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:

02 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:

1,838,790

0.47%

2,675,616

0.68%

(2)

Cash-settled derivatives:

and/or controlled:

2,433,230

0.62%

1,502,632

0.38%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

4,272,020

1.09%

4,178,248

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

123,081

1.4832 GBP

USD 0.10 ordinary

Purchase

71,549

1.5000 GBP

USD 0.10 ordinary

Purchase

34,008

1.4950 GBP

USD 0.10 ordinary

Purchase

29,629

1.4935 GBP

USD 0.10 ordinary

Purchase

9,943

1.4948 GBP

USD 0.10 ordinary

Purchase

8,143

1.4922 GBP

USD 0.10 ordinary

Purchase

7,560

1.4941 GBP

USD 0.10 ordinary

Purchase

7,226

1.4963 GBP

USD 0.10 ordinary

Purchase

6,642

1.4967 GBP

USD 0.10 ordinary

Purchase

6,516

1.4932 GBP

USD 0.10 ordinary

Purchase

3,477

1.4798 GBP

USD 0.10 ordinary

Purchase

3,332

1.4938 GBP

USD 0.10 ordinary

Purchase

3,088

1.4993 GBP

USD 0.10 ordinary

Purchase

2,609

1.4840 GBP

USD 0.10 ordinary

Purchase

2,340

1.4857 GBP

USD 0.10 ordinary

Purchase

1,928

1.4925 GBP

USD 0.10 ordinary

Purchase

1,173

1.4906 GBP

USD 0.10 ordinary

Purchase

744

1.4780 GBP

USD 0.10 ordinary

Purchase

437

1.5100 GBP

USD 0.10 ordinary

Purchase

428

1.4970 GBP

USD 0.10 ordinary

Purchase

370

1.4962 GBP

USD 0.10 ordinary

Purchase

320

1.4790 GBP

USD 0.10 ordinary

Purchase

282

1.5110 GBP

USD 0.10 ordinary

Purchase

192

1.5070 GBP

USD 0.10 ordinary

Purchase

100

1.4750 GBP

USD 0.10 ordinary

Sale

96,966

1.5000 GBP

USD 0.10 ordinary

Sale

61,320

1.4993 GBP

USD 0.10 ordinary

Sale

20,129

1.4820 GBP

USD 0.10 ordinary

Sale

18,084

1.4974 GBP

USD 0.10 ordinary

Sale

15,602

1.4970 GBP

USD 0.10 ordinary

Sale

7,940

1.4978 GBP

USD 0.10 ordinary

Sale

7,263

1.4997 GBP

USD 0.10 ordinary

Sale

6,489

1.4985 GBP

USD 0.10 ordinary

Sale

3,650

1.4981 GBP

USD 0.10 ordinary

Sale

2,615

1.4961 GBP

USD 0.10 ordinary

Sale

1,466

1.4979 GBP

USD 0.10 ordinary

Sale

1,286

1.5010 GBP

USD 0.10 ordinary

Sale

1,019

1.4885 GBP

USD 0.10 ordinary

Sale

651

1.4880 GBP

USD 0.10 ordinary

Sale

437

1.5100 GBP

USD 0.10 ordinary

Sale

320

1.4790 GBP

USD 0.10 ordinary

Sale

272

1.4890 GBP

USD 0.10 ordinary

Sale

192

1.5070 GBP

USD 0.10 ordinary

Sale

172

1.4840 GBP

USD 0.10 ordinary

Sale

141

1.5110 GBP

USD 0.10 ordinary

Sale

100

1.4750 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

714

1.4945 GBP

USD 0.10 ordinary

SWAP

Decreasing Long

9,013

1.4946 GBP

USD 0.10 ordinary

SWAP

Increasing Long

4,080

1.4896 GBP

USD 0.10 ordinary

SWAP

Increasing Long

2,615

1.4961 GBP

USD 0.10 ordinary

SWAP

Increasing Long

7,940

1.4978 GBP

USD 0.10 ordinary

SWAP

Increasing Long

1,466

1.4979 GBP

USD 0.10 ordinary

SWAP

Increasing Long

7,263

1.4997 GBP

USD 0.10 ordinary

SWAP

Increasing Long

22,462

1.5000 GBP

USD 0.10 ordinary

SWAP

Decreasing Long

15,965

1.4884 GBP

USD 0.10 ordinary

SWAP

Decreasing Long

14,699

1.4932 GBP

USD 0.10 ordinary

SWAP

Decreasing Long

19,309

1.4963 GBP

USD 0.10 ordinary

SWAP

Decreasing Long

188

1.4981 GBP

USD 0.10 ordinary

SWAP

Decreasing Long

8,743

1.4987 GBP

USD 0.10 ordinary

SWAP

Decreasing Long

33,926

1.5000 GBP

USD 0.10 ordinary

CFD

Increasing Long

1,744

1.4998 GBP

USD 0.10 ordinary

CFD

Decreasing Long

10,251

1.4923 GBP

USD 0.10 ordinary

CFD

Decreasing Long

2,399

1.4959 GBP

USD 0.10 ordinary

CFD

Decreasing Long

3,078

1.5001 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:

03 Apr 2025

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213