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:

QinetiQ Group plc

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

An acquisition or disposal of voting rights

X

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:

FIL Limited

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

BROWN BROS HARRIMN LTD LUX

BROWN BROTHERS HARRIMAN AND CO

JP MORGAN, BOURNEMOUTH

JP MORGAN, BOURNEMOUTH

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

14th January 2011

6. Date on which issuer notified:

17th January 2011

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

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

Indirect

Direct

Indirect

Direct

Indirect

GB00BOWMWDO3

32,660,029

32,660,029

34,816,074

34,816,074

5.27

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

C: Financial Instruments with similar economic effect to Qualifying Financial Instruments xv, xvi

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

Nominal

Delta

Total (A+B+C)

Number of voting rights

Percentage of voting rights

34,816.074

5.27

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

FIL Limited (FIL) is the parent holding company for various direct and indirect subsidiaries, including FIL Fund Management Limited (FFML), FIL Investment Services Ltd (FISL), FIL Gestion (FIGEST), FIL Asset Management (Korea) Limited (FIAKL) FIL Investments Management (Hong Kong) Limited (FILMHK), FIL Pension Management (FPM), Fidelity Investments Japan (FIJ) and FIL Investments International (FII) investment managers for various non-US investment companies and institutional clients.

Proxy Voting:

10. Name of the proxy holder:

FIL Limited

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

2,156,045

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

14th January 2011

13. Additional information:

None.

14. Contact name:

Jon Messent, Company Secretary,

QinetiQ Group plc

15. Contact telephone number:

+44 (0)1252 392000