450In the absence of such guidelines, the framework of the Commission’s analysis must be that set out in Article 14(3) of Regulation No 139/2004 (see, by analogy, judgment of 12 December 2012, Electrabel v Commission, T‑332/09, EU:T:2012:672, paragraph 228). However, it is required to reveal clearly and unequivocally in the contested decision the elements which it took into account in setting the amount of the fine (judgment of 12 December 2012, Electrabel v Commission, T‑332/09, EU:T:2012:672, paragraph 228).