Siskinds LLP and May Jensen Shawa Solomon LLP file securities class action
against Canadian Superior Energy, Inc. and certain of its former officers and
directors

LONDON, ON, and CALGARY, June 3 /CNW/ - Siskinds LLP, in London, Ontario and May Jensen Shawa Solomon LLP, in Calgary, Alberta, announced today that, on May 26, 2010, they filed a proposed class action on behalf of their client against Canadian Superior Energy, Inc., Challenger Energy Corp. and certain current and former officers and directors of the corporate defendants.

The plaintiff's claims concern various disclosures alleged to have been made by the defendants in relation to Canadian Superior's gas exploration project offshore Trinidad, and also in relation to Canadian Superior's stock option practices.

The claim is brought on behalf of all persons and entities who acquired Canadian Superior securities during the period January 14, 2008 to February 12, 2009. Persons who acquired Canadian Superior securities during that period are encouraged to contact Siskinds LLP for further information at [phone], ext. 2380.

Siskinds LLP has successfully resolved more securities class actions than any other law firm in Canada, and is co-counsel to the plaintiffs in the first case certified under Ontario's new investor protection legislation, Part XXIII.1 of the Ontario Securities Act. May Jensen Shawa Solomon LLP successfully resolved the largest securities class action settled in Canada in 2009.

For further information: A. Dimitri Lascaris, Class Actions, Siskinds LLP, 680 Waterloo Street, London, ON, N6A 3V8, Tel: [phone], Fax: [phone], Mail: [email protected]