April 8, 2008

Nova Scotia Securities Commission

Securities Commission of Newfoundland and Labrador

Alberta Securities Commission

Saskatchewan Financial Services Commission, Securities Division

The Manitoba Securities Commission

Office of the Administrator of the Securities Act, New Brunswick

Ontario Securities Commission

British Columbia Securities Commission

Registrar of Securities, Prince Edward Island

Autorité des marchés financiers

Government of the Northwest Territories

Government of Yukon

Government of Nunavut

The Toronto Stock Exchange

Securities Exchange Commission

Philippine Stock Exchange, Inc.

Philippine Securities and Exchange Commission

Dear Sirs:

RE: SUN LIFE FINANCIAL INC.

The following items were sent by prepaid mail or made available by electronic communication to registered shareholders and to share account holders of the above-mentioned Company between March 27 and April 2, 2008:

X	Form of Proxy
X	Notice of Annual Meeting of Common Shareholders and Management Information Circular
X	Annual Report for the Fiscal Year Ended December 31, 2007
X	Request for Delivery of Financial Statements Card
X	Proxy Return Envelope

We have not mailed material to shareholders in cases where on three consecutive occasions, notices or other documents have been returned undelivered by the Post Office.

The above disclosure documents are filed with you as Agent for the Company in compliance with the regulations.

Yours very truly,

CIBC MELLON TRUST COMPANY

Christopher de Lima

Associate Relationship Manager, Client Services

Direct Dial: (416) 643-6176