CleanSpark Expands Capital Strategy with Additional $100M Bitcoin-Backed Credit Capacity from Coinbase Prime (Form 8-K)

CleanSpark Expands Capital Strategy with Additional $100M Bitcoin-Backed Credit Capacity from Coinbase Prime

Proceeds to support strategic energy and compute growth

Non-dilutive capital will be deployed into accretive assets across CleanSpark's portfolio

LAS VEGAS, September 22, 2025 -- CleanSpark, Inc. (Nasdaq: CLSK), America's Bitcoin Miner® (the "Company"), today announced that it has expanded its capital strategy by increasing its Bitcoin-backed credit facility with Coinbase Prime (Nasdaq: COIN) by $100 million.

The $100 million in financing will be deployed into strategic capital expenditures, including expanding CleanSpark's energy portfolio, scaling its Bitcoin mining operations, and investing in high-performance computing (HPC) capabilities.

"We are proud to expand our relationship with Coinbase Prime as we continue to add megawatts to our portfolio and take steps toward alternative use cases for some of our data centers," said Matt Schultz, CleanSpark's Chief Executive Officer and Chairman. "We see tremendous opportunity to accelerate mining growth while simultaneously optimizing our assets, particularly those near major metro centers and in our immediate pipeline, through the potential development of high-performance compute campuses."

"We see CleanSpark's innovative approach to expanding its capital strategy as a significant step forward for growing the crypto ecosystem through focused capital deployment," said Brett Tejpaul, Head of Coinbase Institutional. "Our Coinbase Prime offering delivers robust, secure, and regulated infrastructure alongside industry leading custody management, supporting institutions as they scale their digital asset strategies."

"Delivering accretive growth using non-dilutive financing is at the core of CleanSpark's capital strategy. We are excited to expand our strategic relationship with Coinbase as our business continues to evolve, and our Digital Asset Management team will continue to drive growth and efficiency," said Gary A. Vecchiarelli, CleanSpark's Chief Financial Officer and President. "Our 'Infrastructure First' strategy has been proven historically and will further enhance shareholder value as we expand into more diversified compute opportunities."

About CleanSpark

CleanSpark (Nasdaq: CLSK), America's Bitcoin Miner®, is a market-leading Bitcoin miner with a proven track record of success. We own and operate a portfolio of data centers across the United States powered by globally competitive energy prices. Sitting at the intersection of Bitcoin, energy, operational excellence and capital stewardship, we optimize our operations to deliver superior returns to our shareholders. Optimally monetizing low-cost, high reliability electricity positions us to prosper in an ever-changing world. Visit our website at www.cleanspark.com.