In particular, Karel Paternoster, Qian Zhang and Ramya Iyer, Master of Global Management students at the Antwerp Management School, verified the data regarding the production of electricity, CO2 emissions, taxes and contributions, payment plans and staff motivation... comments or suggestions for improvement. GRI4 References Introduction Key figures 2014 Sustainable key events in every area A word from the President of The Board of Directors Two questions for the CEO The executive committee The energy market Our value chain 2 3 4 -5 6 -7 8 10 11 12 -13 14 -15 Financial results Turnover Net profit Investments 32 33 34 Balance.