ED: Other company developments

ITEM 8.01. Other Events On June 1, 2026, Consolidated Edison Company of New York, Inc. (“CECONY”) entered into an underwriting agreement with J.P. Morgan Securities LLC, Mizuho Securities USA LLC, PNC Capital Markets LLC and Wells Fargo Securities, LLC, as representatives of the underwriters named therein, for the sale of: (i) $450 million aggregate principal amount of CECONY’s 5.15% Debentures, Series 2026 A due 2036 (the “2026 A Debentures”) and (ii) $850 million aggregate principal amount of CECONY’s 5.875% Debentures, Series 2026 B due 2056 (the “2026 B Debentures” and collectively with the 2026 A Debentures, the “Debentures”). The Debentures were registered under the Securities Act of 1933 pursuant to a Registration Statement on Form S-3 (No. 333-281192, effective August 1, 2024). ITEM 9.01. Financial Statements and Exhibits (d) Exhibits Exhibit 1 Underwriting agreement relating to the Debentures Exhibit 4.1 Form of the 2026 A Debentures Exhibit 4.2 Form of the 2026 B Debentures Exhibit 5 Opinion of Deneen Donnley, Senior Vice President and General Counsel of CECONY relating to the Debentures Exhibit 23 Consent of Deneen Donnley, Senior Vice President and General Counsel of CECONY (included in Exhibit 5) Exhibit 104 Cover Page Interactive Data File – The cover page iXBRL tags are embedded within the inline XBRL document SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, each registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. CONSOLIDATED EDISON, INC. CONSOLIDATED EDISON COMPANY OF NEW YORK, INC. By: /s/ Joseph Miller Joseph Miller Vice President, Controller and Chief Accounting Officer Date: June 3, 2026