From: Roger Britton [rogerbritton@sympatico.ca] Sent: Thursday, September 04, 2003 8:28 AM To: rule-comments@sec.gov Cc: ibmgmt@interactivebrokers.com; 'Paul Britton' Subject: Re: BOX - SR-BSE-2002-15 Jonathan G. Katz, Secretary Securities and Exchange Commission 450 Fifth Street, N.W. Washington, D.C. 20549-0609 Sir, As an active independent trader, I am of the considered opinion that introduction of BOX with Price Improvement Period (PIP) will increase liquidity and be of benefit to all customers. I urge you to approve it promptly. Yours truly, Roger Britton