2025 SIMON® Annual Report

Simon Property Group, Inc. Simon Property Group, L.P. Notes to Consolidated Financial Statements (Dollars in thousands, except share, per share, unit and per unit amounts and where indicated as in millions or billions)

by the Credit Facilities, and if necessary or appropriate, we may make one or more draws under either of the Credit Facilities to pay amounts outstanding from time to time on the Commercial Paper program. On December 31, 2025, we had $355 million outstanding under the Commercial Paper program, fully comprised of U.S. dollar denominated notes with a weighted average interest rate of 4.04%. These borrowings have a weighted average maturity date of January 22, 2026 and reduced amounts otherwise available under the Credit Facilities. On January 13, 2026, the Operating Partnership completed the issuance of $800 million of senior unsecured notes with a fixed interest rate of 4.30% and a maturity date of January 15, 2031. The proceeds were used to fund the redemption at par of the Operating Partnership’s $800 million note maturing on January 15, 2026. During the fourth quarter of 2025, we exchanged 568,896 shares of Klépierre to settle the conversion of €15.4 million ($18.1 million U.S. dollar equivalent) of the Operating Partnership’s exchangeable bonds. See further discussion in Note 6. The balance of the exchangeable bonds is €734.6 million ($862.4 million U.S. dollar equivalent) as of December 31, 2025. On August 19, 2025, the Operating Partnership completed the issuance of $700 million of senior unsecured notes with a fixed interest rate of 4.375% and a maturity date of October 1, 2030, and $800 million of senior unsecured notes with a fixed interest rate of 5.125% and a maturity date of October 1, 2035. A portion of the proceeds were used to redeem, at par, its $1.1 billion 3.50% senior unsecured notes at maturity on September 1, 2025. Another portion of the proceeds were used to repay the €500 million outstanding under the Supplemental Facility on October 8, 2025. On May 12, 2025, the Operating Partnership drew €500 million under the Supplemental Facility. The proceeds were used to fund the redemption at par of the Operating Partnerships €500 million notes maturing on May 13, 2025. On April 25, 2025, the Operating Partnership drew $155 million under the Credit Facility. On January 29, 2025, the Operating Partnership drew €376 million under the Credit Facility and used the proceeds to facilitate the acquisition of two Italian assets. On March 13, 2025, we repaid €18 million that had been outstanding under the Credit Facility at December 31, 2024. On March 20, 2025, the Operating Partnership entered into a €350 million unsecured term loan with a maturity date of March 20, 2027, and swapped the interest rate to an all-in fixed rate of 2.5965% which matures on March 20, 2026. The proceeds of the term loan, along with cash on hand, were used to repay the then remaining €376 million outstanding under the Credit Facility. On October 1, 2024, the Operating Partnership completed the redemption, at par, of its $900 million 3.375% senior unsecured notes at maturity. On September 26, 2024, the Operating Partnership completed the issuance of $1.0 billion senior unsecured notes with a fixed interest rate of 4.75% and a maturity date of September 26, 2034. On September 13, 2024, the Operating Partnership completed the redemption, at par, of its $1.0 billion 2.00% senior unsecured notes at maturity. On February 1, 2024, the Operating Partnership completed the redemption, at par, of its $600 million 3.75% senior unsecured notes at maturity. Mortgage Debt Total mortgage indebtedness was $8.2 billion and $5.0 billion at December 31, 2025 and 2024, respectively. On October 31, 2025, as part of the TRG Acquisition, discussed in Note 4, the Operating Partnership’s consolidated debt increased $3.1 billion.

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