The presentation slides will be accessible after the close of the market on Monday, February 6, 2012, through the Investor Relations link at Oceaneering’s website, www.oceaneering.com. There will not be a webcast of the presentation.

Oceaneering is a global oilfield provider of engineered services and products, primarily to the offshore oil and gas industry, with a focus on deepwater applications.

For further information, please contact Jack Jurkoshek, Director Investor Relations, Oceaneering International, Inc., 11911 FM 529, Houston, Texas 77041; Telephone 713-329-4670; www.oceaneering.com; E-Mail investorrelations@oceaneering.com.

PR 1111

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A conference call to discuss these results and the company’s future business outlook is scheduled for Thursday, February 16 at 11:00 a.m. Eastern (10:00 a.m. Central). This call will be webcast by Thomson Reuters and can be accessed through Oceaneering’s website at www.oceaneering.com/investor-relations/. An archived replay will be available starting one hour after the call ends.

Oceaneering is a global oilfield provider of engineered services and products, primarily to the offshore oil and gas industry, with a focus on deepwater applications. Through the use of its applied technology expertise, Oceaneering also serves the defense and aerospace industries.

For further information, please contact Jack Jurkoshek, Director Investor Relations, Oceaneering International, Inc., 11911 FM 529, Houston, Texas 77041; Telephone 713-329-4670; www.oceaneering.com; E-Mail investorrelations@oceaneering.com.

PR 1109

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The new revolving credit facility will be available to refinance advances outstanding under the prior credit facility and for other general corporate purposes. Wells Fargo Securities, LLC and DNB Markets, Inc. acted as joint lead arrangers and joint bookrunners for the facility. Wells Fargo is the Administrative Agent under the new credit agreement and DNB is the Syndication Agent. The new credit agreement contains similar financial covenants as the prior credit agreement relative to defined levels of Oceaneering’s debt to total capitalization and interest expense coverage.

Robert P. Mingoia, Vice President and Treasurer, stated, “We are extremely pleased that our international group of banks has shown their confidence in our future business prospects. The new arrangement provides us medium-term capital at attractive rates and, coupled with our anticipated strong cash flow, provides us with continued financial flexibility to fund future growth.”

Statements in this press release that express a belief, expectation or intention, as well as those that are not historical fact, are forward looking. The forward-looking statements in this press release include the statement concerning Oceaneering’s purposes for the new credit facility and its strong cash flow and financial flexibility. These forward- looking statements are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995 and are based on current information and expectations of Oceaneering that involve a number of risks, uncertainties, and assumptions. Among the factors that could cause the actual results to differ materially from those indicated in the forward-looking statements are: industry conditions, prices of crude oil and natural gas, Oceaneering’s ability to obtain and the timing of new projects, and changes in competitive factors. Should one or more of these risks or uncertainties materialize, or should the assumptions underlying the forward-looking statements prove incorrect, actual outcomes could vary materially from those indicated. These and other risks are fully described in Oceaneering’s annual report on Form 10-K for the year ended December 31, 2010 and subsequent quarterly reports on Form 10-Q filed with the Securities and Exchange Commission. Oceaneering undertakes no obligation to update or revise any forward-looking statements to reflect new information or the occurrence of unanticipated events or otherwise, except as required by applicable law.

Oceaneering is a global provider of engineered services and products, primarily to the offshore oil and gas industry, with a focus on deepwater applications. Through the use of its applied technology expertise, Oceaneering also serves the defense and aerospace industries.

For further information, please contact Jack Jurkoshek, Director Investor Relations, Oceaneering International, Inc., 11911 FM 529, Houston, Texas 77041; Telephone 713-329-4670; www.oceaneering.com; E-Mail investorrelations@oceaneering.com.

PR 1104

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The conference handout will be accessible after the close of the market on January 10, 2012, through the Investor Relations link at Oceaneering’s website, www.oceaneering.com.

Oceaneering is a global oilfield provider of engineered services and products, primarily to the offshore oil and gas industry, with a focus on deepwater applications.

For further information, please contact Jack Jurkoshek, Director Investor Relations, Oceaneering International, Inc., 11911 FM 529, Houston, Texas 77041; Telephone 713-329-4670; www.oceaneering.com; E-Mail investorrelations@oceaneering.com.

PR 1103

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Two chartered vessels, the Ocean Intervention III and the Bourbon Oceanteam 101, will be supplied under the contract. Each vessel will be outfitted with two Oceaneering work class remotely operated vehicles (ROVs) capable of working in 3,000 meters of water. Oceaneering will mobilize its chartered vessel, the Ocean Intervention III, from the U.S. Gulf of Mexico to Angola commencing in early January 2012. The contract scope of work includes light subsea construction, inspection, maintenance, and repair services on existing and future subsea infrastructure. The contract has a provision for Oceaneering to provide, at BP’s option, a third vessel after the commencement date.

M. Kevin McEvoy, President and Chief Executive Officer, stated, “We are pleased to have secured this contract with BP, one of our largest customers. This project builds on our well-established deepwater vessel project capabilities in the U.S. Gulf of Mexico and represents a significant geographic expansion with considerable backlog for our Subsea Projects business. It further reinforces our long-term commitment to Angola, which is a growing market for Oceaneering’s services and products.

“The expected impact of the work we will be performing under this contract next year was included in our previously announced 2012 EPS guidance range of $2.45 to $2.65. While the contract commences in the beginning of 2012, the scope of the work performed will expand gradually during the first half of the year.”

Oceaneering is a global oilfield provider of engineered services and products, primarily to the offshore oil and gas industry, with a focus on deepwater applications. Through the use of its applied technology expertise, Oceaneering also serves the defense and aerospace industries.

In accordance with the Safe Harbor provisions of the Private Securities Litigation Reform Act of 1995, Oceaneering International, Inc. cautions that statements in this press release which are forward-looking involve risks and uncertainties that may impact Oceaneering’s actual results. The forward-looking statements in this press release concern Oceaneering’s: anticipated delivery of project management, engineering, and vessel services; estimated commencement date; anticipated supply of two vessels and outfitting each with two Oceaneering work class ROVs capable of working in 3,000 meters of water; intent to mobilize the Ocean Intervention III from the U.S. Gulf of Mexico to Angola commencing in early January 2012; belief that the contract represents a significant geographic expansion with considerable backlog for its Subsea Projects business; belief that the contract further reinforces its long-term commitment to Angola, and that Angola is a growing market for Oceaneering’s services and products; previously announced 2012 EPS guidance range of $2.45 to $2.65; and projection that the contract scope of the work performed will expand gradually during the first half of the year. Although Oceaneering’s management believes that the expectations reflected in these forward-looking statements are reasonable, Oceaneering can give no assurance that the expectations will prove to have been correct. The forward-looking statements are made based on various underlying assumptions and are subject to numerous uncertainties and risks, including without limitation, changes in project design or schedule, contract cancellation, change orders and other modifications, and difficulties executing on the project. If one or more of these risks materialize, or if underlying assumptions prove incorrect, actual results may vary materially from those expected. For a more complete discussion of these and other risk factors, please see Oceaneering’s annual report on Form 10-K for the year ended December 31, 2010 and subsequent quarterly reports on Form 10-Q filed with the Securities and Exchange Commission. Oceaneering undertakes no obligation to update or revise any forward-looking statements to reflect new information or the occurrence of unanticipated events or otherwise, except as required by applicable law.

For further information, please contact Jack Jurkoshek, Director Investor Relations,
Oceaneering International, Inc., 11911 FM 529, Houston, Texas 77041; Telephone 713-329-4670; www.oceaneering.com; E-Mail investorrelations@oceaneering.com.

PR 1095

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The acquisition price was approximately $230 million, including acquired debt, and was funded with cash and debt from Oceaneering’s existing revolving credit facility.

Oceaneering is a global provider of engineered services and products, primarily to the offshore oil and gas industry, with a focus on deepwater applications. Through the use of its applied technology expertise, Oceaneering also serves the defense and aerospace industries.

For further information, please contact Jack Jurkoshek, Director Investor Relations, Oceaneering International, Inc., 11911 FM 529, Houston, Texas 77041; Telephone 713-329-4670; www.oceaneering.com; E-Mail investorrelations@oceaneering.com.

PR 1101

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Mechanica, headquartered in Stavanger, Norway, is a design and fabrication company specializing in remotely operated subsea tools for the offshore oil and gas industry. For 2010, Mechanica’s revenue was approximately $12 million.

Oceaneering is a global provider of engineered services and products, primarily to the offshore oil and gas industry, with a focus on deepwater applications. Through the use of its applied technology expertise, Oceaneering also serves the defense and aerospace industries.

For further information, please contact Jack Jurkoshek, Director Investor Relations, Oceaneering International, Inc., 11911 FM 529, Houston, Texas 77041; Telephone 713-329-4670; E-Mail investorrelations@oceaneering.com.

PR 1100

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The presentation slides will be accessible at 9:00 a.m. Eastern on Tuesday, December 6, 2011 through the Investor Relations link at Oceaneering’s website, www.oceaneering.com. There will not be a webcast of the presentation.

Oceaneering is a global oilfield provider of engineered services and products, primarily to the offshore oil and gas industry, with a focus on deepwater applications.

For further information, please contact Jack Jurkoshek, Director Investor Relations, Oceaneering International, Inc., 11911 FM 529, Houston, TX 77041; Telephone 713-329-4670; www.oceaneering.com; E-Mail investorrelations@oceaneering.com.

PR 2001

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The conference slides will be accessible after the close of the market on Monday, December 5, 2011, through the Investor Relations link at Oceaneering’s website, www.oceaneering.com. There will be no webcast of the presentation.

Oceaneering is a global oilfield provider of engineered services and products primarily to the offshore oil and gas industry, with a focus on deepwater applications.

For further information, please contact Jack Jurkoshek, Director Investor Relations, Oceaneering International, Inc., 11911 FM 529, Houston, Texas 77041; Telephone 713-329-4670; www.oceaneering.com; E-Mail investorrelations@oceaneering.com.

PR 2000

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The conference slides will be accessible after the close of the market on Tuesday, November 29, 2011, through the Investor Relations link at Oceaneering’s website, www.oceaneering.com. There will be no webcast of the presentation.

Oceaneering is a global oilfield provider of engineered services and products primarily to the offshore oil and gas industry, with a focus on deepwater applications.

For further information, please contact Jack Jurkoshek, Director Investor Relations, Oceaneering International, Inc., 11911 FM 529, Houston, Texas 77041; Telephone 713-329-4670; www.oceaneering.com; E-Mail investorrelations@oceaneering.com.

PR 1098

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