We hereby consent to the incorporation by reference in this Registration Statement on Form N-1A of our report dated December 22, 2009, relating to the financial statements and financial highlights which appears in the October 31, 2009 Annual Report to Shareholders of the T. Rowe Price U.S. Bond Index Fund, Inc., which is also incorporated by reference into the Registration Statement. We also consent to the references to us under the headings "Financial Highlights", "Independent Registered Public Accounting Firm" and "Fund Service Providers" in such Registration Statement.