Oceaneering International, Inc. ("Oceaneering") (NYSE: OII) announced its participation at upcoming investor conferences during the first quarter of 2026.

• THRIVE Energy Conference
  Houston, TX – February 26, 2026
  Michael Sumruld, Chief Financial Officer, Benjamin Laura, Chief Operating Officer, and Hilary Frisbie, Senior Director of Investor Relations, will meet with institutional investors.

• J.P. Morgan 2026 Global Leveraged Finance Conference
  Miami, FL – March 3, 2026
  Michael Sumruld, Chief Financial Officer, and Hilary Frisbie, Senior Director of Investor Relations, will meet with institutional investors.

• Piper Sandler Annual Energy Conference
  Las Vegas, NV – March 17, 2026
  Michael Sumruld, Chief Financial Officer, and Hilary Frisbie, Senior Director of Investor Relations, will meet with institutional investors.

Oceaneering’s most recent presentation is available on the Investor Relations page of Oceaneering’s website at https://investors.oceaneering.com/presentations-webcasts/default.aspx .

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, please visit www.oceaneering.com.

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