REQUEST FOR COMMENT ON DRAFT INTERPRETIVE GUIDANCE ON PENNYING AND DRAFT AMENDMENTS TO EXISTING GUIDANCE ON BEST EXECUTION

1. Amuni Financial, Inc.: Letter from Mike Petagna, President, dated October 31, 2018

2. Bond Dealers of America: Letter from Michael Nicholas, Chief Executive Officer, dated November 13, 2018

3. Emmet & Co.: Email from Robert Ventrice dated September 14, 2018

4. Hartfield, Titus & Donnelly, LLC: Letter from Edward J. Smith, Chief Compliance Officer, and Christopher C. Ferreri, Chief Operating Officer, dated November 13, 2018

5. Headlands Tech Global Markets, LLC: Letter from Matthew F. Andresen, Chief Executive Officer, dated October 26, 2018

6. Regional Brokers, Inc.: Letter from Joseph A. Hemphill, III, Chief Executive Officer, and H. Deane Armstrong, Chief Compliance Officer, dated November 6, 2018

7. RW Smith & Associates, LLC: Letter from Denien Rasmussen, Co-Chief Compliance Officer, Chief Operating Officer, dated November 13, 2018

8. Securities Industry and Financial Markets Association: Letter from Leslie M. Norwood, Managing Director and Associate General Counsel, dated November 13, 2018

9. TMC Bonds: Letter from Thomas S. Vales, Chief Executive Officer, dated November 14, 2018