Judgment of the Court (First Chamber) of 16 January 2019.#European Commission v United Parcel Service, Inc.#Appeal – Merger control – Acquisition of TNT Express by UPS – Commission Decision declaring a concentration to be incompatible with the internal market and the functioning of the EEA Agreement – Econometric model developed by the Commission – Failure to disclose amendments made to the econometric model – Infringement of the rights of the defence.#Case C-265/17 P.