News Release Details

Results of Annual Stockholders Meeting

The 2021 Annual Meeting of Stockholders of Kosmos Energy Ltd. (the "Company") was held on June 9, 2021. There were 408,048,315 shares of common stock entitled to vote at the meeting, and a total of 337,703,145 shares of common stock (approximately 82.76%) were represented at the meeting.

The proposals voted upon at the 2021 Annual Meeting of Stockholders and the final results of the vote on each proposal were as follows:

Proposal 1 - To elect the Class II directors to a three-year term to serve until the 2024 annual stockholders meeting.

Each nominee for director was elected by a vote of the stockholders as follows:

Proposal 2 - To ratify the appointment of Ernst & Young LLP as our independent registered public accounting firm for the fiscal year ending December 31, 2021 and to authorize the Company's Audit Committee of the Board of Directors to determine their remuneration.

The proposal was approved by a vote of the stockholders as follows:

Proposal 3 - To provide a non-binding, advisory vote to approve named executive officer compensation.

The compensation of the Company's named executive officers was approved by a nonbinding, advisory vote of the stockholders as follows:

Proposal 4 - To approve an amendment and restatement of the Kosmos Energy Ltd. Long Term Incentive Plan.

The proposal was approved by a vote of the stockholders as follows:

Josh R. Marion

Deputy General Counsel and Assistant Secretary

CONTACT:

Investor Relations

Jamie Buckland

+44 203 954 2831

jbuckland@kosmosenergy.com

Media Relations

Thomas Golembeski

+1-214-445-9674

tgolembeski@kosmosenergy.com