Emergency Maintenance: CHG1413254: Service Impact: A side services: Seoul, Korea [SL1]

Update timeline

1. identified Apr 30, 2026, 01:31 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 Singapore, SG [SGX] - Slough, UK [LD4] are impacted by this event. Services Not Impacted: A side services traversing Singapore, SG [SGX] - Slough, UK [LD4] are not impacted by this event. Location: Singapore, SG [SGX] - Slough, UK [LD4] Window Start Date/Time: FRIDAY 01MAY2026 17:00 EDT (FRIDAY 01MAY2026 21:00 UTC) Window End Date/Time: FRIDAY 01MAY2026 19:59 EDT (FRIDAY 01MAY2026 23:59 UTC) Reference #: CC61014613 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 Apr 30, 2026, 11:53 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: A side services traversing Tokyo, Japan [TY3] - Chicago, IL, USA [350C] are impacted by this event. Services Not Impacted: B side services traversing Tokyo, Japan [TY3] - Chicago, IL, USA [350C] are not impacted by this event. Location: Tokyo, Japan [TY3] - Chicago, IL, USA [350C] Window Start Date/Time: SATURDAY 02MAY2026 09:00 EDT (SATURDAY 02MAY2026 13:00 UTC) Window End Date/Time: SATURDAY 02MAY2026 19:00 EDT (SATURDAY 02MAY2026 23:00 UTC) Reference #: CC60834604 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 01, 2026, 10:31 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 Seoul, Korea [SL1] - Tokyo, Japan [CC1] are impacted by this event. Services Not Impacted: A side services traversing Seoul, Korea [SL1] - Tokyo, Japan [CC1] are not impacted by this event. Location: Seoul, Korea [SL1] - Tokyo, Japan [CC1] Window Start Date/Time: WEDNESDAY 06MAY2026 11:00 EDT (WEDNESDAY 06MAY2026 15:00 UTC) Window End Date/Time: WEDNESDAY 06MAY2026 17:00 EDT (WEDNESDAY 06MAY2026 21:00 UTC) Reference #: CC60952199 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 01, 2026, 12:47 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: 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: MONDAY 11MAY2026 12:00 EDT (MONDAY 11MAY2026 16:00 UTC) Window End Date/Time: MONDAY 11MAY2026 18:00 EDT (MONDAY 11MAY2026 22:00 UTC) Reference #: CC59562768 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 03, 2026, 02:38 AM UTC

   Description of Work: Please be advised that ICE Data Services will be performing emergency maintenance work in order to address what has been determined to be a potential service degradation issue. Impact: Loss of data flow, momentary impact, switch hits and/or increased latency. Services Impacted: A side services traversing Seoul, Korea [SL1] are impacted by this event. Services Not Impacted: B side services traversing Seoul, Korea [SL1] are not impacted by this event. Location: Seoul, Korea [SL1] Window Start Date/Time: SUNDAY 03MAY2026 01:00 EDT (SUNDAY 03MAY2026 05:00 UTC) Window End Date/Time: SUNDAY 03MAY2026 07:00 EDT (SUNDAY 03MAY2026 11:00 UTC) Reference #: CHG1413254 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