THIS ANNOUNCEMENT AND THE INFORMATION CONTAINED IN IT IS NOT FOR RELEASE, PUBLICATION OR DISTRIBUTION, DIRECTLY OR INDIRECTLY, IN WHOLE OR IN PART, IN OR INTO ANY JURISDICTION IN WHICH IT WOULD BE UNLAWFUL TO DO SO. PLEASE SEE THE IMPORTANT NOTICE WITHIN THIS ANNOUNCEMENT.

Ultra Electronics Holdings plc ("Ultra")

Completion of CFIUS Process

Ultra is pleased to announce that on 20 November 2017 the Committee on Foreign Investment in the United States (CFIUS) completed its review process and stated that there are no unresolved national security concerns with respect to Ultra's proposed acquisition of Sparton Corporation (the "Transaction").

The Transaction remains subject, inter alia, to receiving anti-trust clearance for the Transaction under the Hart-Scott-Rodino Act. On 10 November 2017, Ultra provided an update on the HSR approval process and that it had entered into a timing agreement with the US Department of Justice ("DoJ").

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About Ultra

Ultra Electronics is an internationally successful defence, security, transport and energy company with a long track record of development and growth. Ultra and Ultra's subsidiaries and subsidiary undertakings (the "Ultra Group") manage a portfolio of specialist capabilities generating innovative solutions to customer needs. Ultra applies electronic and software technologies in demanding and critical environments ranging from military applications, through safety-critical devices in aircraft, to nuclear controls and sensor measurement. These capabilities have seen the Ultra Group's highly-differentiated products contributing to a large number of platforms and programmes.

Ultra has world-leading positions in many of its specialist capabilities and, as an independent, non-threatening partner, is able to support all of the main prime contractors in its sectors. As a result of such positioning, Ultra's systems, equipment or services are often mission or safety-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 underpins the superior financial performance of the Ultra 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 Ultra 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.

Across the Ultra Group's three divisions, Ultra operates in the following eight market segments:

This announcement is for information purposes only and is not intended to and does not constitute, or form part of, any offer or invitation to purchase, subscribe for or otherwise acquire or dispose of, or any solicitation to purchase or subscribe for or otherwise acquire or dispose of, any securities in any jurisdiction. Persons needing advice should consult an independent financial adviser. The information contained in this announcement is not for release, publication or distribution to persons in any jurisdiction where to do so might constitute a violation of local securities laws or regulations. The information contained in this announcement is for background purposes only and does not purport to be full or complete. The information in this announcement is subject to change without notice.