Stream Networks

Dear Customers, Our upstream supplier has told us about the planned maintenance below. We don't expect any downtime for our customers, but we're letting you know because services will be at risk during the maintenance window. Maintenance window Thursday 3 December 2026, 22:00 to Friday 4 December 2026, 05:00 (GMT) Location 6 Greenwich View Place, London Reason for maintenance Engineers will carry out migration work because the site at 6 Greenwich View Place is closing. No action is needed on your part. If you have any questions or notice any issues after the maintenance window, please contact our support team. Kind regards, Stream Networks Ltd

Dear Customers, Our upstream supplier has told us about the planned maintenance below. We don't expect any downtime for our customers, but we're letting you know because services will be at risk during the maintenance window. Maintenance window Thursday 19 November 2026, 22:00 to Friday 20 November 2026, 05:00 (GMT) Location 6 Greenwich View Place, London Reason for maintenance The current site at 6 Greenwich View Place is closing. All traffic will initially be rerouted through the new site at Cloud House (LHR19). No action is needed on your part. If you have any questions or notice any issues after the maintenance window, please contact our support team. Kind Regards, Stream Networks Ltd

Dear Customer, We will be carrying out scheduled BGP maintenance on our core routers as part of our ongoing core network upgrade programme. During the maintenance window, customers using broadband and MPLS services may experience a brief interruption to connectivity while BGP reconverge. We expect the interruption to last no longer than 15 minutes. Maintenance Window Start: Tuesday 17th November 2026 – 20:00 End: Wednesday 18th November 2026 – 01:00 Whilst it is important for Stream Networks to carry out maintenance such as this to ensure the ongoing performance, resilience and reliability of our network, we will do everything possible to minimise disruption. We appreciate your patience and apologise for any inconvenience this may cause. Kind regards, Stream Networks Ltd

Dear Customers, Please be advised that we will be rebooting the Voicelogic PBX platform on Thursday 29 October 2026 at 20:00 UK time (GMT). This maintenance will result in a temporary outage affecting your telephony services. We anticipate the outage will last no longer than 15 minutes, although this may be extended if any issues arise. We apologise for any inconvenience this may cause and thank you for your understanding. Kind regards, Stream Networks Ltd

Dear Customer, We will be carrying out scheduled BGP maintenance on our core routers as part of our ongoing core network upgrade programme. During the maintenance window, customers using broadband services may experience a brief interruption to connectivity while BGP reconverge. We expect the interruption to last no longer than 15 minutes. Maintenance Window Start: Wednesday 28th October 2026 – 20:00 End: Thursday 29th October 2026 – 01:00 Whilst it is important for Stream Networks to carry out maintenance such as this to ensure the ongoing performance, resilience and reliability of our network, we will do everything possible to minimise disruption. We appreciate your patience and apologise for any inconvenience this may cause. Kind regards, Stream Networks Ltd

Dear Customers, Please see the below planned maintenance impacting Core Network between Ash and Telehouse North Data Centres. Start 23rd October 2026 at 00:01 UK Local Time End 23rd October 2026 at 10:01 UK Local Time Reason for Work: A core third-party provider will be installing a new section of cable to resolve an issue that has been contributing to network degradation. Network Resilience: While our core network architecture is designed for resilience and diversity, during this maintenance period, there will be reduced resiliency during this timeframe. Kind Regards, Stream Networks Ltd

Dear Customer, We will be carrying out scheduled BGP maintenance on our core routers as part of our ongoing core network upgrade programme. During the maintenance window, customers using broadband services may experience a brief interruption to connectivity while BGP reconverge. We expect the interruption to last no longer than 15 minutes. Maintenance Window Start: Wednesday 14th October 2026 – 20:00 End: Thursday 15th October 2026 – 01:00 Whilst it is important for Stream Networks to carry out maintenance such as this to ensure the ongoing performance, resilience and reliability of our network, we will do everything possible to minimise disruption. We appreciate your patience and apologise for any inconvenience this may cause. Kind regards, Stream Networks Ltd

Dear Customer, We will be carrying out scheduled maintenance on our core switching infrastructure as part of our ongoing core network upgrade programme. We do not expect any interruption to services during this maintenance. Maintenance Window Start: Monday 5th October 2026 – 21:00 End: Monday 5th October 2026 – 22:00 Whilst it is important for Stream Networks to carry out maintenance such as this to ensure the ongoing performance, resilience and reliability of our network, we will do everything possible to minimise disruption. We appreciate your patience and apologise for any inconvenience this may cause. Kind regards, Stream Networks Ltd

Dear Customer, We will be carrying out scheduled BGP maintenance on our core routers as part of our ongoing core network upgrade programme. During the maintenance window, customers using broadband services may experience a brief interruption to connectivity while BGP reconverge. We expect the interruption to last no longer than 15 minutes. Maintenance Window Start: Tuesday 8th September 2026 – 21:00 End: Wednesday 9th September 2026 – 02:00 Whilst it is important for Stream Networks to carry out maintenance such as this to ensure the ongoing performance, resilience and reliability of our network, we will do everything possible to minimise disruption. We appreciate your patience and apologise for any inconvenience this may cause. Kind regards, Stream Networks Ltd

Dear Customer, We will be performing scheduled core BGP maintenance. This is not expected to be customer affecting. However, customers may experience brief interruptions whilst the route's are update. Kind Regards, Stream Networks

Dear Customer, We will be carrying out scheduled maintenance on the Stream Networks core network as part of our ongoing infrastructure upgrade programme. During the maintenance window, customers using our broadband and MPLS services may experience brief interruptions to connectivity while core routing services are updated and network paths reconverge. Maintenance Window Start: Wednesday 22 July 2026 – 19:00 End: Wednesday 22 July 2026 – 23:00 Whilst it is important for Stream Networks to carry out maintenance such as this to ensure the ongoing performance, resilience and reliability of our network, we will do everything possible to minimise disruption. We appreciate your patience and apologise for any inconvenience this may cause. Kind regards, Stream Networks Ltd

Dear Customer, We have been notified of planned maintenance affecting one of our resilient inter-datacentre links. No customer impact is expected; however, we are providing advance notice in line with our change management procedures. Further details are provided below. Affected Service One of Stream Networks' inter-datacentre fibre links between our London facilities. Reason for Maintenance Our dark fibre provider is carrying out essential fibre network upgrade works within the London Docklands area. Expected Impact The affected fibre link will be unavailable for the duration of the maintenance window. This link forms part of a resilient multi-path infrastructure between our London datacentres. Three additional inter-datacentre links will remain operational throughout the maintenance period and no customer impact is expected under normal operating conditions. As with any infrastructure maintenance, there remains a small risk of unforeseen issues. Our engineering team will monitor the network throughout the maintenance window and respond accordingly should any unexpected service impact occur. If you have any questions regarding this maintenance, please contact the Stream Networks support team.

Dear Customer, We will be carrying out scheduled maintenance on one of the core routers within the Stream Networks backbone to enable additional 100Gbps network capacity as part of our ongoing core network upgrade programme. During the maintenance window, customers using broadband services may experience a brief interruption to connectivity while the router is restarted and network services reconverge. We expect the interruption to last no longer than 15 minutes. Maintenance Window Start: Thursday 9 July 2026 – 19:00 End: Friday 10 July 2026 – 01:00 Whilst it is important for Stream Networks to carry out maintenance such as this to ensure the ongoing performance, resilience and reliability of our network, we will do everything possible to minimise disruption. We appreciate your patience and apologise for any inconvenience this may cause. Kind regards, Stream Networks Ltd

Dear Customer, We will be carrying out scheduled maintenance to introduce an additional transit connection into our core network, further enhancing the resilience and capacity of our network infrastructure. During the maintenance window, customers may experience brief interruptions to connectivity while network routing reconverges. Maintenance Window Start: Wednesday 8 July 2026 – 21:00 End: Thursday 9 July 2026 – 03:00 Whilst it is important for Stream Networks to carry out maintenance such as this to ensure the ongoing performance, resilience and reliability of our network, we will do everything possible to minimise disruption. We appreciate your patience and apologise for any inconvenience this may cause. Kind regards, Stream Networks Ltd

Dear Customer, We have been notified of planned maintenance affecting one of our resilient inter-datacentre links. No customer impact is expected; however, we are providing advance notice in line with our change management procedures. Further details are provided below. Affected Service One of Stream Networks' inter-datacentre fibre links between our London facilities. Reason for Maintenance Our dark fibre provider is carrying out essential fibre network upgrade works within the London Docklands area. Expected Impact The affected fibre link will be unavailable for the duration of the maintenance window. This link forms part of a resilient multi-path infrastructure between our London datacentres. Three additional inter-datacentre links will remain operational throughout the maintenance period and no customer impact is expected under normal operating conditions. As with any infrastructure maintenance, there remains a small risk of unforeseen issues. Our engineering team will monitor the network throughout the maintenance window and respond accordingly should any unexpected service impact occur. If you have any questions regarding this maintenance, please contact the Stream Networks support team.

Hi All, We will be upgrading the backup links on our Cloud infrastructure. Maintenance is not expected to impact services, although brief interruptions may occur. Kind Regards, Stream Networks

Dear Customer, We will be performing scheduled BGP maintenance on our LNS infrastructure. This is not expected to be customer affecting. However, customers may experience brief interruptions whilst routes update. Kind Regards, Stream Networks

Dear Customer, We will be performing scheduled BGP maintenance on our backup path to our Data Centre in Newbury. This is not expected to be customer affecting. However, customers may experience brief interruptions whilst the route's are update. Kind Regards, Stream Networks

Hi All, Our upstream carrier will be performing maintenance on the NNI. As a result, services traversing this link will experience disruption during the maintenance window Kind Regards, Cleiton

Dear Customer, We will be performing scheduled BGP maintenance to our Data Centre in Newbury. This is not expected to be customer affecting. However, customers may experience brief interruptions whilst the route's are update. Kind Regards, Stream Networks

Dear Customer, We have received the following maintenance notification affecting our data centre in Newbury. Services Affected: IP Services between Newbury and Ash Data Centres Maintenance Window: Start 20th March 2026 23.00 End 20th March 2026 23.59 Reasons for Maintenance: As part of our commitment to improving network service, we are upgrading our current 10G link. Network Resilience: While our core network architecture is designed for resilience and diversity, during this maintenance period, there will be reduced resiliency during this timeframe Customer Experience: Our proactive measures will ensure that there is no degradation in the quality of the network services. Our systems are set to automatically adjust routing to maintain service continuity throughout the work.