Press Release

Simon Property Group Announces Results of Dividend Elections and Details of Common Stock Dividend Payable on September 18, 2009

September 14, 2009
    --  Holders of 27.5 million shares elected to receive the dividend all in
        shares.
    --  Holders of 233.7 million shares elected to receive the dividend all in
        cash and will receive $0.1341 per share in cash (22%) and $0.4659 per
        share in stock (78%).
    --  Holders of 19.9 million shares made no election and will receive $0.12
        per share in cash (20%) and $0.48 per share in stock (80%).

    --  The Company will pay fractional shares in cash.

Based on stockholder elections, the dividend will consist of approximately $33.7 million in cash and approximately 2.0 million shares of SPG common stock. The number of shares included in the dividend was calculated based on the volume weighted average trading prices of the Company's common stock on September 9, September 10 and September 11, 2009, or $66.4717 per share.

About Simon Property Group

Simon Property Group, Inc. is an S&P 500 company and the largest public U.S. real estate company. Simon is a fully integrated real estate company which operates from five retail real estate platforms: regional malls, Premium Outlet Centers(R), The Mills(R), community/lifestyle centers and international properties. It currently owns or has an interest in 387 properties comprising 263 million square feet of gross leasable area in North America, Europe and Asia. The Company is headquartered in Indianapolis, Indiana and employs more than 5,000 people worldwide. Simon Property Group, Inc. is publicly traded on the NYSE under the symbol SPG. For further information, visit the Company's website at www.simon.com.

SOURCE Simon Property Group, Inc.

Investors, Shelly Doran, +1-317-685-7330, Media, Les Morris, +1-317-263-7711, both of Simon Property Group, Inc.