Conference Calls

A conference call for shareholders, analysts and other members of the investment community has been scheduled for August 12 at 10:00am (Eastern Time). Stuart Butts, Chairman, President & CEO, and George Kypreos, CFO, will discuss the financial results and provide updates on operations. To participate, please dial 416-644-3435, or 1-800-594-3615 approximately 10 minutes before the conference call.

The conference can also be heard over the Internet at www.xenos.com.

A recording of the conference call will be available through August 19. Please dial 416-640-1917 or 1-877-289-8525 and enter the reservation number 21311854# to listen to the rebroadcast. The call will also be archived for 30 days on the Xenos web site at www.xenos.com.

Webcast

The conference can also be heard over the Internet at
http://www.newswire.ca/en/webcast/viewEvent.cgi?eventID=2753960
The call will be archived for 30 days.