 8-K

 

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

 

February 2, 2007

Date of Report (Date of earliest event reported)

 

WHITE MOUNTAINS INSURANCE GROUP, LTD.

(Exact name of registrant as specified in its charter)

Bermuda

 

1-8993

 

94-2708455

(State or other jurisdiction of
incorporation or organization)

 

(Commission file number)

 

(I.R.S. Employer
Identification No.)

 

80 South Main Street, Hanover, New Hampshire 03755

(Address of principal executive offices)

 

(603) 640-2200

(Registrant’s telephone number, including area code)

 

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o            Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o            Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o            Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o            Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

 

 




 

ITEM 7.01.  REGULATION FD DISCLOSURE.

On February 2, 2007, White Mountains Insurance Group, Ltd. (“White Mountains”) posted a letter to White Mountains’ shareholders on its website from retired Chairman John J. Byrne.  Mr. Byrne’s letter is furnished herewith as Exhibit 99(a) and is incorporated by reference in its entirety.

ITEM 9.01.  FINANCIAL STATEMENTS AND EXHIBITS.

(d) Exhibits

99 (a)      Letter to shareholders from White Mountains’ retired Chairman, John J. Byrne.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

 

WHITE MOUNTAINS INSURANCE GROUP, LTD.

 

 

 

DATED: February 2, 2007

 

By:

 

/s/  J. BRIAN PALMER

 

 

 

 

J. Brian Palmer

 

 

 

 

Chief Accounting Officer

 

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