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MARAMARA Holdings

Crypto · Financial Services · Nasdaq
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Earnings releases

Latest results release: Nov 9, 2026

8-K item 2.02, exhibit 99
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Nov 9, 2026
Financial and Operational Discussion 9
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13
21 documents, oldest Nov 9, 2023

What MARA's management wrote with each quarter's results: the press release and, when the company files them, its prepared remarks or the call transcript. The call itself is not filed with SEC, so most quarters have the release only.

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Press release Nov 9, 2026 · EX-99.1

Financial and Operational Discussion 9

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Contents To Our Shareholders 3 Financial and Operational Discussion 9 Earnings Webcast and Conference Call 15 Statements of Operations 16 Investor Notice 19 Forward-Looking Statements 19

Adjusted EBITDAincreasedto$857.7 million INQ3 2026 compared to$395.6 millioninQ3 2025.

Energized hashrate("EH/s")increased18% TO71.2EH/S INQ3 2026 from60.4EH/s inQ3 2025.

Bitcoin built the foundation. Power created the opportunity. Our strategy now is simple: maximize the value of every megawatt ("MW") we control. In Q3 2026, we started transforming the platform we have assembled into a business designed to produce durable, contracted returns. Over the past several years, MARA has built a difficult-to-replicate portfolio of powered assets, operating infrastructure, and technical capability. Our priority now is to convert those advantages into signed customer agreements, completed projects, and durable free cash flow. The Quarter: Progress on Many Fronts A lease does not start with a signature. It starts with power, a buildable site, a capable partner, and a financeable customer. This quarter, we advanced each of those pieces. • Sites and development: Since the end of last quarter, we have made great progress and our discussions with tenants are in advanced stages. Our engineering and operations teams have hosted prospective tenants across nearly all of our sites and we feel particularly proud of the development team's progress at Kearney, where pre- development is well advanced . While we are targeting signing two leases before year-end, market conditions are fluid and that timing could slip into next year. We will continue to advance the power, permitting, site, and financing work required to support these agreements and look forward to updating the market as we have news to share. • Power: At Long Ridge, we recently received FERC approval , and we expect to close the transaction in the coming weeks, subject to customary conditions. We are excited to add a highly efficient natural gas plant to our portfolio that is currently authorized to sell 485 MW and expected to increase to the full 505 MW nameplate capacity in the first half of 2027. Long Ridge will not only immediately strengthen our financial profile with contracted cash flows from power generation but also provides us over 1,600 contiguous acres with access to power, water, fiber, and rail, supporting a premier data center campus. Together with our existing Bitcoin mining operations at the site, we will have over 1 GW of total potential capacity. We look forward to completing the transaction and beginning the next phase of Long Ridge’s development as part of our strategy to expand into data center infrastructure. In addition, we advanced our power portfolio by securing the rights to develop a site in Matagorda County, Texas with up to 2 gigawatts ("GW") of power capacity. The site was recently classified as a studied load by ERCOT in the Batch Zero process and we are working with the utility to bring power online. Any payments to the sellers are contingent on power being approved and, to date, we have made none. • Exaion signed a four-year $79M GPU-as-a-service contract on 100% take- or-pay terms with its first US customer. Customer demand has built a pipeline of over $3 billion in total contract value, with approximately $1 billion of that targeted for delivery by the end of 2027. These are indications of demand and are not yet contracted or committed. • After quarter-end, our Board of Directors authorized a share repurchase program of up to $500M of our common stock , which reflects the Board’s and management’s confidence in our long-term strategy and gives us an additional tool to enhance shareholder returns. In the current environment, we are always looking to deploy our capital where it can earn the highest and best return, and at times that may mean repurchasing our shares. While markets have declined, bitcoin has remained resilient, and our balance sheet gives us the flexibility to act on those opportunities when they arise. We intend to use it deliberately, in the way that creates the most advantage for our

SHAREHOLDER LETTER Q3 2026 4 shareholders. We have spent years building a differentiated portfolio spanning power, land and compute, and we remain focused on turning that foundation into contracted returns and durable free cash flow. We will stay disciplined in how we allocate capital, deploying it where we believe it can create the greatest value for you. Under the program, we may repurchase shares from time to time through open market purchases, privately negotiated transactions or other means in accordance with SEC regulations. The timing and amount of any repurchases will depend on market conditions, share price, capital availability and other factors, and the program does not obligate us to repurchase any particular amount and may be modified, suspended or terminated at any time. • After quarter-end, we repaid $750M of BTC-backed debt with proceeds from Bitcoin sales. The repayment released all BTC that had been pledged as collateral, leaving less than 5% of our BTC holdings loaned or pledged . Together with the $1.4 billion , or 37% of total debt reduced since the beginning of the year, this repayment decreased our exposure to bitcoin price volatility. We intend to continue using bitcoin to build cash for purposes such as AI infrastructure opportunities, to satisfy the puts on our convertible notes that become exercisable next year, and potential share repurchases. To put these milestones in context, it helps to start with the market in which we are building. The Market Investor sentiment toward AI infrastructure has become more cautious as the market assesses the pace of AI adoption, community opposition, higher financing costs, and the credit structures behind some projects. These issues matter, but they have not reduced the need for power. Our customer conversations show that demand remains strong and increasingly favors sites that can deliver power on a credible schedule. Customers are also asking about capacity in locations once considered peripheral, including our international portfolio. What has changed is that the market is applying a higher standard. Customers need power, land, permits, financing, and a development partner who can meet a committed schedule. Lenders and investors are applying the same test. That environment favors MARA. MARA built our platform around these requirements. Bitcoin mining gave us deep expertise in power, infrastructure and large-scale compute, and it is where we cut our teeth acquiring powered land. Today, we own and operate approximately 1 GW across a diversified portfolio of sites in the US and international markets. Subject to the closing of Long Ridge and energization of Matagorda, we expect that portfolio to reach over 4 GW. As AI and HPC demand grows, power-ready infrastructure has become the critical constraint. New generation and transmission take years to build, and permitting and community opposition can stretch the timeline further. Customers are paying a premium for sites that are already energized or have a credible path to near-term power. That makes what MARA has built significantly more valuable. That shift has shaped how we are evolving the business. Where We Are Now We are evolving into an energy-backed digital infrastructure enterprise spanning power, land, and compute. It is important to remember that this is not a pivot away from bitcoin. Bitcoin remains our operating foundation and a flexible way to monetize power while we develop higher-value infrastructure opportunities. Our strategic advantage is optionality: we can deploy each megawatt toward the use that creates the greatest risk-adjusted return. SHAREHOLDER LETTER Q3 2026 5 We see three transformational paths to value: • Bitcoin mining remains a core business. It generates cash flow, keeps energized sites productive, and gives us flexibility as other infrastructure is developed. • AI and HPC infrastructure put our proposition of Speed, Certainty and Reliability into practice, converting powered land into long-duration, contracted infrastructure for hyperscalers and other large compute customers. • Exaion provides private cloud infrastructure, inference and GPU-as-a-service, enabling MARA to capture the full value stack all the way up to the enterprise customer, maximizing the value of every electron while moving up the value and margin curve. Why MARA is Positioned to Win Three advantages set MARA apart. We have the power and the ability to scale. Once we complete the first phase of a campus, most of the hard work on land, interconnection, permitting, and campus infrastructure is behind us. A customer that begins with 200 MW may ultimately want 400 MW, 600 MW or more, and we increase the value of the site without starting over somewhere else. Large campuses can also host a mix of customers (hyperscalers, AI cloud providers and direct enterprise workloads), which improves utilization and economics. We can serve the full range of customers. MARA plus Exaion gives us capabilities across the full compute stack, from powered infrastructure and traditional colocation to private cloud and AI services. We can lease infrastructure to a hyperscaler at a lower yield on cost or accept more risk for a higher return with frontier model providers and others. We are open to new technology solutions that help our customers. And Exaion gives us a footprint and leverage in Europe and Canada, where it can be harder for a U.S. company to go directly. We watched as aggressive pricing, rising rates, and uncertain delivery schedules eroded project economics for others. That experience reinforced our decision to prioritize contracts that can be financed and delivered at acceptable returns. In our experience, waiting has improved the terms available to us . SHAREHOLDER LETTER Q3 2026 6 Subject to closing, required approvals and customary conditions. Descriptions are forward-looking and may change. Exaion Our future business model already has traction, and it integrates the entire MARA enterprise stack. As we build out our digital infrastructure platform, Exaion gives us the opportunity to capture a greater share of the value chain, from providing power and infrastructure to providing the compute and cloud services that run on top of it. Over time, that creates the potential for MARA to participate in higher-margin AI compute services, enhancing the margin per megawatt while leveraging the same underlying power and infrastructure assets at the foundation of our strategy. Exaion takes MARA above the infrastructure layer. It provides private cloud infrastructure, open-weight model orchestration, and inference as a service for customers who need greater control over their data, infrastructure, and jurisdiction. Those needs are especially important for governments, regulated industries and enterprises in Europe, and other markets where sovereignty and security shape technology decisions. Exaion also lets us share in the value created by the compute itself. Its operating model can utilize GPUs across their lifecycle, extending their utility and cash flow well beyond initial contract durations. That improves utilization and returns across the life of the asset. This is no longer simply a future-state thesis. We now have an early proof point with Exaion recently signing a major GPU- as-a-service contract with total contract value of $79 million over four years, on 100% take-or-pay terms. The customer commits to pay for the capacity whether or not it uses it, which gives us predictable, contracted revenue for the life of the agreement. This agreement is also a signal of demand. Exaion’s customers and prospects have expressed demand for more than 30 MW of compute capacity for delivery by the end of 2027. We view this contract as an early proof point of the model we are building: MARA provides the energy-backed infrastructure, and Exaion turns it into compute and cloud services. This is how we intend to move up the value chain: not by trying to own every layer on our own, but through strategic partnerships. That gives us a unique, differentiating right to win. Bitcoin Mining All of this rests on the business that built MARA, which remains core to our strategy. SHAREHOLDER LETTER Q3 2026 7 The competencies it takes to run a large mining fleet (power procurement, modular deployment, infrastructure optimization and real-time load management) are the same competencies that digital infrastructure tenants require. Modular deployment is a good example. It lets us bring capacity online faster than a traditional build and at lower cost, which matters to customers who need compute up and running quickly. We believe MARA is one of the largest operators of modular Bitcoin mining digital infrastructure in the United States, and we intend to apply that experience as we transition towards AI/HPC. We continue to modernize the fleet where the gain in efficiency and the expected payback justify the investment. When equipment pricing is weak, we have been selective, acquiring machines that raise output without increasing total mining power consumption. We weigh each of these investments against the timing of the next halving and the payback over the full cycle. Our objective is to increase computing output within the existing electrical footprint, and to preserve the option to direct power to the use that offers the best risk-adjusted return. At some sites, that will remain Bitcoin mining. At others, contracted AI/HPC infrastructure may be the better long-term use. We do not have to choose one or the other. Vertebrai We recently launched Vertebrai, MARA's flexible computing platform built on nearly a decade of running power-intensive computing across energy markets. Power and demand rarely arrive at the same time, and Vertebrai's software decides, moment to moment, where power should go. It absorbs power that would otherwise sit idle or sell at a loss, then scales back when the grid needs that power elsewhere. Based on the site's settlement data, April 1 to September 30, 2026. Percentages are shares of potential generation. "Without Vertebrai" assumes all potential generation during economic curtailment periods, mostly hours when real-time prices were negative, would have been curtailed. Vertebrai's on-site computing used 53% of that energy. We proved it first at our own wind farm in Hansford County, Texas. From April through September 2026, we estimate that Vertebrai helped our Texas wind farm cut curtailment by more than half. Without Vertebrai, an estimated 46% of potential wind generation would have been curtailed. By using on-site computing to absorb power that otherwise would have gone unused, Vertebrai reduced that figure to 22%, putting more of the farm’s generation to productive use and creating an additional source of revenue. SHAREHOLDER LETTER Q3 2026 8 We now see a similar opportunity with data center developers, who often secure power 18 to 24 months before their facilities can use it while paying for a minimum share of it regardless. With Vertebrai now live, we are focused on bringing this model to additional power producers and data center developers. Balance Sheet and Capital Allocation Each of these priorities depends on a strong balance sheet. Our balance sheet has to support the obligations we have today and the opportunities we are building for tomorrow. So we manage cash, bitcoin, debt, and access to capital as parts of one balance sheet. Since the beginning of the year, we have reduced our total debt by $1.4 billion , or 37% . We view bitcoin as a strategic asset and a source of financial flexibility. Depending on market conditions and the expected return on the use of proceeds, we may hold it, monetize a portion, or borrow against it. That capital can support operations, reduce debt, fund acquisitions, or advance projects we believe will increase long-term shareholder value. We used this flexibility earlier in the year to repurchase convertible notes at a discount, and we continue to monitor the put dates on our remaining obligations. We will keep balancing growth against leverage and dilution. The Starwood model reduces the corporate equity required for qualifying data center projects, and our bitcoin holdings and other sources of liquidity add capacity. We expect our direct spending to stay focused on site control, interconnection, development work, targeted infrastructure upgrades, and selected project equity where the prospective return warrants it. The capital markets remain open for well- structured developments. We price each project to reflect the customer’s credit, the support available from a parent or technology provider, and the financing needed to build the facility. Looking Ahead The next stage will be measured by execution. Demand for compute capacity remains strong, but the market is becoming more selective about how that demand is financed and delivered. We believe that selectivity is constructive. It should favor companies with real power, credible sites, strong partners, and the patience to structure projects properly. MARA has spent years building exactly that. When we think about MARA’s future, the opportunity is bigger than monetizing the megawatt. It is about increasing the value we can capture from that megawatt as we move from power to infrastructure to compute, and ultimately to fully integrated cloud solutions. We entered 2026 focused on expanding the platform. We are ending the year focused on converting that platform into contracted leases and free cash flow. Bitcoin built the foundation and our power portfolio broadened the opportunity. Our partnerships expand the ways we can capture value from each megawatt. Our responsibility now is to execute with discipline and to show you the returns these assets can produce. Thank you for your continued support. MARA Chairman & CEO

Highlights – O ur energized hashrate was 71.2 EH/s, increasing 18% from 60.4 EH/s as of Q3 2025 . – Revenue was $164.2 million , a decrease of 35% from $252.4 million in Q3 2025 . – W e held 34,012 BTC (including digital assets - receivable, net) and produced 2,247 BTC at an average price of $71,688 . We sold 3,891 BTC at an average price of $75,300 . – Total blocks won increased 2% to 644 from 633 in Q3 2025 . – Our cost per kWh was $0.04 for our owned sites. Purchased energy cost per bitcoin was $39,674 , slightly up from $39,235 in Q3 2025 . – Cost per petahash per day improve d 2% to $30.8 from $31.3 in Q3 2025 . – Net income was $632.1 million , or $1.28 per diluted share, compared to $123.1 million , or $0.27 per diluted share, in Q3 2025 . Net income during the quarter includes an $885.3 million gain related to the fair value of digital assets. – Adjusted EBITDA was $857.7 million , compared to $395.6 million in Q3 2025 . – $3.8 billion of combined unrestricted cash and cash equivalents and BTC (including bitcoin loaned or pledged as collateral) – Loaned 1,408 BTC under our digital asset management strategy, generating approximately $2.5 million of interest income for the quarter . – We advanced our power portfolio by securing the rights to develop a Matagorda County, Texas site with up to 2 GW, structured so that payments follow regulatory approvals and development progress. The site was classified as a studied load by ERCOT in the Batch Zero process. After quarter- end, we obtained a $100.0 million letter of credit for the interconnection study deposit. – After quarter-end, we received FERC approval for our Long Ridge acquisition, which we expect to close by year end. Once completed, Long Ridge is expected to generate significant adjusted EBITDA, with roughly 70% of its output under long-term contracts. – After quarter-end, w e sold 13,597 bitcoin around $81,039 , with proceeds of approximately $1.1 billion . We used $750.0 million to fully repay our Bitcoin- collateralized term loans. The repayment resulted in the return of 17,477 bitcoin previously pledged as collateral. – Year to date, we deleveraged our balance sheet by reducing $1.4 billion , or 37% of total debt. – After quarter -end, our Board authorized MARA’s share repurchase program of up to $500.0 million , reflecting confidence in our long-term strategy and adding a tool to enhance shareholder returns. Third Quarter Production Highlights

1. Defined as the total amount of block rewards including transaction fees that MARA earned during the period divided by the total amount of block rewards and transaction fees awarded by the Bitcoin network during the period. 2. Defined as the amount of hashrate that could theoretically be generated if all miners that have been energized are currently in operation including miners that may be temporarily offline. Hashrates are estimates based on the manufacturers’ specifications. All figures are rounded.

SHAREHOLDER LETTER Q3 2026 10 REVENUE Revenue was $164.2 million , a decrease of $88.2 million , or approximately 35% , from $252.4 million in the prior year period. Bitcoin mining revenue accounted for $83.1 million of the decrease. A 37% decline in the average price of bitcoin mined lowered revenue by $94.8 million , partially offset by an $11.7 million benefit from higher bitcoin production. We produced an average of 24.4 BTC per day, up from 23.3 BTC in Q3 2025 , resulting in 2,247 BTC mined compared to 2,144 or 5% more BTC mined year- over-year. Blocks won also increase d 2% over the same period. *Average Price of BTC over the quarter NET INCOME We reported net income of $632.1 million , or $1.28 per diluted share, compared to net income of $123.1 million , or $0.27 per diluted share, in the third quarter of 2025 . The $508.9 million increase in net income was primarily driven by an $885.3 million unrealized bitcoin mark-to- market gain in Q3 2026 , compared to a $343.1 million gain in the prior year period, representing approximately $542.2 million year-over-year change, reflecting a 27% improvement in BTC price during the quarter . This chart illustrates the close relationship between the mark-to- market impact on the company's bitcoin holdings relative to its reported net income (loss). SHAREHOLDER LETTER Q3 2026 11 PURCHASED ENERGY COSTS We define purchased energy costs as the amount paid to power providers for power consumed related to our owned Bitcoin mining operations. Our purchased energy costs were $48.1 million , compared to $43.1 million in the prior year period. The 12% increase was primarily driven by the growth of our owned mining operations through a site acquisition during the year and increased utilization of capacity at our newest Central Nebraska and our Central Ohio sites, partially offset primarily by weather-related downtime at certain sites. Total energized hashrate increased 18% to 71.2 EH/s from 60.4 EH/s in Q3 2025 , primarily through improvements in miner efficiency. Our owned sites maintained a cost per kWh of $0.04 . Purchased energy cost per bitcoin for our owned and operated sites was $39,674 , compared to $39,235 in Q3 2025 , primarily driven by higher power costs and global network difficulty outpacing our hashrate growth. OPERATING AND MAINTENANCE COSTS Operating and maintenance costs were $21.5 million compared to $26.3 million in the prior year period, a decrease of $4.8 million . The decrease was primarily due to realized gains from energy derivative contracts and lower shipping costs, partially offset by higher site and miner repair and maintenance costs. THIRD-PARTY HOSTING AND OTHER ENERGY COSTS Third-party hosting and other energy costs primarily consist of colocation services related to third-party hosted sites. Third-party hosting and other energy costs were $71.5 million , compared to $75.7 million in Q3 2025 , a $4.2 million decrease driven by lower hosting costs, partially offset by higher energy consumption at certain third- party hosted sites. Our most significant third-party hosting arrangements, representing approximately 29% of our total energy capacity, are scheduled to expire, beginning in the third quarter of 2027 and expected to fully conclude during the first quarter of 2028. These expirations are expected to eliminate third-party hosting costs and improve our cost per kWh over time as the arrangements expire. COST PER PETAHASH Our cost per petahash per day improve d 2% to $30.8 from $31.3 in Q3 2025 , and has improved 20% over the past eight quarters. GENERAL AND ADMINISTRATIVE General and administrative ("G&A") expenses were $75.8 million compared to $85.3 million in the p rior year period. The $9.5 million or 11% decrease primarily reflects a $9.8 million reduction in stock- based compensation expense. This was partially offset by G&A SHAREHOLDER LETTER Q3 2026 12 expenses from the operating costs of our recently acquired majority- owned subsidiary, Exaion, and administrative costs supporting our expanded footprint. DEPRECIATION AND AMORTIZATION Depreciation and amortization was $150.9 million , a $16.5 million decrease compared to the prior year period. The 10% decrease was driven by lower depreciation as certain mining rigs reached the end of their useful lives. ADJUSTED EBITDA Adjusted EBITDA increased to $857.7 million , *including BTC loaned, actively managed or pledged as collateral up 117% , from $395.6 million compared to Q3 2025 . The increase was primarily driven by a mark-to-market change in the fair value of digital assets, primarily reflecting a larger increase in bitcoin prices during the quarter . BALANCE SHEET At quarter end, we held 34,012 bitcoin, including 19,260 bitcoin loaned or pledged as collateral. During Q3 2026 , we mined 2,247 BTC. As of September 30, 2026 , our BTC holdings were valued at approximately $2.8 billion based on a spot price of $83,556 per bitcoin. 15,133 BTC sold to retire ~$1.0B of converts Cash and cash equivalents totaled $946.5 million , up from $547.1 million as of December 31, 2025 . Combined, our balance of cash and BTC (including bitcoin loaned and pledged as collateral) was approximately $3.8 billion at quarter e nd. In July, we sold 3.8 million shares of common stock representing our year- to-date ATM usage. We had approximately $1.5 billion of capacity remaining as of September 30, 2026 . We believe our existing liquidity resources provide us with sufficient flexibility to meet our obligations and fund our growth initiatives over the next twelve months and beyond.

*including BTC loaned, actively managed and p ledged as collateral DIGITAL ASSET MANAGEMENT We held a total of 34,012 bitcoin, including 19,260 bitcoin that were loaned or pledged as collateral. As such, approximately 57% of our total holdings were activated through our digital asset management strategy. Under our lending arrangements, a total of 1,408 bitcoin were loaned to counterparties, generating approximately $2.5 million of interest income during the quarter .

MARA's BTC Holdings As ofSeptember 30, 2026 Quantity ─────────────────────────────────────────── Bitcoin, unrestricted 14,752 Bitcoin - Receivable Bitcoin - Loaned 1,408 Bitcoin - Pledged as Collateral 17,852 19,260 Total 34,012

For the nine months ended September 30, 2026 , we sold approximately 26,984 bitcoin for $1.9 billion in proceeds. Subsequent to quarter- end, w e sold 13,597 bitcoin at approximately $81,039 , with proceeds of approximately $1.1 billion . In 2025, we changed our strategy to permit sales of bitcoin generated from operations and in 2026 we expanded this strategy to allow for sales of bitcoin held on our balance sheet. We expect to continue to monetize bitcoin to enhance our financial flexibility, including to provide liquidity or to fund capital projects and other initiatives that we believe enhance long-term shareholder value, subject to market conditions and our capital allocation priorities. CAPITAL ALLOCATION During the quarter, we entered into $750.0 million of Bitcoin-collateralized borrowings, consisting of $600.0 million of new capital and $150.0 million that refinanced an existing facility, to fund the Long Ridge acquisition. Subsequent to quarter end, we fully repaid the loans, releasing all bitcoin previously pledged as collateral. We borrowed against bitcoin while it was trading around $64,000, and after quarter-end, sold 13,597 bitcoin at an average price of approximately $81,039 , generating $1.1 billion in proceeds. Disciplined and patient execution enabled us to capture an estimated net benefit of $170.0 million. Since the beginning of 2026, we have deleveraged our balance sheet by $1.4 billion , or 37% of total debt, lowering our exposure to bitcoin price volatility while funding the ac quisition on a non-dilutive basis. By using our bitcoin to fund Long Ridge and then reduce leverage, we put our digital assets to work while strengthening our balance sheet. Alongside lending and monetization, Bitcoin- backed financing remains one more tool we have and can use in the future to support growth with the same discipline.

SHAREHOLDER LETTER Q3 2026 14 After the quarter-end, our Board of Directors authorized MARA’s share repurchase program of up to $500.0 million of our common stock. It reflects the Board’s and management’s confidence in our long-term strategy and is an additional tool in our capital allocation toolkit to enhance shareholder returns. Under the program, we may repurchase shares from time to time through open market purchases, privately negotiated transactions or other means in accordance with SEC regulations. The timing and amount of any repurchases will depend on market conditions, share price, capital availability and other factors. The program does not obligate us to repurchase any particular amount and may be modified, suspended or terminated at any time. Every capital decision we make follows the same discipline: deploy capital where we believe it can create the greatest value for you. Power remains the foundation of our strategy. We have built a portfolio of approximately 1.9 GW, with a clear path to 4.8 GW. We have secured the foundation of MARA's digital infrastructure transformation. With power, partners, and capital in place, we are executing our strategy to deliver long term shareholder value. MARA Chief Financial Officer

MARA will hold a webcast and conference call today, November 9, 2026 , at 5:00 p.m. Eastern Time ( 2:00 p.m. Pacific Time ) to discuss its financial results for the quarter ended September 30, 2026 . To register to participate in the conference call or to listen to the live audio webcast, please use this link. The webcast will also be broadcast live and available for replay via the investor relations section of our website. Earnings Webcast and Conference Call Details Date: Monday, November 9, 2026 Time: 5:00 p.m. Eastern Time ( 2:00 p.m. Pacific Time ) Registration link: LINK If you have any difficulty connecting with the conference call, please contact MARA's investor relations team at ir@mara.com About MARA MARA Holdings, Inc. (NASDAQ: MARA) is a global, energy- backed digital infrastructure enterprise. We acquire, develop, and operate scarce powered assets at scale, with 1.9 GW of energized capacity today across nearly 20 sites on 4 continents, and a clear path to approximately 4.8 GW. Our vertically integrated model spans power, land, and compute, designed to deliver the speed, certainty, and reliability that AI, HPC, cloud, and enterprise customers need. Backed by almost a decade of operating power-intensive compute at industrial scale, Bitcoin mining is our operating foundation, providing a source of flexibility and keeping sites operating and generating revenue while we develop higher-value infrastructure paths. For more information, visit www.mara.com, or follow us on:

MARA Company Contacts: Telephone: 1.800.804.1690 Email: ir@mara.com MARA Media Contact: Email: mara-jf@joelefrank.com

MARA Holdings, Inc. and Subsidiaries Condensed Consolidated Statements of Operations (unaudited)

SHAREHOLDER LETTER Q3 2026 18 (1) Non-GAAP Financial Measures. In order to provide a more comprehensive understanding of the information used by our management team in financial and operational decision-making, we supplement our Condensed Consolidated Financial Statements that have been prepared in accordance with generally accepted accounting principles in the United States ("GAAP") with the non- GAAP financial measure of Adjusted EBITDA. The Company defines Adjusted EBITDA as GAAP net income (loss) plus adjustments to add back the impacts of (1) interest, (2) income taxes, (3) depreciation and amortization and (4) adjustments for non- cash and/or non-recurring items, which currently include (i) stock- based compensation expense, (ii) change in fair value of derivative instrument, (iii) impairment of goodwill and other assets, (iv) restructuring costs, (v) acquisition and integration costs, (vi) litigation settlement, (vii) net gain from extinguishment of debt, (viii) net gain on investments, and (ix) early termination expenses. Management uses Adjusted EBITDA, together with the supplemental information provided herein, to understand, manage and evaluate business performance and to inform operating decision-making. The Company relies primarily on its Condensed Consolidated Financial Statements to evaluate financial performance and uses non-GAAP financial measures only supplementally. We believe that Adjusted EBITDA is useful to us and to our investors because it excludes certain financial, capital structure and/or non-cash items that we do not believe directly reflect our core operations or may not be indicative of our recurring operations. These items may vary significantly over time and across companies within our industry independent of core operating performance. We believe that excluding these items allows for more meaningful period-over-period comparisons and improved comparability relative to other companies. Adjusted EBITDA is not a recognized financial measure under GAAP. Investors should consider Adjusted EBITDA in addition to, but not as a substitute for, the most directly comparable financial results calculated and presented in accordance with GAAP. Because our calculation of Adjusted EBITDA may differ from that of other companies, our presentation of Adjusted EBITDA may not be comparable to similarly titled measures of other companies.

Investor Notice Investing in our securities involves a high degree of risk. Before making an investment decision, you should carefully consider the risks, uncertainties and forward-looking statements described under the heading "Risk Factors" in our most recent annual report on Form 10-K and any other periodic reports that we may file with the U.S. Securities and Exchange Commission (the "SEC"). If any of these risks were to occur, our business, financial condition or results of operations would likely suffer. In that event, the value of our securities could decline, and you could lose part or all of your investment. The risks and uncertainties we describe are not the only ones facing us. Additional risks not presently known to us or that we currently deem immaterial may also impair our business operations. In addition, our past financial performance may not be a reliable indicator of future performance, and historical trends should not be used to anticipate results in the future. See "Forward-Looking Statements" below.

This shareholder letter contains forward-looking statements within the meaning of the federal securities laws. All statements, other than statements of historical fact, included in this shareholder letter are forward-looking statements. The words "may," "will," "could," "anticipate," "expect," "intend," "believe," "continue," "target" and similar expressions or variations or negatives of these words are intended to identify forward-looking statements, although not all forward- looking statements contain these identifying words. Such forward-looking statements include, among other things, statements relating to our strategic joint venture with Starwood, including the structure, timing and expected benefits of the partnership; plans to develop, finance and operate digital infrastructure projects, including at our Kearney and Hannibal sites; our ability to fund, scale and allocate capital to joint venture projects; our target of signing leases with tenants by year-end; the expected closing, timing, financing and benefits of our acquisition of Long Ridge, including its expected generation capacity, contracted output and contribution to Adjusted EBITDA; the development of the site in Matagorda County, Texas, including the outcome and timing of ERCOT’s Batch Zero interconnection study process and the verification and audit directed by the Governor of Texas, the amount and timing of any power allocated to the site and the milestone payments under our purchase agreement with HIF; the expected growth of our power portfolio; expected demand from enterprise, hyperscale and AI customers, including Exaion’s customer pipeline; expansion into artificial intelligence, inference and high-performance compute; anticipated benefits of our investment in Exaion, including its GPU-as-a-service business; the deployment and expected benefits of Vertebrai; our share repurchase program, including the timing and amount of any repurchases; our bitcoin strategy, including holdings, sales, lending and borrowing and the use of proceeds; our ability to satisfy holder put rights under our convertible notes; our capital allocation priorities and liquidity; and potential domestic and international expansion opportunities. Such forward-looking statements are based on management's current expectations about future events as of the date hereof and involve many risks and uncertainties that could cause our actual results to differ materially from those expressed or implied in our forward- looking statements. Subsequent events and developments, including actual results or changes in our assumptions, may cause our views to change. We do not undertake to update our forward-looking statements except to the extent required by applicable law. Readers are cautioned not to place undue reliance on such forward-looking statements. All forward-looking statements included herein are expressly qualified in their entirety by these cautionary statements. Our actual results and outcomes could differ materially from those included in these forward-looking statements as a result of various factors, including, but not limited to, the factors set forth under the heading "Risk Factors" in our most recent annual report on Form 10-K and any other periodic reports that we may file with the SEC.

Full text with the tables
                                            
  Contents                                  
  To Our Shareholders                    3  
  Financial and Operational Discussion   9  
  Earnings Webcast and Conference Call  15  
  Statements of Operations              16  
  Investor Notice                       19  
  Forward-Looking Statements            19  
                                            
                  
  Key Highlights  
                  
                                        
  Revenuesdecreased35%to$164.2 million  
  INQ3 2026                             
  from$252.4 millioninQ3 2025.          
                                        
                                      
  Netincomeincreasedto$632.1 million  
  INQ3 2026                           
  from$123.1 millioninQ3 2025.        
                                      
                                            
  Adjusted EBITDAincreasedto$857.7 million  
  INQ3 2026                                 
  compared to$395.6 millioninQ3 2025.       
                                            
                                                      
  Total debt reduction of$1.4 billion                 
  AS OFSEPTEMBER 30, 2026                             
 ──────────────────────────────────────────────────── 
  37%of total debt reduced since thebeginning of the  
  year.                                               
                                                      
                                          
  Energized hashrate("EH/s")increased18%  
  TO71.2EH/S INQ3 2026                    
  from60.4EH/s inQ3 2025.                 
                                          
                                      
  Cost/petahash per dayimproved by2%  
  INQ3 2026                           
  fromQ3 2025.                        
                                      
                                    
  Total blocks wonincreased2%to644  
  INQ3 2026                         
  from633inQ3 2025.                 
                                    
                                           
  Purchased energy cost perBTC was$39,674  
  INQ3 2026                                
  for our owned sites.                     
                                           
                      
  Cost per kWh:$0.04  
  FORQ3 2026.         
                      
                                  
  Mined2,247BTC                   
  INQ3 2026.                      
  No BTC was purchased inQ3 2026  
                                  
SHAREHOLDER LETTER Q3 2026 3
                       
  To Our Shareholders  
                       
Bitcoin built the foundation. Power created the opportunity. Our strategy now is
simple: maximize the value of every megawatt ("MW") we control. In Q3 2026, we
started transforming the platform we have assembled into a business designed to
produce durable, contracted returns. Over the past several years, MARA has built
a difficult-to-replicate portfolio of powered assets, operating infrastructure,
and technical capability. Our priority now is to convert those advantages into
signed customer agreements, completed projects, and durable free cash flow.
The Quarter: Progress on Many Fronts A lease does not start with a signature. It
starts with power, a buildable site, a capable partner, and a financeable
customer. This quarter, we advanced each of those pieces. • Sites and
development: Since the end of last quarter, we have made great progress and our
discussions with tenants are in advanced stages. Our engineering and operations
teams have hosted prospective tenants across nearly all of our sites and we feel
particularly proud of the development team's progress at Kearney, where pre-
development is well advanced . While we are targeting signing two leases before
year-end, market conditions are fluid and that timing could slip into next year.
We will continue to advance the power, permitting, site, and financing work
required to support these agreements and look forward to updating the market as
we have news to share. • Power: At Long Ridge, we recently received FERC
approval , and we expect to close the transaction in the coming weeks, subject
to customary conditions. We are excited to add a highly efficient natural gas
plant to our portfolio that is currently authorized to sell 485 MW and expected
to increase to the full 505 MW nameplate capacity in the first half of 2027.
Long Ridge will not only immediately strengthen our financial profile with
contracted cash flows from power generation but also provides us over 1,600
contiguous acres with access to power, water, fiber, and rail, supporting a
premier data center campus. Together with our existing Bitcoin mining operations
at the site, we will have over 1 GW of total potential capacity. We look forward
to completing the transaction and beginning the next phase of Long Ridge’s
development as part of our strategy to expand into data center infrastructure.
In addition, we advanced our power portfolio by securing the rights to develop a
site in Matagorda County, Texas with up to 2 gigawatts ("GW") of power capacity.
The site was recently classified as a studied load by ERCOT in the Batch Zero
process and we are working with the utility to bring power online. Any payments
to the sellers are contingent on power being approved and, to date, we have made
none. • Exaion signed a four-year $79M GPU-as-a-service contract on 100% take-
or-pay terms with its first US customer. Customer demand has built a pipeline of
over $3 billion in total contract value, with approximately $1 billion of that
targeted for delivery by the end of 2027. These are indications of demand and
are not yet contracted or committed. • After quarter-end, our Board of Directors
authorized a share repurchase program of up to $500M of our common stock , which
reflects the Board’s and management’s confidence in our long-term strategy and
gives us an additional tool to enhance shareholder returns. In the current
environment, we are always looking to deploy our capital where it can earn the
highest and best return, and at times that may mean repurchasing our shares.
While markets have declined, bitcoin has remained resilient, and our balance
sheet gives us the flexibility to act on those opportunities when they arise. We
intend to use it deliberately, in the way that creates the most advantage for
our

SHAREHOLDER LETTER Q3 2026 4 shareholders. We have spent years building a
differentiated portfolio spanning power, land and compute, and we remain focused
on turning that foundation into contracted returns and durable free cash flow.
We will stay disciplined in how we allocate capital, deploying it where we
believe it can create the greatest value for you. Under the program, we may
repurchase shares from time to time through open market purchases, privately
negotiated transactions or other means in accordance with SEC regulations. The
timing and amount of any repurchases will depend on market conditions, share
price, capital availability and other factors, and the program does not obligate
us to repurchase any particular amount and may be modified, suspended or
terminated at any time. • After quarter-end, we repaid $750M of BTC-backed debt
with proceeds from Bitcoin sales. The repayment released all BTC that had been
pledged as collateral, leaving less than 5% of our BTC holdings loaned or
pledged . Together with the $1.4 billion , or 37% of total debt reduced since
the beginning of the year, this repayment decreased our exposure to bitcoin
price volatility. We intend to continue using bitcoin to build cash for purposes
such as AI infrastructure opportunities, to satisfy the puts on our convertible
notes that become exercisable next year, and potential share repurchases. To put
these milestones in context, it helps to start with the market in which we are
building. The Market Investor sentiment toward AI infrastructure has become more
cautious as the market assesses the pace of AI adoption, community opposition,
higher financing costs, and the credit structures behind some projects. These
issues matter, but they have not reduced the need for power. Our customer
conversations show that demand remains strong and increasingly favors sites that
can deliver power on a credible schedule. Customers are also asking about
capacity in locations once considered peripheral, including our international
portfolio. What has changed is that the market is applying a higher standard.
Customers need power, land, permits, financing, and a development partner who
can meet a committed schedule. Lenders and investors are applying the same test.
That environment favors MARA. MARA built our platform around these requirements.
Bitcoin mining gave us deep expertise in power, infrastructure and large-scale
compute, and it is where we cut our teeth acquiring powered land. Today, we own
and operate approximately 1 GW across a diversified portfolio of sites in the US
and international markets. Subject to the closing of Long Ridge and energization
of Matagorda, we expect that portfolio to reach over 4 GW. As AI and HPC demand
grows, power-ready infrastructure has become the critical constraint. New
generation and transmission take years to build, and permitting and community
opposition can stretch the timeline further. Customers are paying a premium for
sites that are already energized or have a credible path to near-term power.
That makes what MARA has built significantly more valuable. That shift has
shaped how we are evolving the business. Where We Are Now We are evolving into
an energy-backed digital infrastructure enterprise spanning power, land, and
compute. It is important to remember that this is not a pivot away from bitcoin.
Bitcoin remains our operating foundation and a flexible way to monetize power
while we develop higher-value infrastructure opportunities. Our strategic
advantage is optionality: we can deploy each megawatt toward the use that
creates the greatest risk-adjusted return. SHAREHOLDER LETTER Q3 2026 5 We see
three transformational paths to value: • Bitcoin mining remains a core business.
It generates cash flow, keeps energized sites productive, and gives us
flexibility as other infrastructure is developed. • AI and HPC infrastructure
put our proposition of Speed, Certainty and Reliability into practice,
converting powered land into long-duration, contracted infrastructure for
hyperscalers and other large compute customers. • Exaion provides private cloud
infrastructure, inference and GPU-as-a-service, enabling MARA to capture the
full value stack all the way up to the enterprise customer, maximizing the value
of every electron while moving up the value and margin curve. Why MARA is
Positioned to Win Three advantages set MARA apart. We have the power and the
ability to scale. Once we complete the first phase of a campus, most of the hard
work on land, interconnection, permitting, and campus infrastructure is behind
us. A customer that begins with 200 MW may ultimately want 400 MW, 600 MW or
more, and we increase the value of the site without starting over somewhere
else. Large campuses can also host a mix of customers (hyperscalers, AI cloud
providers and direct enterprise workloads), which improves utilization and
economics. We can serve the full range of customers. MARA plus Exaion gives us
capabilities across the full compute stack, from powered infrastructure and
traditional colocation to private cloud and AI services. We can lease
infrastructure to a hyperscaler at a lower yield on cost or accept more risk for
a higher return with frontier model providers and others. We are open to new
technology solutions that help our customers. And Exaion gives us a footprint
and leverage in Europe and Canada, where it can be harder for a U.S. company to
go directly. We watched as aggressive pricing, rising rates, and uncertain
delivery schedules eroded project economics for others. That experience
reinforced our decision to prioritize contracts that can be financed and
delivered at acceptable returns. In our experience, waiting has improved the
terms available to us . SHAREHOLDER LETTER Q3 2026 6 Subject to closing,
required approvals and customary conditions. Descriptions are forward-looking
and may change. Exaion Our future business model already has traction, and it
integrates the entire MARA enterprise stack. As we build out our digital
infrastructure platform, Exaion gives us the opportunity to capture a greater
share of the value chain, from providing power and infrastructure to providing
the compute and cloud services that run on top of it. Over time, that creates
the potential for MARA to participate in higher-margin AI compute services,
enhancing the margin per megawatt while leveraging the same underlying power and
infrastructure assets at the foundation of our strategy. Exaion takes MARA above
the infrastructure layer. It provides private cloud infrastructure, open-weight
model orchestration, and inference as a service for customers who need greater
control over their data, infrastructure, and jurisdiction. Those needs are
especially important for governments, regulated industries and enterprises in
Europe, and other markets where sovereignty and security shape technology
decisions. Exaion also lets us share in the value created by the compute itself.
Its operating model can utilize GPUs across their lifecycle, extending their
utility and cash flow well beyond initial contract durations. That improves
utilization and returns across the life of the asset. This is no longer simply a
future-state thesis. We now have an early proof point with Exaion recently
signing a major GPU- as-a-service contract with total contract value of $79
million over four years, on 100% take-or-pay terms. The customer commits to pay
for the capacity whether or not it uses it, which gives us predictable,
contracted revenue for the life of the agreement. This agreement is also a
signal of demand. Exaion’s customers and prospects have expressed demand for
more than 30 MW of compute capacity for delivery by the end of 2027. We view
this contract as an early proof point of the model we are building: MARA
provides the energy-backed infrastructure, and Exaion turns it into compute and
cloud services. This is how we intend to move up the value chain: not by trying
to own every layer on our own, but through strategic partnerships. That gives us
a unique, differentiating right to win. Bitcoin Mining All of this rests on the
business that built MARA, which remains core to our strategy. SHAREHOLDER LETTER
Q3 2026 7 The competencies it takes to run a large mining fleet (power
procurement, modular deployment, infrastructure optimization and real-time load
management) are the same competencies that digital infrastructure tenants
require. Modular deployment is a good example. It lets us bring capacity online
faster than a traditional build and at lower cost, which matters to customers
who need compute up and running quickly. We believe MARA is one of the largest
operators of modular Bitcoin mining digital infrastructure in the United States,
and we intend to apply that experience as we transition towards AI/HPC. We
continue to modernize the fleet where the gain in efficiency and the expected
payback justify the investment. When equipment pricing is weak, we have been
selective, acquiring machines that raise output without increasing total mining
power consumption. We weigh each of these investments against the timing of the
next halving and the payback over the full cycle. Our objective is to increase
computing output within the existing electrical footprint, and to preserve the
option to direct power to the use that offers the best risk-adjusted return. At
some sites, that will remain Bitcoin mining. At others, contracted AI/HPC
infrastructure may be the better long-term use. We do not have to choose one or
the other. Vertebrai We recently launched Vertebrai, MARA's flexible computing
platform built on nearly a decade of running power-intensive computing across
energy markets. Power and demand rarely arrive at the same time, and Vertebrai's
software decides, moment to moment, where power should go. It absorbs power that
would otherwise sit idle or sell at a loss, then scales back when the grid needs
that power elsewhere. Based on the site's settlement data, April 1 to September
30, 2026. Percentages are shares of potential generation. "Without Vertebrai"
assumes all potential generation during economic curtailment periods, mostly
hours when real-time prices were negative, would have been curtailed.
Vertebrai's on-site computing used 53% of that energy. We proved it first at our
own wind farm in Hansford County, Texas. From April through September 2026, we
estimate that Vertebrai helped our Texas wind farm cut curtailment by more than
half. Without Vertebrai, an estimated 46% of potential wind generation would
have been curtailed. By using on-site computing to absorb power that otherwise
would have gone unused, Vertebrai reduced that figure to 22%, putting more of
the farm’s generation to productive use and creating an additional source of
revenue. SHAREHOLDER LETTER Q3 2026 8 We now see a similar opportunity with data
center developers, who often secure power 18 to 24 months before their
facilities can use it while paying for a minimum share of it regardless. With
Vertebrai now live, we are focused on bringing this model to additional power
producers and data center developers. Balance Sheet and Capital Allocation Each
of these priorities depends on a strong balance sheet. Our balance sheet has to
support the obligations we have today and the opportunities we are building for
tomorrow. So we manage cash, bitcoin, debt, and access to capital as parts of
one balance sheet. Since the beginning of the year, we have reduced our total
debt by $1.4 billion , or 37% . We view bitcoin as a strategic asset and a
source of financial flexibility. Depending on market conditions and the expected
return on the use of proceeds, we may hold it, monetize a portion, or borrow
against it. That capital can support operations, reduce debt, fund acquisitions,
or advance projects we believe will increase long-term shareholder value. We
used this flexibility earlier in the year to repurchase convertible notes at a
discount, and we continue to monitor the put dates on our remaining obligations.
We will keep balancing growth against leverage and dilution. The Starwood model
reduces the corporate equity required for qualifying data center projects, and
our bitcoin holdings and other sources of liquidity add capacity. We expect our
direct spending to stay focused on site control, interconnection, development
work, targeted infrastructure upgrades, and selected project equity where the
prospective return warrants it. The capital markets remain open for well-
structured developments. We price each project to reflect the customer’s credit,
the support available from a parent or technology provider, and the financing
needed to build the facility. Looking Ahead The next stage will be measured by
execution. Demand for compute capacity remains strong, but the market is
becoming more selective about how that demand is financed and delivered. We
believe that selectivity is constructive. It should favor companies with real
power, credible sites, strong partners, and the patience to structure projects
properly. MARA has spent years building exactly that. When we think about MARA’s
future, the opportunity is bigger than monetizing the megawatt. It is about
increasing the value we can capture from that megawatt as we move from power to
infrastructure to compute, and ultimately to fully integrated cloud solutions.
We entered 2026 focused on expanding the platform. We are ending the year
focused on converting that platform into contracted leases and free cash flow.
Bitcoin built the foundation and our power portfolio broadened the opportunity.
Our partnerships expand the ways we can capture value from each megawatt. Our
responsibility now is to execute with discipline and to show you the returns
these assets can produce. Thank you for your continued support. MARA Chairman &
CEO

SHAREHOLDER LETTER Q3 2026 9
                                                     
  Third QuarterFinancial and Operational Discussion  
                                                     
Highlights – O ur energized hashrate was 71.2 EH/s, increasing 18% from 60.4
EH/s as of Q3 2025 . – Revenue was $164.2 million , a decrease of 35% from
$252.4 million in Q3 2025 . – W e held 34,012 BTC (including digital assets -
receivable, net) and produced 2,247 BTC at an average price of $71,688 . We sold
3,891 BTC at an average price of $75,300 . – Total blocks won increased 2% to
644 from 633 in Q3 2025 . – Our cost per kWh was $0.04 for our owned sites.
Purchased energy cost per bitcoin was $39,674 , slightly up from $39,235 in Q3
2025 . – Cost per petahash per day improve d 2% to $30.8 from $31.3 in Q3 2025 .
– Net income was $632.1 million , or $1.28 per diluted share, compared to $123.1
million , or $0.27 per diluted share, in Q3 2025 . Net income during the quarter
includes an $885.3 million gain related to the fair value of digital assets. –
Adjusted EBITDA was $857.7 million , compared to $395.6 million in Q3 2025 . –
$3.8 billion of combined unrestricted cash and cash equivalents and BTC
(including bitcoin loaned or pledged as collateral) – Loaned 1,408 BTC under our
digital asset management strategy, generating approximately $2.5 million of
interest income for the quarter . – We advanced our power portfolio by securing
the rights to develop a Matagorda County, Texas site with up to 2 GW, structured
so that payments follow regulatory approvals and development progress. The site
was classified as a studied load by ERCOT in the Batch Zero process. After
quarter- end, we obtained a $100.0 million letter of credit for the
interconnection study deposit. – After quarter-end, we received FERC approval
for our Long Ridge acquisition, which we expect to close by year end. Once
completed, Long Ridge is expected to generate significant adjusted EBITDA, with
roughly 70% of its output under long-term contracts. – After quarter-end, w e
sold 13,597 bitcoin around $81,039 , with proceeds of approximately $1.1 billion
. We used $750.0 million to fully repay our Bitcoin- collateralized term loans.
The repayment resulted in the return of 17,477 bitcoin previously pledged as
collateral. – Year to date, we deleveraged our balance sheet by reducing $1.4
billion , or 37% of total debt. – After quarter -end, our Board authorized
MARA’s share repurchase program of up to $500.0 million , reflecting confidence
in our long-term strategy and adding a tool to enhance shareholder returns.
Third Quarter Production Highlights
                                                                                
                          Prior Quarter                 Prior Year Period       
                             Comparison                        Comparison       
  Metric                         Q32026  Q2 2026  % Δ              Q32025  % Δ  
 ────────────────────────────────────────────────────────────────────────────── 
  Number of Blocks                  644      700  -8%                 633  2%   
  Won                                                                           
  BTC Produced                    2,247    2,422  -7%               2,144  5%   
  Average BTC                      24.4     26.6  -8%                23.3  5%   
  Produced per Day                                                              
  Share of                                                                      
  Available Miners                 5.4%     5.9%  -9%                5.0%  9%   
  Rewards(1)                                                                    
  Energized                                                                     
  Hashrate                         71.2     70.3  1%                 60.4  18%  
  (EH/s)(2)                                                                     
                                                                                
1. Defined as the total amount of block rewards including transaction fees that
MARA earned during the period divided by the total amount of block rewards and
transaction fees awarded by the Bitcoin network during the period. 2. Defined as
the amount of hashrate that could theoretically be generated if all miners that
have been energized are currently in operation including miners that may be
temporarily offline. Hashrates are estimates based on the manufacturers’
specifications. All figures are rounded.

SHAREHOLDER LETTER Q3 2026 10 REVENUE Revenue was $164.2 million , a decrease of
$88.2 million , or approximately 35% , from $252.4 million in the prior year
period. Bitcoin mining revenue accounted for $83.1 million of the decrease. A
37% decline in the average price of bitcoin mined lowered revenue by $94.8
million , partially offset by an $11.7 million benefit from higher bitcoin
production. We produced an average of 24.4 BTC per day, up from 23.3 BTC in Q3
2025 , resulting in 2,247 BTC mined compared to 2,144 or 5% more BTC mined year-
over-year. Blocks won also increase d 2% over the same period. *Average Price of
BTC over the quarter NET INCOME We reported net income of $632.1 million , or
$1.28 per diluted share, compared to net income of $123.1 million , or $0.27 per
diluted share, in the third quarter of 2025 . The $508.9 million increase in net
income was primarily driven by an $885.3 million unrealized bitcoin mark-to-
market gain in Q3 2026 , compared to a $343.1 million gain in the prior year
period, representing approximately $542.2 million year-over-year change,
reflecting a 27% improvement in BTC price during the quarter . This chart
illustrates the close relationship between the mark-to- market impact on the
company's bitcoin holdings relative to its reported net income (loss).
SHAREHOLDER LETTER Q3 2026 11 PURCHASED ENERGY COSTS We define purchased energy
costs as the amount paid to power providers for power consumed related to our
owned Bitcoin mining operations. Our purchased energy costs were $48.1 million ,
compared to $43.1 million in the prior year period. The 12% increase was
primarily driven by the growth of our owned mining operations through a site
acquisition during the year and increased utilization of capacity at our newest
Central Nebraska and our Central Ohio sites, partially offset primarily by
weather-related downtime at certain sites. Total energized hashrate increased
18% to 71.2 EH/s from 60.4 EH/s in Q3 2025 , primarily through improvements in
miner efficiency. Our owned sites maintained a cost per kWh of $0.04 . Purchased
energy cost per bitcoin for our owned and operated sites was $39,674 , compared
to $39,235 in Q3 2025 , primarily driven by higher power costs and global
network difficulty outpacing our hashrate growth. OPERATING AND MAINTENANCE
COSTS Operating and maintenance costs were $21.5 million compared to $26.3
million in the prior year period, a decrease of $4.8 million . The decrease was
primarily due to realized gains from energy derivative contracts and lower
shipping costs, partially offset by higher site and miner repair and maintenance
costs. THIRD-PARTY HOSTING AND OTHER ENERGY COSTS Third-party hosting and other
energy costs primarily consist of colocation services related to third-party
hosted sites. Third-party hosting and other energy costs were $71.5 million ,
compared to $75.7 million in Q3 2025 , a $4.2 million decrease driven by lower
hosting costs, partially offset by higher energy consumption at certain third-
party hosted sites. Our most significant third-party hosting arrangements,
representing approximately 29% of our total energy capacity, are scheduled to
expire, beginning in the third quarter of 2027 and expected to fully conclude
during the first quarter of 2028. These expirations are expected to eliminate
third-party hosting costs and improve our cost per kWh over time as the
arrangements expire. COST PER PETAHASH Our cost per petahash per day improve d
2% to $30.8 from $31.3 in Q3 2025 , and has improved 20% over the past eight
quarters. GENERAL AND ADMINISTRATIVE General and administrative ("G&A") expenses
were $75.8 million compared to $85.3 million in the p rior year period. The $9.5
million or 11% decrease primarily reflects a $9.8 million reduction in stock-
based compensation expense. This was partially offset by G&A SHAREHOLDER LETTER
Q3 2026 12 expenses from the operating costs of our recently acquired majority-
owned subsidiary, Exaion, and administrative costs supporting our expanded
footprint. DEPRECIATION AND AMORTIZATION Depreciation and amortization was
$150.9 million , a $16.5 million decrease compared to the prior year period. The
10% decrease was driven by lower depreciation as certain mining rigs reached the
end of their useful lives. ADJUSTED EBITDA Adjusted EBITDA increased to $857.7
million , *including BTC loaned, actively managed or pledged as collateral up
117% , from $395.6 million compared to Q3 2025 . The increase was primarily
driven by a mark-to-market change in the fair value of digital assets, primarily
reflecting a larger increase in bitcoin prices during the quarter . BALANCE
SHEET At quarter end, we held 34,012 bitcoin, including 19,260 bitcoin loaned or
pledged as collateral. During Q3 2026 , we mined 2,247 BTC. As of September 30,
2026 , our BTC holdings were valued at approximately $2.8 billion based on a
spot price of $83,556 per bitcoin. 15,133 BTC sold to retire ~$1.0B of converts
Cash and cash equivalents totaled $946.5 million , up from $547.1 million as of
December 31, 2025 . Combined, our balance of cash and BTC (including bitcoin
loaned and pledged as collateral) was approximately $3.8 billion at quarter e
nd. In July, we sold 3.8 million shares of common stock representing our year-
to-date ATM usage. We had approximately $1.5 billion of capacity remaining as of
September 30, 2026 . We believe our existing liquidity resources provide us with
sufficient flexibility to meet our obligations and fund our growth initiatives
over the next twelve months and beyond.

SHAREHOLDER LETTER Q3 2026 13

*including BTC loaned, actively managed and p ledged as collateral DIGITAL ASSET
MANAGEMENT We held a total of 34,012 bitcoin, including 19,260 bitcoin that were
loaned or pledged as collateral. As such, approximately 57% of our total
holdings were activated through our digital asset management strategy. Under our
lending arrangements, a total of 1,408 bitcoin were loaned to counterparties,
generating approximately $2.5 million of interest income during the quarter .
                                             
  MARA's BTC Holdings                        
  As ofSeptember 30, 2026          Quantity  
 ─────────────────────────────────────────── 
  Bitcoin, unrestricted              14,752  
  Bitcoin - Receivable                       
  Bitcoin - Loaned                    1,408  
  Bitcoin - Pledged as Collateral    17,852  
                                     19,260  
  Total                              34,012  
                                             
For the nine months ended September 30, 2026 , we sold approximately 26,984
bitcoin for $1.9 billion in proceeds. Subsequent to quarter- end, w e sold
13,597 bitcoin at approximately $81,039 , with proceeds of approximately $1.1
billion . In 2025, we changed our strategy to permit sales of bitcoin generated
from operations and in 2026 we expanded this strategy to allow for sales of
bitcoin held on our balance sheet. We expect to continue to monetize bitcoin to
enhance our financial flexibility, including to provide liquidity or to fund
capital projects and other initiatives that we believe enhance long-term
shareholder value, subject to market conditions and our capital allocation
priorities. CAPITAL ALLOCATION During the quarter, we entered into $750.0
million of Bitcoin-collateralized borrowings, consisting of $600.0 million of
new capital and $150.0 million that refinanced an existing facility, to fund the
Long Ridge acquisition. Subsequent to quarter end, we fully repaid the loans,
releasing all bitcoin previously pledged as collateral. We borrowed against
bitcoin while it was trading around $64,000, and after quarter-end, sold 13,597
bitcoin at an average price of approximately $81,039 , generating $1.1 billion
in proceeds. Disciplined and patient execution enabled us to capture an
estimated net benefit of $170.0 million. Since the beginning of 2026, we have
deleveraged our balance sheet by $1.4 billion , or 37% of total debt, lowering
our exposure to bitcoin price volatility while funding the ac quisition on a
non-dilutive basis. By using our bitcoin to fund Long Ridge and then reduce
leverage, we put our digital assets to work while strengthening our balance
sheet. Alongside lending and monetization, Bitcoin- backed financing remains one
more tool we have and can use in the future to support growth with the same
discipline.

SHAREHOLDER LETTER Q3 2026 14 After the quarter-end, our Board of Directors
authorized MARA’s share repurchase program of up to $500.0 million of our common
stock. It reflects the Board’s and management’s confidence in our long-term
strategy and is an additional tool in our capital allocation toolkit to enhance
shareholder returns. Under the program, we may repurchase shares from time to
time through open market purchases, privately negotiated transactions or other
means in accordance with SEC regulations. The timing and amount of any
repurchases will depend on market conditions, share price, capital availability
and other factors. The program does not obligate us to repurchase any particular
amount and may be modified, suspended or terminated at any time. Every capital
decision we make follows the same discipline: deploy capital where we believe it
can create the greatest value for you. Power remains the foundation of our
strategy. We have built a portfolio of approximately 1.9 GW, with a clear path
to 4.8 GW. We have secured the foundation of MARA's digital infrastructure
transformation. With power, partners, and capital in place, we are executing our
strategy to deliver long term shareholder value. MARA Chief Financial Officer

SHAREHOLDER LETTER Q3 2026 15
                                       
  Earnings Webcastand Conference Call  
                                       
MARA will hold a webcast and conference call today, November 9, 2026 , at 5:00
p.m. Eastern Time ( 2:00 p.m. Pacific Time ) to discuss its financial results
for the quarter ended September 30, 2026 . To register to participate in the
conference call or to listen to the live audio webcast, please use this link.
The webcast will also be broadcast live and available for replay via the
investor relations section of our website. Earnings Webcast and Conference Call
Details Date: Monday, November 9, 2026 Time: 5:00 p.m. Eastern Time ( 2:00 p.m.
Pacific Time ) Registration link: LINK If you have any difficulty connecting
with the conference call, please contact MARA's investor relations team at
ir@mara.com About MARA MARA Holdings, Inc. (NASDAQ: MARA) is a global, energy-
backed digital infrastructure enterprise. We acquire, develop, and operate
scarce powered assets at scale, with 1.9 GW of energized capacity today across
nearly 20 sites on 4 continents, and a clear path to approximately 4.8 GW. Our
vertically integrated model spans power, land, and compute, designed to deliver
the speed, certainty, and reliability that AI, HPC, cloud, and enterprise
customers need. Backed by almost a decade of operating power-intensive compute
at industrial scale, Bitcoin mining is our operating foundation, providing a
source of flexibility and keeping sites operating and generating revenue while
we develop higher-value infrastructure paths. For more information, visit
www.mara.com, or follow us on:
                               
  X          @MARA             
  LinkedIn   MARAHoldings      
  Facebook   MARAHoldings      
  Instagram  @MARAHoldingsInc  
                               
MARA Company Contacts: Telephone: 1.800.804.1690 Email: ir@mara.com MARA Media
Contact: Email: mara-jf@joelefrank.com

SHAREHOLDER LETTER Q3 2026 16

MARA Holdings, Inc. and Subsidiaries Condensed Consolidated Statements of
Operations (unaudited)
                                                                                
                   Three Months                     Nine Months                 
                          Ended                           Ended                 
                  September 30,                    September30,                 
  (in                                                                           
  thousands,                                                                    
  except share             2026           2025             2026           2025  
  and per                                                                       
  share data)                                                                   
  Revenues             $164,233       $252,410         $513,728       $704,779  
  Costs and                                                                     
  operatingex…                                                                  
  (income)                                                                      
  Purchased              48,124         43,080          141,606        128,291  
  energy costs                                                                  
  Operating                                                                     
  and                    21,481         26,310           79,018         68,466  
  maintenance                                                                   
  costs                                                                         
  Third-party                                                                   
  hosting and            71,511         75,664          210,715        212,876  
  other energy                                                                  
  costs                                                                         
  General and            75,815         85,296          277,373        264,109  
  administrat…                                                                  
  Depreciation                                                                  
  and                   150,851        167,312          517,071        486,950  
  amortization                                                                  
  Change in                                                                     
  fair value           -421,853       -234,240          542,383       -686,105  
  of digital                                                                    
  assets                                                                        
  Change in                                                                     
  fair value                                                                    
  of                     18,952          4,422           61,766        -42,717  
  derivative                                                                    
  instrument                                                                    
  Impairment                                                                    
  of goodwill                 —              —                —         26,253  
  and other                                                                     
  assets                                                                        
  Taxes other                                                                   
  than on                 1,333          2,354            5,284          7,886  
  income                                                                        
  Early                                                                         
  termination                 —          5,000                —          5,000  
  expenses                                                                      
  Research and            2,495          8,716           17,916         26,560  
  development                                                                   
  Restructuri…           18,979         20,905           66,617         20,905  
  costs                                                                         
  Total costs                                                                   
  and                   -12,312        204,819        1,919,749        518,474  
  operatingex…                                                                  
  (income)                                                                      
  Operatingin…          176,545         47,591       -1,406,021        186,305  
  (loss)                                                                        
  Otherincome                                                                   
  Change in                                                                     
  fair value                                                                    
  of digital            463,478        108,859           66,110        339,339  
  assets -                                                                      
  receivable,                                                                   
  net                                                                           
  Netgainfrom                                                                   
  extinguishm…                —          1,029           70,557          1,029  
  of debt                                                                       
  Interest                9,268         17,689           30,063         39,315  
  income                                                                        
  Interest              -13,472        -12,760          -30,456        -35,536  
  expense                                                                       
  Equity in                                                                     
  net earnings                                                                  
  of                     -2,822         -1,711           -7,849         -2,626  
  unconsolida…                                                                  
  affiliate                                                                     
  Other                  -1,931            115            4,596         -2,920  
  Total                 454,521        113,221          133,021        338,601  
  otherincome                                                                   
  Income                                                                        
  (loss)before          631,066        160,812       -1,273,000        524,906  
  income taxes                                                                  
  Income                                                                        
  taxbenefit              1,005        -37,678           31,357       -127,010  
  (expense)                                                                     
  Netincome            $632,071       $123,134     $(1,241,643)       $397,896  
  (loss)                                                                        
  Less:                                                                         
  net(income)                                                                   
  lossattribu…                                                                  
  to                                                                            
  noncontroll…            2,286             -6            6,696            268  
  including                                                                     
  redeemable                                                                    
  noncontroll…                                                                  
  interest                                                                      
  Netincome                                                                     
  (loss)attri…         $634,357       $123,128     $(1,234,947)       $398,164  
  to common                                                                     
  stockholders                                                                  
  Netincome                                                                     
  (loss)per                                                                     
  share of                $1.64          $0.33          $(3.23)          $1.13  
  common                                                                        
  stock -                                                                       
  basic                                                                         
  Weighted                                                                      
  average                                                                       
  shares of         385,698,449    372,073,173      382,494,083    352,315,857  
  common stock                                                                  
  - basic                                                                       
  Netincome                                                                     
  (loss)per                                                                     
  share of                $1.28          $0.27          $(3.23)          $0.90  
  common                                                                        
  stock -                                                                       
  diluted                                                                       
  Weighted                                                                      
  average                                                                       
  shares of         496,385,479    470,126,290      382,494,083    450,081,096  
  common stock                                                                  
  - diluted                                                                     
                                                                                
SHAREHOLDER LETTER Q3 2026 17
                                                                                
                     Three Months                    Nine Months                
                            Ended                          Ended                
                    September 30,                   September30,                
  (in                        2026        2025               2026          2025  
  thousands)                                                                    
  Reconciliati…                                                                 
  to Adjusted                                                                   
  EBITDA:                                                                       
  Netincome                                                                     
  (loss)attrib…          $634,357    $123,128       $(1,234,947)      $398,164  
  to common                                                                     
  stockholders                                                                  
  Net income                                                                    
  (loss)                                                                        
  attributable             -2,286           6             -6,696          -268  
  to                                                                            
  noncontrolli…                                                                 
  interests                                                                     
  Netincome               632,071     123,134         -1,241,643       397,896  
  (loss)                                                                        
  Interestexpe…             4,204      -4,929                393        -3,779  
  (income), net                                                                 
  Income                                                                        
  taxexpense               -1,005      37,678            -31,357       127,010  
  (benefit)                                                                     
  Depreciation                                                                  
  and                     154,068     170,521            526,759       496,437  
  amortization                                                                  
  EBITDA                  789,338     326,404           -745,848     1,017,564  
  Stock-based                                                                   
  compensation             28,446      38,466            105,635       142,237  
  expense                                                                       
  Change in                                                                     
  fair value of            18,952       4,422             61,766       -42,717  
  derivative                                                                    
  instrument                                                                    
  Impairment of                                                                 
  goodwill and                  —           —                  —        26,253  
  other assets                                                                  
  Restructuring            18,979      20,905             66,617        20,905  
  costs                                                                         
  Acquisition                                                                   
  and                       1,944       1,475             28,407         1,475  
  integration                                                                   
  costs                                                                         
  Litigation                    —           —             10,200             —  
  settlement                                                                    
  Netgainfrom                                                                   
  extinguishme…                 —      -1,029            -70,557        -1,029  
  of debt                                                                       
  Netgainon                     —           —                  —       -12,429  
  investments                                                                   
  Early                                                                         
  termination                   —       5,000                  —         5,000  
  expenses                                                                      
  Adjusted               $857,659    $395,643         $(543,780)    $1,157,259  
  EBITDA(1)                                                                     
                                                                                
SHAREHOLDER LETTER Q3 2026 18 (1) Non-GAAP Financial Measures. In order to
provide a more comprehensive understanding of the information used by our
management team in financial and operational decision-making, we supplement our
Condensed Consolidated Financial Statements that have been prepared in
accordance with generally accepted accounting principles in the United States
("GAAP") with the non- GAAP financial measure of Adjusted EBITDA. The Company
defines Adjusted EBITDA as GAAP net income (loss) plus adjustments to add back
the impacts of (1) interest, (2) income taxes, (3) depreciation and amortization
and (4) adjustments for non- cash and/or non-recurring items, which currently
include (i) stock- based compensation expense, (ii) change in fair value of
derivative instrument, (iii) impairment of goodwill and other assets, (iv)
restructuring costs, (v) acquisition and integration costs, (vi) litigation
settlement, (vii) net gain from extinguishment of debt, (viii) net gain on
investments, and (ix) early termination expenses. Management uses Adjusted
EBITDA, together with the supplemental information provided herein, to
understand, manage and evaluate business performance and to inform operating
decision-making. The Company relies primarily on its Condensed Consolidated
Financial Statements to evaluate financial performance and uses non-GAAP
financial measures only supplementally. We believe that Adjusted EBITDA is
useful to us and to our investors because it excludes certain financial, capital
structure and/or non-cash items that we do not believe directly reflect our core
operations or may not be indicative of our recurring operations. These items may
vary significantly over time and across companies within our industry
independent of core operating performance. We believe that excluding these items
allows for more meaningful period-over-period comparisons and improved
comparability relative to other companies. Adjusted EBITDA is not a recognized
financial measure under GAAP. Investors should consider Adjusted EBITDA in
addition to, but not as a substitute for, the most directly comparable financial
results calculated and presented in accordance with GAAP. Because our
calculation of Adjusted EBITDA may differ from that of other companies, our
presentation of Adjusted EBITDA may not be comparable to similarly titled
measures of other companies.

SHAREHOLDER LETTER Q3 2026 19

Investor Notice Investing in our securities involves a high degree of risk.
Before making an investment decision, you should carefully consider the risks,
uncertainties and forward-looking statements described under the heading "Risk
Factors" in our most recent annual report on Form 10-K and any other periodic
reports that we may file with the U.S. Securities and Exchange Commission (the
"SEC"). If any of these risks were to occur, our business, financial condition
or results of operations would likely suffer. In that event, the value of our
securities could decline, and you could lose part or all of your investment. The
risks and uncertainties we describe are not the only ones facing us. Additional
risks not presently known to us or that we currently deem immaterial may also
impair our business operations. In addition, our past financial performance may
not be a reliable indicator of future performance, and historical trends should
not be used to anticipate results in the future. See "Forward-Looking
Statements" below.
                              
  Forward-Looking Statements  
                              
This shareholder letter contains forward-looking statements within the meaning
of the federal securities laws. All statements, other than statements of
historical fact, included in this shareholder letter are forward-looking
statements. The words "may," "will," "could," "anticipate," "expect," "intend,"
"believe," "continue," "target" and similar expressions or variations or
negatives of these words are intended to identify forward-looking statements,
although not all forward- looking statements contain these identifying words.
Such forward-looking statements include, among other things, statements relating
to our strategic joint venture with Starwood, including the structure, timing
and expected benefits of the partnership; plans to develop, finance and operate
digital infrastructure projects, including at our Kearney and Hannibal sites;
our ability to fund, scale and allocate capital to joint venture projects; our
target of signing leases with tenants by year-end; the expected closing, timing,
financing and benefits of our acquisition of Long Ridge, including its expected
generation capacity, contracted output and contribution to Adjusted EBITDA; the
development of the site in Matagorda County, Texas, including the outcome and
timing of ERCOT’s Batch Zero interconnection study process and the verification
and audit directed by the Governor of Texas, the amount and timing of any power
allocated to the site and the milestone payments under our purchase agreement
with HIF; the expected growth of our power portfolio; expected demand from
enterprise, hyperscale and AI customers, including Exaion’s customer pipeline;
expansion into artificial intelligence, inference and high-performance compute;
anticipated benefits of our investment in Exaion, including its GPU-as-a-service
business; the deployment and expected benefits of Vertebrai; our share
repurchase program, including the timing and amount of any repurchases; our
bitcoin strategy, including holdings, sales, lending and borrowing and the use
of proceeds; our ability to satisfy holder put rights under our convertible
notes; our capital allocation priorities and liquidity; and potential domestic
and international expansion opportunities. Such forward-looking statements are
based on management's current expectations about future events as of the date
hereof and involve many risks and uncertainties that could cause our actual
results to differ materially from those expressed or implied in our forward-
looking statements. Subsequent events and developments, including actual results
or changes in our assumptions, may cause our views to change. We do not
undertake to update our forward-looking statements except to the extent required
by applicable law. Readers are cautioned not to place undue reliance on such
forward-looking statements. All forward-looking statements included herein are
expressly qualified in their entirety by these cautionary statements. Our actual
results and outcomes could differ materially from those included in these
forward-looking statements as a result of various factors, including, but not
limited to, the factors set forth under the heading "Risk Factors" in our most
recent annual report on Form 10-K and any other periodic reports that we may
file with the SEC.
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