SNG Canadian Superior Energy,

Canadian Superior Energy Inc. ("Canadian Superior" or the "Company") (TSX: SNG)(NYSE Amex: SNG) announces today that it has signed an Assignment and Transfer Agreement with BG Tunisia Limited and ENSCO Offshore International Company related to the ENSCO 105 drilling rig. The ENSCO 105 is a 'jackup' rig (independent leg cantilever) built in 2002 and rated for water depths up to 375 feet and drilling depths down to 30,000 feet. This rig has been in the Mediterranean for the last few years on contract with BG. It is anticipated that Canadian Superior will take operational possession of the rig sometime in the 4th quarter of 2010 for the drilling of the Zarat North appraisal well on the 7th of November Block, offshore Tunisia / Libya.

The well will be drilled to approximately 3000 metres to test the El Gueria Formation. It is anticipated the well will take 45 days to drill and evaluate with a possible testing program to follow.

Canadian Superior is the operator of the 7th of November Block. Under a Participation Agreement, Canadian Superior holds a direct 50% interest in the Block and holds the remaining 50% interest in trust for a third party which is also obligated to pay 50% of project costs.

Canadian Superior Energy Inc. is a Calgary, Alberta, Canada based diversified global energy company engaged in the exploration and production of oil and natural gas and in the development of a liquefied natural gas project. Its operations are located in Western Canada, offshore Trinidad and Tobago, North Africa, offshore Eastern Canada, and offshore Eastern United States.

See Canadian Superior's website at www.cansup.com to review further detail on Canadian Superior's operations.

This news release contains "forward-looking information" (within the meaning of applicable Canadian securities laws) and "forward-looking statements" (within the meaning of the U.S. Private Securities Litigation Reform Act of 1995). Such statements or information are identified with words such as "anticipate", "believe", "expect", "plan", "intend", "estimate", "propose", "project" or similar words suggesting future outcomes or statements regarding an outlook. Such statements include, among others, those relating to the proposed date upon which the Company anticipates taking operational possession of the rig, anticipating drilling results, and anticipated timing for drilling and evaluation of results.

Such forward-looking information or statements are based on a number of risks, uncertainties and assumptions which may cause actual results or other expectations to differ materially from those anticipated and which may prove to be incorrect. Assumptions have been made regarding, among other things, operating conditions, availability of capital, and capital and other expenditures. Actual results could differ materially due to a number of factors, including, without limitation, risks of project delays and unsuccessful drilling results, environmental risks, risks associated with foreign operations and risks in relying on industry partners to comply with their obligations. These and other assumptions and risks are set out in detail in the Company's Annual Information Form, available on SEDAR at www.sedar.com, and the Company's annual reports on Form 40-F or Form 20-F on file with the U.S. Securities and Exchange Commission.

Although the Company believes that the expectations reflected in the forward-looking information or statements are reasonable, prospective investors in the Company's securities should not place undue reliance on forward-looking statements because the Company can provide no assurance that such expectations will prove to be correct. Forward-looking information and statements contained in this news release is as of the date of this news release and the Company assumes no obligation to update or revise this forward-looking information except as required by law.

Contacts: Canadian Superior Energy Inc. Investor Relations (403) 294-1411 (403) 216-2374 (FAX) www.cansup.com Canadian Superior Energy Inc. Suite 3200, 500 - 4th Avenue S.W. Calgary, Alberta, Canada T2P 2V6