Cellectis to Report Third Quarter 2024 Financial Results on November 4, 2024

New York, NY - October 30, 2024 - Cellectis (the "Company") (Euronext Growth: ALCLS- NASDAQ: CLLS), a clinical-stage biotechnology company using its pioneering gene-editing platform to develop life-saving cell and gene therapies, today announced that it will report financial results for the third quarter 2024 ending September 30, 2024 on Monday, November 4, 2024 after the close of the US market.

The publication will be followed by an investor conference call and webcast on Tuesday, November 5, 2024 at 8:00 AM ET / 2:00 PM CET. The call will include the Company's third quarter results and an update on business activities. Details for the call are as follows:

Dial in information:

Domestic: +1-800-225-9448

International: +1-203-518-9708

Conference ID: CLLSQ3

Webcast Link: https://viavid.webcasts.com/starthere.jsp?ei=1688144&tp_key=affca25222