declaration for sections with at least three consecutive saturated time slots and how to calculate penalties. (December 2020) Par. 4.3.1. Update of the terms of the allocation process (December 2021) Par. 4.3.2. Inclusion of the specification of the possibility for the IM to re-plan an assigned railway path if re-planning becomes necessary in order to reconcile as effectively as possible all path requests and if it is approved by the applicant to which the path had been assigned (requirement 4.3.1, TRA Resolution 158/2021) Par. 4.3.3. Change of time table for interim adjustment (December 2020) Par. 4.3.3. Change of time table for interim adjustment (December 2021) Par. 4.3.4. New delivery times for commercial scheduling measures (December 2021) Par. 4.4.1.1 elimination, pursuant to requirement 4.3.2. of TRA Resolution 158/2021 Par. 4.4.1.2 Adaptation of the coordination procedure to the provisions of art. 10, par. 5, of Regulation 2016/545/EU (December 2020) Par. 5.2. Adaptation of the description of the Public Information (IaP) included in the MAP to the new RFI CoP 365/RFI procedure of 01/04/2021 (December 2021) Par. 5.5.2 proposal for streamlining the process of requesting and providing customised public information (December 2020) Introduction of the description of the complementary HUB information system (December 2020) Adaptation of the description of the complementary information to the new RFI CoP 365/RFI procedure of 01/04/2021 (December 2021) Par. 6.2. reference to the methodological document sent by the IM to the TRA with a note dated 17 November 2020 (Article prot. 18147/2020). (December 2020) Par. 6.3.1. new MAP tariffs after sending the tariff proposal to TRA Par. 6.3.3.2 reference to a possible introduction of an extra MAP tariff for the PRM assistance service (December 2020) Par. 6.3.4.1. New specifications regarding customised public information. (December 2020) Introduction of the complementary HUB information system (December 2020) Par. 6.4 Alignment of the Performance Regime regulation with the provisions of the annexes to TRA Resolutions no. 70/2014 point 7.6.1 no. 76/2014 point 6.2 (December 2020) Appendices to Chapter 6 - Part B introduced a time line for the presentation of any corrections by the RUs to the paths/services reported in order to further regulate the process (updated December 2021) Appendices to Chapter 6 - Part C Alignment of the Performance Regime regulation with the provisions of the relevant regulatory changes

Par. 2.3.1.3 addition of the clarification of the force majeure clause excluded from the termination hypotheses (December 2020) Par. 2.3.2.1 Harmonised Safety Certificate presentation when signing the contract (December 2021) Par. 2.3.2.1 Safety certificate true copy delivery among the required documentation (December 2021) Par. 2.3.2.1.1. payment of the instalments relating to the ANSFISA loan, pursuant to Article 15, paragraph 2, lett. b), of Legislative Decree 50 of 14 May 2019, is one of the preparatory requirements for signing the contract harmonisation of the timing for the payment of the entire amount due, with those provided for in the ordinary process of stipulating user agreements Par. 2.3.2.2. Possibility of a security deposit of two months instead of presenting the surety (December 2020) Par. 2.3.2.3 summary and reference to the insurance regulations in the annex (updated December 2021) Par. 2.3.3.1 Specification that the information obligations towards the end user are in compliance with Reg. EC 1371/2007 Par. 2.3.3.1 Introduction of the obligation on the part of the IM and the RU to transmit complaints rejected on account of a lack of competence, in accordance with TRA Resolution 28/2021 Par. 2.3.3.3. Reference to ERA added (December 2020) Par. 2.3.3.5 New pro-market specifications relating to the process of communicating interruptions for work on the infrastructure (December 2020) Par. 2.3.3.5 introduction of communications from works of the infrastructure of the new activations 24 months prior (December 2021) Par. 2.3.3.5 specification that the missions and the date of the scheduling measures are shared with the RUs during the discussion phase during the definition of the scheduling measures Par. 2.3.3.7. Introduction of regulatory framework Update of information exchange procedure between IM and RU in order to implement the necessary initiatives to control the risks associated with the service performed (Article 5 paragraph 4 of Legislative Decree 162/07) (December 2020) Par. 2.6 In compliance with requirement 2.3.2 of TRA Resolution 158/2021 the sub-section has been updated with the inclusion of information regarding methods and costs of the verification of train /line-section compatibility Appendix 1 to chapter 2 adaptation of the User Agreement model to the regulatory changes on privacy, anti-corruption and cyber security (December 2021) Appendix 2 to chapter 2 adaptation of the Framework Agreement model to the regulatory changes on privacy and anti-corruption (December 2021) Appendix 3 to chapter 2 adaptation of the PSO transport Framework Agreement model to the regulatory changes on privacy and anti-corruption (December 2021) Appendix 3 to chapter 2 reference to the negotiation between the Applicant and the RU for the definition of the minimum quality standards and the relative penalty system Appendix 4 to chapter 2 update of the operating procedure on the public disclosure process in the event of a snow/frost emergency (December 2020) Par. 3.9. Use of line-specific values for capacity calculation and exclusion of isolated time slots from penalties according to 5.6.4. Specification on saturation