U.S. Securities and Exchange Commission

Washington, D.C. 20549

FORM F-N

APPOINTMENT OF AGENT FOR SERVICE OF PROCESS BY FOREIGN BANKS
AND FOREIGN INSURANCE COMPANIES AND CERTAIN OF THEIR HOLDING
COMPANIES AND FINANCE SUBSIDIARIES MAKING PUBLIC OFFERINGS OF
SECURITIES IN THE UNITED STATES

A.		Name of issuer or person filing (“Filer”): Platinum Underwriters Holdings, Ltd.
B.		This is (select one):
		þ		an original filing for the Filer
		o		an amended filing for the Filer
C.		Identify the filing in conjunction with which this Form is being filed: S-4
		Name of registrant: Platinum Underwriters Holdings, Ltd.
		Form type: S-4
		File Number (if known) No. 333-128967
		Filed by: Platinum Underwriters Holdings, Ltd.
		Date Filed (if filed concurrently, so indicate): October 12, 2005
D.		The Filer is incorporated or organized under the laws of (Name of the jurisdiction under whose laws the filer is organized or incorporated)
		Bermuda
		and has its principal place of business at (Address in full and telephone number)
		The Belvedere Building, 69 Pitts Bay Road, Pembroke, Bermuda HM 08 telephone number: (441) 295-7195

E.		The Filer designates and appoints (Name of United States person serving as agent)
		CT CORPORATION SYSTEM (“Agent”) located at 111 Eighth Avenue, New York, New York 10011, (212) 894-8940 as the agent of the Filer upon whom may be served any process, pleadings, subpoenas, or other papers in:
		(a)		any investigation or administrative proceeding conducted by the Securities and Exchange Commission, and
		(b)		any civil suit or action brought against the Filer or to which the Filer has been joined as defendant or respondent in any appropriate court in any place subject to the jurisdiction of any state or of the United States or any of its territories or possessions or of the District of Columbia, arising out of or based on any offering made or purported to be made in connection with the securities registered by the Filer on Form S-4 filed on October 12, 2005 or any purchases or sales of any security in connection therewith. The Filer stipulates and agrees that any such civil suit or action or administrative proceeding may be commenced by the service of process upon, and that service of an administrative subpoena shall be effected by service upon, such agent for service of process, and that the service as aforesaid shall be taken and held in all courts and administrative tribunals to be valid and binding as if personal service thereof had been made.
F.		Each person filing this Form stipulates and agrees to appoint a successor agent for service of process and file an amended Form F-N if the Filer discharges the Agent or the Agent is unwilling or unable to accept service on behalf of the Filer at any time until six years have elapsed from the date of the Filer’s last registration statement or report, or amendment to any such registration statement or report, filed with the Commission under the Securities Act of 1933 or Securities Exchange Act of 1934. Filer further undertakes to advise the Commission promptly of any change to the Agent’s name or address during the applicable period by amendment of this form referencing the file number of the relevant registration form in conjunction with which the amendment is being filed.

G.		Each person filing this form undertakes to make available, in person or by telephone, representatives to respond to inquiries made by the Commission staff, and to furnish promptly, when requested to do so by the Commission staff, information relating to the securities registered pursuant to the form referenced in paragraph E or transactions in said securities.
		The Filer certifies that it has duly caused this power of attorney, consent, stipulation and agreement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Pembroke, Country of Bermuda this 12th day of October 2005 A.D.
		Filer: Platinum Underwriters Holdings, Ltd.
		By :		/s/ Joseph F. Fisher
				Joseph F. Fisher
				Executive Vice President
				and Chief Financial Officer

This statement has been signed by the following persons in the capacities and on the dates indicated.

		CT CORPORATION SYSTEM
		By: /s/ Jill E. Kranz
		Name: Jill E. Kranz
		Title: Assistant Secretary
		October 11, 2005