Press Release

Simon Property Group Announces Results of Dividend Elections and Details of Common Stock Dividend Payable on June 19, 2009

June 12, 2009
    Summarized results of the dividend elections are as follows:

    --  Holders of 22.6 million shares elected to receive the dividend all in
        shares.
    --  Holders of 234.2 million shares elected to receive the dividend all in
        cash and will receive $0.1316 per share in cash (22%) and $0.4684 per
        share in stock (78%).
    --  Holders of 22.0 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 $33.5 million in cash and approximately 2.5 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 June 10, June 11 and June 12, 2009, or $52.8757 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 384 properties comprising 261 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.

CONTACT: Investors: Shelly Doran, +1-317-685-7330; Media: Les Morris, +1-317-263-7711

Web Site: http://www.simon.com