Blocklisting Interim Review

Name of applicant:

Ultra Electronics Holdings plc

Name of scheme:

a. Executive Share Option Scheme

b. Company Share Option Plan

c. United States Savings Related Stock Option Plan

d. Canadian Savings Related Stock Option Plan

e. Ultra Electronics Sharesave Scheme

f. Abu Dhabi Savings Related Stock Option Plan

Period of return:

From:

07/10/2010

To:

15/04/2011

Balance of unallotted securities under scheme(s) from previous return:

95,557

Plus:  The amount by which the block scheme(s) has been increased since the date of the last return (if any increase has been applied for):

100,000

Less:  Number of securities issued/allotted under scheme(s) during period (see LR3.5.7G):

a. 72,733

b. 19,782

c. 1,273

d. 234

e. 55,884

f. 944

Equals:  Balance under scheme(s) not yet issued/allotted at end of period:

44,707

Name of contact:

David Garbett-Edwards

Telephone number of contact:

+44 (0)1242 225039