East Anglia. The remaining seven (411–417) passed to Abellio ScotRail in 2015, after being converted to three-car Class 320/4 at Doncaster Works. In 2017, ten (402, 405–410, 418–420) were transferred from Great Northern to Abellio Greater Anglia. As at May 2018 the remaining three (401, 403, 404) are to be converted by Wabtec at Kilmarnock to Class 320/4 for use with Abellio ScotRail. Another two were to follow. Class 321/9 The final batch of three Class 321 were classified 321/9 and were constructed in 1991, as an add-on to the main batches. These units had a similar formation to the earlier units except that there is no first class seating. They were ordered by Regional Railways for use on West Yorkshire Passenger Transport Executive services on the newly electrified Doncaster to Leeds route, entering service in 1993. From 1995 they also worked on Wharfedale line services from Leeds to Ilkley. In March 1997 they passed with the Regional Railways North East franchise to Northern Spirit, which became Arriva Trains Northern in April 2001. In June 1998 they were loaned to GNER to operate Leeds to London King's Cross services while its InterCity 225 fleet was grounded with mechanical issues. All three passed with the franchise to Northern Rail in December 2004. The Class 321/9 units were refurbished at Hunslet-Barclay, Kilmarnock from late 2006 to early 2007. The refurbishment included a new livery, refurbished interiors and reliability improvements, similar to the Class 322 EMUs, which were also refurbished at Kilmarnock. The units transferred to Arriva Rail North in April 2016, and then Northern Trains on 1 March 2020. With the Class 331s now in service, the Class 321/9s were transferred to Greater Anglia. They were leased to allow Greater Anglia's Class 360s to move to East Midlands Railway. All 321/9 units were scrapped in 2022. Current operations Greater Anglia First Great Eastern inherited all 66 Class 321/3 and 11 Class 321/4. The East Anglia franchise was subsequently taken over by National Express East Anglia, initially branded 'one', and then subsequently by Greater Anglia. A further 16 were added, upon release from London Midland. In 2016, ten of the sets formerly operated by Great Northern also transferred to Greater Anglia. These trains are primarily used for London Liverpool Street to , , , (extending to during peak time), , and Colchester Town but can be seen running on any electrified route if