TUBACEX, S.A. «12345...» Page 5 out of 21 29/02/2024 13:35 TUBACEX, S.A. Annual corporate governance report La sociedad remite el Informe Anual de Gobierno Corporativo del ejercicio 2023 Register number: 27057 29/02/2024 13:34 TUBACEX, S.A. Annual report on directors´ remunerations La Sociedad remite el Informe Anual sobre remuneraciones de los consejeros del Ejercicio 2023 Register number: 27056 29/02/2024 12:46 TUBACEX, S.A. Annual financial reports and audit reports La sociedad remite el Informe Financiero Anual del ejercicio 2023 Register number: 27048 29/02/2024 07:53 TUBACEX, S.A. Half-yearly financial reports and audit reports/limited audit review La sociedad remite información financiera del segundo semestre de 2023 Register number: 26991 29/02/2024 07:50 TUBACEX, S.A. On business and financial situation Company submits its 2023 results presentation. Register number: 26982 29/02/2024 07:50 TUBACEX, S.A. On business and financial situation Company submits press release in regard to 2023 annual results. Register number: 26981 06/02/2024 13:13 TUBACEX, S.A. Other relevant information The company submits information in regard to its upcoming publication of results for the 2023 financial year. Register number: 26457 05/01/2024 09:39 TUBACEX, S.A. Liquidity and counterparty agreements La sociedad comunica operaciones realizadas durante el cuarto trimestre de 2023 al amparo de su contrato de liquidez. Register number: 26067 28/11/2023 10:50 TUBACEX, S.A. Total number of voting rights and capital La sociedad comunica inscripción efectuada de la reducción de capital social aprobada por la Junta General Ordinaria de 24 de mayo de 2023. Register number: 25566 21/11/2023 12:11 TUBACEX, S.A. On business and financial situation The company submits corporate presentation done at its Capital Markets Day. Register number: 25485 Page 5 out of 21 «12345...»