CELLECTIS

Admission on Alternext:
- 5,076,682 existing shares representing the outstanding capital of Cellectis,
- a maximum of 1,797,752 new shares by way of public offering,
- a maximum of 269,662 new shares in case the extension option is fully exercised,
- a maximum of 310,112 new shares in case the Greenshoe is fully exercised,
- 1,736,678 new shares from a capital increase in redemption of Redeemable Convertible Bonds (ORA) which admission to trading will take place later.

A maximum of 1,797,752 new shares, (2,377,526 in case of full exercise of Extension option and Greenshoe), will be offered to the public within the framework of a Global Placement and an Open Price Offer (OPO).

Extension option: Depending on the demand, the number of shares in the Offer could be raised by a maximum of 269,662 new shares representing 15% of the number of shares initially offered in the opération.

Greenshoe: In order to cover any over-allocations, the company Cellectis may issue to the profit of the Bookrunner, Société Générale Corporate and Investment Bank, a Greenshoe that allows to subscribe at the Offer Price a maximum of 310,112 new shares (in case of fully exercise of Extension option) i.e 15% of the number of shares initially offered within the Framework. The exercise of the Greenshoe shall take place no later than 8 March 2007.