UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

Date of report (Date of earliest event reported): August 14, 2025

Commission File Number 1-9052

DPL LLC

(Exact name of registrant as specified in its charter)

Ohio	31-1163136
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
1065 Woodman Drive
Dayton, Ohio	45432
(Address of principal executive offices)	(Zip Code)
Registrant's telephone number, including area code:	(937) 259-7215

Commission File Number 1-2385

A green and blue letter s

Description automatically generated

THE DAYTON POWER AND LIGHT COMPANY

(Exact name of registrant as specified in its charter)

Ohio	31-0258470
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
1065 Woodman Drive
Dayton, Ohio	45432
(Address of principal executive offices)	(Zip Code)
Registrant's telephone number, including area code:	(937) 259-7215

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

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Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

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Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

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Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class	Trading Symbol(s)	Name of Each Exchange on Which Registered
N/A	N/A	N/A

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter). ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 8.01 Other Events.

On August 14, 2025, The Dayton Power and Light Company, a subsidiary of DPL LLC and The AES Corporation and which does business as AES Ohio, announced and priced an offering of $375 million aggregate principal amount of a new series of 4.550% First Mortgage Bonds due 2030 to be issued under its first and refunding mortgage (the “AES Ohio Offering”), which has the benefit of a mortgage lien on substantially all of its property. AES Ohio intends to use the net proceeds from the AES Ohio Offering to repay amounts outstanding under its $150 million term loan agreement and revolving credit agreement and for general corporate purposes.

Item 9.01 Financial Statements and Exhibits

(d) Exhibits

Exhibit 104

The cover page from this Current Report on Form 8-K, formatted in Inline XBRL.

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.

	DPL LLC


Date: August 14, 2025	By:	/s/ Brian Hylander
	Name:	Brian Hylander
	Title:	Vice President, General Counsel and Secretary

	The Dayton Power and Light Company d/b/a AES Ohio


Date: August 14, 2025	By:	/s/ Brian Hylander
	Name:	Brian Hylander
	Title:	Vice President, General Counsel and Secretary

DPL LLC 8-K