According to application criterion a) if, directly or indirectly, including through subsidiaries, trustees, or intermediaries, he controls the issuer or is able to exercise a significant influence on it, or participates in a shareholders’ agreement through which one or more parties can exercise control of or significant influence on the issuer; b) if he is, or was in the previous three years, a significant representative of the issuer, one of its subsidiaries with strategic importance, or an entity that, even together with others through a shareholders’ agreement, controls the issuer or is able to exercise a significant influence on it; c) if, directly or indirectly (for example, through subsidiaries or companies of which he is a significant representative, or as a partner in a professional firm or a consultancy), he has, or had in the previous year, a significant commercial, financial, or professional relationship: > with the issuer, a subsidiary, or any of the related significant representatives; > with a party that, even together with others through a shareholders’ agreement, controls the issuer, or – if it is a company or organization – with the related significant representatives; or is, or was in the three previous years, an employee of one of the aforesaid entities; In this regard, in February 2010 the Board of Directors of Enel SpA established the following quantitative parameters applicable to the aforesaid commercial, financial, and professional relations: > commercial and financial relations: (i) 5% of the annual revenue of the company or organization of which the director has control or is a significant representative or of the professional firm or consultancy of which he is a partner and/or (ii) 5% of the annual costs incurred by the Enel Group regarding the same kind of contractual relations; > professional services: (i) 5% of the annual revenue of the company or organization of which the director has control or is a significant representative or of the professional firm or consultancy of which he is a partner and/or (ii) 2.5% of the costs incurred by the Enel Group regarding similar assignments; Exceeding such parameters should in principle preclude – unless there are specific circumstances, which should be examined concretely – the non-executive director to whom they apply from possessing the requisites of independence provided for by the Self-regulation Code. .