G4S plc: Notification of Major Shareholding

*TR-1: S**tandard form for notification of major holdings*

*NOTIFICATION OF MAJOR HOLDINGS* (to be sent to the relevant issuer and to the FCA in Microsoft Word format if possible)^i
*1a. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached*^ii*:* G4S plc
*1b. Please indicate if the issuer is a non-UK issuer  *(please mark with an “X” if appropriate)
Non-UK issuer  
*2. Reason for the notification *(please mark the appropriate box or boxes with an “X”)
An acquisition or disposal of voting rights  
An acquisition or disposal of financial instruments X
An event changing the breakdown of voting rights  
Other (please specify)^iii:  
*3. Details of person subject to the notification obligation*^iv
Name Sachem Head Capital Management LP

Uncas GP LLC

Sachem Head GP LLC

Scott D. Ferguson
City and country of registered office (if applicable) Dover, Delaware, USA
*4. Full name of shareholder(s)* (if different from 3.)^v
Name Sachem Head LP

Sachem Head Master LP
City and country of registered office (if applicable) Sachem Head LP – Dover, Delaware, USA

Sachem Head Master LP – George Town, Cayman Islands
*5. Date on which the threshold was crossed or reached*^vi*:* 2 December 2020
*6. Date on which issuer notified (DD/MM/YYYY):* 3 December 2020
*7. Total positions of person(s) subject to the notification obligation* % of voting rights attached to shares (total of 8. A) % of voting rights through financial instruments
(total of 8.B 1 + 8.B 2) Total of both in % (8.A + 8.B) Total number of voting rights of issuer^vii
Resulting situation on the date on which threshold was crossed or reached   Below 5% Below 5% 1,551,594,436
Position of previous notification (if
applicable)   5.3% 5.3%  *8. Notified details of the resulting situation on the date on which the threshold was crossed or reached*^viii
*A: Voting rights attached to shares*
*Class/type of
shares*
ISIN code (if possible) *Number of voting rights*^ix *% of voting rights*
*Direct*
(Art 9 of Directive 2004/109/EC) (DTR5.1) *Indirect*
(Art 10 of Directive 2004/109/EC) (DTR5.2.1) *Direct*
(Art 9 of Directive 2004/109/EC) (DTR5.1) *Indirect*
(Art 10 of Directive 2004/109/EC) (DTR5.2.1)                        
*SUBTOTAL 8. A*    

*B 1: Financial Instruments according to Art. 13(1)(a) of Directive 2004/109/EC (DTR5.3.1.1 (a))*
*Type of financial instrument* *Expiration
date*^x *Exercise/
Conversion Period*^xi *Number of voting rights that may be acquired if the instrument is *
*exercised/converted.* *% of voting rights*                           *SUBTOTAL 8. B 1*    

*B 2: Financial Instruments with similar economic effect according to Art. 13(1)(b) of Directive 2004/109/EC (DTR5.3.1.1 (b))*
*Type of financial instrument* *Expiration
date*^x *Exercise/
Conversion Period *^xi *Physical or cash *
*settlement*^xii *Number of voting rights * *% of voting rights*
CFD       Below 5% Below 5%                       * * *SUBTOTAL 8.B.2* Below 5% Below 5%

*9. Information in relation to the person subject to the notification obligation *(please mark the
applicable box with an “X”)
Person subject to the notification obligation is not controlled by any natural person or legal entity and does not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuer^xiii  
Full chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held starting with the ultimate controlling natural person or legal entity^xiv (please add additional rows as necessary) X
*Name*^xv *% of voting rights if it equals or is higher than the notifiable threshold* *% of voting rights through financial instruments if it equals or is higher than the notifiable threshold* *Total of both if it equals or is higher than the notifiable threshold*
Scott D. Ferguson      
Uncas GP LLC      
Sachem Head Capital Management LP      
Sachem Head GP LLC      
Sachem Head LP      
Sachem Head Master LP      
* *
*10. **In case of proxy voting, please identify:*
Name of the proxy holder  
The number and % of voting rights held  
The date until which the voting rights will be held  
*11. Additional information*^xvi

*Place of completion* New York, New York, USA
*Date of completion* 3 December 2020