OBRASCÓN HUARTE LAIN, S.A. (“OHLA” 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 Commission (Comisión Nacional del Mercado de Valores) (“CNMV”) the following 

RELEVANT INFORMATION

Following the communication of inside information published by the Company on 7 October 2024 (with official registry number 2,405), the Company announces that on the date hereof the Company’s subsidiary OHL Operaciones, S.A.U. (the “Issuer”) has obtained the approval from holders of its Split Coupon Senior Secured Notes due 2026 (ISIN: XS2356570239)/ (ISIN: XS2356571120) (the “Notes”) to the proposals set out in the consent solicitation memorandum published by the Issuer on 7 October 2024. As a consequence, the Issuer will be able to (i) pay the coupon of the Notes due on 15 September on or prior to 18 October 2024 and (ii) extend the maturity date of the bridge financing entered into by the Company on 19 May 2023 for the purposes of the divestment of OHL Servicios Ingesan, S.A.U. to a date no later than 31 March 2025.

Madrid 10 October 2024.