SIMON PROPERTY GROUP INC /DE/ — Director's Dealing 2010

May 10, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: SIMON PROPERTY GROUP INC /DE/ (SPG)
CIK: 0001063761
Period of Report: 2010-05-06

Reporting Person: LEIBOWITZ REUBEN S (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-05-06	Common Stock	A	943	—	Acquired	24805	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	2500	Indirect
Common Stock	2496	Indirect
Common Stock	2564	Indirect
Common Stock	932	Indirect
Common Stock	500	Indirect
Common Stock	500	Indirect
Common Stock	500	Indirect

Footnotes

F1: Non-cash compensation- Award of restricted stock under the Simon Property Group, L.P. 1998 Stock Incentive Plan. The restricted stock vests one year after award.

F2: Includes 43 common shares acquired through the reinvestment of dividends received on common shares awarded under the Company's Stock Incentive Plan.

F3: The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose.

F4: The reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for purposes of Section 16 or for any other purposes.