Porting Process : Portugal Brief description or expansion of title Presenter’s name 24 November 2018 Presentation title

Documentation required for the porting process Portuguese Porting Documentation The following documentation must be completed and provided to the customer’s Account Executive before the order is started: Mandatory Documents – Completed by End Customer Templates Porting Form – signed by the End Customer Number Usage Statement*   *Required only when the end customer is not the same as the Colt customer Copies of Certidão de Registo Comercial (commercial registry certificate) and copy of ID card for signature validation or a Declaration of Power of Attorney – proving that the signature is legally recognised and that the person or persons who signs has the power to act according to the Certidão de Registo Comercial Provided by Customer Recent invoice from Surrendering Carrier (optional) Due to legal reasons, it is mandatory to send the original signed documents to our Lisbon office: Colt Technology Services Estrada da Outurela, 118 - Parque Holanda, Edificio B1 2790-114 Carnaxide, Portugal. 24 November 2018 Presentation title

Other relevant information There are 3 porting windows per day from Monday to Friday (local time): 09:00-12.00 14:00-17.00 18:00-21:00* *Not recommended due to limited resources, Colt cannot guarantee the availability of other Carriers in emergencies Porting cannot be scheduled without the valid order and documentation Porting is scheduled only after the service/transmission is delivered 24 November 2018 Presentation title

Reasons for Rejection Contract ownership/identification does not match Document identification number not match Number inactive at the holding provider Number is not portable (number range incomplete for example) Number in the quarantine period Changes pending at the holding provider Incorrect access type 24 November 2018 Presentation title

Port In Scenario 1 (Confirmation) Order to be raised in provisioning systems Porting form and all documentation is checked by Porting Desk If all the available information is correct, portability request is submitted to the losing operator via the web interface Wait for response from the losing operator Email sent to the Customer confirming the porting date and window Confirmation from losing operator Port in takes place on agreed date 24 November 201824 November 2018 Presentation title

Port In Scenario 2 (Rejection) Request is rejected by the losing operator Porting Desk informs the customer about the rejection and asks for the missing information Analyse the root cause of the rejection After clarification (a new, amended porting form may be required), a new request is sent to the losing Operator Wait for response from losing Operator Same as in Scenario 1 from ‘confirmation’ onward Presentation title 24 November 2018

On the porting date The Switch updates the routing codes in Colt switches during the 3 hours of the porting window and updates internal tools and databases. At the end of the portability window, the Porting Desk carries out test calls to some of the ported numbers (from the Colt network and from a MEO/Portugal Telecom line installed in our office. It is not possible to test calls from all the existing networks/carriers. Customer carries out a test. In case of any issue, the Porting Desk & Switch analyse the situation and if required 2nd Level Voice support teams are involved and/or an incident is opened with the other operator. When the porting is completed, the order is closed and the service handover is sent to the Customer. 24 November 2018 Presentation title

Teams and availability Main tasks   Contact details Availability Validation of porting orders Porting Desk Submit/Confirm/Cancel porting requests 00351 21 120 0000 during business hours Testing after porting PTLisPortabil@colt.net (09:00 -18:00) Inform Customer  Voice configuration and technical support  Switching Fault resolution Helpdesk 808 780 222/ +351 21 120 0222 TechnicalSupport.PT@colt.net 24 x 7 24 November 2018 Presentation title