Sparton Corporation Announces Sonobuoy Contract Awards from the United States Navy

(JACKSON, MICHIGAN)-December 22, 2004-Electronics design and manufacturing service (EMS) provider, Sparton Corporation (NYSE:SPA) was awarded three contracts for the manufacture of sonobuoys for the United States Navy. The three contracts in total, are valued at over $21 Million.

Sparton was awarded $11.8 Million for production the Company's AN/SSQ-53F sonobuoy; over $6 Million for the AN/SSQ-77C; and over $2.8 Million for the AN/SSQ-62E. The production of the three sonobuoys, which will be in the Sparton’s DeLeon Springs, Florida facility, are expected to be completed by December 2006.

Headquartered in Michigan, Sparton is the only remaining U.S.-owned designer and manufacturer of sonobuoys for the U.S. Navy. Sonobuoys are dropped from various airborne platforms and utilized for search and detection of submerged submarines.

Sparton Corporation (NYSE:SPA) now in its 104th year, provides high mix, low to medium volume electronics design and manufacturing services utilizing six manufacturing locations encompassing over 700,000-sq. ft. along with seven alliance partner facilities throughout North America and Europe. In addition to strong core surface mount technology (SMT) and plated through-hole (PTH), printed circuit board assembly (PCBA) and complete assembly manufacturing capabilities, Sparton offers a complete range of pre-manufacturing and post-manufacturing services. Pre-manufacturing services include product development, concurrent engineering, design for test (DFT), design for manufacturing (DFM), design for assembly (DFA), printed circuit board design and quick-turn prototyping. Post-manufacturing services range from repair depot, direct ship, distribution management to field support.

"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 the Company's filings with the Securities and Exchange Commission.