Canadian Natural Resources Limited Announces First Shipment of Synthetic Crude Oil From Horizon

CALGARY, ALBERTA--(MARKET WIRE)--Mar 20, 2009 -- Canadian Natural Resources Limited ("Canadian Natural") (Toronto:CNQ.TO - News) (NYSE:CNQ - News) is pleased to provide an update on Horizon Oil Sands ("Horizon").

On March 18th, 2009, Canadian Natural commenced first shipment of synthetic crude oil from Horizon to the sales pipeline. This is the next major milestone achieved by Canadian Natural after previously announcing first production of synthetic crude oil on February 28, 2009. Horizon is located 70 kilometers north of Fort McMurray and includes a surface oil sands mining and bitumen extraction plant with on-site bitumen upgrading and associated infrastructure to produce synthetic crude oil.

Canadian Natural is a senior oil and natural gas production company, with continuing operations in its core areas located in Western Canada, the U.K. portion of the North Sea and Offshore West Africa.

Certain information regarding the Company contained herein may constitute forward-looking statements under applicable securities laws. Such statements are subject to known or unknown risks and uncertainties that may cause actual results to differ materially from those anticipated or implied in the forward-looking statements.

     Contacts:
     Canadian Natural Resources Limited
     Allan P. Markin
     Chairman
     (403) 514-7777
     (403) 514-7888 (FAX)
      
     Canadian Natural Resources Limited
     John G. Langille
     Vice-Chairman
     (403) 514-7777
     (403) 514-7888 (FAX)
      
     Canadian Natural Resources Limited
     Steve W. Laut
     President and Chief Operating Officer
     (403) 514-7777
     (403) 514-7888 (FAX)
      
     Canadian Natural Resources Limited
     Douglas A. Proll
     Chief Financial Officer and Senior Vice-President, Finance
     (403) 514-7777
     (403) 514-7888 (FAX)
      
     Canadian Natural Resources Limited
     Corey B. Bieber
     Vice-President, Finance & Investor Relations
     (403) 514-7777
     (403) 514-7888 (FAX)
      
     Canadian Natural Resources Limited
     2500, 855 - 2nd Street S.W.
     Calgary, Alberta
     T2P 4J8
     Email: ir@cnrl.com
     Website: http://www.cnrl.com