American Bitcoin Corp.

Mining Platform Performance

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Mining revenue for Q2 2026 was ~$67.0 million, an ~8% increase from ~$62.1 million in Q1 2026. Mining production increased to ~932 Bitcoin in Q2 2026 from ~817 Bitcoin in Q1 2026. Revenue per Bitcoin mined was ~$71,900 in Q2 2026, down ~5% from ~$76,000 in Q1 2026. Revenue per Bitcoin held up better than the ~12% decline in Bitcoin price over the same period.

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Gross margin nearly held around the 50% mark in Q2 2026 despite a ~12% decline in Bitcoin price quarter-over-quarter.

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General and administrative expense was approximately $7.7 million in Q2 2026, compared with $6.9 million in Q1 2026, and remained roughly flat at approximately 11% of revenue quarter-over-quarter.

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Cost to mine was ~$36,500 per Bitcoin in Q2 2026 and held roughly flat compared to ~$36,200 per Bitcoin in Q1 2026, driven by marginally higher energy costs at selective sites.

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Completed the full energization of ~11,298 next-generation miners in April 2026, adding ~3.05 EH/s at an efficiency of ~13.5 joules per terahash (J/TH), deployed at Hut 8’s Drumheller site.

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Total owned fleet consisted of ~89,242 Bitcoin miners with ~28.1 EH/s of capacity as of quarter-end. Post-Drumheller energization, the Company’s operational fleet increased to ~58,999 Bitcoin miners producing ~25.0 EH/s at an average efficiency of ~14.1 J/TH.

Includes ~3,090 Bitcoin pledged for miner purchases under agreements with BITMAIN.

Represents the amount of Bitcoin attributable to each outstanding share of the Company’s common stock. SPS is calculated by multiplying the Company’s total Bitcoin holdings by the Satoshi conversion ratio (1 Bitcoin equals 100,000,000 Satoshis), then dividing that total by the number of shares of the Company’s common stock outstanding as of the measurement date. Number of common shares issued and outstanding reflect a 1-for-15 reverse stock split effected on July 2, 2026.