From: OPS047@aol.com Sent: Friday, September 05, 2003 10:04 AM To: rule-comments@sec.gov Cc: mdomka@interactivebrokers.com Subject: Box Dear Security and Exchange Commision, As a 13 year member of the CBOE I would like to voice my support for "BOX" as well as all platforms that provide transparent markets. Thank You, Phillip J Sylvester