Cellectis

Declaration of Voting Results & Voting Rights Announcements • Jun 5, 2025

Monthly information on share capital and company voting rights

(Article 223-16 of General Regulation of the French financial markets authority)

Listing market: Euronext Growth

ISIN code: FR0010425595

Date	Total number of shares in the capital	Total number of voting rights
05/31/2025	100,325,229	89,110,384

For further information on Cellectis, please contact:

Media contacts:

Pascalyne Wilson, Director, Communications, +33 (0)7 76 99 14 33, media@cellectis.com Patricia Sosa Navarro, Chief of Staff to the CEO, +33 (0)7 76 77 46 93

Investor Relations contact:

Arthur Stril, Chief Financial Officer & Chief Business Officer, investors@cellectis.com