1.   But cartel office president Ulf Boege said that no decision had yet been taken.

2.   Cartel office president Ulf Boege has said he is unhappy both with the idea of BP buying Aral and the idea of E.ON gaining control of Ruhrgas.

3.   Cartel office president Ulf Boege has said he was unhappy both with the idea of BP buying Aral and the idea of E.ON gaining control of Ruhrgas.

4.   Cartel office president Ulf Boege had already said he was unhappy both with the idea of BP buying Aral and the idea of E.ON gaining control of Ruhrgas.

5.   Cartel office president Ulf Boege had already said previously that he was unhappy with the idea of BP buying Aral.