Item 7.01. Regulation FD Disclosure

On December 20, 2012, Allied World Assurance Company Holdings, AG issued a press release announcing the catastrophe-related losses and loss expenses that it expects to record in the fourth quarter of 2012 in connection with Superstorm Sandy.

The press release is furnished herewith as Exhibit 99.1. The information hereunder is not deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), is not otherwise subject to the liabilities of that section and is not incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits




                Exhibit
                Number    Description

                99.1      Press release, dated December 20, 2012.




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