OBRASCON HUARTE LAIN, S.A. «12345» Page 1 out of 5 28/02/2023 09:07 OBRASCON HUARTE LAIN, S.A. On P&L The Company releases 2022 Results Presentation. Register number: 1787 28/02/2023 08:58 OBRASCON HUARTE LAIN, S.A. On P&L The company release the FY 2022 results report Register number: 1786 30/11/2022 19:10 OBRASCON HUARTE LAIN, S.A. On P&L The company release the 9M 2022 results report Register number: 1679 Notification modified by communication number 1678 dated 30/11/2022 (19:01) 30/11/2022 19:01 OBRASCON HUARTE LAIN, S.A. On P&L The company release the 9M 2022 results report Register number: 1678 Notification modified by communication number 1679 dated 30/11/2022 (19:10) 19/10/2022 20:58 OBRASCON HUARTE LAIN, S.A. On corporate transactions: mergers, acquisitions and others OHLA informs about the sale of its stakes in CENTRO HOSPITALARIO UNIVERSITARIO DE MONTREAL (CHUM) Register number: 1604 Related to communication no. 1099 dated 19/10/2021 (23:16) 28/07/2022 18:52 OBRASCON HUARTE LAIN, S.A. On P&L The company release the first half 2022 results: Financial report Register number: 1559 08/03/2022 11:29 OBRASCON HUARTE LAIN, S.A. On credit ratings Corporate rating by Moody´s Register number: 1353 24/02/2022 09:10 OBRASCON HUARTE LAIN, S.A. On P&L The Company releases 2021 results presentation. Register number: 1332 24/02/2022 08:39 OBRASCON HUARTE LAIN, S.A. On P&L The Company release the 2021 results report. Register number: 1331 28/12/2021 11:04 OBRASCON HUARTE LAIN, S.A. On business and financial situation La Compañía informa el pago recibido por su filial Cercanias Mostoles Navalcarnero, S.A. (Cemonasa) de la Comunidad de Madrid Register number: 1239 Page 1 out of 5 «12345»