Sparton Corporation (NYSE: SPA) and USSI, a subsidiary of Ultra Electronics Holdings plc (ULE) announce the award of subcontracts valued at $4.0 million from their ERAPSCO/SonobuoyTech Systems joint venture, for the manufacture of multiple Passive and Active Sonobuoys in support of several international Sonobuoy customer exercises planned with the U.S. Navy as well as other sonobuoy end-users. ERAPSCO/SonobuoyTech Systems will provide manufacturing subcontracts in the amount of $4.0 million to Sparton Electronics Florida Inc. Production will take place at Sparton's DeLeon Springs, FL facility and is expected to be completed by June 2013.

ERAPSCO/SonobuoyTech Systems was awarded multiple international contracts for Passive and Active sonobuoys that are used for detection, classification, and localization of adversary submarines during peacetime and combat operations.

ERAPSCO/SonobuoyTech Systems is pleased to have been selected to assist international customers in protecting their borders by providing the leading-edge products developed by its joint venture partners. The joint venture welcomes opportunities to play a role in the defense activities of our foreign allies and the expansion of the number of contracts received from foreign nations demonstrates ERAPSCO's deliberate progress into markets outside the U.S.

About Sparton Corporation

Sparton Corporation (NYSE:SPA), now in its 113th year, is a provider of complex and sophisticated electromechanical devices with capabilities that include concept development, industrial design, design and manufacturing engineering, production, distribution, field service, and refurbishment. The primary markets served are Medical, Military & Aerospace, and Industrial & Instrumentation. Headquartered in Schaumburg, IL, Sparton currently has five manufacturing locations worldwide. Sparton's Web site may be accessed at http://www.sparton.com.

Further information about Ultra:

Ultra Electronics is an internationally successful defence, security, transport and energy company with a long, consistent track record of development and growth. Ultra businesses constantly innovate to create solutions to customer requirements that are different from and better than those of the Group's competitors. The Group has over one hundred and eighty distinct market or technology niches within its twenty eight businesses. The diversity of niches enables Ultra to contribute to a large number of defence, aerospace and civil platforms and programmes and provides resilience to the Group's financial performance.

Ultra has world-leading positions in many of its niches and, as an independent, non-threatening partner, is able to support all of the main prime contractors with specialist capabilities and solutions. As a result of such positioning, Ultra's systems, equipment or services are often mission-critical to the successful operation of the platform to which they contribute. In turn, this mission-criticality secures Ultra's positions for the long term which underpin the superior financial performance of the Group.

Ultra offers support to its customers through the design, delivery and support phases of a programme. Ultra businesses have a high degree of operational autonomy where the local management teams are empowered to devise and implement competitive strategies that reflect their expertise in their specific niches. The Group has a small head office and executive team that provide to the individual businesses the same agile, responsive support that they provide to customers as well as formulating Ultra's overarching, corporate strategy.

Safe Harbor and Fair Disclosure Statement

Safe Harbor statement under the Private Securities Litigation Reform Act of 1995: To the extent any statements made in this release contain information that is not historical, these statements are essentially forward-looking and are subject to risks and uncertainties, including the difficulty of predicting future results, the regulatory environment, fluctuations in operating results and other risks detailed from time to time in Sparton's filings with the Securities and Exchange Commission (SEC). The matters discussed in this press release may also involve risks and uncertainties concerning Sparton's services described in Sparton's filings with the SEC. In particular, see the risk factors described in Sparton's most recent Form 10K and Form 10Q. Sparton assumes no obligation to update the forward-looking information contained in this press release.

Sparton Corporation
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Mark Schlei, 847-762-5812
mschlei@sparton.com
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Mike Osborne, 847-762-5814
mosborne@sparton.com
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Institutional Marketing Services (IMS)
John Nesbett/Jennifer Belodeau
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jnesbett@institutionalms.com