Further to the TSX Venture Exchange bulletin dated Sept. 29, 2025, the exchange has accepted an amendment with respect to the plan of arrangement announced Aug. 6, 2025, Sept. 16, 2025, and Sept. 29, 2025.

Cusip number change

Effective at the open, Friday, Oct. 10, 2025, the shares of the company will commence trading under the new Cusip number (685788 10 1).

Trading symbol:  OCI (unchanged)

Cusip No.:  685788 10 1 (new)