Overview
- The disclosure system failed just before 9 a.m. on Dec. 1, blocking company statements and prompting trading halts for roughly 80 price‑sensitive securities.
- ASX said trading and settlement systems operated normally throughout the disruption, which began easing after 11:22 a.m. as some announcements were published.
- By Dec. 2 the exchange reported all price‑sensitive announcements lodged on Dec. 1 had been submitted and published, with issuers of non‑price‑sensitive filings during the outage asked to confirm publication.
- ASX attributed the incident to a software deployment for a security upgrade, said it does not appear cyber‑related, apologised to affected companies, and will file an incident report with ASIC.
- The failure adds to ongoing regulatory scrutiny and investor concern about ASX's governance and resilience, with critics questioning progress on a multi‑year systems overhaul whose first phase is due in 2026.