CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Prospectuses and Statement of

Additional Information constituting parts of this Post-Effective Amendment No.132 to the

registration statement on Form N-1A (the “Registration Statement”) of our reports dated

February 11, 2013, relating to the financial statements and financial highlights appearing in the

December 31, 2012 Annual Reports to Shareholders of Vanguard 500 Index Fund, Vanguard Total

Stock Market Index Fund, Vanguard Large-Cap Index Fund, Vanguard Value Index Fund, Vanguard

Growth Index Fund, Vanguard Extended Market Index Fund, Vanguard Mid-Cap Index Fund,

Vanguard Mid-Cap Value Index Fund, and Vanguard Mid-Cap Growth Index Fund, and of our report

dated February 14, 2013, relating to the financial statements and financial highlights appearing in the

December 31, 2012 Annual Reports to Shareholders of Vanguard Small-Cap Index Fund, Vanguard

Small-Cap Value Index Fund, and Vanguard Small-Cap Growth Index Fund (comprising Vanguard

Index Funds), which reports are also incorporated by reference into the Registration Statement. We

also consent to the references to us under the heading “Financial Highlights” in the Prospectuses

and under the headings “Financial Statements” and “Service Providers—Independent Registered

Public Accounting Firm” in the Statement of Additional Information.

PricewaterhouseCoopers LLP

Philadelphia, PA

April 9, 2013