Other Relevant Information. The Company informs the admission to trading of the 304.576.294 new OHL shares

OBRASCÓN HUARTE LAÍN, S.A. (OHL or the Company), pursuant to article 227 of the consolidated text of the Spanish Securities Market Act approved by Royal Legislative Decree 4/2015, of 23 October, hereby notifies the Spanish National Securities Market Authority (Comisión Nacional del Mercado de Valores) (CNMV) the following

OTHER RELEVANT INFORMATION

In connection with the communications related to the process of recapitalisation and renegotiation of certain financial indebtedness of the OHL group (the Restructuring) (among others): (i) the communication of inside information dated of 21 January 2021 with registration number 679; (ii) the communication of inside information dated of 5 February 2021 with registration number 716; (iii) the communication of inside information dated of 10 February with registration number 719; (iv) the communication of inside information dated of 25 February 2021 with registration number 768; (v) the communication of other relevant information dated 15 April 2021 with registration number 8677; (vi) the communication of other relevant information dated 3 June 2021 with registration number 9809 (the Communication of 3 June 2021); (vii) the communication of other relevant information dated 24 June 2021 with registration number 10175 (the Communication of 24 June 2021); and (viii) the communication of other relevant information dated 25 June 2021 with registration number 10200  the Company informs about the following matters.

The defined terms used in this communication which are not specifically defined herein, shall have the meaning ascribed to them in the Communication of 3 June 2021 and in the Communication of 24 June 2021.

OHL informs that, today, the CNMV has verified that the requirements for the admission to trading of the 304,576,294 new OHL shares of twenty-five euro cents (EUR 0.25) par value each, issued by virtue of the Rights Issue, the Private Placement, the Debt Capitalisation Capital Increase, the Arrangement and Commitment Fee Capital Increase and the Backstop Fee Capital Increase (the New Shares), have been met. The total nominal amount of the abovementioned capital increases amounts to seventy-six million one hundred and forty-four thousand euro and seventy-three euros and fifty cents (EUR 76,144,073.50).

Likewise, today, the CNMV has approved the admission to trading of the New Shares, and the Governing Bodies of the Spanish Stock Exchanges have agreed, with effect from 28 June 2021, the admission to trading of the New Shares on the Madrid and Barcelona Stock Exchanges, as well as on the Automated Quotation System (Sistema de Interconexión Bursátil (Mercado Continuo)).

Madrid, 28 June 2021