RNS Number : 5889F

Obrascon Huarte Lain, S.A.

15 July 2019

London Stock Exchange

Madrid, 15^th July 2019

Ref.: Notification of Significant Event: 1H 2019 Results

Dear Sirs,

The Company, OBRASCON HUARTE LAIN, S.A. (OHL), in compliance with current legislation, hereby reports the following:

Significant Event

OHL will release 1H 2019 Results on Wednesday July 31^st after market closing.

The management team of OHL will hold a Conference call (conducted in English) for analysts & investors on the same day at 18:00h (Spanish time).

The details of the conference will be available at: www.ohl.es

The recording of the call will be available on the web during a week.

Yours faithfully,

José María del Cuvillo Pemán

Secretary of the Board of Directors

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