ETN · Eaton Corp plc · Debt

SECTION 2.2 []()Amount and Payment of Principal and Interest. (a) In accordance with the Company Order delivered to the Trustee pursuant to Section 3.03 of the Base Indenture, the Trustee shall authenticate and deliver the 2028 Notes with the Guarantee affixed thereto for original issue on the date hereof in the aggregate principal amount of $1,500,000,000, the 2029 Notes with the Guarantee affixed thereto for original issue on the date hereof in the aggregate principal amount of $1,500,000,000, the 2031 Notes with the Guarantee affixed thereto for original issue on the date hereof in the aggregate principal amount of $1,500,000,000, the 2033 Notes with the Guarantee affixed thereto for original issue on the date hereof in the aggregate principal amount of $1,000,000,000, the 2036 Notes with the Guarantee affixed thereto for original issue on the date hereof in the aggregate principal amount of $2,000,000,000 and the 2056 Notes with the Guarantee affixed thereto for original issue on the date hereof in the aggregate principal amount of $1,000,000,000. The principal amount of the 2028 Note shall be payable on March 6, 2028. The principal amount of the 2029 Note shall be payable on March 6, 2029. The principal amount of the 2031 Note shall be payable on March 6, 2031. The principal amount of the 2033 Note shall be payable on March 6, 2033. The principal amount of the 2036 Note shall be payable on March 6, 2036. The principal amount of the 2056 Note shall be payable on March 6, 2056.

Issuer evidence: THIS THIRD SUPPLEMENTAL INDENTURE, dated as of March 6, 2026 (this “Supplemental Indenture”), among Eaton Corporation, an Ohio corporation, as issuer (the “Company”), Eaton Corporation plc, an Irish public limited company (the “Parent”), the Subsidiary Guarantors (as defined below), and The Bank of New York Mellon Trust Company, N.A., as Trustee (the “Trustee”).

Supporting evidence: WHEREAS, the Company has duly authorized and desires to cause to be established pursuant to the Base Indenture and this Supplemental Indenture a new series of Securities designated the 3.850% Notes due 2028 (the “2028 Notes”), 3.950% Notes due 2029 (the “2029 Notes”), 4.200% Notes due 2031 (the “2031 Notes”), 4.500% Notes due 2033 (the “2033 Notes”), 4.800% Notes due 2036 (the “2036 Notes”) and 5.450% Notes due 2056 (the “2056 Notes” and, collectively with the 2028 Notes, the 2029 Notes, the 2031 Notes, the 2033 Notes and the 2036 Notes, the “Notes”), the form and terms of such Notes to be set forth in this Supplemental Indenture;

Supporting evidence: WHEREAS, the Company has duly authorized and desires to cause to be established pursuant to the Base Indenture and this Supplemental Indenture a new series of Securities designated the 3.850% Notes due 2028 (the “2028 Notes”), 3.950% Notes due 2029 (the “2029 Notes”), 4.200% Notes due 2031 (the “2031 Notes”), 4.500% Notes due 2033 (the “2033 Notes”), 4.800% Notes due 2036 (the “2036 Notes”) and 5.450% Notes due 2056 (the “2056 Notes” and, collectively with the 2028 Notes, the 2029 Notes, the 2031 Notes, the 2033 Notes and the 2036 Notes, the “Notes”), the form and terms of such Notes to be set forth in this Supplemental Indenture;

Supporting evidence: WHEREAS, the Company has duly authorized and desires to cause to be established pursuant to the Base Indenture and this Supplemental Indenture a new series of Securities designated the 3.850% Notes due 2028 (the “2028 Notes”), 3.950% Notes due 2029 (the “2029 Notes”), 4.200% Notes due 2031 (the “2031 Notes”), 4.500% Notes due 2033 (the “2033 Notes”), 4.800% Notes due 2036 (the “2036 Notes”) and 5.450% Notes due 2056 (the “2056 Notes” and, collectively with the 2028 Notes, the 2029 Notes, the 2031 Notes, the 2033 Notes and the 2036 Notes, the “Notes”), the form and terms of such Notes to be set forth in this Supplemental Indenture;

SECTION 2.2 []()Amount and Payment of Principal and Interest. (a) In accordance with the Company Order delivered to the Trustee pursuant to Section 3.03 of the Base Indenture, the Trustee shall authenticate and deliver the 2028 Notes with the Guarantee affixed thereto for original issue on the date hereof in the aggregate principal amount of $1,500,000,000, the 2029 Notes with the Guarantee affixed thereto for original issue on the date hereof in the aggregate principal amount of $1,500,000,000, the 2031 Notes with the Guarantee affixed thereto for original issue on the date hereof in the aggregate principal amount of $1,500,000,000, the 2033 Notes with the Guarantee affixed thereto for original issue on the date hereof in the aggregate principal amount of $1,000,000,000, the 2036 Notes with the Guarantee affixed thereto for original issue on the date hereof in the aggregate principal amount of $2,000,000,000 and the 2056 Notes with the Guarantee affixed thereto for original issue on the date hereof in the aggregate principal amount of $1,000,000,000. The principal amount of the 2028 Note shall be payable on March 6, 2028. The principal amount of the 2029 Note shall be payable on March 6, 2029. The principal amount of the 2031 Note shall be payable on March 6, 2031. The principal amount of the 2033 Note shall be payable on March 6, 2033. The principal amount of the 2036 Note shall be payable on March 6, 2036. The principal amount of the 2056 Note shall be payable on March 6, 2056.

Issuer evidence: THIS THIRD SUPPLEMENTAL INDENTURE, dated as of March 6, 2026 (this “Supplemental Indenture”), among Eaton Corporation, an Ohio corporation, as issuer (the “Company”), Eaton Corporation plc, an Irish public limited company (the “Parent”), the Subsidiary Guarantors (as defined below), and The Bank of New York Mellon Trust Company, N.A., as Trustee (the “Trustee”).

Supporting evidence: WHEREAS, the Company has duly authorized and desires to cause to be established pursuant to the Base Indenture and this Supplemental Indenture a new series of Securities designated the 3.850% Notes due 2028 (the “2028 Notes”), 3.950% Notes due 2029 (the “2029 Notes”), 4.200% Notes due 2031 (the “2031 Notes”), 4.500% Notes due 2033 (the “2033 Notes”), 4.800% Notes due 2036 (the “2036 Notes”) and 5.450% Notes due 2056 (the “2056 Notes” and, collectively with the 2028 Notes, the 2029 Notes, the 2031 Notes, the 2033 Notes and the 2036 Notes, the “Notes”), the form and terms of such Notes to be set forth in this Supplemental Indenture;

Supporting evidence: WHEREAS, the Company has duly authorized and desires to cause to be established pursuant to the Base Indenture and this Supplemental Indenture a new series of Securities designated the 3.850% Notes due 2028 (the “2028 Notes”), 3.950% Notes due 2029 (the “2029 Notes”), 4.200% Notes due 2031 (the “2031 Notes”), 4.500% Notes due 2033 (the “2033 Notes”), 4.800% Notes due 2036 (the “2036 Notes”) and 5.450% Notes due 2056 (the “2056 Notes” and, collectively with the 2028 Notes, the 2029 Notes, the 2031 Notes, the 2033 Notes and the 2036 Notes, the “Notes”), the form and terms of such Notes to be set forth in this Supplemental Indenture;

Supporting evidence: WHEREAS, the Company has duly authorized and desires to cause to be established pursuant to the Base Indenture and this Supplemental Indenture a new series of Securities designated the 3.850% Notes due 2028 (the “2028 Notes”), 3.950% Notes due 2029 (the “2029 Notes”), 4.200% Notes due 2031 (the “2031 Notes”), 4.500% Notes due 2033 (the “2033 Notes”), 4.800% Notes due 2036 (the “2036 Notes”) and 5.450% Notes due 2056 (the “2056 Notes” and, collectively with the 2028 Notes, the 2029 Notes, the 2031 Notes, the 2033 Notes and the 2036 Notes, the “Notes”), the form and terms of such Notes to be set forth in this Supplemental Indenture;

SECTION 2.2 []()Amount and Payment of Principal and Interest. (a) In accordance with the Company Order delivered to the Trustee pursuant to Section 3.03 of the Base Indenture, the Trustee shall authenticate and deliver the 2028 Notes with the Guarantee affixed thereto for original issue on the date hereof in the aggregate principal amount of $1,500,000,000, the 2029 Notes with the Guarantee affixed thereto for original issue on the date hereof in the aggregate principal amount of $1,500,000,000, the 2031 Notes with the Guarantee affixed thereto for original issue on the date hereof in the aggregate principal amount of $1,500,000,000, the 2033 Notes with the Guarantee affixed thereto for original issue on the date hereof in the aggregate principal amount of $1,000,000,000, the 2036 Notes with the Guarantee affixed thereto for original issue on the date hereof in the aggregate principal amount of $2,000,000,000 and the 2056 Notes with the Guarantee affixed thereto for original issue on the date hereof in the aggregate principal amount of $1,000,000,000. The principal amount of the 2028 Note shall be payable on March 6, 2028. The principal amount of the 2029 Note shall be payable on March 6, 2029. The principal amount of the 2031 Note shall be payable on March 6, 2031. The principal amount of the 2033 Note shall be payable on March 6, 2033. The principal amount of the 2036 Note shall be payable on March 6, 2036. The principal amount of the 2056 Note shall be payable on March 6, 2056.

Issuer evidence: THIS THIRD SUPPLEMENTAL INDENTURE, dated as of March 6, 2026 (this “Supplemental Indenture”), among Eaton Corporation, an Ohio corporation, as issuer (the “Company”), Eaton Corporation plc, an Irish public limited company (the “Parent”), the Subsidiary Guarantors (as defined below), and The Bank of New York Mellon Trust Company, N.A., as Trustee (the “Trustee”).

Supporting evidence: WHEREAS, the Company has duly authorized and desires to cause to be established pursuant to the Base Indenture and this Supplemental Indenture a new series of Securities designated the 3.850% Notes due 2028 (the “2028 Notes”), 3.950% Notes due 2029 (the “2029 Notes”), 4.200% Notes due 2031 (the “2031 Notes”), 4.500% Notes due 2033 (the “2033 Notes”), 4.800% Notes due 2036 (the “2036 Notes”) and 5.450% Notes due 2056 (the “2056 Notes” and, collectively with the 2028 Notes, the 2029 Notes, the 2031 Notes, the 2033 Notes and the 2036 Notes, the “Notes”), the form and terms of such Notes to be set forth in this Supplemental Indenture;

Supporting evidence: WHEREAS, the Company has duly authorized and desires to cause to be established pursuant to the Base Indenture and this Supplemental Indenture a new series of Securities designated the 3.850% Notes due 2028 (the “2028 Notes”), 3.950% Notes due 2029 (the “2029 Notes”), 4.200% Notes due 2031 (the “2031 Notes”), 4.500% Notes due 2033 (the “2033 Notes”), 4.800% Notes due 2036 (the “2036 Notes”) and 5.450% Notes due 2056 (the “2056 Notes” and, collectively with the 2028 Notes, the 2029 Notes, the 2031 Notes, the 2033 Notes and the 2036 Notes, the “Notes”), the form and terms of such Notes to be set forth in this Supplemental Indenture;

Supporting evidence: WHEREAS, the Company has duly authorized and desires to cause to be established pursuant to the Base Indenture and this Supplemental Indenture a new series of Securities designated the 3.850% Notes due 2028 (the “2028 Notes”), 3.950% Notes due 2029 (the “2029 Notes”), 4.200% Notes due 2031 (the “2031 Notes”), 4.500% Notes due 2033 (the “2033 Notes”), 4.800% Notes due 2036 (the “2036 Notes”) and 5.450% Notes due 2056 (the “2056 Notes” and, collectively with the 2028 Notes, the 2029 Notes, the 2031 Notes, the 2033 Notes and the 2036 Notes, the “Notes”), the form and terms of such Notes to be set forth in this Supplemental Indenture;

SECTION 2.2 []()Amount and Payment of Principal and Interest. (a) In accordance with the Company Order delivered to the Trustee pursuant to Section 3.03 of the Base Indenture, the Trustee shall authenticate and deliver the 2028 Notes with the Guarantee affixed thereto for original issue on the date hereof in the aggregate principal amount of $1,500,000,000, the 2029 Notes with the Guarantee affixed thereto for original issue on the date hereof in the aggregate principal amount of $1,500,000,000, the 2031 Notes with the Guarantee affixed thereto for original issue on the date hereof in the aggregate principal amount of $1,500,000,000, the 2033 Notes with the Guarantee affixed thereto for original issue on the date hereof in the aggregate principal amount of $1,000,000,000, the 2036 Notes with the Guarantee affixed thereto for original issue on the date hereof in the aggregate principal amount of $2,000,000,000 and the 2056 Notes with the Guarantee affixed thereto for original issue on the date hereof in the aggregate principal amount of $1,000,000,000. The principal amount of the 2028 Note shall be payable on March 6, 2028. The principal amount of the 2029 Note shall be payable on March 6, 2029. The principal amount of the 2031 Note shall be payable on March 6, 2031. The principal amount of the 2033 Note shall be payable on March 6, 2033. The principal amount of the 2036 Note shall be payable on March 6, 2036. The principal amount of the 2056 Note shall be payable on March 6, 2056.

Issuer evidence: THIS THIRD SUPPLEMENTAL INDENTURE, dated as of March 6, 2026 (this “Supplemental Indenture”), among Eaton Corporation, an Ohio corporation, as issuer (the “Company”), Eaton Corporation plc, an Irish public limited company (the “Parent”), the Subsidiary Guarantors (as defined below), and The Bank of New York Mellon Trust Company, N.A., as Trustee (the “Trustee”).

Supporting evidence: WHEREAS, the Company has duly authorized and desires to cause to be established pursuant to the Base Indenture and this Supplemental Indenture a new series of Securities designated the 3.850% Notes due 2028 (the “2028 Notes”), 3.950% Notes due 2029 (the “2029 Notes”), 4.200% Notes due 2031 (the “2031 Notes”), 4.500% Notes due 2033 (the “2033 Notes”), 4.800% Notes due 2036 (the “2036 Notes”) and 5.450% Notes due 2056 (the “2056 Notes” and, collectively with the 2028 Notes, the 2029 Notes, the 2031 Notes, the 2033 Notes and the 2036 Notes, the “Notes”), the form and terms of such Notes to be set forth in this Supplemental Indenture;

Supporting evidence: WHEREAS, the Company has duly authorized and desires to cause to be established pursuant to the Base Indenture and this Supplemental Indenture a new series of Securities designated the 3.850% Notes due 2028 (the “2028 Notes”), 3.950% Notes due 2029 (the “2029 Notes”), 4.200% Notes due 2031 (the “2031 Notes”), 4.500% Notes due 2033 (the “2033 Notes”), 4.800% Notes due 2036 (the “2036 Notes”) and 5.450% Notes due 2056 (the “2056 Notes” and, collectively with the 2028 Notes, the 2029 Notes, the 2031 Notes, the 2033 Notes and the 2036 Notes, the “Notes”), the form and terms of such Notes to be set forth in this Supplemental Indenture;

Supporting evidence: WHEREAS, the Company has duly authorized and desires to cause to be established pursuant to the Base Indenture and this Supplemental Indenture a new series of Securities designated the 3.850% Notes due 2028 (the “2028 Notes”), 3.950% Notes due 2029 (the “2029 Notes”), 4.200% Notes due 2031 (the “2031 Notes”), 4.500% Notes due 2033 (the “2033 Notes”), 4.800% Notes due 2036 (the “2036 Notes”) and 5.450% Notes due 2056 (the “2056 Notes” and, collectively with the 2028 Notes, the 2029 Notes, the 2031 Notes, the 2033 Notes and the 2036 Notes, the “Notes”), the form and terms of such Notes to be set forth in this Supplemental Indenture;

SECTION 2.2 Amount and Payment of Principal and Interest. (a) In accordance with the Company Order delivered to the Trustee pursuant to Section 3.03 of the Base Indenture, the Trustee shall authenticate and deliver the 2034 Notes with the Guarantee affixed thereto for original issue on the date hereof in the aggregate principal amount of €600,000,000 and the 2038 Notes with the Guarantee affixed thereto for original issue on the date hereof in the aggregate principal amount of €600,000,000. The principal amount of the 2034 Notes shall be payable on March 10, 2034. The principal amount of the 2038 Notes shall be payable on March 10, 2038.

Issuer evidence: THIS FOURTH SUPPLEMENTAL INDENTURE, dated as of March 10, 2026 (this “Supplemental Indenture”), among Eaton Capital Unlimited Company, an Irish public unlimited company, as issuer (the “Company”), Eaton Corporation plc, an Irish public limited company (the “Parent”), the Subsidiary Guarantors (as defined below), and The Bank of New York Mellon Trust Company, N.A., as Trustee (the “Trustee”).

Supporting evidence: WHEREAS, the Company has duly authorized and desires to cause to be established pursuant to the Base Indenture and this Supplemental Indenture a new series of Securities designated the 3.550% Notes due 2034 (the “2034 Notes”) and the 4.000% Notes due 2038 (the “2038 Notes” and, together with the 2034 Notes, the “Notes”), the form and terms of such Notes to be set forth in this Supplemental Indenture;

Supporting evidence: WHEREAS, the Company has duly authorized and desires to cause to be established pursuant to the Base Indenture and this Supplemental Indenture a new series of Securities designated the 3.550% Notes due 2034 (the “2034 Notes”) and the 4.000% Notes due 2038 (the “2038 Notes” and, together with the 2034 Notes, the “Notes”), the form and terms of such Notes to be set forth in this Supplemental Indenture;

Supporting evidence: WHEREAS, the Company has duly authorized and desires to cause to be established pursuant to the Base Indenture and this Supplemental Indenture a new series of Securities designated the 3.550% Notes due 2034 (the “2034 Notes”) and the 4.000% Notes due 2038 (the “2038 Notes” and, together with the 2034 Notes, the “Notes”), the form and terms of such Notes to be set forth in this Supplemental Indenture;

SECTION 2.2 []()Amount and Payment of Principal and Interest. (a) In accordance with the Company Order delivered to the Trustee pursuant to Section 3.03 of the Base Indenture, the Trustee shall authenticate and deliver the 2028 Notes with the Guarantee affixed thereto for original issue on the date hereof in the aggregate principal amount of $1,500,000,000, the 2029 Notes with the Guarantee affixed thereto for original issue on the date hereof in the aggregate principal amount of $1,500,000,000, the 2031 Notes with the Guarantee affixed thereto for original issue on the date hereof in the aggregate principal amount of $1,500,000,000, the 2033 Notes with the Guarantee affixed thereto for original issue on the date hereof in the aggregate principal amount of $1,000,000,000, the 2036 Notes with the Guarantee affixed thereto for original issue on the date hereof in the aggregate principal amount of $2,000,000,000 and the 2056 Notes with the Guarantee affixed thereto for original issue on the date hereof in the aggregate principal amount of $1,000,000,000. The principal amount of the 2028 Note shall be payable on March 6, 2028. The principal amount of the 2029 Note shall be payable on March 6, 2029. The principal amount of the 2031 Note shall be payable on March 6, 2031. The principal amount of the 2033 Note shall be payable on March 6, 2033. The principal amount of the 2036 Note shall be payable on March 6, 2036. The principal amount of the 2056 Note shall be payable on March 6, 2056.

Issuer evidence: THIS THIRD SUPPLEMENTAL INDENTURE, dated as of March 6, 2026 (this “Supplemental Indenture”), among Eaton Corporation, an Ohio corporation, as issuer (the “Company”), Eaton Corporation plc, an Irish public limited company (the “Parent”), the Subsidiary Guarantors (as defined below), and The Bank of New York Mellon Trust Company, N.A., as Trustee (the “Trustee”).

Supporting evidence: WHEREAS, the Company has duly authorized and desires to cause to be established pursuant to the Base Indenture and this Supplemental Indenture a new series of Securities designated the 3.850% Notes due 2028 (the “2028 Notes”), 3.950% Notes due 2029 (the “2029 Notes”), 4.200% Notes due 2031 (the “2031 Notes”), 4.500% Notes due 2033 (the “2033 Notes”), 4.800% Notes due 2036 (the “2036 Notes”) and 5.450% Notes due 2056 (the “2056 Notes” and, collectively with the 2028 Notes, the 2029 Notes, the 2031 Notes, the 2033 Notes and the 2036 Notes, the “Notes”), the form and terms of such Notes to be set forth in this Supplemental Indenture;

Supporting evidence: WHEREAS, the Company has duly authorized and desires to cause to be established pursuant to the Base Indenture and this Supplemental Indenture a new series of Securities designated the 3.850% Notes due 2028 (the “2028 Notes”), 3.950% Notes due 2029 (the “2029 Notes”), 4.200% Notes due 2031 (the “2031 Notes”), 4.500% Notes due 2033 (the “2033 Notes”), 4.800% Notes due 2036 (the “2036 Notes”) and 5.450% Notes due 2056 (the “2056 Notes” and, collectively with the 2028 Notes, the 2029 Notes, the 2031 Notes, the 2033 Notes and the 2036 Notes, the “Notes”), the form and terms of such Notes to be set forth in this Supplemental Indenture;

Supporting evidence: WHEREAS, the Company has duly authorized and desires to cause to be established pursuant to the Base Indenture and this Supplemental Indenture a new series of Securities designated the 3.850% Notes due 2028 (the “2028 Notes”), 3.950% Notes due 2029 (the “2029 Notes”), 4.200% Notes due 2031 (the “2031 Notes”), 4.500% Notes due 2033 (the “2033 Notes”), 4.800% Notes due 2036 (the “2036 Notes”) and 5.450% Notes due 2056 (the “2056 Notes” and, collectively with the 2028 Notes, the 2029 Notes, the 2031 Notes, the 2033 Notes and the 2036 Notes, the “Notes”), the form and terms of such Notes to be set forth in this Supplemental Indenture;

SECTION 2.2 Amount and Payment of Principal and Interest. (a) In accordance with the Company Order delivered to the Trustee pursuant to Section 3.03 of the Base Indenture, the Trustee shall authenticate and deliver the 2034 Notes with the Guarantee affixed thereto for original issue on the date hereof in the aggregate principal amount of €600,000,000 and the 2038 Notes with the Guarantee affixed thereto for original issue on the date hereof in the aggregate principal amount of €600,000,000. The principal amount of the 2034 Notes shall be payable on March 10, 2034. The principal amount of the 2038 Notes shall be payable on March 10, 2038.

Issuer evidence: THIS FOURTH SUPPLEMENTAL INDENTURE, dated as of March 10, 2026 (this “Supplemental Indenture”), among Eaton Capital Unlimited Company, an Irish public unlimited company, as issuer (the “Company”), Eaton Corporation plc, an Irish public limited company (the “Parent”), the Subsidiary Guarantors (as defined below), and The Bank of New York Mellon Trust Company, N.A., as Trustee (the “Trustee”).

Supporting evidence: WHEREAS, the Company has duly authorized and desires to cause to be established pursuant to the Base Indenture and this Supplemental Indenture a new series of Securities designated the 3.550% Notes due 2034 (the “2034 Notes”) and the 4.000% Notes due 2038 (the “2038 Notes” and, together with the 2034 Notes, the “Notes”), the form and terms of such Notes to be set forth in this Supplemental Indenture;

Supporting evidence: WHEREAS, the Company has duly authorized and desires to cause to be established pursuant to the Base Indenture and this Supplemental Indenture a new series of Securities designated the 3.550% Notes due 2034 (the “2034 Notes”) and the 4.000% Notes due 2038 (the “2038 Notes” and, together with the 2034 Notes, the “Notes”), the form and terms of such Notes to be set forth in this Supplemental Indenture;

Supporting evidence: WHEREAS, the Company has duly authorized and desires to cause to be established pursuant to the Base Indenture and this Supplemental Indenture a new series of Securities designated the 3.550% Notes due 2034 (the “2034 Notes”) and the 4.000% Notes due 2038 (the “2038 Notes” and, together with the 2034 Notes, the “Notes”), the form and terms of such Notes to be set forth in this Supplemental Indenture;

SECTION 2.2 []()Amount and Payment of Principal and Interest. (a) In accordance with the Company Order delivered to the Trustee pursuant to Section 3.03 of the Base Indenture, the Trustee shall authenticate and deliver the 2028 Notes with the Guarantee affixed thereto for original issue on the date hereof in the aggregate principal amount of $1,500,000,000, the 2029 Notes with the Guarantee affixed thereto for original issue on the date hereof in the aggregate principal amount of $1,500,000,000, the 2031 Notes with the Guarantee affixed thereto for original issue on the date hereof in the aggregate principal amount of $1,500,000,000, the 2033 Notes with the Guarantee affixed thereto for original issue on the date hereof in the aggregate principal amount of $1,000,000,000, the 2036 Notes with the Guarantee affixed thereto for original issue on the date hereof in the aggregate principal amount of $2,000,000,000 and the 2056 Notes with the Guarantee affixed thereto for original issue on the date hereof in the aggregate principal amount of $1,000,000,000. The principal amount of the 2028 Note shall be payable on March 6, 2028. The principal amount of the 2029 Note shall be payable on March 6, 2029. The principal amount of the 2031 Note shall be payable on March 6, 2031. The principal amount of the 2033 Note shall be payable on March 6, 2033. The principal amount of the 2036 Note shall be payable on March 6, 2036. The principal amount of the 2056 Note shall be payable on March 6, 2056.

Issuer evidence: THIS THIRD SUPPLEMENTAL INDENTURE, dated as of March 6, 2026 (this “Supplemental Indenture”), among Eaton Corporation, an Ohio corporation, as issuer (the “Company”), Eaton Corporation plc, an Irish public limited company (the “Parent”), the Subsidiary Guarantors (as defined below), and The Bank of New York Mellon Trust Company, N.A., as Trustee (the “Trustee”).

Supporting evidence: WHEREAS, the Company has duly authorized and desires to cause to be established pursuant to the Base Indenture and this Supplemental Indenture a new series of Securities designated the 3.850% Notes due 2028 (the “2028 Notes”), 3.950% Notes due 2029 (the “2029 Notes”), 4.200% Notes due 2031 (the “2031 Notes”), 4.500% Notes due 2033 (the “2033 Notes”), 4.800% Notes due 2036 (the “2036 Notes”) and 5.450% Notes due 2056 (the “2056 Notes” and, collectively with the 2028 Notes, the 2029 Notes, the 2031 Notes, the 2033 Notes and the 2036 Notes, the “Notes”), the form and terms of such Notes to be set forth in this Supplemental Indenture;

Supporting evidence: WHEREAS, the Company has duly authorized and desires to cause to be established pursuant to the Base Indenture and this Supplemental Indenture a new series of Securities designated the 3.850% Notes due 2028 (the “2028 Notes”), 3.950% Notes due 2029 (the “2029 Notes”), 4.200% Notes due 2031 (the “2031 Notes”), 4.500% Notes due 2033 (the “2033 Notes”), 4.800% Notes due 2036 (the “2036 Notes”) and 5.450% Notes due 2056 (the “2056 Notes” and, collectively with the 2028 Notes, the 2029 Notes, the 2031 Notes, the 2033 Notes and the 2036 Notes, the “Notes”), the form and terms of such Notes to be set forth in this Supplemental Indenture;

Supporting evidence: WHEREAS, the Company has duly authorized and desires to cause to be established pursuant to the Base Indenture and this Supplemental Indenture a new series of Securities designated the 3.850% Notes due 2028 (the “2028 Notes”), 3.950% Notes due 2029 (the “2029 Notes”), 4.200% Notes due 2031 (the “2031 Notes”), 4.500% Notes due 2033 (the “2033 Notes”), 4.800% Notes due 2036 (the “2036 Notes”) and 5.450% Notes due 2056 (the “2056 Notes” and, collectively with the 2028 Notes, the 2029 Notes, the 2031 Notes, the 2033 Notes and the 2036 Notes, the “Notes”), the form and terms of such Notes to be set forth in this Supplemental Indenture;