- 13th Session, 23 January 2013
- 12th Session, January 2011
- 11th Session, January 2010
- 10th Session, January 2009
- 9th Session, January 2008
- 8th Session, January 2007
- 7th Session, January 2006
- 6th Session, January 2005
- 5th Session, January 2004
- 4th Session, January 2003
- 3rd Session, January 2002
- Round Table on " Long Term Security of Gas Supply in a Liberalised Market" (January 2004)