Signing Day Sports Stockholders Approve Previously Announced Business Combination with BlockchAIn Digital Infrastructure at Today's Special Meeting of Stockholders

Closing expected on March 16, 2026 BlockchAIn Inc. common stock is expected to begin trading on the NYSE American under the ticker symbol “AIB” on March 17, 2026, at 9:30am EDT SCOTTSDALE, AZ, March 13, 2026 (GLOBE NEWSWIRE) -- Signing Day Sports, Inc. (“Signing Day Sports” or the “Company”) (NYSE American: SGN), today announced that its stockholders approved the previously announced proposed business combination (the “Business Combination”) with BlockchAIn Digital Infrastructure, Inc. (“BlockchAIn Inc.”), One Blockchain LLC (“BlockchAIn LLC,” and together with BlockchAIn Inc., “BlockchAIn”), and certain affiliates of BlockchAIn at the Company's Special Meeting of Stockholders (the “Special Meeting”) held earlier today. At the closing of the Business Combination (the “Closing”), which is expected to occur on March 16, 2026, Signing Day Sports and BlockchAIn LLC are expected to become operating subsidiaries of BlockchAIn Inc. On March 17, 2026, the common stock of BlockchAIn Inc. is expected to begin trading on the NYSE American under the ticker symbol “AIB” at 9:30am EDT.