Maintenance on T1 Securities test environment

On June 6 and 9, 2025, we will be updating the Securities (INET_GATEWAY) market T1 dedicated test environment and infrastructure. On Friday, June 6, access to the test trading system will be limited during the working day. On Monday, June 9, the test trading system could be temporarily unavailable. All trades concluded on those days in the test trading system will be reset. Please note that we do not guarantee the regular delivery of the end-of-day trading and clearing reports during the first days after the scheduled server maintenance.

Additionally, please be aware that due to the maintenance, the following services will be unavailable in the test environment:

• Creation of new IDs, opening of new accounts and client codes, depositing funds and taking positions;
• WebAPI services: Clearing Terminal, Unified Client Registration, Duplicate Check for Individual Investment Accounts, Publication of iNAV benchmarks and indexes.