REQUEST FOR COMMENT ON THE APPLICATION OF CONTENT STANDARDS TO ADVERTISEMENTS BY MUNICIPAL ADVISORS UNDER MSRB RULE G-40

1. Bond Dealers of America: Letter from Mike Nicholas, Chief Executive Officer, dated October 17, 2018

2. National Association of Municipal Advisors: Letter from Susan Gaffney, Executive Director, dated October 17, 2018

3. Securities Industry and Financial Markets Association: Letter from Leslie M. Norwood, Managing Director and Associate General Counsel, dated October 17, 2018

4. Springsted Incorporated: Letter from Kathleen A. Aho, President, dated October 17, 2018