The internal operating regulations of the Board of Directors were initially approved by the Board of Directors of the Company at its meeting on 30 June 2004 and reported to the shareholders at the Annual General Meeting held on the same day.  The latest amendment was approved on 23 November 2021 and registered on 14 June 2022 with the Madrid Mercantile Registry. Likewise, the latest amendment was reported to the shareholders at the Annual General Meeting of the Company held on 28 December 2021.