Kosmos Energy Regulatory News (KOS)

FORM 8.5 (EPT/NON-RI)

PUBLIC OPENING POSITION DISCLOSURE/DEALING DISCLOSURE BY AN

EXEMPT PRINCIPAL TRADER WITHOUT RECOGNISED INTERMEDIARY ("RI") STATUS

(OR WHERE RI STATUS IS NOT APPLICABLE)

Rule 8.5 of the Takeover Code (the "Code")

1.

KEY INFORMATION

(a)

Name of exempt principal trader:

BARCLAYS CAPITAL SECURITIES LTD

(b)

Name of offeror/offeree in relation to whose

KOSMOS ENERGY LTD

relevant securities this form relates:

(c)

Name of the party to the offer with which exempt

TULLOW OIL PLC

principal trader is connected

(d)

Date position held/dealing undertaken:

16 Dec 2024

(e)

In addition to the company in 1(b) above, is the exempt principal

YES:

trader making disclosures in respect of any other party to the offer?

TULLOW OIL PLC

2.

POSITIONS OF THE EXEMPT PRINCIPAL TRADER

(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:

Convertible Bond US500688AG18

Interests

Short Positions

Number

(%)

Number

(%)

(1)

Relevant securities owned

and/or controlled:

300,000

0.06%

0

0.00%

(2)

Cash-settled derivatives:

and/or controlled:

0

0.00%

0

0.00%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

300,000

0.06%

0

0.00%

Class of relevant security:

USD 0.01 ordinary

Interests

Short Positions

Number

(%)

Number

(%)

(1)

Relevant securities owned

and/or controlled:

5,811,886

1.23%

2,299,461

0.49%

(2)

Cash-settled derivatives:

and/or controlled:

6,695,620

1.42%

5,896,600

1.25%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

2,948,300

0.62%

2,948,300

0.62%

TOTAL:

15,455,806

3.28%

11,144,361

2.36%

(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

Total number of

Highest price per unit

Lowest price per unit

security

securities

paid/received

paid/received

Convertible Bond

Purchase

29,536

79.3226 USD

79.2738 USD

USD 0.01 ordinary

Purchase

1,744,337

2.9100 USD

2.7025 USD

Convertible Bond

Sale

29,536

79.3226 USD

79.2738 USD

USD 0.01 ordinary

Sale

1,716,640

2.9066 USD

2.6300 USD

(b)

Cash-settled derivative transactions

Class of

Product

Nature of dealing

Number of

Price per

relevant

description

reference

unit

security

securities

USD 0.01 ordinary

SWAP

Closing Short

30

2.7090 USD

(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 exempt principal trader 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?

YES

Date of disclosure:

17 Dec 2024

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213

DETAILS OF OPEN OPTION AND DERIVATIVE POSITIONS, AGREEMENTS TO

PURCHASE OR SELL ETC.

Note 5(i) on Rule 8 of the Takeover Code (the "Code")

1.

KEY INFORMATION

Identity of the person whose positions/dealings

BARCLAYS CAPITAL SECURITIES LTD

are being disclosed:

Name of offeror/offeree in relation to whose

KOSMOS ENERGY LTD

relevant securities this from relates:

2.

OPTIONS AND DERIVATIVES

Class of relevant security

Product description

Writing, purchasing, selling, varying etc

Number of securities to which option relates

Exercise price per unit

Type

Expiry date

USD 0.01 ordinary

Put Options

Purchased

-2,948,300

3.8900

European

USD 0.01 ordinary

Call Options

Purchased

2,948,300

3.8900

European

USD 0.01 ordinary

Call Options

Purchased

2,948,300

4.0845

European

USD 0.01 ordinary

Call Options

Written

-2,948,300

3.8900

European

USD 0.01 ordinary

Call Options

Written

-2,948,300

4.0845

European

USD 0.01 ordinary

Put Options

Written

2,948,300

3.8900

European

3.

AGREEMENTS TO PURCHASE OR SELL ETC.

Full details should be given so that the nature of the interest or position can be fully understood: