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Please be advised that CME Clearing will be changing the filename of the CPB993C Ad Hoc Hourly Exposure Report.

Current filename: CPB993C_xxx_yyyymmdd.csv (where xxx is the Firm Number) New filename: CPB993C.yyyymmdd.CME.xxx.csv.

The files will continue to be delivered via sFTP. Both reports will be produced concurrently starting Monday, May 11, 2026. Users will be expected to transition to using the new report as soon as possible. The report with the current naming convention will be discontinued on Friday, June 12, 2026.

For the full text of this advisory, please click the link below.

CME Group is the world’s leading derivatives marketplace. The company is comprised of four Designated Contract Markets (DCMs). 
Further information on each exchange's rules and product listings can be found by clicking on the links to CME, CBOT, NYMEX and COMEX.

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