CleanSpark, Inc. (Nasdaq: CLSK) ("CleanSpark" or the "Company"), a market-leading data center developer, today released its unaudited Bitcoin mining and operations update for the month ended August 31, 2026.

August 2026 Bitcoin Mining Highlights (Unaudited)

Production Metrics
Bitcoin produced	593
Peak single day bitcoin production	20.40
Average daily bitcoin production	19.12
CY2026 bitcoin produced	4,903

Fleet Metrics
Operational Hashrate1	50 EH/s
Average operating hashrate	38.3 EH/s
Peak efficiency of deployed fleet	16.07 J/Th
Deployed fleet as of August 31	201,269

Power Portfolio Metrics
GW under contract2	1.8 GW
Utilized MW3	808 MW

Bitcoin Treasury Activity
Total bitcoin holdings as of July 31	13,931
Bitcoin produced	593
Bitcoin sold at spot	(77)
Bitcoin sold pursuant to call exercises	(500)
Bitcoin sold related to delta neutral basis trade	(244)
Total bitcoin holdings as of August 314	13,703
Average price per bitcoin sold5	$65,420

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