OBRASCÓN HUARTE LAIN, S.A. (“OHLA” or the “Company”) pursuant to the provisions of article 228 of Law on Stock Market reports to the National Securities Market Commission

INSIDE INFORMATION

Moody’s credit rating agency has announced today the downgrade of the corporate family rating (CFR) and the senior secure notes issued by OHL Operaciones S.A.U. from Caa1 to Caa2 with a negative outlook.

This downgrade is part of the negotiation process that is being carried out with the Notes holders, and as a consequence of the approval of the Consent Solicitation launched in order to postpone the payment of the coupon.

Madrid, 24 September 2024.