Exhibit 99

RigNet Announces First Quarter 2016 Earnings Results

HOUSTON – May 9, 2016 – RigNet, Inc. (NASDAQ: RNET), a leading global provider of digital technology solutions focusing on serving energy facilities, maritime vessels and other global remote locations, today reported quarterly results for the quarter ended March 31, 2016.

Quarterly revenue was $62.3 million representing an increase of $10.2 million compared to the prior quarter and a decrease of $15.3 million compared to the prior year quarter. The revenue increase compared to the prior quarter was primarily due to a $12.8 million increase in TSI due to the settlement of the TSI contractual dispute partially offset by a $2.6 million decrease from Managed Services. The decrease compared to the prior year resulted primarily from Managed Services revenue which decreased $12.7 million. These Managed Services decreases are primarily due to reduced spending by oil and gas operators on upstream drilling projects as a result of lower commodity prices.

During the first quarter of 2016, the Company settled the TSI contractual dispute. As a result, the Company has reduced the accrued estimated loss from $14.3 million to $12.0 million for the life of this project, thus recognizing incremental Adjusted EBITDA in the quarter of $2.1 million consisting of revenue of $2.3 million and $0.2 million in legal fees. The Company believes it will complete the project in the second quarter of 2016.

Quarterly Adjusted EBITDA was $10.7 million compared to negative $3.2 million in the prior quarter and $17.1 million in the prior year quarter. The increase since the prior quarter was due to the settlement of the TSI dispute coupled with cost containment actions partially offset by lower Managed Services results. The decrease compared to the prior year quarter resulted primarily from lower revenue partially offset by benefits from cost containment actions.

GAAP net loss attributable to common stockholders was $1.3 million, or $0.08 per share, compared to $11.0 million, or $0.63 per share, in the prior quarter and $1.0 million, or $0.06 per share, in the prior year quarter.

1880 SOUTH DAIRY ASHFORD, SUITE 300 HOUSTON, TEXAS 77077 PHONE 281.674.0100 FAX 281.674.0101 http://www.rig.net

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Quarterly Cash Earnings were $9.1 million, or $0.52 per diluted share compared to $0.6 million, or $0.03 per share, in the prior quarter and $14.3 million, or $0.82 in the prior year quarter.

Capital expenditures were $4.9 million compared to $10.5 million in the prior quarter and $8.1 million in the prior year quarter. Unlevered Free Cash Flow, defined as Adjusted EBITDA less capital expenditures was $5.8 million compared to a negative $13.7 million in the prior quarter and $9.0 million in the prior year quarter.

The Company recorded $1.9 million of executive departure costs, acquisition costs of $0.2 million, $0.3 million of CEO search costs, and ERP implementation costs of $0.4 million in the quarter ended March 31, 2016. The Company recorded total negative adjustments of $15.6 million related to the TSI contractual dispute, a $1.7 million impairment of property, plant and equipment in our North America land operations, and incurred $1.0 million of executive departure costs in the quarter ended December 31, 2015. The Company recorded restructuring charges of ($0.6) million, ($0.1) million and $6.2 million in the quarters ended March 31, 2016, December 31, 2015 and March 31, 2015, respectively. The executive departure costs, acquisition costs, impairment of property, plant and equipment and restructuring charges are added back to net income in our non-GAAP measures below.

Marty L. Jimmerson, interim chief executive officer and president, commented, “During the first quarter, our managed services business performed well despite continuing difficult market conditions. We will continue to focus on reducing costs and providing the same best-in-class and high quality services to the energy industry during this down cycle, which we expect to continue in the near term. We are pleased with the accomplishments achieved to date regarding expanding our service offerings to the maritime and channel sales verticals. While not significant today we are encouraged with the opportunities that we see ahead of us in these two markets. Finally, we are pleased to have resolved the contractual dispute with our TSI customer, resulting in improvements to our revenue and earnings during the quarter and look forward to concluding this project in the second quarter of 2016.”

A conference call for investors will be held at 10:00 a.m. Eastern Time (9:00 a.m. Central Time) on Tuesday, May 10, 2016, to discuss RigNet’s 2016 first quarter results. The call may be accessed live over the telephone by dialing +1 (877) 845-0777, or, for international callers, +1 (760) 298-5090. Interested parties may also listen to a simultaneous webcast of the conference call by logging onto RigNet’s website at www.rig.net in the Investors – Webcasts and Presentations section. A replay of the conference call webcast will also be available on our website for approximately thirty days following the call.

Non-GAAP Financial Measures

This press release contains the following non-GAAP measures: Gross Profit (excluding depreciation and amortization), Adjusted EBITDA, Unlevered Free Cash Flow, Cash Earnings and Cash EPS. Gross Profit (excluding depreciation and amortization), Adjusted EBITDA, Unlevered Free Cash Flow, Cash Earnings

1880 SOUTH DAIRY ASHFORD, SUITE 300 HOUSTON, TEXAS 77077 PHONE 281.674.0100 FAX 281.674.0101 http://www.rig.net

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and Cash EPS are financial measures that are not calculated in accordance with generally accepted accounting principles, or GAAP. We refer you to the Company’s most recent 10-K filings for the year ended December 31, 2015 for a more detailed discussion of the uses and limitations of our non-GAAP financial measures.

GAAP defines gross profit as revenue less cost of revenue, and includes in costs of revenue depreciation and amortization expenses related to revenue-generating long-lived and intangible assets. We define Gross Profit (excluding depreciation and amortization) as revenue less cost of revenue (excluding depreciation and amortization). This measure differs from the GAAP definition of gross profit as we do not include the impact of depreciation and amortization expenses related to revenue-generating long-lived and intangible assets which represent non-cash expenses. We use this measure to evaluate operating margins and the effectiveness of cost management.

We define Adjusted EBITDA as net loss plus interest expense, income tax expense (benefit), depreciation and amortization, impairment of goodwill, intangibles, property, plant and equipment, foreign exchange impact of intercompany financing activities, (gain) loss on retirement of property, plant and equipment, change in fair value of derivatives, stock-based compensation, merger/acquisition costs and related bonuses, executive departure costs, restructuring charges and non-recurring items. Adjusted EBITDA should not be considered as an alternative to net loss, operating income (loss) or any other measure of financial performance calculated and presented in accordance with GAAP.

We define Unlevered Free Cash Flow as Adjusted EBITDA less capital expenditures. Unlevered Free Cash Flow should not be considered as an alternative to net loss, operating income (loss) or any other measure of financial performance calculated and presented in accordance with GAAP.

We define Cash Earnings as net loss, plus depreciation and amortization, impairment of goodwill, intangibles, property, plant and equipment, foreign exchange impact of intercompany financing activities, (gain) loss on retirement of property and equipment, change in fair value of derivatives, stock-based compensation, IPO or merger/acquisition costs and related bonuses, executive departure costs, restructuring charges and non-recurring items. We define Cash EPS as Cash Earnings divided by diluted shares. Cash Earnings and Cash EPS should not be considered as an alternative to net loss, operating income (loss), basic or diluted earnings per share or any other measure of financial performance calculated and presented in accordance with GAAP.

About RigNet

RigNet (NASDAQ: RNET) is a leading global provider of digital technology solutions focusing on serving energy facilities, maritime vessels and other global remote locations. RigNet provides solutions ranging from fully-managed voice and data networks to more advanced applications that include video conferencing and real-time data services to more than 1,000 remote sites in over 50 countries on six continents. RigNet is based in Houston, Texas. For more information, please visit www.rig.net. RigNet is a registered trademark of RigNet, Inc.

1880 SOUTH DAIRY ASHFORD, SUITE 300 HOUSTON, TEXAS 77077 PHONE 281.674.0100 FAX 281.674.0101 http://www.rig.net

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Forward Looking Statements

This press release includes “forward-looking statements” within the meaning of the safe harbor provisions of the United States Private Securities Litigation Reform Act of 1995 – that is, statements related to the future, not past, events. Forward-looking statements are based on the current expectations and include any statement that does not directly relate to a current or historical fact. In this context, forward-looking statements often address our expected future business and financial performance, and often contain words such as “anticipate,” “believe,” “intend,” “expect,” “plan” or other similar words. These forward-looking statements involve certain risks and uncertainties that ultimately may not prove to be accurate. Actual results and future events could differ materially from those anticipated in such statements. For further discussion of risks and uncertainties, individuals should refer to RigNet’s SEC filings. RigNet undertakes no obligation and does not intend to update these forward-looking statements to reflect events or circumstances occurring after this press release. You are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date of this press release. All forward-looking statements are qualified in their entirety by this cautionary statement.

1880 SOUTH DAIRY ASHFORD, SUITE 300 HOUSTON, TEXAS 77077 PHONE 281.674.0100 FAX 281.674.0101 http://www.rig.net

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1880 SOUTH DAIRY ASHFORD, SUITE 300 HOUSTON, TEXAS 77077 PHONE 281.674.0100 FAX 281.674.0101 http://www.rig.net

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1880 SOUTH DAIRY ASHFORD, SUITE 300 HOUSTON, TEXAS 77077 PHONE 281.674.0100 FAX 281.674.0101 http://www.rig.net

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1880 SOUTH DAIRY ASHFORD, SUITE 300 HOUSTON, TEXAS 77077 PHONE 281.674.0100 FAX 281.674.0101 http://www.rig.net

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NOTE: Consolidated balances include the three segments above along with corporate activities and intercompany eliminations.

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1880 SOUTH DAIRY ASHFORD, SUITE 300 HOUSTON, TEXAS 77077 PHONE 281.674.0100 FAX 281.674.0101 http://www.rig.net