O: Other company developments

Item 8.01 Other Events On July 7, 2026, Realty Income Corporation (the “Company”) closed its offering of €600.0 million aggregate principal amount of its 3.625% Notes due 2032, pursuant to a purchase agreement dated June 29, 2026 entered into by and among the Company, Barclays Bank PLC, BNP PARIBAS, RBC Europe Limited, Banco Santander, S.A. and Wells Fargo Securities International Limited as representatives of the underwriters. Item 9.01 Financial Statements and Exhibits (d) Exhibits 4.1 Indenture dated as of October 28, 1998 between the Company and The Bank of New York Mellon Trust Company, N.A. as successor trustee (filed as exhibit 4.1 to the Company’s Form 8-K, filed on October 28, 1998 and dated October 27, 1998 and incorporated herein by reference). 4.2 Form of 3.625% Note due 2032 issued on July 7, 2026 (contained in Exhibit 4.3 hereto). 4.3+ Officers’ Certificate dated July 7, 2026 pursuant to Sections 201, 301 and 303 of the Indenture dated as of October 28, 1998 between the Company and The Bank of New York Mellon Trust Company, N.A., as successor trustee, establishing the terms of a new series of debt securities entitled “3.625% Notes due 2032” and including the forms of debt security for such series. 5.1 Opinion of Venable LLP. 5.2 Opinion of Latham & Watkins LLP. 23.1 Consent of Venable LLP (contained in the opinion filed as Exhibit 5.1 hereto). 23.2 Consent of Latham & Watkins LLP (contained in the opinion filed as Exhibit 5.2 hereto). 104 Cover Page Interactive Data File (formatted as Inline XBRL) +Certain of the schedules and attachments to this exhibit have been omitted pursuant to Regulation S-K, Item 601(a)(5). The registrant hereby undertakes to provide further information regarding such omitted materials to the SEC upon request. SIGNATURE Pursuant to