IBERSOL | Integrated Management Report | 2025

INTEGRATED MANAGEMENT REPORT 2025 With regard to the measurement of uncertain tax positions, the Group takes into account the provisions of IFRIC 23 – “Uncertain- ty regarding income taxes”, namely in the measurement of risks and uncertainties in defining the best estimate of the expenditure required to settle the obligation, by weighing all possible controlled outcomes and associated probabilities. Income taxes recognized in the years ended 31 December 2025 and 2024 are detailed as follows: dec/25 dec/24 Current tax 306 406 393 955 Deferred tax -683 738 371 638 -377 332 765 593 9.1.1. Current tax recognized in the income statements The Group’s pre-tax income tax differs from the theoretical amount that would result from applying the weighted average income tax rate to consolidated income as follows: 2025 2024 Profit before tax 14 796 067 11 762 701 Tax calculated at the tax rate applicable in Portugal (21,5%) 3 181 154 2 646 608 Tax effect generated by: Tax losses for the year without deferred tax - 2 414 392 Recognition of deferred taxes Spain 1 742 918 725 760 Tax credits/tax incentives in the year -5 732 089 -6 167 244 State surcharge 227 730 297 727 Autonomous taxation 120 641 161 373 Rate differences and other effects 82 313 686 978 Income tax -377 332 765 593 As at 31 December 2025 the effective tax rate is -3% (7% in 2024). 471