Press Release

INDIANAPOLIS, Sept. 29 /PRNewswire-FirstCall/ -- Simon Property Group, Inc. (NYSE: SPG), the country's largest owner, developer and manager of high quality retail real estate, announced today its inclusion in the Carbon Disclosure Project's (CDP) "Carbon Disclosure Leadership Index." The results were announced by the CDP at an event last week in New York.

This index highlights companies that have displayed the most professional approach to corporate governance with respect to climate change disclosure practices. Companies are scored on their climate change disclosure and high scores indicate good internal data management and understanding of climate change related issues affecting the company. Simon was the only real estate company to be recognized.

"We're delighted with this recognition of our ability to manage and report on carbon and climate change in relation to our business," said David Simon, chairman and CEO of Simon Property Group. "We feel that accurate measurement and disclosure of our carbon footprint is a key step in managing climate change risks and opportunities."

Paul Dickinson, chief executive of the Carbon Disclosure Project said, "Companies which control their risks today, manage their emissions and seize the opportunities to produce low carbon goods and services, will be the best placed to prosper in a low carbon economy of the future."

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®, The Mills®, 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.

About CDP

The Carbon Disclosure Project (CDP) is an independent not-for-profit organization holding the largest database of corporate climate change information in the world. CDP gathers data through its annual Information Requests on behalf of institutional investors, purchasing organizations and government bodies. Since its formation in 2000, CDP has become the gold standard for carbon disclosure methodology and process, providing essential climate change data to the global market place.

Investor CDP represents some 475 institutional investors, with combined assets under management in excess of $55 trillion. CDP also works with private and public sector organizations to facilitate the collection of climate change data from their supply chains, as well as with local government to drive emissions reduction and sustainable development in key cities around the world. More than 2,500 major corporations around the globe report their greenhouse gas emissions and the risks and opportunities posed by climate change through CDP.

The Carbon Disclosure Project is a Registered Charity (no. 1122330). In the United States, CDP's sponsor liaison is Rockefeller Philanthropy Advisors, which provides CDP with 501(c) 3 charitable status.

SOURCE Simon Property Group, Inc.

Les Morris of Simon Property Group, +1-317-263-7711, lmorris@simon.com