Holding(s) in Company

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES

1. Identity of the issuer or the underlying issuerof existing shares to which voting rights areattached:

Ultra Electronics Holdings Plc

2 Reason for the notification (please tick the appropriate box or boxes):

An acquisition or disposal of voting rights

Yes

An acquisition or disposal of qualifying financial instruments which may result in the acquisition of shares already issued to which voting rights are attached

An acquisition or disposal of instruments with similar economic effect to qualifying financial instruments

An event changing the breakdown of voting rights

Other (please specify):

3. Full name of person(s) subject to thenotification obligation:

Ameriprise Financial, Inc. and its group

4. Full name of shareholder(s)  (if different from 3.):

See additional Information under 13.

5. Date of the transaction and date onwhich the threshold is crossed orreached:

12 June 2013

6. Date on which issuer notified:

17 June 2013

7. Threshold(s) that is/are crossed orreached:

Below the threshold of 5%

8. Notified details:

A: Voting rights attached to shares

Class/type ofshares

if possible usingthe ISIN CODE

Situation previousto the triggeringtransaction

Resulting situation after the triggering transaction

NumberofShares

NumberofVotingRights

Numberof shares

Number of votingrights

% of voting rights

Direct

Direct

Indirect

Direct

Indirect

GB0009123323

3,478,613

3,478,613

35,410

35,410

3,430,325

0.051%

4.932%

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financialinstrument

Expirationdate

Exercise/Conversion Period

Number of votingrights that may beacquired if theinstrument isexercised/ converted.

% of votingrights

N/A

N/A

N/A

N/A

N/A

C: Financial Instruments with similar economic effect to Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financialinstrument

Exercise price

Expiration date

Exercise/Conversion period

Number of voting rights instrument refers to

% of voting rights,

CFD

5,497

Nominal

Delta

0.008

Total (A+B+C)

Number of voting rights

Percentage of voting rights

3,471,232

4.991%

9. Chain of controlled undertakings through which the voting rights and/or thefinancial instruments are effectively held, if applicable:

Ameriprise Financial, Inc. which through intermediate holding companies controls the voting rights of Columbia Management Investment Advisers, Columbia Wanger Asset Management, Threadneedle Management Luxembourg S.A. and Threadneedle Asset Management Holdings Ltd, which itself controls the voting rights of Threadneedle Asset Management Ltd, Threadneedle International Ltd and Threadneedle Pensions Ltd.

Proxy Voting:

10. Name of the proxy holder:

N/A

11. Number of voting rights proxy holder will ceaseto hold:

N/A

12. Date on which proxy holder will cease to holdvoting rights:

N/A

13. Additional information:

Registered Owner

Littledown Nominees Ltd

A/c ZLA08

7,987

The Bank of New York (Nominees) Ltd

A/c 5340899759

6,467

Littledown Nominees Ltd

A/c 39364

729,730

The Bank of New York (Nominees) Ltd

A/c 52401 81

11,498

Ameriprise Financial Inc

A/c

235,112

HSBC Global Custody Nominees (UK) Ltd

A/c 5000212310

87,555

The Bank of New York (Nominees) Ltd

A/c PTG 10972

63,893

The Bank of New York (Nominees) Ltd

A/c PTG 14556

5,497

Vidacos Nominees

A/c 6012918307

229,358

HSBC Global Custody Nominees (UK) Ltd

A/c 740191

23,311

HSBC Global Custody Nominees (UK) Ltd

A/c 739874

108,031

HSBC Global Custody Nominees (UK) Ltd

A/c 740311

11,711

The Bank of New York (Nominees) Ltd

A/c PTG 15303/09997799

27,030

HSBC Global Custody Nominees (UK) Ltd

A/c 811056

13,093

Chase Nominees Ltd

A/c 44729

26,637

Nortrust Nominees Ltd

A/c BBH05

42,231

William & Glyns (Isle of Man) Nominees Ltd

A/c 301778

14,432

William & Glyns (Isle of Man) Nominees Ltd

A/c 301781

6,620

Littledown Nominees Ltd

A/c ZLA05

71,325

Littledown Nominees Ltd

A/c ZLA07

720,000

Littledown Nominees Ltd

A/c 07198

1,343

Littledown Nominees Ltd

A/c 07197

27,600

Littledown Nominees Ltd

A/c ZLA09

4,203

Littledown Nominees Ltd

A/c 10479

1,612

State Street Bank & Trust Boston

A/c GPE1

101,783

Littledown Nominees Ltd

A/c ZLA12

26,546

Littledown Nominees Ltd

A/c ZLA14

7,036

Littledown Nominees Ltd

A/c 34789

40,700

Littledown Nominees Ltd

A/c 10491

490,479

Littledown Nominees Ltd

A/c 10488

127,943

Littledown Nominees Ltd

A/c 31348

200,469

14. Contact name:

Stacey Dryburgh, Threadneedle Group

15. Contact telephone number:

01793 363 751