Comments on CHX Rulemaking

Notice of Filing of a Proposed Rule Change and Amendment No. 1 Thereto to Implement a New Trading Model

(Release No. 34-54301; File No. SR-CHX-2006-05)

Oct. 10, 2006	Michael A. Barth, SVP, Order Execution Services Holdings, Inc., Princeton, New Jersey
Aug. 25, 2006	Michael A. Barth, Senior Vice President, Exchanges and Market Centers, Order Execution Services Holdings, Inc.