Summary

• ASX will conduct a business continuity plan test (BCP) in the ASX Trade production environment on Saturday 9th May 2026
• This BCP event will simulate an ASX Trade Matching Engine and FIX Drop copy Failover from the ASX Liquidity Centre (ALC) to the Secondary Data Centre (SDC)
• ALC customer equipment and all connectivity products which do not interface directly with ASX Trade Services will not be impacted
• The test period will be from 09:00 to 14:00 AEDT on Saturday 9th May 2026
• Registrations required by Friday 1 May 2026 to confirm participation in the test
• Participants are required to submit a Declaration of Participation Form following the event

The event on Saturday 9 May 2026 will be the first BCP event this year for ASX Trade and will simulate the ASX Trade Matching Engine and FIX Drop Copy feed from the ASX Liquidity Centre (ALC) over to the Secondary Data Centre (SDC). All ALC services via Liquidity Cross Connect (LCC), Redundant Teamed Connection (RTC) and Gateway-in-Cabinet (GiC) will be available.

This will provide Participants an opportunity for business continuity plan (BCP) testing to develop and practise recovery strategies test cases or switching to alternative arrangements for critical dependencies.

ASX requests and expects that all Participants attend the two scheduled BCP events each year. Vendors and AMOs will also be strongly encouraged to participate in all BCP events.

What do I need to do by when?

Registration

• Complete the Participant registration form and return to ASX Customer Technical Support (CTS) by close of business Friday 1 May 2026. Registrations will not be accepted beyond this date.
• Participants need to specify ASX Net and ALC gateway connectivity details that will be used in the test.
• Participants must liaise with their vendors prior to the test to ensure readiness.

Test Information and Conditions

• During the test the ASX TradeMatch and ASX Centre Point order books will be opened for transactional activity.
• ASX will generate a synthetic background load to support Participant testing. The load is targeted towards specific symbols. Subject to change, the symbol list is planned to cover "AMC, ANZ, BHP, BXB, CBA, CSL, FMG, MQG, NAB, NEM, RIO, RMD, STO, TCL, TLS, WBC, WDS, WES, WOW and XYZ". Participants are also encouraged to test and validate beyond the subset of symbols listed.
• Long orders in the system on Friday 8 May will be restored in ASX Trade on Saturday 9th May. ASX will cancel any existing Undisclosed and Iceberg orders prior to market open. All orders will be restored to the expected state for Monday 11 May.
• Access to the ASX Trade ITCH and OUCH services will be enabled for the test. ITCH and OUCH Participants not joining the test should ensure their sessions remain disconnected after the ASX Trade system shutdown at 20:30 AEDT on Friday 8 May until the conclusion of testing on Saturday and the rollback is completed ready for Monday 11 May.
• The test is limited to ASX Trade connections for order entry and execution; there will be no access provided to CHESS or Signal B.
• The trading date for transactions performed during the test will be Saturday 9 May 2026.
• User configuration changes made during the test, including password changes, will be rolled back at the end of the test and will not be available in production on Monday 11 May 2026.
• Transactions performed on Saturday 9 May will not be available on ASX Trade on Monday 11 May. Participants and vendors need to remove 9 May transactions from their applications on completion of the test.

Testing Schedule

For the purpose of this test and to better simulate an incident scenario, all times are approximate and may be subject to change on the day. Events will be published in real time via the System Status Page, Participants should monitor this page through the test for all updates.

A schedule of session state changes can be found via Appendix 2 - Session State Changes of this notice.

Confirmation and Declaration

• On completion of the BCP test, Participants must email CTS their test status, advising of either a successful completion or a list of outstanding issues. Confirmations can be sent as soon as these scenarios have been communicated as completed on the day, but should be sent by no later than 14:00 AEDT.
• Participants are required to declare their attendance and participation in the BCP test following the event via a Declaration of Participation Form to Customer Technical Support (CTS) by close of business Friday 22 May 2026.

Issued by

Ben Jackson - General Manager, Market Operations

Contact information

Contact Details

Customer Technical Support

cts@asx.com.au | 1800 663 053 | +612 9227 0372

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