Lively discussions have set off on the second day of the Master Class Gas Sales and Purchase Strategies in Liquid Markets. These three days, the participants from various companies, being Shell, Total, GasTerra, Wingas, Wintershall, Electrabel, Westland Energie Services, VNG and E.On Gashandel, are gathering new academic information as well as hands-on business experience on the functioning of the (free) gas market. At the end of the week they will join in debating contest on this subject in front of a panel of experts. Their goal is to define an optimal strategy for the sales and purchasing of natural gas in a changing market.