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Exhibit 99.1

Riot Platforms Reports Second Quarter 2025 Financial Results, Current Operational and Financial Highlights

Riot Reports $219.5 million in Net Income and $495.3 million in Adjusted EBITDA

CASTLE ROCK, Colo., July 31, 2025 (GLOBE NEWSWIRE) -- Riot Platforms, Inc. (NASDAQ: RIOT) (“Riot” or “the Company”), a Bitcoin-driven industry leader in the development of large-scale data centers for high performance computing and bitcoin mining applications, reported financial results for the three-month period ended June 30, 2025. The accompanying presentation materials are available on Riot’s website.

“I am pleased to announce Riot’s results for the second quarter of 2025,” said Jason Les, CEO of Riot. “Strong tailwinds in the price of bitcoin contributed to Riot achieving a record $219.5 million in net income and $495.3 million in adjusted EBITDA, representing exceptionally strong results for the quarter.

“We are immensely proud of our evolution over the past several years, having built world-class capabilities in power procurement, Bitcoin mining at global scale, and infrastructure engineering, culminating in a strong position to control our destiny and maximize shareholder value. Our strategy centers on optimizing our ready-for-service power portfolio – anchored by flagship sites in Rockdale and Corsicana – while progressively shifting capacity toward high-value data centers, bolstered by our addition of hyperscale expertise through recent hires, in particular Jonathan Gibbs as Chief Data Center Officer. With a robust balance sheet, battle-hardened teams, and significant access to capital markets, we are uniquely positioned at the intersection of surging high performance computing demand and Bitcoin growth to maximize utilization of our significant power capacity, expand thoughtfully, and drive compelling long-term value for our shareholders.”

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Second Quarter 2025 Financial and Operational Highlights

Key financial and operational highlights for the second quarter include:

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About Riot Platforms, Inc.

Riot’s (NASDAQ: RIOT) vision is to be the world’s leading Bitcoin-driven infrastructure platform.

Our mission is to positively impact the sectors, networks and communities that we touch. We believe that the combination of an innovative spirit and strong community partnership allows the Company to achieve best-in-class execution and create successful outcomes.

Riot is a Bitcoin mining and digital infrastructure company focused on a vertically integrated strategy. The Company has Bitcoin mining operations in central Texas and Kentucky, and electrical engineering and fabrication operations in Denver, Colorado, and Houston, Texas.

For more information, visit www.riotplatforms.com.

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Safe Harbor

Statements in this press release that are not historical facts are forward-looking statements that reflect management’s current expectations, assumptions, and estimates of future performance and economic conditions. Such statements rely on the safe harbor provisions of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. Because such statements are subject to risks and uncertainties, actual results may differ materially from those expressed or implied by such forward-looking statements. Words such as “anticipates,” “believes,” “plans,” “expects,” “intends,” “will,” “potential,” “hope,” similar expressions and their negatives are intended to identify forward-looking statements. These forward-looking statements may include, but are not limited to, statements relating to the Company’s development of its facilities and the Company’s plans, projections, objectives, expectations, and intentions about future events and trends that it believes may affect the Company’s financial condition, results of operations, business strategy, short-term and long- term business operations and objectives and financial needs. These forward-looking statements are subject to a number of risks and uncertainties, including, without limitation: risks related to the Company’s growth, the anticipated demand for AI/HPC uses, the feasibility of developing the Company’s power capacity for AI/HPC uses, competition in the markets in which the Company operates, market growth, the Company’s ability to innovate and expand into new markets, the Company’s ability to realize benefits from its implementation of new strategies into its business, estimates of Bitcoin production; our future hash rate growth (EH/s); the anticipated benefits, construction schedule, and costs associated with the development of our mining facilities in Texas, Kentucky and elsewhere; our expected schedule of new miner

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deliveries; our access to electrical power; the impact of weather events on our operations and results; our ability to successfully deploy new miners; the variance in our mining pool rewards may negatively impact our results of Bitcoin production; our megawatt capacity under development; risks related to the Company’s inability to realize the anticipated benefits from immersion cooling; the inability to integrate acquired businesses successfully, or such integration may take longer or be more difficult, time-consuming or costly to accomplish than anticipated; or the failure of the Company to otherwise realize anticipated efficiencies and strategic and financial benefits from our business strategies. Detailed information regarding the factors identified by the Company’s management which they believe may cause actual results to differ materially from those expressed or implied by such forward-looking statements in this press release may be found in the Company’s filings with the U.S. Securities and Exchange Commission (the “SEC”), including the risks, uncertainties and other factors discussed under the sections entitled “Risk Factors” and “Cautionary Note Regarding Forward-Looking Statements” of the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2024, as amended, and the other filings the Company makes with the SEC, copies of which may be obtained from the SEC’s website, www.sec.gov. All forward- looking statements included in this press release are made only as of the date of this press release, and the Company disclaims any intention or obligation to update or revise any such forward-looking statements to reflect events or circumstances that subsequently occur, or of which the Company hereafter becomes aware, except as required by law. Persons reading this press release are cautioned not to place undue reliance on such forward-looking statements.

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For further information, please contact:

Investor Contact:
Phil McPherson
303-794-2000 ext. 110

IR@Riot.Inc

Media Contact:
Alexis Brock
303-794-2000 ext. 118
PR@Riot.Inc

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Non-U.S. GAAP Measures of Financial Performance

In addition to financial measures presented under generally accepted accounting principles in the United States of America (“GAAP”), we consistently evaluate our use of and calculation of non-GAAP financial measures such as “Adjusted EBITDA.” EBITDA is computed as net income before interest, taxes, depreciation, and amortization. Adjusted EBITDA is a performance measure defined as EBITDA, adjusted to eliminate the effects of certain non-cash and/or non-recurring items that do not reflect our ongoing strategic business operations, which management believes results in a performance measurement that represents a key indicator of the Company’s core business operations of Bitcoin mining. The adjustments include fair value adjustments such as derivative power contract adjustments, equity securities value changes, and non-cash stock-based compensation expense, in addition to financing and legacy business income and expense items. We exclude impairments and gains or losses on sales or exchanges of Bitcoin from our calculation of Adjusted EBITDA for all periods presented.

We believe Adjusted EBITDA can be an important financial measure because it allows management, investors, and our board of directors to evaluate and compare our operating results, including our return on capital and operating efficiency from period-to-period by making such adjustments. Additionally, Adjusted EBITDA is used as a performance metric for share-based compensation.  

Adjusted EBITDA is provided in addition to, and should not be considered to be a substitute for, or superior to, net income, the most comparable measure under GAAP for Adjusted EBITDA. Further, Adjusted EBITDA should not be considered as an alternative to revenue growth, net income, diluted earnings per share or any other performance measure derived in accordance with GAAP, or as an alternative to cash flow from operating activities as a measure of our liquidity. Adjusted EBITDA has limitations as an analytical tool, and you should not consider such measures either in isolation or as substitutes for analyzing our results as reported under GAAP.

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The following table reconciles Adjusted EBITDA to Net income (loss), the most comparable GAAP financial measure:

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The Company defines Cost to Mine as the cost to mine one Bitcoin, excluding Bitcoin miner depreciation, as calculated in the table below.

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