1. snamretegas New IT platform to manage Commercial Processes New IT Platform Technological Enhancements Https connection Certification – Operating Model San Donato Milanese – Maggio 2014

2. Agenda  Objective and scope  B2B integration : Https Connection Certification  Test Scheduling  Test Book  Operating Details 2 Only for consultation - not binding

3. With reference to previous emails and news (see publications on SRG web site dated March 10 and April 30, 2014) the objective of this document is to provide details about the connectivity test’s operating model for the certification of the https protocol In particolar, this document contains:  Planning  Test Book  Operating Details For further details see also «Technical Specification».doc Objective and scope 3 Only for consultation - not binding

4. 4 A time slot for connectivity tests will be assigned to every Shipper (see attached file). If Shippers will be unavailable, there will be three recovery sessions (back-up) planned for the 25th, 26th and 27th of June. During the time slot can be made more connection attempts Daily time slot : morning : 9:30 am to 12:30 pm; afternoon : 2:00 pm to 5:00 pm. Certification for Https Connection – Planning Only for consultation - not binding

5. 5 Connection between Logistica Gas system and the Shipper systems: test cases;  If needed more test cases will be added Certification for Https Connection – Test Book IDAreaPrecondition Configuration Required DescriptionExpected Resultt 1.1 Network / Application Partner supports specs of “Annex A – Digital Certificate Parameter” HTTPS Message Exchange HTTPS Client of Partner system try to access to Logistica Gas system. Setting up of Secure connection between the two systems. 1.2 Network / Application Logistica Gas system supports security specs of Partner system HTTPS Message Exchange HTTPS Client of Logistica Gas system access to Partner system Setting up of Secure connection between the two systems 1.3 Application Partnesr are configured in way to send X12 test messages to Logistiga Gas system HTTPS Message Exchange + Document Generation Sending of a X12 test message to Logistiga Gas system Reception 1.4 Application Logistica Gas system is configured in way to send X12 test messages to Partner system HTTPS Message Exchange + Document Generation Sending of a X12 test message to Parnter system Reception Tabella: Prove di Connettività - Test Book Only for consultation - not binding

6. 6 After the connectivity test, each shipper shall send a specific message  Sender: contact point Shipper (email)  Recipient: SRG mailbox (insert address)  Subject : Shipper Name Test di connettività: test executed  Communication Text : Optional A reply will follow the above communication (Outcome Test) within the time slot scheduled for the connectivity test and in any case not later than 18.30 of the same test day.  Sender: SRG mailbox (insert address)  Recipient : contact point Shipper (email)  Subject : Shipper Name Test di connettività: connection executed  Communication Text:  OK OUTCOME (if the attempt of connection is successful)  KO OUTCOME (if the attempt of connection is not successful) Certification for Https Connection– Operating Details Only for consultation - not binding