Please be advised that there will be no change to the Daily Spot Gas Price at AECO C & NIT index table published in the Canadian Gas Price Reporter for the Canadian Statutory Holiday on Tuesday, July 1st, 2003. The index for July 1st, 2003 will be derived from all trading in the IA SD-Jul 1 instrument on July 1st. NGX will have a variety of instruments available on Friday, June 27 and Monday, June 30 for trading this holiday in advance of July 1st.

Due to the NYMEX closure and the Calgary Stampede Parade, the Weekend# will be used as a proxy for Friday, July 4th for purposes of calculating Lines 3, 3A, 4 and 4A, and the Weekend# will be used as a proxy for Thursday, July 3rd in Lines 5 and 5A. in the Daily Spot Gas Price at AECO C & NIT index table published in the Canadian Gas Price Reporter. The Weekend# will derived from all trading in the IA R4-Jul 3 instrument (R, F, S, S).

The WKD number will be used as a proxy for Friday, July 4th, in each of the NGX AECO Next Day Price Index, Union Dawn Spot Day Price Index and NGX Empress Transport Spot Day Price Index tables published on page 16 of the Canadian Gas Price Reporter. The WKD number will be derived from all trading in the F4-Jul 4 instrument (F,S,S,M) traded on Thursday, July 3rd at each of these respective hubs.

NGX will be open for trading from 6:30AM to 3:30 PM MST on Tuesday July 1st and Friday, July 4th, 2003.

If you have any questions or concerns, please contact your NGX marketing representative or the NGX Help Desk at (403) 974-4357.