MRX Participant UAT Details

Nasdaq MRX will provide participants with one final Saturday UAT session that will take place from 9:00 a.m. to 1:00 p.m. ET on August 12, 2017 with only the 50 symbols migrating to the INET platform on Monday August 14 available for testing. Specific symbols can be found in the Detailed Nasdaq MRX Symbol Migration Schedule.

All INET protocols and market data feeds will be available during this UAT session.

Below are specific scenarios that will be available during the UAT session:

• Opening Process ensues for all symbols at 9:30 a.m.
• All 50 symbols will be updated with OPRA data
• AAPL will halt at 10:00 a.m. and re-open at 10:15 a.m.

Conformance Testing

Conformance testing is required for INET FIX, SQF and OTTO in the Nasdaq Test Facility (“NTF”) environment prior to participants gaining full production access to MRX.

The NTF is available to participants 16 hours a day from Monday to Friday, 4:00 a.m. to 8:00 p.m. ET. Technical support is available during normal working hours from 8:30 a.m. to 5:30 p.m. ET. Additional details on NTF connectivity, availability, functionality and conformance testing are available in the Nasdaq Test Facility (NTF) Guide.

Production Connectivity

For participants who have not already requested production ports, the MRX Port Request Form is available and must be submitted to Nasdaq Subscriber Services to gain production access to MRX. Nasdaq Subscriber Services will provide IP and connectivity details as participants request ports.

Please contact us if you have questions or need assistance.