Service Advisory: INC29290608: Service Impact: A side services: Seoul, Korea [SELPAC] <-> Hong Kong [CS2]

Update timeline

1. identified May 18, 2026, 02:39 AM UTC

   Description of Work: Please be advised that ICE Data Services will be performing necessary maintenance activities in order to improve the resiliency, performance, and stability of our network. Impact: Loss of data flow, momentary impact, switch hits and/or increased latency. Services Impacted: A side services traversing Taipei, Taiwan [TW2] will be impacted for the duration of this maintenance event. Services Not Impacted: B side services traversing Taipei, Taiwan [TW2] will not be impacted for the duration of this maintenance event. Location: Taipei, Taiwan [TW2] Window Start Date/Time: FRIDAY 05JUN2026 21:05 EDT (SATURDAY 06JUN2026 01:05 UTC) Window End Date/Time: FRIDAY 05JUN2026 23:59 EDT (SATURDAY 06JUN2026 03:59 UTC) Reference #: CHG1420492 If you require any further information, please do not hesitate to contact ICE Data Services Network Operations using the details below. ICE Data Services | 24x7 Network Operations [email protected] US: +1 770 661 0010 | Europe: +44 203 808 6638 | APAC: +61 3 8593 5999 | Option 1 Please do not reply to this message. Replies to this message are routed to an unmonitored mailbox. If you have questions please contact us using the details provided above. Adjust your current notification preferences by visiting: www.ice.com/subscriptions

2. identified May 18, 2026, 02:55 AM UTC

   Description of Work: Please be advised that ICE Data Services will be performing necessary maintenance activities in order to improve the resiliency, performance, and stability of our network. Impact: Loss of data flow, momentary impact, switch hits and/or increased latency. Services Impacted: A side services traversing Sydney, Australia [ALC] will be impacted for the duration of this maintenance event. Services Not Impacted: B side services traversing Sydney, Australia [ALC] will not be impacted for the duration of this maintenance event. Location: Sydney, Australia [ALC] Window Start Date/Time: SATURDAY 06JUN2026 04:05 EDT (SATURDAY 06JUN2026 08:05 UTC) Window End Date/Time: SATURDAY 06JUN2026 07:59 EDT (SATURDAY 06JUN2026 11:59 UTC) Reference #: CHG1422149 If you require any further information, please do not hesitate to contact ICE Data Services Network Operations using the details below. ICE Data Services | 24x7 Network Operations [email protected] US: +1 770 661 0010 | Europe: +44 203 808 6638 | APAC: +61 3 8593 5999 | Option 1 Please do not reply to this message. Replies to this message are routed to an unmonitored mailbox. If you have questions please contact us using the details provided above. Adjust your current notification preferences by visiting: www.ice.com/subscriptions

3. identified May 18, 2026, 12:03 PM UTC

   Description of Work: Please be advised that an ICE Data Services Telco Vendor will be performing necessary maintenance activities in order to improve the resiliency, performance, and stability of our network. Impact: Loss of data flow, momentary impact, switch hits and/or increased latency. Services Impacted: A side services traversing Seoul, Korea [SELPAC] - Hong Kong [CS2] are impacted by this event. Services Not Impacted: B side services traversing Seoul, Korea [SELPAC] - Hong Kong [CS2] are not impacted by this event. Location: Seoul, Korea [SELPAC] - Hong Kong [CS2] Window Start Date/Time: THURSDAY 21MAY2026 08:00 EDT (THURSDAY 21MAY2026 12:00 UTC) Window End Date/Time: THURSDAY 21MAY2026 12:00 EDT (THURSDAY 21MAY2026 16:00 UTC) Reference #: CC61440955 If you require any further information, please do not hesitate to contact ICE Data Services Network Operations using the details below. ICE Data Services | 24x7 Network Operations [email protected] US: +1 770 661 0010 | Europe: +44 203 808 6638 | APAC: +61 3 8593 5999 | Option 1 Please do not reply to this message. Replies to this message are routed to an unmonitored mailbox. If you have questions please contact us using the details provided above. Adjust your current notification preferences by visiting: www.ice.com/subscriptions

4. identified May 19, 2026, 05:55 AM UTC

   Description of Work: Please be advised that an ICE Data Services Telco Vendor will be performing necessary maintenance activities in order to improve the resiliency, performance, and stability of our network. Impact: Loss of data flow, momentary impact, switch hits and/or increased latency. Services Impacted: B side services traversing Kuala Lumpur, Malaysia [AIM] - Singapore, SG [SG2] are impacted by this event. Services Not Impacted: A side services traversing Kuala Lumpur, Malaysia [AIM] - Singapore, SG [SG2] are not impacted by this event. Location: Kuala Lumpur, Malaysia [AIM] - Singapore, SG [SG2] Window Start Date/Time: THURSDAY 21MAY2026 12:00 EDT (THURSDAY 21MAY2026 16:00 UTC) Window End Date/Time: THURSDAY 21MAY2026 18:00 EDT (THURSDAY 21MAY2026 22:00 UTC) Reference #: CC61365814 If you require any further information, please do not hesitate to contact ICE Data Services Network Operations using the details below. ICE Data Services | 24x7 Network Operations [email protected] US: +1 770 661 0010 | Europe: +44 203 808 6638 | APAC: +61 3 8593 5999 | Option 1 Please do not reply to this message. Replies to this message are routed to an unmonitored mailbox. If you have questions please contact us using the details provided above. Adjust your current notification preferences by visiting: www.ice.com/subscriptions

5. identified May 19, 2026, 05:54 PM UTC

   ICE Data Services Network Operations has detected a service event as per below details: Service Event Details: Impact: Loss of data flow, switch hits and/or increased latency. Services Impacted: A side services traversing Seoul, Korea [SELPAC] - Hong Kong [CS2] are impacted by this event. Services Not Impacted: B side services traversing Seoul, Korea [SELPAC] - Hong Kong [CS2] are not impacted by this event. Location: Seoul, Korea [SELPAC] - Hong Kong [CS2] Date/Time: TUESDAY 19MAY2026 13:32 EDT (TUESDAY 19MAY2026 17:32 UTC) Reference #: INC29290608 If you require any further information, please do not hesitate to contact ICE Data Services Network Operations using the details below. ICE Data Services | 24x7 Network Operations [email protected] US: +1 770 661 0010 | Europe: +44 203 808 6638 | APAC: +61 3 8593 5999 | Option 1 Please do not reply to this message. Replies to this message are routed to an unmonitored mailbox. If you have questions please contact us using the details provided above. Adjust your current notification preferences by visiting: www.ice.com/subscriptions