The Amex will be participating in an industry-wide test for member firms on Saturday, June 30, 2007. The purpose of this test is for member firms to ensure that their systems will comply with Regulation NMS obligations in the RegNMS Pilot Stocks Phase, which will commence on July 9, 2007.

The Amex will make its systems available to you from 9:00 a.m. to 12:00 noon Eastern Time on Saturday, June 30th. A normal opening will be conducted at 9:30 a.m. Eastern Time, and systems will be available until 12:30 p.m. Eastern Time.

The following symbols will have simulated liquidity during the testing period. You will be able to enter orders, amendments and cancellations. Orders entered in other symbols may or may not be executed but no contra-side liquidity will be made available by the Amex. Orders in securities where Amex does not have the best price will be routed out, as appropriate, to other participating market centers. Any unexecuted orders will be purged from Amex systems at the end of the test.

DIA
EGO
GSS
IWM
KRY
OIH
ONT
QID
SMH
SPY
TIV
XLB
XLE

The Amex will send quotes and trades to firms with SFTI connections for market data. No post-trade processing will be performed, nor will any post-trade files (AMOLS) be provided.

Only orders sent to the AEMI book through CMS or directly to AEMI using Amex FIX connectivity will be accepted. Orders will not be routed to, or accepted from booth or floor broker hand held terminals.

In order to participate in this test, please complete the Amex Member Firm Participant Registration Form below, and email it by close of business on Tuesday, June 26, 2007.

If you have further questions about this test, please contact Peter Fetiak at 212-306-1472.