As a result of the quarterly review, S&P Dow Jones Indices will make changes in the S&P/TSX Composite Index prior to the open of trading on Monday, Dec. 24, 2018.

                            S&P/TSX COMPOSITE INDEX -- DEC. 24, 2018

Change                    Company   Symbol    GICS sector                         GICS subindustry

Deleted   Advantage Oil & Gas Ltd.     AAV         Energy   Oil and gas exploration and production