Precision Drilling CorporationTSX: PD

Standard & Poor's Announces Changes In S&P/TSX Canadian Indices

· Issued by Precision Drilling Corporation via CNW
TORONTO, Nov. 2 /CNW/ - Standard & Poor's Canadian Index Operations
announces the following index changes effective after the close of business on
Friday, November 4, 2005:

-  On October 31, 2005, the shareholders of Precision Drilling
   Corporation (TSX:PD) approved the proposed conversion of the company
   into an income trust, Precision Drilling Trust (TSX:PD.UN). As a
   result, Precision Drilling Corporation will be removed from the
   S&P/TSX 60 and 60 Capped, the S&P/TSX Composite and Capped Composite,
   the S&P/TSX Capped Energy and the Provisional S&P/TSX Composite
   Indices. ACE Aviation Holdings Inc. (TSX:ACE.B) will replace Precision
   Drilling Corporation in the S&P/TSX 60 and 60 Capped Indices. ACE
   Aviation Holdings Inc. will be deleted from the S&P/TSX SmallCap and
   Provisional S&P/TSX SmallCap Indices. Precision Drilling Trust will be
   added to the Provisional S&P/TSX Composite, the Provisional S&P/TSX
   MidCap and the Provisional S&P/TSX Income Trust Indices. Catalyst
   Paper Corporation (TSX:CTL) will be deleted from the Provisional
   S&P/TSX MidCap Index and added to the Provisional S&P/TSX SmallCap
   Index. As part of this transaction, ACE Aviation Holdings Inc. will
   also be added to and Precision Drilling Corporation will be deleted
   from the S&P Global 1200 Index on the same date.

Company additions to and deletions from an S&P equity index do not in any
way reflect an opinion on the investment merits of the company.

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