10 per cent shareholding in Thalys, marking a general parting of ways between the two operators. Since the winter 2013 schedule, Thalys has operated services stopping at Düsseldorf Airport station. On 12 April 2014, it launched a regular service between Lille Europe and Amsterdam Centraal. At the end of March 2015, Thalys dropped the Paris – Oostende and the Paris – Brussels – Mons – Charleroi – Namur – Liège routes; this withdrawal was reportedly due to a lack of funding from the Belgian government. On 30 March 2015, Thalys was restructured as a conventional train operating company, adopting the name THI Factory, and has since operated under its own train operator certificate. Prior to this date, the ownership of Thalys' 26 multi-voltage TGVs had been divided between the four national railway operators holding stakes in the company; they were transferred to the company at this point. These changes were promoted as making Thalys a truly independent company, reducing its interactions with both SNCF and SNCB; headquarters were established in Brussels, with a branch office in Paris. On 21 March 2016, services in Germany were extended to Dortmund. In March 2018, Thalys ceased all its operations from Lille-Europe, citing disappointing demand (despite lower-than-average ticket prices) and financial results. Merger with Eurostar In September 2019, the shareholders of the cross-Channel high speed train operator Eurostar and Thalys introduced a plan to merge the two companies, named project Green Speed. Both companies already operate in France, Belgium, and the Netherlands, with Eurostar also operating in the United Kingdom, and Thalys also operating in Germany, while SNCF already held a majority stake in both operators. The project was promoted as reducing costs and providing a more seamless experience to passengers via the use of a single ticketing system and loyalty program. During September 2020, the merger between Thalys and Eurostar International was confirmed, In October 2021, it was announced that, upon the completion of the merger, it was intended for all of Thalys' services to be rebranded as Eurostar. On 28 March 2022, the European Commission approved the merger. The rebranding of Thalys services is planned to happen in 2024. To differentiate the services of the Eurostar brand, Thalys's rolling stock will retain its red livery. In April 2022, THI Factory was acquired by a new holding company, Eurostar Group; its former shareholders received a corresponding stake in the new holding company. Routes