1.  Benchmark Solutions: Letter from Jim Toffey, Chief Executive Officer, dated June 7, 2012

2.  Bond Dealers of America: Letter from Michael Nicholas, Chief Executive Officer, dated July 2, 2012

3.  Government Finance Officers Association: Letter from Susan Gaffney, Director, Federal Liaison Center, dated July 2, 2012

4.  Investment Company Institute: Letter from Dorothy Donohue, Deputy General Counsel-Securities Regulation, dated June 29, 2012

5.  Securities Industry and Financial Markets Association: Letter from Michael Decker, Managing Director and Co-Head of Municipal Securities, dated June 29, 2012

6.  Stifel Nicolaus & Company, Incorporated: Letter from Kenneth E. Williams, Executive Vice-President, Director of Municipal Finance Group, dated June 27, 2012