Contingent liabilities This section provides additional information and explains recent changes in the contingent liabilities as described in the consolidated financial statements for the 2017 financial year. Toll Collect arbitration proceedings. On May 16, 2018, Daimler Financial Services AG, Deutsche Telekom AG, and the Federal Republic of Germany reached an agreement to end the Toll Collect arbitration proceedings. The settlement was notarized in early July 2018 and confirmed by the arbitral tribunal, bringing the arbitration proceedings to an end. The agreed settlement amount of around EUR 3.2 billion includes services previously provided to the Federal Republic of Germany. Daimler Financial Services AG and Deutsche Telekom AG have both agreed to make final payments of EUR 550 million each. For more information, please refer to the section “Changes in the composition of the Group, transactions with owners, and other transactions.” Claims relating to charges for the shared use of cable ducts. Regarding the legal proceedings brought by Unitymedia Hessen GmbH & Co. KG, Unitymedia NRW GmbH, and Kabel BW GmbH, an appeal filed by the plaintiffs was rejected by the Düsseldorf Higher Regional Court in its ruling of March 14, 2018. An appeal was not permitted. The plaintiffs filed a complaint against the non-allowance of appeal with the Federal Court of Justice. In the parallel proceedings brought by Vodafone Kabel Deutschland GmbH, their claim now stands at approximately EUR 624 million along with another around EUR 9 million for the alleged benefit from additional interest, plus interest in each case. Consent Fee for Sprint. In connection with the agreed business combination of T-Mobile US and Sprint, T-Mobile US may be required to reimburse Sprint for 67 percent of the upfront consent and related bank fees it paid to lending banks, or USD 161 million, if the business combination agreement is terminated.