Caisse de dépôt et placement du Québec acquires shares of Nova Chemicals Corporation

The Caisse de dépôt et placement du Québec (the “Caisse”) announces that it has acquired, on the Toronto Stock Exchange, 42,000 common shares of Nova Chemical Corp (TSX:NCX) (“Nova”) or 0.05% of such shares outstanding at a price of CDN $18.66 per share.

Before this transaction, Caisse held 8,037,476 common shares of Nova as well as 2,500 options to acquire 250,000 common shares of Nova (the “Options”) at an exercise price of CDN $25 per share, on or before January 16, 2009.

Following this transaction, and if the Caisse were to exercise the Options that it holds, the total number of Nova common shares that it would own would be 8,329,476, or 10.02% of such shares outstanding on a partially diluted basis.

This transaction was made for investment purposes and the Caisse could increase or reduce its investment in Nova according to market conditions or other relevant factors.