Owner of Oxford Valley Mall Recognized for Sustainability

For Further Information, Please Contact:

Jennifer Sherlock: 609.369.3482

jsherlock@jennacommunications.com

SIMON PROPERTY GROUP RECOGNIZED BY CDP FOR CLIMATE CHANGE DISCLOSURE

– Owner of Oxford Valley Mall also Lauded as Retail Leader by The Global Real Estate Sustainability Benchmark –

Langhorne, Pa, Sept. 26, 2012—Simon Property Group, Inc. (NYSE:SPG), the world’s leading retail real estate company announced today two recent awards recognizing its commitment to sustainability issues.

Simon properties in the Philadelphia Metro Area include Oxford Valley Mall.

“To help contribute to sustainability initiatives, our marketing department reuses plastic signage,” said mall director of marketing Jim Malervy. “We simply order new decals and place them on the existing plastic backing, which saves money and cuts down on waste.”

For the second consecutive year, SPG has been recognized by the Carbon Disclosure Project (CDP) with inclusion in its select Carbon Disclosure Leadership Index (CDLI). Once again SPG was the only real estate company to be awarded the CDLI distinction.

This index highlights those companies within the S&P 500 Index which have displayed a strong approach to information disclosure regarding climate change. 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. The CDP represents 655 institutional investors with $78 trillion in assets.

“Our goal is to be as transparent as possible so it’s especially gratifying to be recognized once again for good information disclosure regarding climate change,” said George Caraghiaur, Senior Vice President of Energy & Procurement at Simon Property Group.

Paul Simpson, Chief Executive Officer of CDP, said, “Companies that make the Carbon Disclosure Leadership Index have demonstrated strong internal data management practices for the measurement of greenhouse gas emissions and energy use. This is vital to realizing greater efficiencies, protecting the business from risk and capitalizing on opportunities.”

SPG was also named a regional sector leader in retail by The Global Real Estate Sustainability Benchmark (GRESB) in its recently released 2012 Report. The report is based on sustainability data gathered from approximately 450 property companies and funds worldwide, providing aggregate information for 36,000 properties, representing $1.3 billion in global assets under management.

About Oxford Valley Mall:

The Oxford Valley Mall is a two-level, super-regional mall located at the intersection of East Lincoln Highway and Oxford Valley Road in Langhorne, Pennsylvania. Oxford Valley has over 150 retailers and is anchored by jcpenney.

About Simon Property Group:

Simon Property Group, Inc. (NYSE:SPG) is an S&P 100 company and the largest real estate company in the world.  The Company currently owns or has an interest in 332 retail real estate properties in North America and Asia comprising 241 million square feet. We are headquartered in Indianapolis, Indiana and employ approximately 5,500 people in the U.S.  For more information, visit the Simon Property Group website at www.simon.com.

About CDP:

The Carbon Disclosure Project (CDP) is an international, not-for-profit organization providing the only global system for companies and cities to measure, disclose, manage and share vital environmental information. CDP harnesses the power of market forces, including 655 institutional investors with assets of US $78 trillion, to collect information from companies on their greenhouse gas emissions and assessment of climate change and water risk and opportunity. CDP now holds the larges collection globally of primary climate change and water data and puts these insights at the heart of strategic business, investment and policy decisions. Please visit www.cdproject.net to find out more.

About GRESB:

GRESB is an industry-led organization committed to rigorous and independent evaluation of the sustainability performance of real estate portfolios. GRESB works in tandem with institutional investors and their portfolio managers to identify and implement sustainability best practices in order to enhance and protect shareholder value.

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