NORFOLK SOUTHERN CORP

Item 7.01. Regulation FD Disclosure. On December 19, 2025 Union Pacific Corporation (“Union Pacific”) and Norfolk Southern Corporation (“Norfolk Southern ”) issued a joint press release announcing that they have filed an application with the Surface Transportation Board requesting approval of the proposed combination of the two companies and held a conference call to discuss key points of such application. A copy of the press release and transcript of the call are being furnished as Exhibits 99.1 and 99.2, respectively, to this Current Report on Form 8-K. The full presentation, transcript, and recorded audio of the call are all also available on Union Pacific’s website www.up.com under Investors; Earnings Release and Management Presentations, on Norfolk Southern’s website www.norfolksouthern.com under Investors; News & Events; Events & Presentations, and on the website www.AmericasGreatConnection.com. References to websites are not incorporated by reference into this Current Report on Form 8-K and Norfolk Southern disclaims any such incorporation by reference. The information in this Current Report on Form 8-K and the accompanying exhibits is being furnished and shall not be deemed “filed” for the purposes of Section 18 of the Securities and Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing. Exhibit 9.01. Financial Statements and Exhibits. (d) Exhibits. Exhibit No. Description of Exhibit 99.1 Joint Press Release, dated December 19, 2025. 99.2 UP/NS Merger Application Analyst Call Transcript, dated December 19, 2025. 104 Cover Page Interactive Data File (embedded within the Inline