The B.C.-based pulp and paper producer was delisted from the market last March.
It later completed a court-supervised restructuring in June.
The Vancouver-area company says a new class of shares will trade on the TSX under the symbol CYT beginning on Jan. 7.
The Richmond-based company has also initiated a program for shareholders with a small amount of stock if they wish to sell them all at once.
Catalyst says investors of record as of Jan. 3 with fewer than 100 of its new shares will be able to sell them without incurring commission charges.