TUBACEX, S.A. «12345...» Page 2 out of 15 24/02/2023 16:16 TUBACEX, S.A. Annual corporate governance report La sociedad remite el Informe Anual de Gobierno Corporativo del ejercicio 2022 Register number: 20704 24/02/2023 14:59 TUBACEX, S.A. Annual financial reports and audit reports La sociedad remite el Informe Financiero Anual del ejercicio 2022 Register number: 20696 24/02/2023 12:28 TUBACEX, S.A. On corporate governance La Sociedad remite cambios en la composición de sus comisiones. Register number: 20686 Notification modified by communication number 20641 dated 23/02/2023 (19:40) 24/02/2023 08:49 TUBACEX, S.A. On business and financial situation The company submits results presentation of 2022. Register number: 20671 24/02/2023 08:47 TUBACEX, S.A. On business and financial situation Company submits press release in regard to the 2022 annual results. Register number: 20668 24/02/2023 08:45 TUBACEX, S.A. Half-yearly financial reports and audit reports/limited audit review La sociedad remite información financiera del segundo semestre de 2022 Register number: 20667 23/02/2023 19:40 TUBACEX, S.A. On corporate governance La Sociedad remite cambios en la composición de sus comisiones. Register number: 20641 Notification modified by communication number 20686 dated 24/02/2023 (12:28) 26/01/2023 18:26 TUBACEX, S.A. On corporate governance The company communicates changes in the composition of the Appointments and Remunerations Committee. Register number: 20164 05/01/2023 08:05 TUBACEX, S.A. Liquidity and counterparty agreements La Sociedad remite operaciones efectuadas al amparo de su contrato de liquidez durante el cuarto trimestre de 2022. Register number: 19879 27/10/2022 08:03 TUBACEX, S.A. On business and financial situation Company submits press release in regard to the 2022 third quarter results. Register number: 18865 Page 2 out of 15 «12345...»