Exchange price limit rules for domestic stock index futures call for a quarterly re-assessment of price limits based on prevailing market prices. Limits are calculated quarterly at the close of business on the day preceding the commencement of a new calendar quarter. Thus, new limits shall become effective with the commencement of Electronic Trading Hours (ETH) on Thursday, March 31 at 3:30 p.m. The revised limits shall be applicable throughout the 2nd calendar quarter, 2005.

Please view the attached notice for more details.

Thank you.