CALGARY, ALBERTA--(June 10, 2010) - Nexen Inc. announces that Marvin Romanow, President and Chief Executive Officer, will present at the following investor conference:

CAPP Oil & Gas Investment Symposium – Calgary, Alberta

Date: Monday, June 14, 2010

Time: 10:20 a.m. Mountain Time (12:20 p.m. Eastern Time)

We invite you to visit our website at www.nexeninc.com to view a live webcast of Marvin'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 deep-water 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 Info

Lavonne Zdunich, CA
Manager, Investor Relations
(403) 699-5821

or

Tim Chatten, P.Eng
Analyst, Investor Relations
(403) 699-4244

or

Pierre Alvarez
Vice President, Corporate Relations
(403) 699-6291

or

Carla Yuill
Manager, Corporate Communications
(403) 699-4704

or

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

www.nexeninc.com