CN and Wayne Gretzky team up for CN Miracle Match in support of Stollery Children's Hospital

MONTREAL, Aug. 3, 2007 — CN (TSX:CNR)(NYSE:CNI) said today it is pleased to announce that hockey superstar and Hall-of-Fame legend Wayne Gretzky has accepted an invitation to attend the CN Canadian Women's Open at Royal Mayfair Golf Club in Edmonton, Alta, to participate in a fund raising pro-am to benefit the Stollery Children's Hospital.

Gretzky will play in the Wednesday August 15^th, pro-am with the 2006 defending champion of the CN Canadian Women's Open and 2007 U.S. Women's Open winner Cristie Kerr. CN will auction off the remaining two player spots as well as the chance to be Gretzky's personal caddie for the day. Bids will only be accepted online at www.cnmiraclematch.ca, starting on Friday August 3, 2007. The auction will close at 12 p.m. MT (2 p.m. ET) on Friday August 10th and winners will be announced later that day. All funds raised through the auction will be matched by CN.

“CN is thrilled Wayne has accepted our invitation to help support the CN Miracle Match program which was formerly announced in June this year,” said E. Hunter Harrison, president and chief executive officer. “Wayne holds a very special place in the hearts of Edmontonians and we know his presence will help bring even greater profile to this worthy cause.”

“I am looking forward to my return to Edmonton but especially because it will help raise money for Stollery,” said Gretzky. “CN's commitment to helping sick kids through the CN Miracle Match program is something I really wanted to personally support and I hope the people of Edmonton will show their generosity as well.”

ABOUT THE CN MIRACLE MATCH
CN Miracle Match is a national charitable initiative designed to rally communities across Canada behind a very worthy cause – Children's Hospitals. At CN we pledge to help maximize local fundraising through a unique matching program where together we can help Canada's leading healthcare facilities treat more children.

This year's tournament beneficiary is the Stollery Children's Hospital Foundation in Edmonton, Alberta.

ABOUT THE 2007 CN CANADIAN WOMEN'S OPEN
Stars of the LPGA Tour will be featured at the $2.25 million (US) CN Canadian Women's Open from August 13-19 at the Royal Mayfair Golf Club in Edmonton, Alta. This year marks the championship's 35th season on the LPGA Tour. Tickets for Canada's only LPGA Tour event can be purchased online at www.cncanadianwomensopen.com or by calling 1-866-571-LPGA.

CN Miracle Match Auction Backgrounder

• August 3, 2007
• Media inquiries please contact Jim Feeny, CN 780-421-6123

Auction Background
An exciting extension has been developed to the CN Miracle Match program. CN , in partnership with Wayne Gretzky and defending CN Canadian Women's Open Champion Cristie Kerr, has made available for auction a once in a lifetime Pro-AM foursome. The Wednesday Championship Pro-AM at the CN Canadian Women's Open in Edmonton on August 15^th will feature Wayne and Cristie in a STAR FOURSOME. All proceeds of the auction are to benefit Stollery Children's Hospital as part of CN's Miracle Match program. The following positions will be available for auction:

Auction Item Details
PRO-AM PLAYING POSITION # 1 WITH PERSONAL CADDIE
MINIMUM BID: $12,500
Details: One of two playing positions with Wayne and Cristie. Winner has option to bring own caddie [friend / family]

PRO-AM PLAYING POSITION # 2 WITH PERSONAL CADDIE
MINIMUM BID: $12,500
Details: One of two playing positions with Wayne and Cristie. Winner has option to bring own caddie [friend / family]

WAYNE GRETZKY CADDIE
MINIMUM BID: $2,500
Details: One position available to caddie for Wayne Gretzky

CN HONOURARY OBSERVER # 1
MINIMUM BID: $1,250
Details: One of two positions where winners will follow the STAR FOURSOME for all 18 holes as a VIP observer inside the ropes

CN HONOURARY OBSERVER # 2
MINIMUM BID: $1,250
Details: One of two positions where winners will follow the STAR FOURSOME for all 18 holes as a VIP observer inside the ropes

OFFICIAL STANDARD BEARER
MINIMUM BID: $1,000
Details: Only one position available. Winner will follow the STAR FOURSOME for all 18 holes with the observers inside the ropes as the official standard bearer

Auction / Bidding Process
Step 1:
Go to www.cnmiraclematch.ca and enter the ONLINE AUCTION section by clicking the window off the home page

Step 2:
Enter ‘Auction Items – August' and after reviewing the menu, select an auction item you would like to bid on

Step 3:
At the Auction Details page, click on the ‘Place Bid' button and then click on ‘Register Here' to create your own account. After creating your account, go back into ‘Place Bid' and enter your bid amount. Remember your username and password as it can be reused when you return to the site to bid again

Auction Timing and other Details
AUCTION START: Friday, August 3, 2007 at 12:00pm MST
AUCTION CLOSE: Friday, August 10, 2007 at 12:00pm MST

1. Auction items will be available for bidding exclusively at http://www.cnmiraclematch.ca
2. Bids received before the auction opens or after the auction closes will not be accepted
3. Auction winners can make payment by credit card or certified cheque once the winning bid has been confirmed
4. CN has graciously pledged to match all final auction totals and donate the corresponding funds to the CN Miracle Match campaign