2008-1007 - Symbol Changes - Effective October 17

October 15, 2008

CNQ is adopting a trading symbol format based on a root symbol of up to 3 characters plus extensions.  Assignment of symbols will be coordinated between Canadian stock exchanges to ensure symbols are not in use, reserved or restricted.  Symbols for all securities currently listed on CNQ will be changed to reflect the new format.  The final symbol changes will be effective for trading on Friday, October 17, 2008.

Note: These are symbol changes only. 

The Effective Date for the final 2 symbol changes is Friday, October 17, 2008

Security                                                                                Current Symbol     New Symbol

Biosign                     .                                                                       BIOS                    BIO
ZAB Resources Inc.                                                                      ZABK                  ZAB

If you have any questions or require further information please contact Radhika at (416) 572-2000 X 2435 or E-mail: [email protected]