CleanSpark (CLSK) Issues September 2023 Bitcoin Mining Update

CleanSpark Inc. (Nasdaq: CLSK), America's Bitcoin Miner™, today released its unaudited bitcoin mining and operations update for the month ending September 30, 2023. The Company mined 6,903 bitcoin during its fiscal year, representing the period October 1, 2022, to September 30, 2023.

"We had our best quarter and best fiscal year ever," said CleanSpark CEO Zach Bradford. "We have a proven track record as the best operator in North America. Our efficiency is up, our energy costs are among the best in the industry, and our facilities are running at max capacity. I'm especially proud of our operational teams and leaders who, day in and day out, demonstrate grit as we outpace our peers as one of the leading vertically integrated bitcoin miners in North America."

September Bitcoin Mining Update (unaudited)

• Bitcoin mined in September: 643
• CY2023 bitcoin mined: 5,372
• FY2023 (October 1, 2022, to September 30, 2023) bitcoin mined: 6,903
• Total BTC holdings as of September 30: 2,240
• Total BTC sold in September: 80
• Deployed fleet: 88,954
• Month-end fleet efficiency: 28.4
• Current hashrate: 9.6 EH/s

The Company sold 80 bitcoin in September 2023 at an average of approximately $26,800 per BTC. Sales of BTC equated to proceeds of approximately $2.2 million. September daily BTC mined averaged 21.43 and reached a high of 22.59.

Operational update

Sandersville. The steel structure and roof for Building 1 are complete and the indoor switchgear has been placed. The structures for Buildings 2 and 3 are in progress, and indoor switchgear has been placed for Building 2. The remaining seven mining buildings are in various stages of construction, from underground conduit installations to slab concrete for the structures and transformers. No serious delays have been reported and site construction remains on track for yearend completion.

For regular updates on our progress in Sandersville, check out the Company's official X (formerly Twitter) account: https://twitter.com/CleanSpark_Inc

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