1.

Details of PDMR / person closely associated with them (‘PCA’)

a)

Name

Peter Neden

2.

Reason for Notification

a)

Position/status

Regional President – UKI

b)

Initial notification/ amendment

Initial notification

3.

Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

a)

Name

G4S plc

b)

LEI

549300L3KWKK8X35QR12

4.

Details of the transaction(s): section to be repeated for (i) each type of

instrument; (ii) each type of transaction; (iii) each date; and (iv) each place

where transactions have been conducted

a)

Description of the financial instrument

Identification code

Ordinary shares of 25 pence each

GB00B01FL62

b)

Nature of the transaction

Dematerialisation of certificated holding by Peter Neden and transfer into joint ownership with Lisa Neden (his PCA) of 4746 shares in the Company. The shares are held through a nominee, Platform Securities LLP. Peter and Lisa Neden retain beneficial ownership in the shares.

c)

Price(s) and

volume(s)

d)

Aggregated Information

Aggregated volume

Price

N/A single transaction

Not applicable/single transaction

GBP - Pound Sterling

e)

Date of the transaction

24 October 2017

f)

Place of the Transaction

Outside a trading venue

1.

Details of PDMR / person closely associated with them (‘PCA’)

a)

Name

Lisa Neden

2.

Reason for Notification

a)

Position/status

PCA to Regional President – UKI

b)

Initial notification/ amendment

Initial notification

3.

Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

a)

Name

G4S plc

b)

LEI

549300L3KWKK8X35QR12

4.

Details of the transaction(s): section to be repeated for (i) each type of

instrument; (ii) each type of transaction; (iii) each date; and (iv) each place

where transactions have been conducted

a)

Description of the financial instrument

Identification code

Ordinary shares of 25 pence each

GB00B01FL62

b)

Nature of the transaction

Dematerialisation of certificated holding by Peter Neden and transfer into joint ownership with Lisa Neden (his PCA) of 4746 shares in the Company. The shares are held through a nominee, Platform Securities LLP. Peter and Lisa Neden retain beneficial ownership in the shares.

c)

Price(s) and volume(s)

d)

Aggregated Information

Aggregated volume

Price

N/A single transaction

Not applicable/single transaction

GBP - Pound Sterling

e)

Date of the transaction

24 October 2017

f)

Place of the Transaction

Outside a trading venue