Systems update on 5th June 2023

Dear clients,

We remind you that the next release of trading and clearing systems of Securities, FX and Derivatives is scheduled for 05^rd of June 2023.

Click the following links for more details:

• The next release of securities and FX market systems
• Changes in the structure of SEM83A report
• Launch of FIX service for negotiated deals on Equity & Bond market
• Changes to derivatives market

On Saturday, 03^st of June 2023 the final testing will be held on production environment of Securities, FX and Derivatives markets.

Testing schedule will be announced later.

To participate in the final testing, please send a request to help@moex.com till 01^th of June 2023, 17:00 MSK in which please specify:

1. Contact person, responsible for testing

2. For Derivatives market:

• Broker
• Login and clearing register used for testing

For all Plaza2 gates and trading terminal logins participating in testing the passwords will be reset to 12345. Please set this password in the client_router.ini file for testing period.

3. For Securities and FX market:

• User IDs
• Firm IDs, if you plan to connect the whole firm for testing
• IP addresses used for testing (if it is different from current production settings).

If you don’t want to participate in testing we recommend you to disconnect your systems from production environments of all markets for that weekend (03-04 June) in order to avoid receiving test market data.