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 Mar 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:

2,443,610

0.62%

3,261,293

0.83%

(2)

Cash-settled derivatives:

and/or controlled:

2,582,336

0.66%

1,993,616

0.51%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

5,025,946

1.29%

5,254,909

1.34%

(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

407,739

1.2800 GBP

USD 0.10 ordinary

Purchase

48,350

1.2830 GBP

USD 0.10 ordinary

Purchase

43,338

1.2729 GBP

USD 0.10 ordinary

Purchase

39,157

1.2808 GBP

USD 0.10 ordinary

Purchase

18,454

1.2771 GBP

USD 0.10 ordinary

Purchase

17,248

1.2796 GBP

USD 0.10 ordinary

Purchase

13,492

1.2766 GBP

USD 0.10 ordinary

Purchase

12,289

1.2785 GBP

USD 0.10 ordinary

Purchase

11,334

1.2710 GBP

USD 0.10 ordinary

Purchase

11,059

1.2719 GBP

USD 0.10 ordinary

Purchase

6,716

1.2743 GBP

USD 0.10 ordinary

Purchase

5,528

1.2742 GBP

USD 0.10 ordinary

Purchase

4,000

1.2815 GBP

USD 0.10 ordinary

Purchase

3,795

1.2767 GBP

USD 0.10 ordinary

Purchase

2,527

1.2840 GBP

USD 0.10 ordinary

Purchase

2,421

1.2893 GBP

USD 0.10 ordinary

Purchase

2,104

1.2711 GBP

USD 0.10 ordinary

Purchase

1,096

1.3159 GBP

USD 0.10 ordinary

Purchase

771

1.2829 GBP

USD 0.10 ordinary

Purchase

753

1.2720 GBP

USD 0.10 ordinary

Purchase

733

1.2804 GBP

USD 0.10 ordinary

Purchase

562

1.2760 GBP

USD 0.10 ordinary

Sale

100,957

1.2835 GBP

USD 0.10 ordinary

Sale

48,138

1.3014 GBP

USD 0.10 ordinary

Sale

33,830

1.2830 GBP

USD 0.10 ordinary

Sale

32,525

1.2816 GBP

USD 0.10 ordinary

Sale

16,000

1.2772 GBP

USD 0.10 ordinary

Sale

10,000

1.2800 GBP

USD 0.10 ordinary

Sale

4,655

1.2741 GBP

USD 0.10 ordinary

Sale

4,200

1.2900 GBP

USD 0.10 ordinary

Sale

3,949

1.2811 GBP

USD 0.10 ordinary

Sale

3,746

1.2939 GBP

USD 0.10 ordinary

Sale

3,449

1.3159 GBP

USD 0.10 ordinary

Sale

3,057

1.2752 GBP

USD 0.10 ordinary

Sale

2,872

1.2840 GBP

USD 0.10 ordinary

Sale

2,627

1.2774 GBP

USD 0.10 ordinary

Sale

1,290

1.2797 GBP

USD 0.10 ordinary

Sale

1,114

1.2791 GBP

USD 0.10 ordinary

Sale

622

1.2700 GBP

USD 0.10 ordinary

Sale

470

1.2870 GBP

USD 0.10 ordinary

Sale

25

1.2689 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

25

1.2689 GBP

USD 0.10 ordinary

SWAP

Increasing Long

3,057

1.2752 GBP

USD 0.10 ordinary

SWAP

Increasing Long

50,986

1.2830 GBP

USD 0.10 ordinary

SWAP

Increasing Long

4,200

1.2900 GBP

USD 0.10 ordinary

SWAP

Increasing Long

153

1.3119 GBP

USD 0.10 ordinary

SWAP

Increasing Long

264

1.3149 GBP

USD 0.10 ordinary

SWAP

Increasing Long

3,449

1.3159 GBP

USD 0.10 ordinary

SWAP

Decreasing Long

2,104

1.2711 GBP

USD 0.10 ordinary

SWAP

Decreasing Long

21,400

1.2721 GBP

USD 0.10 ordinary

SWAP

Decreasing Long

21,938

1.2737 GBP

USD 0.10 ordinary

SWAP

Decreasing Long

6,716

1.2743 GBP

USD 0.10 ordinary

SWAP

Decreasing Long

17,248

1.2796 GBP

USD 0.10 ordinary

SWAP

Decreasing Long

1,591

1.2799 GBP

USD 0.10 ordinary

SWAP

Decreasing Long

5,938

1.2815 GBP

USD 0.10 ordinary

SWAP

Decreasing Long

28,080

1.2830 GBP

USD 0.10 ordinary

SWAP

Decreasing Long

105

1.2835 GBP

USD 0.10 ordinary

SWAP

Decreasing Long

4,599

1.2854 GBP

USD 0.10 ordinary

CFD

Decreasing Short

592

1.2730 GBP

USD 0.10 ordinary

CFD

Decreasing Short

18,786

1.2740 GBP

USD 0.10 ordinary

CFD

Opening Long

13,935

1.2823 GBP

USD 0.10 ordinary

CFD

Increasing Long

11,167

1.2828 GBP

USD 0.10 ordinary

CFD

Increasing Long

33,811

1.2829 GBP

USD 0.10 ordinary

CFD

Increasing Long

3,825

1.2832 GBP

USD 0.10 ordinary

CFD

Opening Short

386,462

1.2800 GBP

USD 0.10 ordinary

CFD

Increasing Short

8,341

1.2829 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 Mar 2025

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213