Form 8.3 SERICA ENERGY PLC

FORM 8.3

PUBLIC OPENING POSITION DISCLOSURE/DEALING DISCLOSURE BY

A PERSON WITH INTERESTS IN RELEVANT SECURITIES REPRESENTING 1% OR

MORE

Rule 8.3 of the Takeover Code (the "Code")

1.

KEY INFORMATION

(a)

Full name of discloser:

Barclays PLC.

(b)

Owner or controller of interest and short

positions disclosed, if different from 1(a):

(c)

Name of offeror/offeree in relation to whose

SERICA ENERGY PLC

relevant securities this form relates:

(d)

If an exempt fund manager connected with an

offeror/offeree, state this and specify identity of

offeror/offeree:

(e)

Date position held/dealing undertaken:

01 Apr 2025

(f)

In addition to the company in 1(c) above, is the discloser making

YES:

disclosures in respect of any other party to the offer?

ENQUEST PLC

2.

POSITIONS OF THE PERSON MAKING THE DISCLOSURE

(a)

Interests and short positions in the relevant securities of the offeror or offeree

to which the disclosure relates following the dealing(if any)

Class of relevant security:

USD 0.10 ordinary

Interests

Short Positions

Number

(%)

Number

(%)

(1)

Relevant securities owned

and/or controlled:

1,817,005

0.46%

2,732,834

0.70%

(2)

Cash-settled derivatives:

and/or controlled:

2,471,097

0.63%

1,469,784

0.38%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

4,288,102

1.10%

4,202,618

1.07%

(b)

Rights to subscribe for new securities (including directors and other executive

options)

Class of relevant security in relation to

which subscription right exists

Details, including nature of the rights

concerned and relevant percentages:

3.

DEALINGS (IF ANY) BY THE EXEMPT PRINCIPAL TRADER

(a)

Purchases and sales

Class of relevant

Purchase/sale

Number of

Price per unit

security

securities

USD 0.10 ordinary

Purchase

144,939

1.4375 GBP

USD 0.10 ordinary

Purchase

122,798

1.4089 GBP

USD 0.10 ordinary

Purchase

97,569

1.4478 GBP

USD 0.10 ordinary

Purchase

79,400

1.4157 GBP

USD 0.10 ordinary

Purchase

62,504

1.3803 GBP

USD 0.10 ordinary

Purchase

56,324

1.4520 GBP

USD 0.10 ordinary

Purchase

26,000

1.4505 GBP

USD 0.10 ordinary

Purchase

18,527

1.3989 GBP

USD 0.10 ordinary

Purchase

17,392

1.4499 GBP

USD 0.10 ordinary

Purchase

12,138

1.3917 GBP

USD 0.10 ordinary

Purchase

10,200

1.4370 GBP

USD 0.10 ordinary

Purchase

9,996

1.4326 GBP

USD 0.10 ordinary

Purchase

6,053

1.3743 GBP

USD 0.10 ordinary

Purchase

3,584

1.4426 GBP

USD 0.10 ordinary

Purchase

3,342

1.4468 GBP

USD 0.10 ordinary

Purchase

2,622

1.4362 GBP

USD 0.10 ordinary

Purchase

2,254

1.4457 GBP

USD 0.10 ordinary

Purchase

1,573

1.3956 GBP

USD 0.10 ordinary

Purchase

647

1.4433 GBP

USD 0.10 ordinary

Purchase

432

1.2720 GBP

USD 0.10 ordinary

Purchase

336

1.4400 GBP

USD 0.10 ordinary

Purchase

298

1.4519 GBP

USD 0.10 ordinary

Sale

88,443

1.4330 GBP

USD 0.10 ordinary

Sale

72,527

1.3487 GBP

USD 0.10 ordinary

Sale

62,966

1.4234 GBP

USD 0.10 ordinary

Sale

59,962

1.4385 GBP

USD 0.10 ordinary

Sale

53,671

1.4520 GBP

USD 0.10 ordinary

Sale

46,217

1.4193 GBP

USD 0.10 ordinary

Sale

40,172

1.4313 GBP

USD 0.10 ordinary

Sale

30,377

1.4483 GBP

USD 0.10 ordinary

Sale

22,775

1.4442 GBP

USD 0.10 ordinary

Sale

20,790

1.4227 GBP

USD 0.10 ordinary

Sale

19,400

1.2591 GBP

USD 0.10 ordinary

Sale

18,878

1.4519 GBP

USD 0.10 ordinary

Sale

16,298

1.3018 GBP

USD 0.10 ordinary

Sale

10,775

1.4502 GBP

USD 0.10 ordinary

Sale

9,477

1.4449 GBP

USD 0.10 ordinary

Sale

9,108

1.4321 GBP

USD 0.10 ordinary

Sale

6,867

1.4195 GBP

USD 0.10 ordinary

Sale

6,640

1.3080 GBP

USD 0.10 ordinary

Sale

2,787

1.4500 GBP

USD 0.10 ordinary

Sale

2,584

1.4462 GBP

USD 0.10 ordinary

Sale

962

1.4474 GBP

USD 0.10 ordinary

Sale

611

1.3140 GBP

(b)

Cash-settled derivative transactions

Class of

Product

Nature of dealing

Number of

Price per

relevant

description

reference

unit

security

securities

USD 0.10 ordinary

SWAP

Decreasing Long

455

1.4416 GBP

USD 0.10 ordinary

SWAP

Decreasing Long

8,988

1.4417 GBP

USD 0.10 ordinary

SWAP

Increasing Long

80

1.2679 GBP

USD 0.10 ordinary

SWAP

Increasing Long

1,816

1.3032 GBP

USD 0.10 ordinary

SWAP

Increasing Long

72,527

1.3487 GBP

USD 0.10 ordinary

SWAP

Increasing Long

20,790

1.4227 GBP

USD 0.10 ordinary

SWAP

Increasing Long

16,493

1.4280 GBP

USD 0.10 ordinary

SWAP

Increasing Long

59,962

1.4385 GBP

USD 0.10 ordinary

SWAP

Increasing Long

30,377

1.4483 GBP

USD 0.10 ordinary

SWAP

Increasing Long

10,775

1.4502 GBP

USD 0.10 ordinary

SWAP

Increasing Long

21,458

1.4519 GBP

USD 0.10 ordinary

SWAP

Increasing Long

3,525

1.4520 GBP

USD 0.10 ordinary

SWAP

Decreasing Long

2

1.3140 GBP

USD 0.10 ordinary

SWAP

Decreasing Long

1,604

1.4209 GBP

USD 0.10 ordinary

SWAP

Decreasing Long

9,996

1.4326 GBP

USD 0.10 ordinary

SWAP

Decreasing Long

37,323

1.4344 GBP

USD 0.10 ordinary

SWAP

Decreasing Long

106,010

1.4389 GBP

USD 0.10 ordinary

SWAP

Decreasing Long

81,787

1.4471 GBP

USD 0.10 ordinary

SWAP

Decreasing Long

15,782

1.4515 GBP

USD 0.10 ordinary

SWAP

Decreasing Long

40,071

1.4520 GBP

USD 0.10 ordinary

CFD

Increasing Long

2,660

1.3955 GBP

USD 0.10 ordinary

CFD

Decreasing Long

11,108

1.4263 GBP

(c)

Stock-settled derivative transactions (including options)

(i)

Writing, selling, purchasing or varying

Class

Product

Writing,

Number

Exercise

Type

Expiry

Option

of

description

purchasing,

of

price

date

money

relevant

selling,

securities

per unit

paid/

security

varying etc

to which

received

option

per unit

relates

(ii)

Exercising

Class of relevant

Product description

Exercising/ exercised against

Number of

Exercise price per

security

securities

unit

(d)

Other dealings (including subscribing for new securities)

Class of relevant

Nature of Dealings

Details

Price per unit (if

security

applicable)

4.

OTHER INFORMATION

(a)

Indemnity and other dealings arrangements

Details of any indemnity or option arrangement, or any agreement or understanding,

formal or informal, relating to relevant securities which may be an inducement to deal

or refrain from dealing entered into by the exempt principal trader making the disclosure and any party

to the offer or any person acting in concert with a party to the offer:

NONE

(b)

Agreements, arrangements or understandings relating to options or derivatives

Details of any agreement, arrangement or understanding, formal or informal, between

the person making the disclosure and any other person relating to:

(i) the voting rights of any relevant securities under any option; or

(ii) the voting rights of future acquisition or disposal of any relevant securities to which

any derivative is referenced:

NONE

(c)

Attachments

Is a Supplemental Form 8 (Open Positions) attached?

NO

Date of disclosure:

02 Apr 2025

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213