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:

14 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:

1,352,979

0.34%

2,833,810

0.72%

(2)

Cash-settled derivatives:

and/or controlled:

2,549,291

0.65%

1,182,081

0.30%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

3,902,270

0.99%

4,015,891

1.02%

(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

48,451

1.2100 GBP

USD 0.10 ordinary

Purchase

41,557

1.2329 GBP

USD 0.10 ordinary

Purchase

40,837

1.2401 GBP

USD 0.10 ordinary

Purchase

32,215

1.2276 GBP

USD 0.10 ordinary

Purchase

25,000

1.2340 GBP

USD 0.10 ordinary

Purchase

20,000

1.2168 GBP

USD 0.10 ordinary

Purchase

17,000

1.2314 GBP

USD 0.10 ordinary

Purchase

14,725

1.2240 GBP

USD 0.10 ordinary

Purchase

12,008

1.2407 GBP

USD 0.10 ordinary

Purchase

4,733

1.2289 GBP

USD 0.10 ordinary

Purchase

3,747

1.2192 GBP

USD 0.10 ordinary

Purchase

3,560

1.2431 GBP

USD 0.10 ordinary

Purchase

2,524

1.2245 GBP

USD 0.10 ordinary

Purchase

2,432

1.2400 GBP

USD 0.10 ordinary

Purchase

813

1.2268 GBP

USD 0.10 ordinary

Purchase

571

1.2423 GBP

USD 0.10 ordinary

Purchase

429

1.2020 GBP

USD 0.10 ordinary

Purchase

200

1.2419 GBP

USD 0.10 ordinary

Purchase

63

1.2220 GBP

USD 0.10 ordinary

Sale

180,664

1.2177 GBP

USD 0.10 ordinary

Sale

83,439

1.2321 GBP

USD 0.10 ordinary

Sale

47,431

1.2110 GBP

USD 0.10 ordinary

Sale

35,000

1.2364 GBP

USD 0.10 ordinary

Sale

25,319

1.2100 GBP

USD 0.10 ordinary

Sale

25,000

1.2340 GBP

USD 0.10 ordinary

Sale

17,566

1.2120 GBP

USD 0.10 ordinary

Sale

16,224

1.2486 GBP

USD 0.10 ordinary

Sale

12,000

1.2240 GBP

USD 0.10 ordinary

Sale

2,046

1.2297 GBP

USD 0.10 ordinary

Sale

1,592

1.2201 GBP

USD 0.10 ordinary

Sale

1,584

1.2386 GBP

USD 0.10 ordinary

Sale

1,577

1.2069 GBP

USD 0.10 ordinary

Sale

1,336

1.2020 GBP

USD 0.10 ordinary

Sale

1,234

1.2540 GBP

USD 0.10 ordinary

Sale

1,225

1.2360 GBP

USD 0.10 ordinary

Sale

833

1.2357 GBP

USD 0.10 ordinary

Sale

695

1.2080 GBP

USD 0.10 ordinary

Sale

368

1.2040 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

2,984

1.2099 GBP

USD 0.10 ordinary

SWAP

Increasing Long

7,378

1.2100 GBP

USD 0.10 ordinary

SWAP

Increasing Long

29,452

1.2108 GBP

USD 0.10 ordinary

SWAP

Increasing Long

180,664

1.2177 GBP

USD 0.10 ordinary

SWAP

Increasing Long

833

1.2357 GBP

USD 0.10 ordinary

SWAP

Increasing Long

1,225

1.2360 GBP

USD 0.10 ordinary

SWAP

Increasing Long

200

1.2499 GBP

USD 0.10 ordinary

SWAP

Increasing Long

1,234

1.2540 GBP

USD 0.10 ordinary

SWAP

Decreasing Long

4,491

1.2100 GBP

USD 0.10 ordinary

SWAP

Decreasing Long

4,690

1.2162 GBP

USD 0.10 ordinary

SWAP

Decreasing Long

3,747

1.2192 GBP

USD 0.10 ordinary

SWAP

Decreasing Long

813

1.2268 GBP

USD 0.10 ordinary

SWAP

Decreasing Long

10,035

1.2276 GBP

USD 0.10 ordinary

SWAP

Decreasing Long

4,733

1.2289 GBP

USD 0.10 ordinary

SWAP

Decreasing Long

9,513

1.2328 GBP

USD 0.10 ordinary

SWAP

Decreasing Long

5,218

1.2380 GBP

USD 0.10 ordinary

CFD

Decreasing Short

14,693

1.2216 GBP

USD 0.10 ordinary

CFD

Decreasing Short

324

1.2359 GBP

USD 0.10 ordinary

CFD

Increasing Short

7,477

1.2157 GBP

USD 0.10 ordinary

CFD

Increasing Short

19,920

1.2384 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:

15 Apr 2025

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213