Oceaneering International, Inc. ("Oceaneering") (NYSE: OII) announces that it will report financial results for the third quarter of 2025 on Wednesday, October 22, 2025, after the close of trading on the New York Stock Exchange. The earnings release will be available on Oceaneering's website at oceaneering.com.

Oceaneering has also scheduled a conference call and webcast related to its third quarter results for Thursday, October 23, 2025, at 10:00 a.m. Central Time. Interested parties may listen to the call through a webcast link posted in the Investor Relations section of Oceaneering's website. A replay of the conference call will be made available on the website approximately two hours after the live call concludes.

Oceaneering is a global technology company delivering engineered services and products and robotic solutions to the offshore energy, defense, aerospace, and manufacturing industries.

For more information on Oceaneering, please visit oceaneering.com.

View source version on businesswire.com: https://www.businesswire.com/news/home/20250924758792/en/

Hilary Frisbie

Senior Director, Investor Relations

Oceaneering International, Inc.

713-329-4755

investorrelations@oceaneering.com

Oceaneering Announces Dates for Third Quarter 2025 Earnings Release and Conference Call