Mr Coles joined the BG Group board in 1998 and was appointed chairman of the corporate responsibility committee in 2005. This role will be assumed by John Hood who was appointed as a non-executive director on April 26, 2007.

Robert Wilson, chairman of the BG Group, said: I would like to express the board’s sincerest thanks to Sir John for his support and advice over the past 10 years. He has been on the board during a period of great change in the BG Group and has made an important contribution to the company’s success.