Nexen Inc.

CALGARY, ALBERTA -- (Marketwire) -- 02/16/11 -- Nexen Inc. released its 2010 financial results today and highlighted its significant progress in delivering results and building value. 2010 highlights include: Corporate-wide - Increased annual after royalties production by 7% (after adjusting for the heavy oil sale)

CALGARY, ALBERTA -- (Marketwire) -- 02/09/11 -- To coincide with the quarterly earnings release of OPTI Canada Inc., Nexen provides the following Long Lake project update.

In the fourth quarter, bitumen volumes increased by 10% over the previous quarter to 28,100 bbls/d (gross). The following table shows the progress we've made over the last two

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CALGARY, ALBERTA -- (Marketwire) -- 02/09/11 -- To coincide with the quarterly earnings release of OPTI Canada Inc, Nexen Inc. will provide a Long Lake operations update shortly and will have a conference call following to discuss the project. Marvin Romanow, President and CEO, and Kevin Reinhart, Senior Vice President and CFO will provide

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CALGARY, ALBERTA -- (Marketwire) -- 01/17/11 -- 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

CALGARY, ALBERTA -- (Marketwire) -- 01/05/11 -- Nexen Inc. announces the regular quarterly interest payment on its 7.35% Subordinated Notes due 2043 of US$0.459375 per note, payable February 1, 2011, to note holders of record on January 15, 2011.

CALGARY, ALBERTA -- (Marketwire) -- 11/15/10 -- Our growth strategies are centered around oil sands, shale gas and conventional development and exploration in select basins. As we move into 2011, we will continue to concentrate on execution excellence. Our near-term priorities comprise the continued ramp up of Long Lake, completing the

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CALGARY, ALBERTA -- (Marketwire) -- 11/12/10 -- Nexen Inc. will hold its 2010 Investor Day on Tuesday, November 16, 2010. Marvin Romanow, President and CEO, and members of Nexen's management team will host an investor day webcast providing an update on our strategies and opportunities in our conventional assets and our unconventional assets (oil

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CALGARY, ALBERTA -- (Marketwire) -- 11/10/10 -- Nexen Inc. announces that Una Power, Senior Vice President - Corporate Planning & Business Development, will present at the following investor conference: Bank of America / Merrill Lynch Global Energy Conference - Miami, Florida

CALGARY, ALBERTA -- (Marketwire) -- 10/29/10 -- Nexen Inc. announces that, as a result of issues arising from the moratorium in the Gulf of Mexico, it has signed an amended agreement with Ensco regarding the ENSCO 8502, an ultra-deepwater semi-submersible drilling rig. Under the amended agreement, Nexen is entitled to a special rate until such

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CALGARY, ALBERTA -- (Marketwire) -- 10/28/10 -- Nexen Inc. announces third quarter cash flow of $485 million and net income of $537 million. Quarterly net income reflects the successful sales of our heavy oil properties in Canada and our North American natural gas marketing business.