Industries Integrated Solutions Products and Services Careers Investor Relations Oceaneering is a global provider of engineered services and products, primarily to the offshore energy industry. Oceaneering also serves the defense, aerospace, and entertainment industries. Investor Relations Press Releases Presentations and Webcasts Filings & Reports Stock Information Governance Sustainability Email Alerts Recent Press Releases OCTOBER 27, 2021 Oceaneering Reports Third Quarter 2021 Results SEPTEMBER 29, 2021 Oceaneering Announces Dates for Third Quarter 2021 Earnings Release and Conference Call MORE --> NYSE:OII 12.02 0.62(5.44%) Volume 967,091 2016 2018 2020 0 25 50 Minimum 20 min delay November 23, 2021 Featured Webcast OCTOBER 28, 2021 10:00 AM CST Third Quarter 2021 Earnings Conference Call LISTEN TO WEBCAST (OPENS IN NEW WINDOW) Investor Presentation (opens in new window) SEPTEMBER 1, 2021 September Investor Presentation Download PDF (opens in new window) Latest Quarter Q32021 Q3 Earnings Press Release Q3 SEC Form 10-Q Q3 Conference Call Webcast Q3 Conference Call Transcript Email Alerts Press Release SEC Filing Presentation Event EOD Stock Quote Contact Investor Relations Mark Peterson Vice President, Corporate Development and Investor Relations +1 713.329.4507 InvestorRelations@oceaneering.com Transfer Agent Information For inquiries related to stock certificates, including changes of address, please contact: Computershare PO Box 505000 Louisville, KY 40233-5000 Overnight Deliveries: 462 South 4th Street, Suite 1600 Louisville, KY 40202 OII Account Information computershare.com/investor Telephone: +1 781.575.2879 or +1 877.373.6374 Fax: +1 781.575.3605 Hearing Impaired/TDD: +1 800.952.9245 News and Media Latest News Article Archive Trade Shows and Events Financial Press Releases Brochures Case Studies Multimedia Oceaneering Brand Guidelines Careers Why Oceaneering? Career Search Diversity and Inclusion Recruiting Calendar About Us Our Story HSE Mission, Vision, and Values Corporate Sustainability Contact Us Locations Employee Access Vendors Terms and Conditions Privacy Policy © Copyright 2021 Oceaneering International, Inc. All rights reserved.

Industries Integrated Solutions Products and Services Careers Sustainability Locations Investor Relations OII 12.02 +0.62 Our Mission, Vision, and Values About Us Mission, Vision, and Values OUR MISSION OUR VISION We thrive by creating industry-changing technically creative solutions for the most complex operational challenges under water, on land, and in space. OUR VALUES Terms and Conditions | Privacy Policy © Copyright 2021 Oceaneering International, Inc. All rights reserved.