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Money Fund Rates 7 day Yield as of 07/29/10 Reserve Insured Deposits 0.090 % Government Cash Series 0.010 % Municipal Cash Series 0.000 % Prime Cash Series 0.010 % Treasury Cash Series 0.000 %

Interest Rates Current Yield as of 07/29/10 30 year Treasury bond 4.07 % 1 year Treasury bill 0.30 % 90 day Treasury bill 0.15 %

Money Rates Current Yield as of 07/29/10 Prime Rate 3.25 % Federal Funds Rate 0.00 % Discount Rate 0.75 %

Stock & Option Indices as of 07/29/10   Close Change Dow Jones Industrial Average (DJIA) 10467.20 -30.7 Nasdaq Composite 2251.69 -12.87 S&P 500 Index (SPX) 1101.53 -4.60 S&P 100 Index (OEX) 501.02 -1.95 Major Market Index (XMI) 1154.90 -3.28

Commodities as of 07/29/10   Close Change Gold (London spot), troy oz. $ +5.50 Silver (London spot), troy oz. $ 17.60 +0.080 Oil (W. Tx. Int, crude), barrel $ 78.13 -0.23

Currency Rates Late NY as of 07/29/10 Australian Dollar (per US dollar) 1.108890 Brazilian Real (per US dollar) 1.763000 British Sterling (per US dollar) 0.640660 Chinese Renminbi (per US dollar) 6.776120 Canadian Dollar (per US dollar) 1.033300 Euro (per US dollar) 0.764350 Hong Kong Dollar (per US dollar) 7.765000 Japanese Yen (per US dollar) 87.092840 Korean Won (per US dollar) 1186.239620 Kuwaiti Dinar (per US dollar) 0.287500 Mexican Peso (per US dollar) 12.648140 Saudi Riyal (per US dollar) 3.750210 Singapore Dollar (per US dollar) 1.362000 Swiss Franc (per US dollar) 1.039900 Taiwanese Dollar (per US dollar) 31.955010 Venezuelan Bolivar (per US dollar) 2145.922750

TIAA-CREF Brokerage Services uses the Pershing Base Lending Rate. The Base Lending Rate will change without prior notice. When the Pershing Base Lending Rate changes during an interest period, interest will be calculated according to the number of days each rate was effective during that period. You will be provided 30 days advanced notice of any change to the schedule of charges other than that of the Base Lending Rate. There is no repayment schedule, but interest is posted to your account monthly and requests for additional margin may be made if market conditions warrant or otherwise at the discretion of TIAA-CREF Brokerage Services and/or its clearing agent Pershing per the terms of your Margin Agreement. This is neither an offer to sell nor a solicitation of an offer to buy any of these securities. This data appears for informational purposes only. Rates are obtained from sources believed to be reliable but are not guaranteed and may vary with market conditions.