Kosmos Energy Regulatory News (KOS)

Directorate Change

On 19 September 2019, Kosmos Energy Ltd ("Kosmos") filed a Form 8-K with the U.S. Securities and Exchange Commission ("SEC") concerning the retirement of Chris Tong as a director of the Company. The Form 8-K is available on the SEC's website at http://www.sec.gov and on Kosmos' website at http://investors.kosmosenergy.com/sec-filings.

About Kosmos Energy Ltd

Kosmos is a full-cycle deepwater independent oil and gas exploration and production company focused along the Atlantic Margins. Our key assets include production offshore Ghana, Equatorial Guinea and U.S. Gulf of Mexico, as well as a world-class gas development offshore Mauritania and Senegal. We also maintain a sustainable exploration program balanced between proven basin infrastructure-led exploration (Equatorial Guinea and U.S. Gulf of Mexico), emerging basins (Mauritania, Senegal and Suriname) and frontier basins (Cote d'Ivoire, Namibia and Sao Tome and Principe). Kosmos is listed on the New York Stock Exchange and London Stock Exchange and is traded under the ticker symbol KOS. As an ethical and transparent company, Kosmos is committed to doing things the right way. The Company's Business Principles articulate our commitment to transparency, ethics, human rights, safety and the environment. Read more about this commitment in the Kosmos 2018 Corporate Responsibility Report. For additional information, visit www.kosmosenergy.com.

CONTACT:

Investor Relations

Jamie Buckland, +44 (0) 203 954 2831

jbuckland@kosmosenergy.com

or

Rhys Williams +1-214-445-9693

rwilliams@kosmosenergy.com

or

Media Relations

Thomas Golembeski, +1-214-445-9674

tgolembeski@kosmosenergy.com