Black Hills Corporation (NYSE: BKH) furnishes Q4 2025 earnings press release

Rhea-AI Filing Summary

Black Hills Corporation furnished an update on its recent performance by announcing that it issued a press release covering financial results for the fourth quarter of 2025. The company also prepared an investor presentation to support these results.

The press release dated Feb. 4, 2026 is included as Exhibit 99.1, and a related presentation dated Feb. 5, 2026 is included as Exhibit 99.2. This information is furnished under Item 2.02 as results of operations and financial condition and is not deemed filed for liability purposes under the Securities Exchange Act.

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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 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): Feb. 4, 2026

Black Hills Corporation

(Exact name of Registrant as Specified in Its Charter)

South Dakota			001-31303	46-0458824
(State or Other Jurisdiction of Incorporation)			(Commission File Number)	(IRS Employer Identification No.)
7001 Mount Rushmore Road
Rapid City, South Dakota				57702
(Address of Principal Executive Offices)				(Zip Code)

Registrant’s Telephone Number, Including Area Code: 605 721-1700

(Former Name or Former Address, if Changed Since Last Report)

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:

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

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

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

☐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
Common stock of $1.00 par value		BKH		The New York Stock Exchange

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).

Emerging growth company ☐

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 2.02 Results of Operations and Financial Condition.

On Feb. 4, 2026, Black Hills Corporation ("the Company") issued a press release announcing financial results for the fourth quarter of 2025.

The press release is attached as Exhibit 99.1 to this Form 8-K. A copy of the Company's presentation is attached as Exhibit 99.2 to this report. This information is being furnished pursuant to Item 2.02 of Form 8-K and shall not be deemed to be "filed" for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such filing.

Item 9.01 Financial Statements and Exhibits.

Exhibit No.		Description
99.1		Press Release dated Feb. 4, 2026
99.2		Presentation dated Feb. 5, 2026
104		Cover Page Interactive Data File (formatted as 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.

			BLACK HILLS CORPORATION
Date:	Feb. 4, 2026	By:	/s/ Kimberly F. Nooney
			Kimberly F. Nooney Senior Vice President and Chief Financial Officer

FAQ

What did Black Hills Corporation (BKH) disclose in this 8-K filing?

Black Hills Corporation disclosed that it issued a press release announcing its financial results for the fourth quarter of 2025. The company also prepared an accompanying investor presentation, both of which are attached as exhibits to provide more detail on its recent operating performance.

When did Black Hills Corporation release its Q4 2025 financial results?

Black Hills Corporation released its fourth quarter 2025 financial results on Feb. 4, 2026 through a press release. This press release is attached to the filing as Exhibit 99.1 and represents the company’s official communication of those quarterly financial results to the market.

Which exhibits are included with Black Hills Corporation’s 8-K for Q4 2025 results?

The filing includes a press release dated Feb. 4, 2026 as Exhibit 99.1 and an investor presentation dated Feb. 5, 2026 as Exhibit 99.2. It also includes a Cover Page Interactive Data File, identified as Exhibit 104, formatted as an inline XBRL document.

Under which item of Form 8-K did Black Hills Corporation furnish this information?

Black Hills Corporation furnished this information under Item 2.02, titled Results of Operations and Financial Condition. This item is used when a company provides an update on financial performance, such as quarterly results, through a press release or similar disclosure to investors.

Is Black Hills Corporation’s Q4 2025 earnings information considered filed with the SEC?

The Q4 2025 earnings information is furnished, not filed, with the SEC. The company specifies that the press release and presentation are furnished under Item 2.02 and are not subject to Section 18 liabilities, nor automatically incorporated into Securities Act filings unless specifically referenced.

Who signed the Black Hills Corporation 8-K related to Q4 2025 results?

The 8-K was signed on behalf of Black Hills Corporation by Kimberly F. Nooney. She is identified in the filing as Senior Vice President and Chief Financial Officer, acting as the duly authorized officer executing the report on the registrant’s behalf on Feb. 4, 2026.