Exhibit 15.01

April 29, 2010

To the Board of Directors and Stockholders of
The Hartford Financial Services Group, Inc.
Hartford, Connecticut

We have reviewed, in accordance with the standards of the Public Company Accounting Oversight Board (United States), the unaudited interim financial information of The Hartford Financial Services Group, Inc. and subsidiaries (the “Company”) for the periods ended March 31, 2010 and 2009, as indicated in our report dated April 29, 2010; because we did not perform an audit, we expressed no opinion on that information.

We are aware that our report referred to above, which is included in the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2010, is incorporated by reference in the following registration statements:

Form S-8 Registration Nos.

333-105707

333-049170

333-105706

333-034092

033-080665

333-012563

333-125489

333-157372

333-160173

We also are aware that the aforementioned report, pursuant to Rule 436(c) under the Securities Act of 1933, is not considered a part of the Registration Statement prepared or certified by an accountant or a report prepared or certified by an accountant within the meaning of Sections 7 and 11 of that Act.

DELOITTE & TOUCHE LLP
Hartford, Connecticut