RNS Number : 1827M

Obrascon Huarte Lain, S.A.

06 May 2020

London Stock Exchange

Madrid, 6^th May 2020

Ref.: Notification of Significant Event: Resignation of Mr. Javier Goñi as board member

Dear Sirs,

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

DISCLOSURE OF OTHER RELEVANT INFORMATION

The Company informs that the Board of Directors, based on a favorable report from the Appointments and Remuneration Committee, has agreed to accept the resignation presented by Mr. Javier Goñi del Cacho as director of the Company.

The composition of the Board of Directors is as follows:

Chairman

Juan Villar-Mir de Fuentes (propietary)

First Vice-President

                                       Silvia Villar-Mir de Fuentes (propietary)

Second Vice-President and Chief Executive Officer

Jose Antonio Fernández Gallar (executive)

Vocals

Carmen de Andrés Conde (independent)

César Cañedo-Argüelles Torrejón (independent)

Reyes Calderon Cuadrado (independent)

Manuel Garrido Ruano (propietary)

Juan Jose Nieto Bueso (independent)

Juan Antonio Santamera Sánchez (other external)

Yours faithfully,

José María del Cuvillo Pemán

Secretary of the Board of Directors

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