Trading Unit: Job Lots: 20 tons (One); Board Lots: 100 tons (Five)

Delivery Grades: #1 Canada or higher at par

Tick Size: Price fluctuation units are $.10/ton; Job Lots: $2/tick; Board Lots: $10/tick

Daily Price Limit: $5/ton

Contract Months: March, May, July, September and December

Trading Hours: 9:30 a.m. - 1: 15 p.m. Central time

Ticker Symbol: RS

Delivery Point: Multiple delivery points including Alberta, Saskatchewan,and Manitoba

Expanded Limits: If two of the three nearest contract months close limit up or down, the daily limit for that commodity shall expand to 150% of normal for the next three succesive business days. If two of the three nearest contract months close limit up or down on the third day of that period , the limit shall remain at 150% of normal for another three day period. The daily limit will return to normal if no limit move occurs in two of the three nearest contract on the third day of any such three day period.