Signing Day Sports Announces Anticipated Closing Date for Business Combination with BlockchAIn Digital Infrastructure

Key Highlights from the Announcement

• Anticipated Closing Date: Signing Day Sports, Inc. (“Signing Day Sports”, NYSE American: SGN) has announced that it expects to close its proposed business combination with BlockchAIn Digital Infrastructure, Inc. and its affiliates on March 16, 2026, subject to stockholder approval and other customary closing conditions.
• New Trading Symbol: Upon closing, BlockchAIn Digital Infrastructure, Inc. (“BlockchAIn Inc.”) is expected to commence trading on the NYSE American under the ticker symbol “AIB”.
• Corporate Structure: Both Signing Day Sports and One Blockchain LLC (BlockchAIn LLC) will become operating subsidiaries of BlockchAIn Inc. after the transaction closes.

Details That May Affect Shareholders and Share Value

• Strategic Rationale: The transaction positions the combined company as an AI-focused digital infrastructure platform, targeting the rapidly growing demand for artificial intelligence (AI) and high-performance computing (HPC) workloads. This shift may significantly alter the company’s risk and growth profile.
• BlockchAIn LLC’s Recent Performance: BlockchAIn LLC operates a 40 MW data center in South Carolina, which generated approximately \$22.9 million in revenue and \$5.7 million in net income in 2024. The company is planning further AI data center expansions in 2026 and 2027.
• Stockholder Vote Required: The completion of the business combination remains subject to stockholder approval. Shareholders will be asked to vote on the transaction and are encouraged to carefully review the proxy statement/prospectus sent to them.
• Potential Price Sensitivity: Any change in the anticipated closing date, failure to secure shareholder or regulatory approvals, or issues with the integration of the companies could materially affect the share price. Conversely, successful completion and new NYSE American listing under “AIB” could attract new investor interest and impact trading volumes.
• Regulatory Filings: All relevant SEC filings, including the Registration Statement and Proxy Statement/Prospectus, are available for review and include detailed “Risk Factors” that investors should consider.

Statements from Company Leadership

Daniel Nelson, CEO of Signing Day Sports: “We believe the combined company will be well-positioned as an AI-focused digital infrastructure platform, and we look forward to completing the transaction and beginning the next chapter as a part of BlockchAIn Inc. on the NYSE American.”

Jerry Tang, CEO of BlockchAIn Inc.: “Becoming a publicly traded company represents an important step as we continue executing our strategy to develop scalable digital infrastructure designed to support the rapidly growing demand for AI and high-performance computing workloads.”

About the Companies

BlockchAIn LLC

BlockchAIn LLC specializes in developing and operating digital infrastructure for HPC and AI hosting, with a focus on scalable, sustainable power and data infrastructure. The company’s primary facility is a 40 MW data center in South Carolina, with plans for further expansion.

Signing Day Sports, Inc.

Signing Day Sports helps student-athletes pursue college sports opportunities by providing an app for building recruitment profiles, including video-verified athletic and academic information for college coaches.

Investor Actions & Important Disclosures

• Shareholder Voting: All shareholders of Signing Day Sports are urged to read the Proxy Statement/Prospectus and any other relevant SEC filings prior to making a voting decision. These documents can be accessed free of charge at www.sec.gov.
• No Offer or Solicitation: This communication does not constitute an offer to sell or the solicitation of an offer to buy any securities.
• Participants in the Solicitation: Directors, executive officers, and certain employees of Signing Day Sports may be deemed to be participants in the solicitation of proxies from stockholders.

Forward-Looking Statements

This announcement contains forward-looking statements subject to risks and uncertainties, including but not limited to completion of the transaction, integration of operations, regulatory approvals, and future performance. Actual results may differ materially from those projected.

Disclaimer

This summary is provided for informational purposes only and does not constitute investment advice, an offer, or a recommendation with respect to any securities. Investors should conduct their own due diligence and consult their financial advisor before making any investment decisions. Past performance is not indicative of future results. The companies and their representatives undertake no obligation to update forward-looking statements except as required by law.

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