The Government of Canada is phasing out the penny
Starting February 4, 2013, pennies will no longer be distributed to businesses or financial institutions.
For cash payments and change owed, retailers will decide how to adjust the final cash amount, which may include rounding.
Here’s an example of how the rounding works:

Rounding - Text Version
Electronic transactions such as debit and credit cards don’t need to be rounded, and will not be impacted.
Visit Canada's Economic Action Plan - Phasing out the Penny
or call 1 800 O-Canada.