LH: Company disclosure

Item 7.01. Regulation FD Disclosure. Labcorp Holdings Inc. (NYSE: LH), a global leader of innovative and comprehensive laboratory services, announced on September 30, 2026 that it will release its financial results for the third quarter of 2026 before the market opens on Wednesday, October 28, 2026, and will host a webcast beginning at 9:00 a.m. ET that day to discuss the results. The earnings press release and accompanying financial information will be posted on the Labcorp Investor Relations website. A copy of the press release dated September 30, 2026 is furnished as Exhibit 99.1 hereto and incorporated by reference herein. Item 9.01. Financial Statements and Exhibits. Exhibit Exhibit Name Exhibit 99.1 Press release dated September 30, 2026 issued by Labcorp Holdings Inc. Exhibit 104 Cover Page Interactive Data File (embedded within the Inline XBRL document) SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. LABCORP HOLDINGS INC. Registrant Date: September 30, 2026 By: /s/ KATHRYN W. KYLE Kathryn W. Kyle Executive Vice President, Chief Legal Officer and Corporate Secretary