Exhibit 99.1

For more information contact

Chris Porter

Vice President and Treasurer

(817) 224-7742

Christopher.Porter@dyn-intl.com

DYNCORP INTERNATIONAL INC.’S PARENT REPORTS FINAL RESULTS FOR

THE FOURTH QUARTER AND FULL YEAR 2011

FALLS CHURCH, Va. - (April 9, 2012) - Delta Tucker Holdings, Inc. (“Holdings”), the parent of DynCorp International Inc. (“DI”, and together with Holdings, the “Company”), a global government services provider supporting the United States’ national security and foreign policy objectives, today reported final fourth quarter revenue of $983 million, an increase of 14.8% over fourth quarter 2010, and final full year 2011 revenue of $3.7 billion, up $334.4 million or 9.9% from calendar year 2010, when adjusting for the deconsolidation of the Global Linguist Solutions (“GLS”) joint venture. Net income attributable to Holdings was $19.8 million for the full year 2011, after adjusting for the $49.1 million, net of tax, non-cash impairment of our GLS investment and the $31.7 million, net of tax, non-cash goodwill impairment related to our GSDS reporting segment recorded during the third and fourth quarter, respectively. Net income of Holdings for 2010 was $39.7 million after adjusting for the after tax $45.1 million of merger related expenses associated with the merger with affiliates of Cerberus Capital Management, L.P. in 2010.

“Our team delivered a very solid year of performance in 2011,” said Steven F. Gaffney, DI chairman and chief executive officer. “We focused on the right things - improving our processes, reorganizing our structure and upgrading our talent - to keep us on a path of growth. Our redesigned business development platform helped increase our backlog almost $1 billion over the year and drove significant increases in our new business pipeline. Structural changes reduced our indirect cost structure, making us more competitive and responsive. And process improvements improved our working capital by reducing DSO by 13 days, allowing us to meet our deleveraging plan by paying down more than $150 million on the term loan in 2011.”

Fourth Quarter Highlights

Summary Operating Results

Revenue for the fourth quarter of $983.0 million was up 14.8% from the same quarter in 2010 based on: continued strong demand under the LOGCAP IV contract; a 35% increase under the Air Operations Business Area Team (“BAT”), primarily due to construction services and secure air transportation services in Iraq and Afghanistan; increased business from the Security Services BAT, primarily in Iraq; and a 19.9% top line growth in the Training and Mentoring BAT from additional services under the Afghan National Police MOI Development Program (“AMDP”) and Combined Security Transition Command- Afghanistan (“CSTC-A”) contracts. Revenue for the quarter was partially offset by the loss of the Life Cycle Contract Support (“LCCS”) contract under the Aviation BAT.

Revenue for the year ended December 30, 2011 was $3.7 billion, up $334.4 million or 9.9% from the comparable period in 2010, adjusted for the deconsolidation of GLS, which recorded $309.1 million of revenue in 2010. Increased demand under the LOGCAP IV contract, the INL Air Wing contract and the Training and Mentoring BAT drove the increase.

Fourth quarter net income attributable to Holdings was $4.1 million, adjusted for the $31.7 million goodwill impairment related to GSDS reporting segment during the fourth quarter, net of tax, up $3.5 million from the same quarter in 2010. The change in net income attributable to Holdings was due primarily to increased volume and lower selling, general and administrative expenses, lower interest and tax expense, partially offset by a reduction in profitability attributable to the GLS joint venture and a $4.9 million loss on early extinguishment of debt.

Net income attributable to Holdings for the year ended 2011 was $19.8 million, adjusted for the $80.8 million, net of tax, impairment of the carrying value of DI’s investment in the Global Linguist Solutions (“GLS”) joint venture and the goodwill impairment related to the ITS and TM reporting unit during the fourth quarter, down $19.9 million, from the comparable period in 2010, which is adjusted for the after tax $45.1 million merger related expense. The change in net income attributable to Holdings was due primarily to increases in revenue resulting from higher demand under the LOGCAP IV, AMDP and INL Air Wing contracts; and improved profitability in the Aviation BAT. These increases in net income were more than offset by a decrease in earnings from equity method investees due primarily to the decrease in GLS’ earnings, a loss recognized on the early extinguishment of debt and the shift in mix from the Civilian Police (“CivPol”) Afghanistan program to AMDP. Lower volume levels and profitability on the Mine Resistant Ambush Protected Vehicles (“MRAP”) contracts as that program moves into the sustainment phase of its lifecycle also drove the negative comparison.

Adjusted EBITDA for fourth quarter 2011 was $41.4 million or $5.3 million lower than the comparable period in 2010. Adjusted EBITDA was negatively impacted by lower LCCS volumes, reduced demand for services of the GLS joint venture as a result of troop withdrawals in Iraq, lower volume on the CivPol contract, and a true-up under the Contingency Operations BAT for lower than anticipated award fee scores on the LOGCAP IV contract. Partially offsetting these decreases were increased demand under the LOGCAP IV contract, increased volume and profitability on the INL Air Wing contract for construction and secure aviation transportation in Iraq and Afghanistan, improved margins on the CFT contract, and higher volume and profitability under the Security Services BAT.

2011 full year adjusted EBITDA of $193.6 million decreased $26.2 million from the comparable 2010 period primarily due to the loss of the LCCS programs, lower earnings from GLS, lower profitability on the MRAP program as it transitioned to a sustainment mode, and lower margins on the AMDP program compared to the program it replaced, CivPol Afghanistan (“ACAS”). Additional volume on the LOGCAP IV program, new contracts under the Aviation BAT and improved performance on the CFT and Counter-Narcoterrorism Technology Program Office (“CNTPO”) programs helped offset these declines.

Reportable Segments Results:

Global Stabilization and Development Solutions (GSDS):

The GSDS segment produced revenue of $638.8 million for the fourth quarter representing a 17.7% increase from the same period in 2010 and full year revenue of $2.4 billion, an increase of 15.1% over the calendar year 2010. GSDS represented 64.5% of total revenue for the year ended December 30, 2011. The performance was primarily driven by the following:

Contingency Operations:

Training and Mentoring:

Security:

Operating income:

Global Platform Support Solutions (GPSS):

The GPSS segment produced revenue of $349.4 million for the fourth quarter representing an 11.6% increase from the same period in 2010 and full year revenue of $1.3 billion, an increase of 1.3% over the calendar year 2010. GPSS represented 35.3% of total revenue for the year ended December 30, 2011. The performance was primarily driven by the following:

Aviation:

Air Operations:

Operations and Maintenance:

Operating income:

Global Linguist Solutions (GLS):

Organizational Changes:

Steve Schorer, president, commented on recent organizational changes, “To capitalize on the success we saw in 2011 and to continue the momentum into 2012, we analyzed the global markets that are most attractive to DI, made changes to align and size our businesses accordingly, and brought in new team members to help secure new opportunities.”

Under this new structure, the Company’s organization is as follows:

GPSS:

GSDS:

Liquidity

Cash provided by Operating Activities of $168.0 million for the year ended December 30, 2011 was driven from strong collections of receivables, reducing DSO to 69 days, as well as the collection of a $46.0 million tax refund resulting from an approved change in accounting method with the IRS.

During the year, the Company made principal prepayments in the amount of $151.3 million on its Term Loan facility to reduce gross debt outstanding by 14.8%. The principal prepayment made in October of 2011 satisfied the Company’s responsibility to make quarterly principle payments through 2016.

2012 Outlook

The Company enters 2012 with a strong backlog of orders and market position and depth of services to meet the life-cycle of needs to support the national security and foreign policy objectives of the U.S. and its allies. Backlog ended the year at $5.7 billion, up $959 million from calendar year 2010, a 20.1% increase. Each of DI’s BATS successfully won new contracts or re-competes during the year including significant wins in the Security Services and Aviation BATS and the extension of the first option year under the LOGCAP IV contract.

Bill Kansky, Chief Financial Officer stated, “We anticipate growth in both sales and profitability in 2012. The headwind from our GLS JV and lower CivPol volumes will be offset by continued gains on the AMDP contract, growth in our Aviation group and improved award fee scores on the LOGCAP IVprogram. This should result in overall margins remaining at current levels.”

About DynCorp International

DynCorp International Inc., a wholly owned subsidiary of Delta Tucker Holdings, Inc., is a global government services provider working in support of U.S. national security and foreign policy objectives, delivering support solutions for defense, diplomacy, and international development. DynCorp International operates major programs in logistics, platform support, contingency operations, and training and mentoring to reinforce security, community stability, and the rule of law. DynCorp International is headquartered in Falls Church, Va. For more information, visit www.dyn-intl.com.

Reconciliation to GAAP

In addition to the Company’s financial results reported in accordance with accounting principles generally accepted in the United States of America (“GAAP”) included in this press release, the Company has provided certain financial measures that are not calculated according to GAAP, Including EBITDA. We define EBITDA as GAAP net income attributable to the Company adjusted for interest, taxes, depreciation and amortization. Adjusted EBITDA is calculated by adjusting EBITDA for certain noncash items from operations and certain other items as defined in our 10.375% Senior Unsecured Notes and our Credit Facility. Management believes these non-GAAP

financial measures are useful in evaluating operating performance and are regularly used by security analysts, institutional investors and other interested parties in reviewing the Company. Non-GAAP financial measures such as EBITDA and Adjusted EBITDA are not intended to be a substitute for any GAAP financial measure and, as calculated, may not be comparable to other similarly titled measures of the performance of other companies. We believe that Adjusted EBITDA is useful in assessing our ability to generate cash to cover our debt obligations including interest and principal payments. Non-GAAP financial measures are not intended to be a substitute for any GAAP financial measure and, as calculated, may not be comparable to other similarly titled measures of the performance of other companies.

For a reconciliation of non-GAAP financial measures to the comparable GAAP financial measures please see the financial schedules accompanying this release.

Forward-looking Statements

This announcement may contain forward-looking statements regarding future events and our future results that are subject to the safe harbors created by the Private Securities Litigation Reform Act of 1995 under the Securities Act of 1933 (the “Securities Act”) and the Securities Exchange Act of 1934 (the “Exchange Act”). Without limiting the foregoing, the words “believes,” “thinks,” “anticipates,” “plans,” “expects” and similar expressions are intended to identify forward-looking statements. Forward-looking statements involve risks and uncertainties. Statements regarding the amount of our backlog, estimated total contract values, and 2012 outlook are other examples of forward-looking statements. We caution that these statements are further qualified by important economic, competitive, governmental, international and technological factors that could cause our business, strategy, projections or actual results or events to differ materially, or otherwise, from those in the forward-looking statements. These factors, risks and uncertainties include, among others, the following: the future impact of mergers acquisitions, joint ventures or teaming agreements; our substantial level of indebtedness and changes in availability of capital and cost of capital; the outcome of any material litigation, government investigation, audit or other regulatory matters; policy and/or spending changes implemented by the Obama Administration, any subsequent administration or Congress; termination or modification of key U.S. government or commercial contracts, including subcontracts; changes in the demand for services that we provide or work awarded under our contracts, including without limitation, the Civilian Police, International Narcotics and Law Enforcement, Worldwide Personal Protection Services and LOGCAP IV contracts; change in demand for services provided by our joint venture partners; pursuit of new commercial business in the U.S. and abroad; activities of competitors and the outcome of bid protests; changes in significant operating expenses; impact of lower than expected win rates for new business; general political, economic, regulatory and business conditions in the U.S. or in other countries in which we operate; acts of war or terrorist activities; variations in performance of financial markets; the inherent difficulties of estimating future contract revenue and changes in anticipated revenue from indefinite delivery, indefinite quantity contracts; the timing or magnitude of any award fee granted under our government contracts, including, but not limited to, LOGCAP IV; changes in expected percentages of future revenue represented by fixed-price and time-and-materials contracts, including increased competition with respect to task orders subject to such contracts; termination or modification of key subcontractor performance or delivery; and statements covering our business strategy, those described in “Risk Factors” in our Annual Report on Form 10-K for the year ended December 30, 2011 filed with the SEC on April 9, 2012 and other risks detailed from time to time in our reports filed with the SEC. Accordingly, such forward-looking statements do not purport to be predictions of future events or circumstances and therefore, there can be no assurance that any forward-looking statement contained herein will prove to be accurate. We assume no obligation to update the forward-looking statements. Given these risk and uncertainties, you are cautioned not to place undue reliance on forward-looking statements. The Company’s actual results could differ materially from those contained in the forward-looking statements.

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DELTA TUCKER HOLDINGS, INC. (DTH, Inc.)

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