Residence: Calgary, Alberta, Canada

Director: Since 1994

Nexen Shares: 48,860

DSUs: 46,117

Principal Occupation: Chair of Nexen

Francis Saville, 70, Chair of Nexen, is counsel with Fraser Milner Casgrain LLP, Barristers and Solicitors. He joined the firm in 1965 and had an extensive practice in the areas of energy and environmental law, as well as municipal law and land-use planning. He specialized in representing energy corporations in regulatory applications.

Residence: Calgary, Alberta, Canada

Director: Since 2009

Nexen Shares: 187,432

DSUs: –

Principal Occupation: President and CEO of Nexen

Marvin Romanow, 53, has been President and Chief Executive Officer of Nexen Inc. since January 1, 2009. He was Executive Vice President and Chief Financial Officer since June 2001. Prior to this, he held a variety of finance positions at Nexen. Marvin is a director of the Canexus Income Fund and the Canadian Energy Research Institute. He is a past board member of Syncrude Canada.

Residence: Houston, Texas, United States

Director: Since 2008

Nexen Shares: –

DSUs: 5,000

Principal Occupation: Retired oil and gas executive

William Berry, 56, is a retired oil and gas executive. He was formerly Executive Vice President of ConocoPhillips from 2003 to 2008. He also held senior executive positions with Phillips Petroleum Co. His career in the oil and gas industry began in 1976 and includes experience working in West Africa, the North Sea, Asia, Russia, Caspian Sea and North America.

Residence: Aurora, Ontario, Canada

Director: Since 2009

Nexen Shares: 16,000

DSUs: 5,000

Principal Occupation: Retired pension investment executive

Robert Bertram, 64, is the retired Executive Vice President of Ontario Teachers Pension Plan Board (Teachers’), a position he held from 1990 to December 2008. He led Teachers’ investment program and had oversight of the pension fund’s growth to $108.5 billion from $19 billion when it was established in 1990. Prior to that, he spent 18 years at Telus Corporation, formerly Alberta Government Telephones. Before leaving Telus, he was Assistant Vice President and Treasurer.

Residence: Calgary, Alberta, Canada

Director: Since 2000

Nexen Shares: 31,264

DSUs: 35,660

Principal Occupation: Retired oil and gas executive

Dennis Flanagan, 69, is a retired oil and gas executive. He worked in the oil and gas industry for more than 40 years with Ranger Oil Limited (Ranger) and ELAN Energy Inc. (ELAN), most recently as Executive Chair of ELAN until it was bought by Ranger in 1997. He was involved in all phases of exploration and development in Canada, the US and the UK North Sea.

Residence: Tulsa, Oklahoma, United States

Director: Since 1985*

Nexen Shares: 70,925

DSUs: 35,656

Principal Occupation: Retired oil and gas executive

Dave Hentschel, 75, is the retired Chair and CEO of Occidental Oil and Gas Corporation, the worldwide oil and gas subsidiary of Occidental Petroleum Corporation. He was President and CEO of Nexen from January 1996 until June 1997.

* Retiring April 2009

Residence: Calgary, Alberta, Canada

Director: Since 2001

Nexen Shares: 72,000

DSUs: 48,145

Principal Occupation: Retired oil and gas executive

Barry Jackson, 56, is the retired Chair of Resolute Energy Inc. and Deer Creek Energy Limited. He was formerly President, CEO and a director of Crestar Energy Inc. (Crestar). He has worked in the oil and gas industry since 1974 and held senior executive positions with Northstar Energy Corporation and Crestar.

Residence: Calgary, Alberta, Canada

Director: Since 1996

Nexen Shares: 12,415

DSUs: 48,789

Principal Occupation: Managing Director of TriWest Capital Partners

Kevin Jenkins, 52, is a Managing Director of TriWest Capital Partners, an independent private equity firm. He was President, CEO and a director of The Westaim Corporation from 1996 to 2003. From 1985 to 1996, he held senior executive positions with Canadian Airlines International Ltd. (Canadian). He was elected to Canadian’s board of directors in 1987, appointed President in 1991 and appointed President and CEO in 1994.

Residence: Edmonton, Alberta, Canada

Director: Since 2006

Nexen Shares: 300

DSUs: 26,943

Principal Occupation: Counsel with Bennett Jones LLP, Barristers and Solicitors

The Honourable Anne McLellan, 58, has been counsel at Bennett Jones LLP, Barristers and Solicitors and Distinguished Scholar in Residence at the University of Alberta in the Institute for US Policy Studies since 2006. Previously, she served as the Liberal Member of Parliament for Edmonton Centre from 1993 to 2006. Between 2003 and 2006, she served as the Deputy Prime Minister and Minister of Public Safety and Emergency Preparedness.

Residence: Edmonton, Alberta, Canada

Director: Since 2004

Nexen Shares: 12,000

DSUs: 57,824

Principal Occupation: Retired Chair and CEO of Syncrude Canada Ltd.

Eric Newell, 64, is the retired Chancellor of the University of Alberta, a position he held from 2004 to 2008. He is also the retired Chair and CEO of Syncrude Canada Ltd. (Syncrude), positions he held from 1994 and 1989, respectively, until January 2004. He served as President of Syncrude from 1989 to 1997. Prior to that, he worked with Imperial Oil Limited and Esso Petroleum Canada Ltd.

Residence: Toronto, Ontario, Canada

Director: Since 2002

Nexen Shares: 16,000

DSUs: 45,618

Principal Occupation: Retired Chair of PwC Consulting

Tom O’Neill, 63, is the retired Chair of PwC Consulting. He was formerly CEO of PwC Consulting, COO of Pricewaterhouse-Coopers LLP, Global, CEO of Pricewaterhouse-Coopers LLP, Canada, and Chair and CEO of Price Waterhouse Canada. He worked in Brussels in 1975 to broaden his international experience and from 1975 to 1985 was client service partner for numerous multinationals, specializing in dual Canadian and US-listed companies.

Residence: Toronto, Ontario, Canada

Director: Since 1997*

Nexen Shares: 92,004

DSUs: 72,672

Principal Occupation: Retired banking executive

Dick Thomson, 75, is a retired banking executive. He was with the Toronto-Dominion Bank, one of Canada’s largest banks, since 1957, as Chair from 1978 until his retirement in 1998 and as President from 1972 to 1978.

* Retiring April 2009

Residence: Vancouver, British Columbia, Canada

Director: Since 1996

Nexen Shares: 15,055

DSUs: 48,200

Principal Occupation: Retired mining executive

John Willson, 69, is the retired President and CEO of Placer Dome Inc., a position he held from 1993 to 1999. He was President and CEO of Pegasus Gold Inc. from 1989 to 1992 and was with Cominco Limited prior to that. During his career, he worked in Ghana, Montana, Washington State, British Columbia, the Northwest Territories and Greenland.

Residence: Calgary, Alberta, Canada

Director: Since 1997

Nexen Shares: 63,152

DSUs: 37,430

Principal Occupation: Retired oil and gas executive

Vic Zaleschuk, 65, is the retired President and CEO of Nexen, a position he held from 1997 to 2001. He joined Nexen in 1986, as the company was developing operations in Yemen and expanding its international strategy. From 1986 to 1994, he was Senior Vice President, Finance and from 1994 to 1997, he was Senior Vice President and CFO.