T. Rowe Price (TROW) 10-Q 2007 Q2 Quarterly report

Exhibit 32

Section 1350 Certifications

We certify, to the best of our knowledge, based upon a review of the Form 10-Q Quarterly Report for the quarterly period ended June 30, 2007 of T. Rowe Price Group, Inc., that:

(1) The Form 10-Q Quarterly Report fully complies with the requirements of Section 13(a) of the Securities Exchange Act of 1934, as amended; and

(2) The information contained in the Form 10-Q Quarterly Report fairly presents, in all material respects, the financial condition and results of operations of T. Rowe Price Group, Inc.

July 24, 2007

/s/ James A.C. Kennedy

Chief Executive Officer and President          

/s/ Kenneth V. Moreland

Vice President and Chief Financial Officer          

A signed original of this written statement has been provided to T. Rowe Price Group, Inc. and will be retained by T. Rowe Price Group, Inc. and furnished to the Securities and Exchange Commission or its staff upon request.