Additional Listing

Ultra Electronics Holdings plc

Additional Listing

Application has been made to the Financial Services Authority and the London Stock Exchange for a block listing of 110,000 ordinary shares of 5p each to trade on the London Stock Exchange and to be admitted to the Official List upon issuance. The shares shall rank equally with the existing issued ordinary shares of the Company.

The shares will be issued and allocated as stated out of the following share option schemes:

Executive Share Option Scheme (50,000)

Company Share Option Plan (45,000)

Save As You Earn Scheme (5,000)

Canadian Stock Option Plan (5,000)

US Stock Option Plan (5,000)

Name of authorised official of issuer responsible for making notification:

David Garbett-Edwards

Company Secretary

Tel: +44 (0)1242 225039

20th April 2012