Boston Stock ExchangeFrom: Paul Britton [Paul.Britton@makoglobal.com] Sent: Wednesday, September 10, 2003 4:35 PM To: 'rule-comments@sec.gov' Subject: Boston Stock Exchange Re: SR-BSE-2002-15, Boston Stock Exchange, Inc. Filing to Establish Trading Rules for the Boston Options Exchange Facility Dear Mr. Katz, I would like to confirm to you MAKO's ongoing support of the Boston Stock Exchange's filing for a fully electronic Options Exchange Facility. We firmly believe that this Options Exchange Facility will increase competition in the US market and thereby benefit customers as well as create new opportunities for liquidity providers. Sincerely, Paul Britton CEO MAKO Global Derivatives, LLC 44, Wall Street (4th floor) New York, NY 10005