[3] The contract with the Ferrovie del Sud Est for the delivery of 13 Atribo sets was signed on 12 June 2006.

From 2019, and until 2023, they were subject to a revision through the application of the DPR livery and interior arrangement, following the Trenitalia schemes.

[7] The DMUs were retired in 2020 and sold to a consortium of Modertrans Poznań and Public Transport Service.

[9] On 19 May 2009 a contract was signed with the Ferrovie Emilia Romagna for eight Atribo sets [10] to operate on the Bologna - Portomaggiore and Casalecchio - Vignola lines.

[13] The first two units were delivered on 25 and 27 June 2010, and started their operation in the West Pomeranian Regional Transport Department.

On 12 December 2013 Pesa a contract signed in Rome with Trenitalia for the supply of 40 Atribo sets with the option to purchase an additional 20.

[14] Transfer of the first unit for the Italian national carrier took place in November 2014 and the end of the supply is scheduled for July 2015.

After the line was electrified,[22] they were replaced by Newag Impuls trainsets[23] and redirected to operating local routes in the Pomeranian Voivodeship.