Soluna to Launch First Solar-Powered Data Center With 75 MW Project

About this update from Soluna Holdings, Inc.

Signs Term Sheet to Expand Pipeline with Project Annie ALBANY, N.Y. --(BUSINESS WIRE)-- Soluna Holdings, Inc. (“Soluna” or the “Company”), (NASDAQ: SLNH), a developer of green data centers for intensive computing applications, including Bitcoin mining and AI, announced today that it has signed a term sheet for power for Project Annie, a new 75 MW data center co-located with a 114 MW solar farm in northeast Texas . This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20250522312285/en/ Soluna to Launch First Solar-Powered Data Center with 75 MW Project Annie in Texas . Project Annie marks Soluna’s first solar-powered deployment, representing a strategic expansion of the Company’s modular computing platform into solar-rich markets. Developed in partnership with a leading U.S. renewable energy operator, the project is designed to convert underutilized solar energy to high performance computing. It underscores Soluna’s mission to transform excess renewable power into scalable, cost-effective digital infrastructure. “Project Annie is a game-changer,” said John Belizaire , CEO of Soluna . “It’s our first project tapping solar energy, and it paves the way for sustainable computing that works in harmony with the sun. We're proud to honor Annie Easley , a computing and energy pioneer, with a project that merges both worlds.” With Project Annie, Soluna continues to grow its development pipeline, which now exceeds 773 MW across wind, grid, and solar-powered computing projects. Project Location Power Source Size (MW) Model Status Dorothy 1A TX Wind 25 BTC Hosting Operating Dorothy 1B TX Wind 25 BTC Mining Operating Sophie KY Grid 25 BTC Hosting Operating Dorothy 2 TX Wind 48 BTC Hosting Construction Grace TX Wind 2 AI Hosting / Cloud Development Kati TX Wind 166 BTC / AI or HPC Hosting Shovel Ready Rosa TX Wind 187 BTC / AI or HPC Hosting Development Hedy TX Wind 120 BTC / AI or HPC Hosting Development Ellen TX Wind 100 BTC / AI or HPC Hosting Development Annie TX Solar 75 BTC / AI or HPC Hosting Development The company will now focus on completing definitive power purchase agreements, land agreements, and ERCOT planning for Project Annie. As part of Soluna’s tradition of naming projects after women pioneers in science and technology, Project Annie honors Annie Easley , one of the first African American computer scientists and mathematicians at NASA who made critical contributions to rocket systems and energy technologies. For more information, visit www.solunacomputing.com . Soluna’s glossary of terms can be found here . Safe Harbor Statement This announcement contains forward-looking statements. These statements are made under the “safe harbor” provisions of the U.S. Private Securities Litigation Reform Act of 1995. These forward-looking statements can be identified by terminology such as “will,” “expects,” “anticipates,” “future,” “intends,” “plans,” “believes,” “estimates,” “confident” and similar statements. Other examples of forward-looking statements may include, but are not limited to, statements of Soluna’s plans and objectives, including with respect to the development of Project Annie and our expectations with respect to the amount of renewable energy Project Annie will deliver. Soluna may also make written or oral forward-looking statements in its periodic reports to the U.S. Securities and Exchange Commission (“SEC”), in its annual report to shareholders, in press releases and other written materials, and in oral statements made by its officers, directors, or employees to third parties. Statements that are not historical facts, including but not limited to statements about Soluna’s beliefs and expectations, are forward-looking statements. Forward-looking statements involve inherent risks and uncertainties, further information regarding which is included in the Company’s filings with the SEC . All information provided in this press release is as of the date of the press release, and Soluna undertakes no duty to update such information, except as required under applicable law. About Soluna Holdings, Inc. (Nasdaq: SLNH) Soluna is on a mission to make renewable energy a global superpower, using computing as a catalyst. The company designs, develops, and operates digital infrastructure that transforms surplus renewable energy into global computing resources. Soluna’s pioneering data centers are strategically co-located with wind, solar, or hydroelectric power plants to support high-performance computing applications, including Bitcoin Mining, Generative AI, and other compute-intensive applications. Soluna’s proprietary software MaestroOS(™) helps energize a greener grid while delivering cost-effective and sustainable computing solutions and superior returns. To learn more, visit solunacomputing.com and follow us on: LinkedIn: https://www.linkedin.com/company/solunaholdings/ X (formerly Twitter): x.com/solunaholdings YouTube: youtube.com/c/solunacomputing Newsletter: bit.ly/solunasubscribe Resource Center : solunacomputing.com/resources Soluna regularly posts important information on its website and encourages investors and potential investors to consult the Soluna investor relations and investor resources sections of its website regularly. View source version on businesswire.com : https://www.businesswire.com/news/home/20250522312285/en/ Cybele Ramirez Director, Marketing Soluna Holdings, Inc. [email protected] Source: Soluna Holdings, Inc.

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