Notice of Proposed Changes and Request for Feedback - Alpha ATS LP

Alpha ATS LP has announced its plans to implement the changes described below in Q4 2010. It is publishing this Notice of Proposed Changes in accordance with the requirements set out in OSC Staff Notice 21-703 - Transparency of the Operations of Stock Exchanges and Alternative Trading Systems. Pursuant to OSC Staff Notice 21-703, Commission staff invite market participants to provide the Commission with feedback on the proposed changes.

Feedback on the proposed changes should be in writing and submitted by August 30, 2010 to:

Market Regulation Branch
Ontario Securities commission
Suite 1903, Box 55
20 Queen Street West
Toronto, ON M5H 3S8
Fax (416) 595-8940
Email: [email protected]

And to:

Randee Pavalow
Head of Operations and Legal
Alpha ATS LP
70 York Street, suite 1501
Toronto, ON M5J 1S9
Email: [email protected]

If the proposed changes do not raise any regulatory concerns, Alpha ATS may implement the proposed changes by September 13, 2010.