Material Event (Form 8-K)

Item 8.01 Other Events.

On September 15, 2025, Hewlett Packard Enterprise Company (the "Company") completed its previously announced underwritten public offering (the "Notes Offering") of (i) $900,000,000 in aggregate principal amount of its 4.050% Notes due 2027 (the "2027 Notes"), (ii) $300,000,000 in aggregate principal amount of its Floating Rate Notes due 2028 (the "Floating Rate Notes"), (iii) $850,000,000 in aggregate principal amount of its 4.150% Notes due 2028 (the "2028 Notes") and (iv) $850,000,000 in aggregate principal amount of its 4.400% Notes due 2030 (the "2030 Notes" and, together with the 2027 Notes, the Floating Rate Notes and the 2028 Notes, the "Notes").

The offer and sale of each series of Notes has been registered under the Securities Act of 1933, as amended, pursuant to a registration statement on Form S-3 (No. 333-276221), filed with the Securities and Exchange Commission and automatically effective on December 22, 2023.

The Notes were issued pursuant to the Indenture (the "Base Indenture"), dated as of October 9, 2015, between the Company and The Bank of New York Mellon Trust Company, N.A. (the "Trustee"), as trustee, as supplemented by the (i) Twenty-Eighth Supplemental Indenture, dated as of September 15, 2025, with respect to the 2027 Notes, (ii) Twenty-Ninth Supplemental Indenture, dated as of September 15, 2025, with respect to the Floating Rate Notes, (iii) Thirtieth Supplemental Indenture, dated as of September 15, 2025, with respect to the 2028 Notes and (iv) Thirty-First Supplemental Indenture, dated as of September 15, 2025, with respect to the 2030 Notes (collectively, the "Supplemental Indentures" and, together with the Base Indenture, the "Indenture"), each between the Company and the Trustee.

The foregoing description of the Indenture does not purport to be complete and is qualified in its entirety by reference to the full text of the Base Indenture and the Supplemental Indentures, which are set forth as Exhibits 4.1, 4.2, 4.3, 4.4 and 4.5, respectively, hereto and are incorporated by reference herein.

The legal opinion of Gibson, Dunn & Crutcher LLP, issued in connection with the Notes Offering, is attached hereto as Exhibit 5.1 and is incorporated herein by reference.