Holding(s) in Company

4 March 2022

NOTIFICATION OF MAJOR HOLDINGS

1a. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached ii:

System1 Group Plc.

LEI: 213800TDLR42C3Q9ZB74

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

X

An acquisition or disposal of financial instruments

An event changing the breakdown of voting rights

Other (please specify) iii:

3. Details of person subject to the notification obligation iv

Name

Investmentaktiengesellschaft für langfristige

Investoren TGV

City and country of registered office (if applicable)

Bonn, Germany

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

Name

City and country of registered office (if applicable)

5. Date on which the threshold was crossed or reached vi:

02/03/2022

6. Date on which issuer notified (DD/MM/YYYY):

03/03/2022

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 held in issuer (8.A + 8.B) vii

Resulting situation on the date on which threshold was crossed or reached

6.02

6.02

768,547

Position of previous notification (if

applicable)

5.5201

5.5201

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 ofshares

ISIN code (if possible)

Number of voting rights ix

% of voting rights

Direct

(DTR5.1)

Indirect

 (DTR5.2.1)

Direct

(DTR5.1)

Indirect

(DTR5.2.1)

GB00B1GVQH21

768,547

6.02

SUBTOTAL 8. A

768,547

6.02

B 1: Financial Instruments according to DTR5.3.1R (1) (a)

Type of financial instrument

Expirationdate 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 DTR5.3.1R (1) (b)

Type of financial instrument

Expirationdate x

Exercise/Conversion Period xi

Physical or cash

Settlement xii

Number of voting rights

% of voting rights

SUBTOTAL 8.B.2

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 thefinancial instruments are effectively held starting with the ultimate controlling natural person or legal entity (please add additional rows as necessary) xiv

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

Investmentaktiengesellschaft für langfristige

Investoren TGV

6.02

6.02

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

all figures based on the Company's issued shares with voting rights for 12,762,202

Place of completion

Bonn

Date of completion

March, 3rd 2022

System1 Group PLC

Tel: +44 (0)20 7043 1000

John Kearon, Founder and Chief Executive Officer

Chris Willford, Chief Financial Officer

Canaccord Genuity Limited

Tel: +44 (0)20 7523 8000

Simon Bridges / Andrew Potts