Performance shown is historical and is not indicative of future returns. Investment returns and principal value will vary, and shares may be worth more or less at redemption than at original purchase. Performance shown is as of date indicated, and current performance may be lower or higher than the performance data quoted. To obtain performance as of the most recent month end, click here.

¹The fees and expenses shown in the table include both the expenses of the Fund and the Fund’s share of the allocated expenses of the Portfolio of State Street Master Funds.

*Annualized.

Important Information: Please note that the recent growth rate in the stock market has helped to produce short-term returns that are not typical and may not continue in the future. Indexes are unmanaged and one cannot invest directly in an index.

The Lipper S&P 500 Index Objective Funds Index tracks the results of the 30 largest mutual funds in the Lipper S&P 500 Index Objective Funds category. Lipper is an independent mutual fund research and ranking service.

The S&P 500 Index is a market capitalization weighted index of common stocks publicly traded in the United States.

American Beacon Funds is a service mark of American Beacon Advisors, Inc. S&P is a trademark of The McGraw-Hill Companies, Inc., and has been
licensed for use. "Standard & Poors®," S&P®", "Standard & Poor's 500," "S&P 500®" and "500" are all trademarks of The McGraw-Hill Companies, Inc. and
have been licensed for use by State Street Bank and Trust Company. The S&P 500 Index Fund is not sponsored, sold or promoted by Standard & Poor's,
and Standard & Poor's makes no representation regarding the advisability of investing in this Fund.

The P/E Ratio of a stock is calculated by dividing the current price by forecasted twelve-month earnings per share. The P/B Ratio of a stock is calculated by dividing the current price by book value per share. R-squared (R²) is the percentage of the Fund’s three-year return that is explained by movements in its benchmark index. Alpha is a measure of the Fund’s expected performance versus the benchmark, adjusted for relative risk. Beta is a measure of the Fund’s volatility versus the benchmark. Sharpe Ratio is a measure of the Fund’s return per unit of total risk. Standard Deviation is a measure of the historical volatility of the Fund’s returns.

American Beacon Funds is a service mark of American Beacon Advisors, Inc. S&P is a trademark of The McGraw-Hill Companies, Inc., and has been
licensed for use. "Standard & Poors®," S&P®", "Standard & Poor's 500," "S&P 500®" and "500" are all trademarks of The McGraw-Hill Companies, Inc. and
have been licensed for use by State Street Bank and Trust Company. The S&P 500 Index Fund is not sponsored, sold or promoted by Standard & Poor's,
and Standard & Poor's makes no representation regarding the advisability of investing in this Fund.