It would be instructive to read the rest of the Press release, notably (emphases mine):Brief announcement now on DfT web site: https://www.gov.uk/government/news/thameslink-deal-close-to-completion
The competition to supply trains and maintenance services for the Thameslink programme was designed and launched under the previous administration in 2008, in accordance with EU procurement procedures.
In October 2009 the previous government announced that the 2 remaining short-listed bidders were Bombardier Transportation UK Ltd with VeloCity and Siemens Plc with Cross London Trains, comprising of Siemens Project Ventures, Innisfree Ltd and 3i Infrastructure Plc. In June 2011 the Siemens-led consortium was announced as the preferred bidder for the project.
There's quite clearly a desire to distance the government from the methodology (which produced the delays) which was adopted by the previous government (ie Labour), but not the final outcome.