UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(D) OF THE

SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): February 22, 2012

TRANSATLANTIC HOLDINGS, INC.

(Exact Name of Registrant as Specified in its Charter)


Delaware	1-10545	13-3355897
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(IRS Employer Identification Number)

80 Pine Street, New York, New York		10005
(Address of Principal Executive Offices)		(Zip Code)

Registrant’s telephone number, including area code: (212) 365-2200

NONE

(Former Name or Former Address, if Changed Since Last Report)

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:

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

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

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

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

Item 8.01

Other Events.

On February 22, 2012, Transatlantic Holdings, Inc. (“Transatlantic”) and Alleghany Corporation (“Alleghany”) issued a joint press release announcing that Transatlantic stockholders that wish to make an election with respect to the consideration to be received in the proposed merger with Alleghany must deliver a properly completed election form to Computershare by 5:00 p.m., New York City time, on March 1, 2012. Subject to regulatory and other customary closing conditions, Alleghany and Transatlantic expect to close the merger on March 6, 2012. A copy of the joint press release is attached to this Current Report on Form 8-K as Exhibit 99.1 and is incorporated herein by reference.

Item 9.01

Financial Statements and Exhibits.

(d)

Exhibits


Exhibit No.		Description

99.1		Press Release dated February 22, 2012.

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 hereunto duly authorized.


	TRANSATLANTIC HOLDINGS, INC.
	(Registrant)

	By:	/s/ Gary A. Schwartz
		Gary A. Schwartz Executive Vice President and General Counsel

Date: February 22, 2012

Exhibit Index


Exhibit No.		Description

99.1		Press Release dated February 22, 2012.

TRANSATLANTIC HOLDINGS INC 8-K