NOTICE ADVISORY TO GALILEO USERS (NAGU) 2026007 DATE GENERATED (UTC): 2026-01-25 15:30 NAGU TYPE: OSNMA TESLA_CHAIN_RENEWAL NAGU NUMBER: 2026007 NAGU SUBJECT: OSNMA TESLA CHAIN RENEWAL ON 2026-01-28 NAGU REFERENCED TO: N/A START DATE EVENT(UTC): 2026-01-28 13:00 END DATE EVENT (UTC): 2026-01-29 13:00 SATELLITE AFFECTED: ALL EVENT DESCRIPTION: USERS ARE ADVISED THAT A TESLA CHAIN RENEWAL PROCESS IS PLANNED ON 2026-01-28 13:00 UTC AND THE CHAIN TRANSITION WILL OCCUR ON 2026-01-29 13:00. NOTE THAT FOLLOWING THE TRANSITION USER RECEIVER SHALL PREVENT USING ANY CHAIN THAT HAS BEEN SUBJECT TO THE RENEWAL PROCESS.