CALGARY, ALBERTA--(Marketwire - Nov. 21, 2011) - Nexen Inc. will issue its 2012 operating plan along with production, cash flow and capital investment guidance in a press release to be released on November 29th, 2011 at approximately 4:30 a.m. Mountain Time (6:30 a.m. Eastern Time).

Marvin Romanow, President and CEO, and Nexen's executive management team will provide further colour on our plans for 2012 at our Investor Day, to be held in New York City on December 1st, 2011.

We invite you to visit our website at to listen to a live webcast of the Investor Day. The webcast will be archived under the Investors' 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. Nexen is focused on three growth strategies: oil sands and shale gas in Western Canada and conventional exploration and development primarily in the North Sea, offshore West Africa and deepwater Gulf of Mexico. Nexen adds value for shareholders through successful full-cycle oil and gas exploration and development, and leadership in ethics, integrity, governance and environmental stewardship.

Contact Information:

Kim Woima, CA
Manager, Investor Relations
(403) 699-5821

Nexen Inc.
801 - 7th Ave SW
Calgary, Alberta, Canada T2P 3P7