News Release

CME Joins With Fifth Third Bank to Offer Cash Collateral Management Program

Mon Jul 25 2005

CME Cash with Interest Program Helps Meet Futures Commission Merchants’ Initial Margin Requirements Using Cash as Collateral CHICAGO, July 25, 2005- CME, the largest futures exchange in the U.S., and Fifth Third Bank announced today that the bank is working jointly with the CME Clearing House, the largest futures clearing organization in the world, to offer clearing members of CME an additional investment alternative known as the CME Cash with Interest Program, which is part of the highly successful CME IEF®5 Program. IEF5, originally launched by CME in partnership with JP Morgan Chase, is a highly flexible collateral management program that allows clearing firms utilizing the program to earn a “hard dollar” benefit on 100 percent liquid cash accounts. The CME Cash with Interest Program does not require a capital adjustment - or “haircut” - and is completely liquid at all times. Under CME Cash with Interest, CME clearing members can satisfy a portion of their initial margin requirement using cash as collateral and earn “hard dollar” monthly returns. Cash designated by Futures Commission Merchants (FCMs) for IEF5 and allocated to Fifth Third is placed in CME-controlled accounts and is administered by Fifth Third Bank. “CME Cash with Interest is another innovative product introduced by the CME Clearing House to enhance financial flexibility for the management of initial margin - or performance bond - requirements for FCMs,” said Kim Taylor, Managing Director and President of CME Clearing House. “Working with leading financial institutions like Fifth Third Bank allows CME to further enhance capital efficiencies for our members and global market participants.” ”We are pleased to partner with the Chicago Mercantile Exchange to provide our customers and investors with highly-specialized programs that offer meaningful returns on their investments, said Carson Lugibihl, senior vice president, Fifth Third Bank Investment Advisors.” “Our cash collateral program is a unique funding platform that provides Clearing Futures Merchants with additional investment sources and expands our product set and commitment to this important market,” said Louis L. Weinzelbaum, senior vice president, Fifth Third Bank Investment Advisors. CME’s specialized Collateral Management Program’s were launched in 1997 with the CME Managed Fund Program. CME Cash with Interest was launched in July 2004 and includes the following benefits: CME Cash with Interest is a bank account that pays a monthly “hard dollar” benefit; The “hard dollar” benefit is based on the Fed Funds effective rate; and, CME processes all transfers on behalf of the clearing firm. About CME Chicago Mercantile Exchange Inc. (www.cme.com) is the largest futures exchange in the United States. As an international marketplace, CME brings together buyers and sellers on the CME Globex electronic trading platform and on its trading floors. CME offers futures and options on futures primarily in four product areas: interest rates, stock indexes, foreign exchange and commodities. The exchange moved about $1.5 billion per day in settlement payments in first-quarter 2005 and managed $44.4 billion in collateral deposits at March 31, 2005, including $4.3 billion in deposits for non-CME products. CME is a wholly owned subsidiary of Chicago Mercantile Exchange Holdings Inc. (NYSE, NASDAQ: CME), which is part of the Russell 1000® Index. About Fifth Third Bancorp Fifth Third Bancorp is a diversified financial services company headquartered in Cincinnati, Ohio. The Company has $103.2 billion in assets as of June 30, 2005. The Company currently operates in Illinois, Ohio, Kentucky, Indiana, Michigan, Florida, Tennessee, West Virginia and Pennsylvania. The financial strength of Fifth Third Bank continues to be recognized by rating agencies with deposit ratings of AA- and Aa1 from Standard & Poor’s and Moody’s, respectively. Additionally, Fifth Third Bancorp continues to maintain the highest short-term ratings available at A-1+ and Prime-1 and is recognized by Moody’s with one of the highest senior debt ratings for any U.S. bank holding company of Aa2. Fifth Third operates four main businesses: Retail, Commercial, Investment Advisors and Fifth Third Processing Solutions. Investor information and press releases can be viewed at www.53.com. Fifth Third’s common stock is traded through the NASDAQ® National Market System under the symbol “FITB.” Statements in this news release that are not historical facts are forward-looking statements. These statements are not guarantees of future performance and involve risks, uncertainties and assumptions that are difficult to predict. Therefore, actual outcomes and results may differ materially from what is expressed or implied in any forward-looking statements. More detailed information about factors that may affect our performance may be found in our filings with the Securities and Exchange Commission, including our most recent annualreport on Form 10-K, which can be obtained at its Web site at www.sec.gov. We undertake no obligation to publicly update any forward-looking statements, whether as a result of new information, future events or otherwise. Chicago Mercantile Exchange, CME, the globe logo and CME Globex are registered trademarks of Chicago Mercantile Exchange Inc. E-mini is a trademark of CME. CLEARING 21 is a registered trademark of CME and New York Mercantile Exchange, Inc. S&P, S&P 500, NASDAQ-100, Nikkei 225, Russell 1000, Russell 2000, TRAKRS, Total Return Asset Contracts and other trade names, service marks, trademarks and registered trademarks that are not proprietary to Chicago Mercantile Exchange Inc. are the property of their respective owners, and are used herein under license.

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