CALGARY, ALBERTA--(Marketwire - Jan. 17, 2011) - Nexen Inc. announces that Gary Nieuwenburg, Executive Vice President - Canada, will present at the following investor conference: CIBC Whistler Institutional Investor Conference - Whistler, British Columbia Date: Thursday January 20, 2011 Time: 10:10 am Mountain Standard Time (12:10 pm Eastern Time) We invite you to visit our website at www.nexeninc.com to view a live webcast of Gary's presentation. The webcast will be archived under the Investor's section of our website. Nexen Inc. is an independent, Canadian-based global energy company, listed on the Toronto and New York stock exchanges under the symbol NXY. We are focused on three growth strategies: oil sands and unconventional gas in Western Canada and conventional exploration and development primarily in the North Sea, offshore West Africa and deepwater Gulf of Mexico. We add value for shareholders through successful full-cycle oil and gas exploration and development, and leadership in ethics, integrity, governance and environmental stewardship.

Contact Information: Tim Chatten, P.Eng Analyst, Investor Relations (403) 699-4244 or Blair Bateson Analyst, Investor Relations (403) 699-6818 or Pierre Alvarez Vice President, Corporate Relations (403) 699-6291 or Nexen Inc. 801 - 7th Ave SW Calgary, Alberta, Canada T2P 3P7 www.nexeninc.com