G4S plc UK : Holding(s) in Company

                      G4S plc UK : Holding(s) in Company

For filings with the FCA include the annex
For filings with issuer exclude the annex
TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES^i
1. Identity of the issuer or the underlying issuer
of existing shares to which voting rights are                        G4S plc
attached:^ii
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 the                 Invesco Limited
notification obligation:^iii
4. Full name of shareholder(s)
(if different from 3.):^iv
5. Date of the transaction and date on
which the threshold is crossed or                      10th September 2013
reached:^v
6. Date on which issuer notified:                     11^th September 2013
7. Threshold(s) that is/are crossed or                         16%
reached: ^vi, vii

8. Notified details:
A: Voting rights attached to shares^viii, ix
Class/type of Situation previous              Resulting situation after the triggering
shares        to the triggering               transaction
              transaction
if possible   Number           Number         Number Number of voting   % of voting
using         of               of             of     rights             rights ^x
the ISIN CODE Shares           Voting         shares
                               Rights         Direct Direct Indirect    Direct   Indirect
                                                     ^xi    ^xii
GB00B01FLG62  248,628,297      248,628,297                  248,239,496          15.99%
B: Qualifying Financial Instruments
Resulting situation after the triggering transaction
Type of financial   Expiration       Exercise/           Number of voting     % of voting
instrument          date ^xiii       Conversion Period   rights that may be   rights
                                     ^xiv                acquired if the
                                                         instrument is
                                                         exercised/
                                                         converted.
C: Financial Instruments with similar economic effect to Qualifying Financial Instruments
^xv, xvi
Resulting situation after the triggering transaction
Type of        Exercise   Expiration     Exercise/  Number of voting       % of voting
financial      price      date ^xvii     Conversion rights instrument      rights ^xix,
instrument                               period     refers to              xx
                                         ^xviii
                                                                           Nominal Delta
Total (A+B+C)
Number of voting rights                          Percentage of voting rights
248,239,496                                  15.99%

9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable: ^xxi
Invesco Asset Management Ltd & Invesco GT Management - 4,285,481
Invesco Asset Management Japan Limited - 134,078
Invesco Asset Management Dublin - 159,401
Invesco Asset Management GmbH Deutschland - 99,312
Invesco Asset Management Limited - 58,008,116
Invesco Asset Management Ltd & Invesco Hong Kong Limited - 678,923
Invesco GT Management S.A - 56,323
Invesco Hong Kong Limited - 13,500
Invesco PowerShares Capital Management LLC - 161,181
Invesco Fund Managers Limited - 184,643,180
Proxy Voting:
10. Name of the proxy holder:
11. Number of voting rights proxy holder will cease
to hold:
12. Date on which proxy holder will cease to hold
voting rights:
13. Additional information:
14. Contact name:                           Peter David, Company Secretary
15. Contact telephone number:               + 44(0)1293 554584

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Source: G4S plc UK via Thomson Reuters ONE
HUG#1728916