1.  American Council of Engineering Companies: Letter from David A. Raymond, President and CEO, dated February 7, 2013

2.  Cooperman Assoc.: E-mail from Josh Cooperman dated December 18, 2012

3.  Financial Information Forum: Letter from Arsalan Shahid, Program Director, dated February 19, 2013

4.  Financial Services Institute: Letter from David T. Bellaire, Executive Vice President and General Counsel, dated February 19, 2013

5.  FirstSouthwest: Letter from Hill A. Feinberg, Chairman and Chief Executive Officer, and Michael Bartolotta, Vice Chairman, dated February 19, 2013

6.  Government Finance Officers Association: Letter from Dustin McDonald, Director, Federal Liaison Center, dated March 5, 2013

7.  Investment Company Institute: Letter from Tamara K. Salmon, Senior Associate Counsel, dated February 19, 2013

8.  McCarthy, Thomas: E-mail dated December 27, 2012

9.  National Association of Bond Lawyers: Letter from Scott R. Lilienthal, President, dated February 22, 2013

10.  National Federation of Municipal Analysts: Letter from William Oliver, Industry & Media Liaison, dated March 6, 2013

11.  Sanderlin Securities: Letter from Dan Mayfield

12.  Securities Industry and Financial Markets Association: Letter from David L. Cohen, Managing Director, Associate General Counsel, dated February 19, 2013

13.  Sutherland Asbill & Brennan LLP: Letter from Michael Koffler dated February 19, 2013

14.  Vanguard: Letter from John C. Heywood, Principal, Retail Investor Group, dated February 19, 2013

15.  Wells Fargo Advisors, LLC: Letter from Robert J. McCarthy, Director of Regulatory Policy, dated February 19, 2013

16.  Wells Fargo Securities: Letter from Gerald K. Mayfield, Senior Counsel, dated February 19, 2013