PMO.L Regulatory News (PMO)

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 attachedii:

PREMIER OIL 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

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 obligationiv

Name

The Goldman Sachs Group, Inc.

City and country of registered office (if applicable)

Corporation Trust Center, 1209 Orange Street,

Wilmington DE 19801, USA

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

Name

Goldman Sachs International

City and country of registered office (if applicable)

Plumtree Court, 25 Shoe Lane, London EC4A 4AU,UK

5. Date on which the threshold was crossed or reachedvi:

23/12/2020

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

28/12/2020

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 issuervii

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

0.54%

5.37%

5.91%

925,532,676

Position of previous notification (if

applicable)

0.94%

5.36%

6.31%

8. Notified details of the resulting situation on the date on which the threshold was crossed or reachedviii

A: Voting rights attached to shares

Class/type ofshares

ISIN code (if possible)

Number of voting rightsix

% 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)

GB00B43G0577

5,026,642

0.54%

SUBTOTAL 8. A

5,026,642

0.54%

B 1: Financial Instruments according to Art. 13(1)(a) of Directive 2004/109/EC (DTR5.3.1.1 (a))

Type of financial instrument

Expirationdatex

Exercise/Conversion Periodxi

Number of voting rights that may be acquired if the instrument is

exercised/converted.

% of voting rights

Securities Lending

Open

1,500,000

0.16%

SUBTOTAL 8. B 1

1,500,000

0.16%

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

Expirationdatex

Exercise/Conversion Period xi

Physical or cash

settlementxii

Number of voting rights

% of voting rights

Refer to the annexure

SUBTOTAL 8.B.2

48,157,660

5.20%

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) issuerxiii

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 entityxiv (please add additional rows as necessary)

X

Namexv

% 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

The Goldman Sachs Group, Inc.

Goldman Sachs (UK) L.L.C.

Goldman Sachs Group UK Limited

Goldman Sachs

International

5.36%

5.90%

The Goldman Sachs Group, Inc.

Goldman Sachs & Co. LLC

10. In case of proxy voting, please identify:

Name of the proxy holder

N/A

The number and % of voting rights held

N/A

The date until which the voting rights will be held

N/A

11. Additional informationxvi

Please note, the total amount of voting rights have been rounded to 2 decimal places therefore there is a possibility of a rounding error.

General email contact:

gs-regops-emea-position-enquiries@gs.com

Place of completion

London

Date of completion

28/12/2020

Annexure

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 datex

Exercise/Conversion periodxi

Physical or cash settlementxii

Number of voting rights

% of voting rights

CFD

16/05/2029

Cash

32,115,973

3.47%

CFD

08/01/2029

Cash

4,929,478

0.53%

CFD

21/11/2025

Cash

2,999,956

0.32%

CFD

05/12/2029

Cash

2,562,119

0.28%

CFD

24/11/2022

Cash

1,999,970

0.22%

CFD

03/07/2029

Cash

855,930

0.09%

CFD

04/07/2029

Cash

485,279

0.05%

CFD

05/07/2029

Cash

375,198

0.04%

CFD

11/06/2029

Cash

274,800

0.03%

CFD

25/06/2029

Cash

264,401

0.03%

CFD

25/06/2029

Cash

258,724

0.03%

CFD

28/06/2029

Cash

251,188

0.03%

CFD

09/07/2029

Cash

188,909

0.02%

CFD

14/06/2029

Cash

172,616

0.02%

CFD

19/06/2029

Cash

147,096

0.02%

CFD

26/06/2029

Cash

119,967

0.01%

CFD

12/06/2029

Cash

55,775

0.01%

Swap

15/03/2021

Cash

49,292

0.01%

Swap

17/06/2021

Cash

48,254

0.01%

Swap

23/03/2021

Cash

2,736

0.0003%

Total Number of voting rights and percentage of voting rights

48,157,660

5.20%