Jon S. Corzine, former chairman and chief executive officer ofMF Global Holdings Ltd., will apologize to investors, customers andemployees of the failed New York broker and tell lawmakers hedoesn't know the location of the estimated $1.2 billion in missingclient money.

“I simply do not know where the money is, or why the accountshave not been reconciled to date,” Corzine said in a statementprepared for a House Agriculture Committee hearing in Washingtontoday.

Corzine, a Democrat who served in the Senate and as New Jersey'sgovernor before joining MF Global, is scheduled to testify onevents leading to the brokerage's filing for bankruptcy protectionon Oct. 31. James W. Giddens, the trustee overseeing theliquidation of the firm, estimated that $1.2 billion in clientmoney is missing, and the Commodity Futures Trading Commission,Securities and Exchange Commission and Justice Department areinvestigating the collapse.