CANADIAN NATURAL RESOURCES LIMITED ANNOUNCES

HORIZON OIL SANDS PRODUCTION

CALGARY, ALBERTA – MARCH 30, 2010 – FOR IMMEDIATE RELEASE

Canadian Natural Resources Limited (“Canadian Natural”) announces monthly production of Synthetic Crude Oil (“SCO”) at the Horizon Oil Sands as follows:

Month	Barrels of Production per day of SCO
January 2010 actual	72,716
February 2010 actual	84,217
March 2010 forecasted	100,000 to 105,000

The Company continues to target reliable production of 110,000 barrels per day of SCO at the Horizon Oil Sands by the middle of 2010.

Canadian Natural is a senior crude 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.

CANADIAN NATURAL RESOURCES LIMITED

2500, 855 – 2nd Street S.W.

Calgary, Alberta

T2P 4J8

Telephone: Facsimile:   Email:    Website:	(403) 514-7777 (403) 514-7888 ir@cnrl.com www.cnrl.com	ALLAN P. MARKIN Chairman JOHN G. LANGILLE Vice-Chairman	TIM S. MCKAY Chief Operating Officer DOUGLAS A. PROLL Chief Financial Officer & Senior Vice-President, Finance
Trading Symbol - CNQ Toronto Stock Exchange New York Stock Exchange		STEVE W. LAUT President	COREY B. BIEBER Vice-President, Finance & Investor Relations

This document contains forward-looking statements under applicable securities laws, including, in particular, statements about Canadian Naturals’ plans, strategies and prospects.  Although the Company believes that the expectations reflected in these forward-looking statements are reasonable, such statements are subject to known or unknown risks and uncertainties that may cause actual results to differ materially from those anticipated.

Please refer to the Company’s Interim Report or Annual Information Form for a full description of these risks and impacts.