abertis shares are represented by entries on account, with the Sociedad de Gestión de los Sistemas de Registro, Compensación y Liquidación de Valores, S.A. (IBERCLEAR) and its participating entities being responsible for maintaining the associated accounting records.

The description of the abertis shareholder structure is extracted from the information that is available in the "Significant shareholdings and stakes in own shares" (1) and in the “Significant Events” on the official web site of the Spanish Stock Exchange Commission (CNMV) updated with the information provided by the shareholders themselves to their shareholders or to abertis at the time of the publication of their Annual Report.

According to this information, the significant shareholdings are:

• La Caixa: 27.406% ⁽²⁾
• Trebol Holdings: 15.552% ⁽³⁾
• OHL: 4.95% ⁽⁴⁾
• Own shares: 9.99%
• Free-float: 42.10%

⁽¹⁾ This register complies with Royal Decree 1362/2007, of 19th October 2007, implementing Law 24/1988 on the Securities Market, concerning the transparency requirements relating to information on issuers whose securities are accepted for trading on a secondary official market or other regulated market in the European Union (The “Royal Decree 1362/2007”).

According to the article 23.2 of Royal Decree 1362/2007, these voting rights have been calculated on the total of the representative shares of the abertis share capital, without considering that the exercise of the rights belonging to abertis treasury shares is cancelled.

⁽²⁾ Caja de Ahorros y Pensiones de Barcelona "la Caixa" manages Criteria CaixaHolding, S.A., that has a stake of 19,652% of the voting rights in abertis. Criteria CaixaHolding, S.A manages Inversiones Autopistas, S.L with a stake of 7.753% of the voting rights in abertis. La Caixa manages Caixabank, S.A and this last manages to Vidacaixa, S.A. de Seguros y Reaseguros which have a 0.0002% and 0.0004 respectively of the voting rights of abertis.

⁽³⁾ Trebol Holdings, s.à.r.l manages Trebol International, B.V, which holds 15.552% of the voting rights in abertis. Trebol Holdings s.à.r.l, is a company advised by CVC Capital Partners, and belongs to several investment funds or collective investment undertakings (limited partnerships) but it is not managed by CVC Capital Partners and any other organisation.

⁽⁴⁾ Obrascón Huarte Laín, S.A (“OHL”) announced through a significant event communication on 25 April 2012, the signature of a six month equity swap contract on 4.7% of abertis share capital, to be settled at OHL’S choice, in cash or shares. Following the previous announcement, OHL has published the acquisition of an additional 0.25% of abertis shares.
This notification was made through the formalization of two equity swaps between OHL and two financial entities: Société Générale and Banco Santander. Detail of the chain control: Inmobiliaria Espacio, S.A., direct holder of the 100% of Grupo Villar Mir, S.L.U. who is direct holder of 46,18% of OHL, S.A. Inmobiliaria Espacio, S.A. indirect holder, through Grupo Villar Mir, S.L.U., of 100% of: Espacio Activos Financieros, S.L.U.: direct holder of 12,05% of OHL, S.A. – Grupo Ferroatlántica, S.A.U.: direct holder of 0,74% of OHL, S.A. – Fertiberia, S.A.: direct holder of 1,70% de OHL, S.A. – Fertiberia Castilla León, S.A.: direct holder of 0,33% de OHL, S.A.