Signing Day Sports Trades Through March 16; BlockchAIn Debuts AIB March 17

SGNSGN

Signing Day Sports shares will trade as SGN through March 16 close; BlockchAIn Inc. stock begins trading as AIB at 9:30 a.m. EDT on March 17. Combined entity will operate a 40 MW South Carolina AI and HPC data center that generated $22.9 million revenue and $5.7 million net income in 2024.

1. Ticker Transition and Trading Schedule

The business combination approved on March 13 will close on March 16, allowing Signing Day Sports common stock to trade under SGN through market close. BlockchAIn Inc. common stock is scheduled to begin trading as AIB at 9:30 a.m. EDT on March 17, 2026, under new CUSIP 093919108.

2. Post-Merger Operational Focus

Upon closing, Signing Day Sports and BlockchAIn LLC become operating subsidiaries of BlockchAIn Inc., which runs a 40 MW data center in South Carolina. That facility generated $22.9 million in revenue and $5.7 million in net income in 2024, and the combined company plans AI and HPC expansions in 2026 and 2027.

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