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Trader Information - Amex Notice

Amex Vendor Alert #2008-28
Amex to Publish the MacroShares Applicable Reference Price of Crude Oil Index - RPCRX

The American Stock Exchange ("Amex") will begin publishing the MacroShares Applicable Reference Price of Crude Oil Index (Ticker Symbol: RPCRX) over the Consolidated Tape. The index value will be published once daily starting on Monday, June 23, 2008. A brief description is provided for your databases.

MacroShares Applicable Reference Price of Crude Oil Index - RPCRX
The MacroShares Applicable Reference Price of Crude Oil Index (RPCRX) is an index updated once daily to reflect the current value of the applicable reference price of crude oil used for the MacroShares $[100] Oil Up Trust and the MacroShares $[100] Oil Down Trust.