OBRASCON HUARTE LAIN, S.A. «12345...» Page 5 out of 13 28/07/2022 18:49 OBRASCON HUARTE LAIN, S.A. Half-yearly financial reports and audit reports/limited audit review La sociedad remite información financiera del primer semestre de 2022 Register number: 17718 04/07/2022 13:44 OBRASCON HUARTE LAIN, S.A. Liquidity and counterparty agreements Transactions for the period 04/01/2022 – 06/30/2022. Register number: 17191 16/06/2022 13:27 OBRASCON HUARTE LAIN, S.A. Other relevant information OHL sends announcement of the publication date of its 1H2022 results Register number: 16857 02/06/2022 14:21 OBRASCON HUARTE LAIN, S.A. Other relevant information The Company informs the resolutions approved by the Ordinary General Shareholders´ Meeting Register number: 16587 02/06/2022 08:36 OBRASCON HUARTE LAIN, S.A. Other relevant information Annual General Meeting Presentation Register number: 16583 12/05/2022 18:00 OBRASCON HUARTE LAIN, S.A. On business and financial situation OHLA submits the 1Q 2022 financial results report Register number: 16263 05/05/2022 17:23 OBRASCON HUARTE LAIN, S.A. Other relevant information OHLA sends announcement of the publication date of its 1Q2022 Results Register number: 16057 28/04/2022 19:35 OBRASCON HUARTE LAIN, S.A. Announcement of general shareholders’ meeting 2022 Ordinary General Shareholders Meeting Register number: 15906 07/04/2022 11:01 OBRASCON HUARTE LAIN, S.A. Liquidity and counterparty agreements Transactions for the period 01/01/2022 – 03/31/2022. Register number: 15491 05/04/2022 09:57 OBRASCON HUARTE LAIN, S.A. Half-yearly financial reports and audit reports/limited audit review La sociedad remite una amplicación/modificación de la información financiera del segundo semestre de 2021 registrada con anterioridad Register number: 15417 Page 5 out of 13 «12345...»