Scope: Optiq Market Data + Optiq Order Entry
EURONEXT ETF EUROPE – DRESS REHEARSALS GUIDELINES v1.0 Cash - Regulated Markets, Common File Transfer System /CFTS

In preparation for the launch of Euronext ETF Europe, planned for 29 September, Euronext will hold a Customer Dress Rehearsal (CDR) and the Go-Live weekend on Saturday, 13 September 2025 and Saturday, 27 September 2025, respectively. This document aims to provide guidance on prerequisites, timing, scope and a detailed schedule to the clients for them to prepare for the event of Saturday, 13 September 2025.