Shareholder Structure

The corporation's capital is owned by the following entities:

 Shareholder  NO. of shares  % Share Capital  % Vote (1)
 José Mello Investimentos SGPS, S.A. 182 683 904  30.45% 33.06%
 Arcus European Infrastructure Fund GP LLP 114 557 795 19.09% 20.73%
 Tagus holding S. àr. I. 243 497 061
 40.58% 44.06%

¹ The number of treasury shares is 47 352 614