September 22 , 2011

 Gold and Platinum Options Continue Hot Streak
 Change in Contract Size for Cleared OTC London Gold Forwards
 E-micro Gold Futures: Add the Flexibility of Fungibility

 CME Group School of Futures - London

 Monthly Metals Update - Chart Book
 Professional Metals Market Commentary on www.cmegroup.com
 Don't Miss a Minute of CME Group News!

Gold and Platinum Options Continue Hot Streak

Gold options open interest reached a new high of 1,448,222 contracts on September 19, 2011, breaking the previous record of 1,444,251 attained September 9, 2011. E-Micro gold futures also broke the previous open interest record obtained on September 12, 2011 of 4,442 with 4,594 contracts on September 19, 2011. Platinum options also peaked with an open interest of 29,679 achieved on September 19, 2011, surpassing the 29,630 attained on September 15, 2011.

Change in Contract Size for Cleared OTC London Gold Forwards

Effective for trade date Monday, September 26, 2011, the Exchange will change the contract size and fee structure of the Cleared OTC London Gold Forwards contract. The contract size will change from the current 100 Troy Ounces to 0.001 Troy Ounces. This contract is available for clearing on CME ClearPort.

There will be a waiver of clearing fees for the Cleared OTC London Gold Forwards contract until November 1, 2011.

For more information, please contact:

Joann Arena, +1 212 299 2356

Patricia Cauley, +1 212 299 2346

Read Special Executive Report 5930.

E-micro Gold Futures: Add the Flexibility of Fungibility

As of September 12, 2011, the E-micro Gold futures contract (commodity code: MGC) now offers the added opportunity of a 10:1 offset with the 100 oz. benchmark Gold (GC) futures contract.

The implementation of fungibility occurs in all contracts months starting with the October 2011 contract.

Since inception in October 2010, the E-micro Gold futures contract has traded an average daily volume of more than 1,100 contracts reaching a daily high of 8,574 contracts on August 9, 2011. Open interest currently stands at more than 1,600 contracts.

 For more information on this added functionality, please read Special Executive Report 5881

CME Group School of Futures - London

This is a comprehensive, four-day introductory program created by industry education experts from CME Group for those interested in learning the basics of futures, options and centralized clearing. You will also learn about each of the key markets, including Equity Indexes, FX, Interest Rates, Energy, Metals and Agriculture - all through a variety of presentations, interactive discussions and hands-on trading sessions. If you plan on working in the business side of virtually any industry, you owe it to yourself to gain a firm grasp of how the futures markets work.

Cost: 1,000 British Pounds Sterling (approx. $1,625 USD)

Location:
One Moorgate Place
London
EC2R 6EA
T: 020 7920 8625

Who Should Attend: Both courses are introductory level programs intended for firms or individuals who are first entering or transitioning into a futures industry related role, whether it be trading, back-office, regulatory or media. Attendees will gain a deep understanding of market history, terminology, the regulatory environment, market platforms and financial integrity, as well as trading applications from both a hedge and speculative perspective.

Enroll today. Space is limited.

 For more information go to www.cmegroup.com/schooloffutures

Access the Monthly Metals Update - Chart Book to view a global trading summary of metals markets, including product highlights, average daily volume, open interest and historical volatility.

 For more information on Exchange metals products, please visit cmegroup.com/metals, or contact one of the following Exchange representatives:

Professional Metals Market Commentary on www.cmegroup.com

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About CME Group

As the world's leading and most diverse derivatives marketplace, CME Group is where the world comes to manage risk. CME Group exchanges offer the widest range of global benchmark products across all major asset classes, including futures and options based on interest rates, equity indexes, foreign exchange, energy, agricultural commodities, metals, weather and real estate. CME Group brings buyers and sellers together through the CME Globex electronic trading platform and trading facilities in New York and Chicago. CME Group also operates CME Clearing, one of the largest central counterparty clearing services in the world, which provides clearing and settlement services for exchange-traded contracts, as well as for over-the-counter derivatives transactions through CME ClearPort.

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