DatChat rebrands to Myseum, Inc.; ticker changes to MYSE and MYSEW on August 11

Myseum.AI, Inc.

Company renamed from DatChat, Inc. to Myseum, Inc. effective August 7, 2025 via Nevada certificate of amendment.
Common stock and Series A warrants will trade as MYSE and MYSEW on Nasdaq starting August 11, 2025.
No shareholder vote required; stockholder rights and CUSIP numbers unchanged.
Rebranding reflects strategic focus on Myseum social media platform; upcoming platform upgrade planned for fall.

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