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Annual Meeting

Dianthus Therapeutics, Inc. Announces Closing of its Upsized $719 Million Underwritten Public Offering Including Full Exercise of Underwriters’ Option to Purchase Additional Shares
Press Release

Dianthus Therapeutics Annual Meeting of Shareholders

May 22, 2025 at 9:00 a.m. ET.

You will be able to attend and participate in the Annual Meeting online by visiting www.proxydocs.com/DNTH, where you will be
able to listen to the meeting live, submit questions and vote.