text: The changes were the net effect of: 
  (cid:129) a 5% increase in cash from operations before changes in non-cash 
  operating items 
  
  **Financing Activities**
  *Debt Issuances*
  On March 7, 2013 we issued US$1.0 billion of senior notes for total net 
  proceeds of approximately Cdn$1,015 million (US$985 million), after 
  deducting the original issue discount and debt issuance costs, with the 
  proceeds used for general corporate purposes. The notes issued 
  consisted of the following: 
  (cid:129) US$500 million of 3.0% senior notes due in 2023 (the*March 2023*
  
  (cid:129) net  funding provided by non-cash working capital  this year 
  compared to a net investment in 2012 
  
  (cid:129) a 3% increase in interest paid on long-term debt due to an increase 
  in the amount of outstanding debt, partially offset by a decrease in 
  the weighted-average interest rate 
  (cid:129) higher cash income tax payments in 2013. 
  
  *Notes*) 
  (cid:129) US$500 million of 4.5% senior notes due in 2043 (the*March 2043*
  *Notes*). 