2025 SIMON® Annual Report

EXHIBIT INDEX

Exhibits 2.1 Separation and Distribution Agreement by and among Simon Property Group, Inc., Simon Property Group, L.P., Washington Prime Group Inc. and Washington Prime Group, L.P., dated as of May 27, 2014 (incorporated by reference to Exhibit 2.1 of the Registrant’s Current Report on Form 8-K filed May 29, 2014). 2.2 Amended and Restated Agreement and Plan of Merger, dated as of November 14, 2020, by and among the Taubman Parties and the Simon Parties (incorporated by reference to exhibit 2.1 of Simon Property Group Inc.’s and Simon Property Group L.P.’s Current Report on Form 8-K filed on November 16, 2020). 2.3 Plan of Conversion of Simon Property Group, Inc. (incorporated by reference to Exhibit 2.1 of Simon Property Group, Inc.’s and Simon Property Group, L.P.’s Form 8-K filed May 15, 2025). 2.4 Plan of Conversion of Simon Property Group, L.P. (incorporated by reference to Exhibit 2.2 of Simon Property Group, Inc.’s and Simon Property Group, L.P.’s Form 8-K filed May 15, 2025). 3.1 Articles of Incorporation of Simon Property Group, Inc. (incorporated by reference to Exhibit 3.1 of Simon Property Group, Inc.’s and Simon Property Group, L.P.’s Form 8-K filed May 15, 2025). 3.2 Bylaws of Simon Property Group, Inc. (incorporated by reference to Exhibit 3.2 of Simon Property Group, Inc.’s and Simon Property Group, L.P.’s Form 8-K filed May 15, 2025). 3.3 Certificate of Limited Partnership of Simon Property Group, L.P. (incorporated by reference to Exhibit 3.3 of Simon Property Group, Inc.’s and Simon Property Group, L.P.’s Form 8-K filed May 15, 2025). 3.4 Ninth Amended and Restated Limited Partnership Agreement of Simon Property Group, L.P. dated as of May 15, 2025 (incorporated by reference to Exhibit 3.4 of Simon Property Group, Inc.’s and Simon Property Group, L.P.’s Form 8-K filed May 15, 2025). 3.5 Agreement between Simon Property Group, Inc. and Simon Property Group, L.P. dated March 7, 2007, but effective as of August 27, 1999, regarding a prior agreement filed under an exhibit 99.1 to Form S-3/A of Simon Property Group, L.P. on November 20, 1996 (incorporated by reference to Exhibit 3.4 of Simon Property Group, L.P.'s Annual Report on Form 10-K filed March 16, 2007). 3.6 Agreement between Simon Property Group, Inc. and Simon Property Group, L.P. dated April 29, 2009, but effective as of October 14, 2004, regarding redemption of the Registrant's Series I Preferred Units (incorporated by reference to Exhibit 3.2 of Simon Property Group, L.P.'s Quarterly Report on Form 10-Q filed May 8, 2009). 4.1 (a) Indenture, dated as of November 26, 1996, by and among Simon Property Group, L.P. and The Chase Manhattan Bank, as trustee (incorporated by reference to Exhibit 4.1 of Simon Property Group, L.P.'s Registration Statement on Form S-3 filed October 21, 1996 (Reg. No. 333-11491)). 4.2 Description of Each Registrant’s Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934. 9.1 Second Amended and Restated Voting Trust Agreement, Voting Agreement and Proxy dated as of March 1, 2004 between Melvin Simon & Associates, Inc., on the one hand and Melvin Simon, Herbert Simon and David Simon on the other hand (incorporated by reference to Exhibit 9.1 of Simon Property Group, Inc.’s Quarterly Report on Form 10-Q filed May 10, 2004). 9.2 Voting Trust Agreement, Voting Agreement and Proxy dated as of March 1, 2004 between David Simon, Melvin Simon and Herbert Simon (incorporated by reference to Exhibit 9.2 of Simon Property Group, Inc.’s Quarterly Report on Form 10-Q filed May 10, 2004). 10.1 Form of the Indemnity Agreement between Simon Property Group, Inc. and its directors and officers (incorporated by reference to Exhibit 10.7 of Simon Property Group, Inc.’s Form S-4 filed August 13, 1998 (Reg. No. 333-61399)).

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