IREN Delivers Horizon 1 to Microsoft and Achieves NVIDIA Exemplar Cloud Status on GB300 NVL72

NEW YORK, Aug. 13, 2026 (GLOBE NEWSWIRE) -- IREN Limited (NASDAQ: IREN) (“IREN”) today announced that Horizon 1 has been delivered to and accepted by Microsoft, and that IREN has achieved NVIDIA Exemplar Cloud status on NVIDIA GB300 NVL72.

Horizon 1 is the first of four 50MW (IT load) direct-to-chip liquid cooled AI Cloud deployments scheduled for delivery to Microsoft at IREN’s Childress, Texas campus in 2026 under a five-year, $9.7bn cloud services contract announced in November 2025.