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:

10 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:

1,631,357

0.42%

2,785,700

0.71%

(2)

Cash-settled derivatives:

and/or controlled:

2,516,768

0.64%

1,444,322

0.37%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

4,148,125

1.06%

4,230,022

1.08%

(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

334,943

1.2358 GBP

USD 0.10 ordinary

Purchase

117,846

1.2512 GBP

USD 0.10 ordinary

Purchase

105,975

1.2151 GBP

USD 0.10 ordinary

Purchase

49,915

1.2006 GBP

USD 0.10 ordinary

Purchase

44,715

1.2349 GBP

USD 0.10 ordinary

Purchase

17,683

1.2099 GBP

USD 0.10 ordinary

Purchase

16,711

1.2462 GBP

USD 0.10 ordinary

Purchase

16,000

1.2085 GBP

USD 0.10 ordinary

Purchase

15,365

1.2780 GBP

USD 0.10 ordinary

Purchase

4,771

1.2100 GBP

USD 0.10 ordinary

Purchase

4,115

1.2060 GBP

USD 0.10 ordinary

Purchase

3,582

1.2180 GBP

USD 0.10 ordinary

Purchase

3,225

1.1817 GBP

USD 0.10 ordinary

Purchase

2,662

1.1898 GBP

USD 0.10 ordinary

Purchase

2,064

1.1994 GBP

USD 0.10 ordinary

Purchase

1,887

1.2057 GBP

USD 0.10 ordinary

Purchase

1,816

1.2660 GBP

USD 0.10 ordinary

Purchase

1,538

1.2385 GBP

USD 0.10 ordinary

Purchase

630

1.1800 GBP

USD 0.10 ordinary

Purchase

560

1.2200 GBP

USD 0.10 ordinary

Purchase

129

1.2020 GBP

USD 0.10 ordinary

Sale

285,565

1.2319 GBP

USD 0.10 ordinary

Sale

143,758

1.2124 GBP

USD 0.10 ordinary

Sale

59,506

1.1827 GBP

USD 0.10 ordinary

Sale

48,837

1.2660 GBP

USD 0.10 ordinary

Sale

41,542

1.2353 GBP

USD 0.10 ordinary

Sale

33,874

1.2378 GBP

USD 0.10 ordinary

Sale

24,943

1.2105 GBP

USD 0.10 ordinary

Sale

24,455

1.2282 GBP

USD 0.10 ordinary

Sale

21,554

1.1987 GBP

USD 0.10 ordinary

Sale

20,462

1.1760 GBP

USD 0.10 ordinary

Sale

19,222

1.1779 GBP

USD 0.10 ordinary

Sale

15,365

1.2780 GBP

USD 0.10 ordinary

Sale

15,000

1.1917 GBP

USD 0.10 ordinary

Sale

11,230

1.1978 GBP

USD 0.10 ordinary

Sale

8,286

1.2513 GBP

USD 0.10 ordinary

Sale

8,242

1.2122 GBP

USD 0.10 ordinary

Sale

7,976

1.2221 GBP

USD 0.10 ordinary

Sale

6,794

1.2095 GBP

USD 0.10 ordinary

Sale

6,299

1.2191 GBP

USD 0.10 ordinary

Sale

4,069

1.2590 GBP

USD 0.10 ordinary

Sale

2,446

1.2438 GBP

USD 0.10 ordinary

Sale

1,899

1.1860 GBP

USD 0.10 ordinary

Sale

1,788

1.1800 GBP

USD 0.10 ordinary

Sale

650

1.1890 GBP

USD 0.10 ordinary

Sale

626

1.1920 GBP

USD 0.10 ordinary

Sale

608

1.2300 GBP

USD 0.10 ordinary

Sale

360

1.1937 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

Increasing Long

5,291

1.1759 GBP

USD 0.10 ordinary

SWAP

Increasing Long

59,506

1.1827 GBP

USD 0.10 ordinary

SWAP

Increasing Long

15,000

1.1917 GBP

USD 0.10 ordinary

SWAP

Increasing Long

360

1.1937 GBP

USD 0.10 ordinary

SWAP

Increasing Long

10,420

1.1967 GBP

USD 0.10 ordinary

SWAP

Increasing Long

21,554

1.1987 GBP

USD 0.10 ordinary

SWAP

Increasing Long

799

1.2074 GBP

USD 0.10 ordinary

SWAP

Increasing Long

5,843

1.2084 GBP

USD 0.10 ordinary

SWAP

Increasing Long

6,794

1.2095 GBP

USD 0.10 ordinary

SWAP

Increasing Long

810

1.2113 GBP

USD 0.10 ordinary

SWAP

Increasing Long

1,600

1.2284 GBP

USD 0.10 ordinary

SWAP

Decreasing Long

2,662

1.1898 GBP

USD 0.10 ordinary

SWAP

Decreasing Long

57,257

1.1967 GBP

USD 0.10 ordinary

SWAP

Decreasing Long

560

1.2200 GBP

USD 0.10 ordinary

SWAP

Decreasing Long

37,473

1.2339 GBP

USD 0.10 ordinary

SWAP

Decreasing Long

1,538

1.2385 GBP

USD 0.10 ordinary

SWAP

Decreasing Long

7,242

1.2404 GBP

USD 0.10 ordinary

SWAP

Decreasing Long

6,506

1.2426 GBP

USD 0.10 ordinary

SWAP

Decreasing Long

288

1.2780 GBP

USD 0.10 ordinary

CFD

Opening Long

13,442

1.2090 GBP

USD 0.10 ordinary

CFD

Opening Short

28,752

1.2103 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:

11 Apr 2025

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213