OII provides Q3 2025 results via furnished Exhibit 99.1

Rhea-AI Filing Summary

Oceaneering International, Inc. (OII) furnished an earnings press release for the third quarter ended September 30, 2025. The press release is provided as Exhibit 99.1 to an Item 2.02 current report.

The company notes that the information in Item 2.02, including Exhibit 99.1, is being furnished and is not deemed filed under the Exchange Act. Oceaneering’s common stock trades on the New York Stock Exchange under the symbol OII.

OCEANEERING INTERNATIONAL INCfalse000007375600000737562025-10-222025-10-22

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): October 22, 2025

OCEANEERING INTERNATIONAL, INC.

(Exact name of registrant as specified in its charter)

Delaware			1-10945			95-2628227
(State or other jurisdiction of incorporation)			(Commission File Number)			(IRS Employer Identification No.)

5875 North Sam Houston Parkway West, Suite 400
Houston,			TX			77086
(Address of principal executive offices)						(Zip Code)

Registrant's telephone number, including area code: (713) 329-4500

N/A

(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, par value $0.25 per share			OII			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 (17 CFR 230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR 240.12b-2):

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 October 22, 2025, Oceaneering International, Inc. ("Oceaneering" or "we") issued a press release announcing Oceaneering's earnings for the third quarter ended September 30, 2025. A copy of that press release is furnished as Exhibit 99.1 to this report and is incorporated by reference into this item 2.02.

The information furnished pursuant to this Item 2.02, including Exhibit 99.1, shall not be deemed to be "filed" for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference into any registration statement or other filing under the Securities Act of 1933, as amended, or the Exchange Act, unless specifically identified in such filing as being incorporated by reference in such filing.

Item 9.01    Financial Statements and Exhibits.

(d) Exhibits

99.1			Press Release of Oceaneering International, Inc., dated October 22, 2025.
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.

									OCEANEERING INTERNATIONAL, INC.
Date:			October 22, 2025			By:			/S/ CATHERINE E. DUNN
									Catherine E. Dunn
									Vice President and Chief Accounting Officer

FAQ

What did Oceaneering International (OII) announce in this 8-K?

Oceaneering furnished a press release announcing its Q3 2025 earnings as Exhibit 99.1 under Item 2.02.

Which period does the announcement cover for OII?

The press release covers the quarter ended September 30, 2025.

Is the Q3 2025 earnings information considered filed with the SEC?

No. The Item 2.02 information, including Exhibit 99.1, is furnished, not filed under the Exchange Act.

Where can I find the detailed results mentioned by OII?

The detailed results are in Exhibit 99.1, the furnished press release.

What is Oceaneering’s stock exchange and ticker?

Oceaneering’s common stock trades on the NYSE under the symbol OII.

What exhibit accompanies this report?

Exhibit 99.1 is the press release; Exhibit 104 is the cover page interactive data file.