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:

BAE Systems 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: iii

Silchester International Investors LLP

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

Silchester International Investors International Value Equity Taxable Trust

Silchester International Investors International Value Equity Trust

Silchester International Investors International Value Equity Group Trust

Silchester International Investors Tobacco Free International Value Equity Trust

The Calleva Trust

The Kiltearn Global Equity Fund

The Silchester Global Equity (Ireland) Fund

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

22nd June 2011

6. Date on which issuer notified:

23rd June 2011

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

3%

8. Notified details:

A: Voting rights attached to shares viii, ix

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 x

Direct

Direct xi

Indirect xii

Direct

Indirect

GB0002634946

-

-

103,102,524

103,102,524

3.01%

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financialinstrument

Expirationdate xiii

Exercise/Conversion Period xiv

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 xv, xvi

Resulting situation after the triggering transaction

Type of financialinstrument

Exercise price

Expiration date xvii

Exercise/Conversion period xviii

Number of voting rights instrument refers to

% of voting rights xix, xx

N/A

N/A

N/A

N/A

N/A

Nominal

Delta

N/A

N/A

Total (A+B+C)

Number of voting rights

Percentage of voting rights

103,102,524

3.01%

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

N/A

Proxy Voting:

10. Name of the proxy holder:

Silchester International Investors LLP

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:

Silchester International Investors LLP ("Silchester") acts as investment manager for the clients detailed in Question 4 above (our "Clients"). In acting for our Clients, Silchester are given full discretion over their investments and are empowered to vote on their behalf. However, we do not act as our Clients' custodian and therefore shares are not held in our name but in the name of each Client's custodian bank.

Notification is provided based on the total voting rights figure of 3,417,936,494.

14. Contact name:

Darrel Cotton. Compliance Officer

15. Contact telephone number:

0207 518 7118