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Friday 9 October 2026 · Oil, gas and mining explorers, from their own disclosures

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Kosmos Energy Ltd.

NYSE:KOS · 29 story beats from 2013 to 2026

What it holds, and what it is worth

180mmbbl oil

prospective · P90 180 / P50 180 / P10 180

Valued at: Kosmos Energy Ltd. 40%Permit: AKENG DEEP
2 notes for review
  • liquids: single estimate 180 mmbbl used for P90/P50/P10
  • liquids: no SPE-PRMS class stated; risked as prospective
135mmbbl oil

prospective · P90 135 / P50 135 / P10 135

Valued at: Kosmos Energy Ltd. 33.34%Permit: TIBERIUS
2 notes for review
  • liquids: single estimate 135 mmbbl used for P90/P50/P10
  • liquids: no SPE-PRMS class stated; risked as prospective
100mmbbl oil

prospective · P90 100 / P50 100 / P10 100

Valued at: Kosmos Energy Ltd. 25%Permit: WINTERFELL
2 notes for review
  • liquids: single estimate 100 mmbbl used for P90/P50/P10
  • liquids: no SPE-PRMS class stated; risked as prospective
50%
Probability of
415
mmbbl
25.0%
Value retained
$415,000,000.00
AUD

Leverage per instrument

NYSE:KOS
7%
$2.59 → $0.17

The story so far

The events that changed the company's story, in plain English, each written against everything known about the company at the time. The dot shows whether it was good, bad or neutral for shareholders.

shares on issue market cap (log scale)

2026593m shares · US$1.66bn market cap

  1. 22 June

    The Equatorial Guinea sale to Panoro closed for a final $127 million (adjusted down from the $180 million headline price for interim cash already collected), plus the same contingent payments -- completing Kosmos's exit from the country less than nine years after entering it.

    asset acquisition disposition

    593m shUS$1.66bn
  2. 25 Feb

    Kosmos agreed to sell its entire Equatorial Guinea position -- the Ceiba and Okume production assets bought from Hess in 2017 -- to Panoro Energy for $180 million upfront plus up to $39.5 million more, exiting the country entirely.

    asset acquisition disposition

    478m shUS$756m

2025478m shares · US$794m market cap

  1. 30 Sept

    Kosmos lined up a new secured term loan (up to $250 million) from Shell's trading arm against its Gulf of Mexico assets, using $150 million of it to redeem part of its 7.125% notes due 2026 ahead of maturity at a much lower interest cost.

    debt financing

    478m shUS$794m

2024472m shares · US$1.86bn market cap

  1. 29 Nov

    Kosmos's Akeng Deep exploration well off Equatorial Guinea came up dry and will be plugged and abandoned, closing out the 2024 drilling campaign there -- though its Ceiba and Okume infill wells in the same area came online successfully, with Ceiba outperforming expectations.

    drilling progress report

    472m shUS$1.86bn
  2. 24 Sept

    Kosmos issued $500 million of 8.75% senior notes due 2031, its highest-coupon bond yet, reflecting the higher interest-rate environment.

    debt financing

    472m shUS$2.30bn
  3. 29 Apr

    Kosmos again expanded its main bank facility, to $1.35 billion from $1.25 billion and extended it to 2029, while shifting some capacity out of its smaller revolver.

    debt financing

    460m shUS$2.74bn
  4. 8 Mar

    Kosmos completed the sale of $400 million of 3.125% convertible senior notes due March 15, 2030, including the full $50 million extra amount the initial purchasers could buy. The notes are unsecured, can be converted into shares at an initial price of about $7.02 per share (142.4501 shares per $1,000), and Kosmos will pay cash up to the principal on conversion, so any new shares would only cover the amount above that. This adds a new kind of debt to the existing senior notes stack, with possible dilution to shareholders if the share price rises above the conversion price. The filing also mentions capped call transactions entered with the pricing, but the text provided is cut off before their terms, so their effect is not described here.

    capital raising announcement

    460m shUS$2.83bn

2023460m shares · US$3.35bn market cap

  1. 18 Sept

    Kosmos paid off the last $137.5 million of its pandemic-era Gulf of Mexico term loan in full using cash on hand, closing out the expensive 2020 crisis financing entirely.

    material agreement termination

    460m shUS$3.35bn

2021408m shares · US$1.21bn market cap

  1. 26 Oct

    Kosmos refinanced the pricey bridge notes from the Anadarko WCTP deal with $400 million of 7.75% senior notes due 2027, locking in cheaper long-term financing for the Ghana stake increase.

    debt financing

    408m shUS$1.21bn
  2. 13 Oct

    Kosmos bought Occidental's Anadarko WCTP subsidiary for $550.6 million, lifting its stake in Ghana's core Jubilee field from 24.1% to 42.1% and TEN from 17.0% to 28.1% -- funded with $400 million of expensive short-term bridge notes (8%+ rate, ratcheting to 12% if not refinanced within a year) plus a facility draw.

    asset acquisition disposition

    408m shUS$1.21bn
  3. 4 Mar

    Kosmos issued $450 million of 7.5% senior notes due 2028 as oil prices recovered, adding to its stack of high-yield bonds behind its secured bank debt and Gulf of Mexico term loan.

    debt financing

    405m shUS$1.25bn

2020405m shares · US$397m market cap

  1. 6 Oct

    Kosmos converted its June crude-prepayment deal with Trafigura into a formal $200 million secured term loan against its Gulf of Mexico assets (with a Beal Bank affiliate also lending), at around a 6% margin -- costly debt reflecting how tight liquidity was during the pandemic oil crash.

    debt financing

    405m shUS$397m
  2. 14 Sept

    Kosmos agreed to sell its frontier exploration acreage in Namibia, Sao Tome and Principe, Suriname and South Africa to Shell for $96 million upfront plus up to $100 million more if exploration pays off -- raising cash by exiting early-stage exploration bets during the 2020 downturn.

    asset acquisition disposition

    405m shUS$596m
  3. 2 July

    With its stock near delisting territory, Kosmos raised up to $200 million by pre-selling future Gulf of Mexico crude to trading house Trafigura -- an unconventional financing move to shore up liquidity during the 2020 oil-price collapse.

    debt financing

    405m shUS$673m
  4. 23 Apr

    Kosmos's stock fell far enough during the COVID oil-price crash that the NYSE warned it risks delisting for trading below the $1 minimum share-price rule; Kosmos has until December 2020 to recover and is considering a reverse stock split if needed.

    listing compliance notice

    405m shUS$365m
  5. 18 Feb

    Kosmos and its Mauritania/Senegal partners signed a 10-year LNG sale contract with BP to buy about 2.45 million tonnes/year from the Greater Tortue/Ahmeyim project once it starts up -- the key commercial milestone locking in a buyer for the project's gas.

    material agreement

    405m shUS$2.07bn

2019434m shares · US$2.70bn market cap

  1. 4 Apr

    Kosmos issued $650 million of new 7.125% senior notes due 2026, its largest bond yet, now also guaranteed by the Gulf of Mexico subsidiaries picked up in the Deep Gulf Energy deal.

    debt financing

    434m shUS$2.70bn

2018434m shares · US$2.33bn market cap

  1. 28 Dec

    Kosmos re-incorporated from Bermuda to Delaware and moved its official headquarters to Dallas, Texas, while keeping its NYSE/LSE listings and "KOS" ticker unchanged -- a structural domicile change, not a merger.

    security holder rights change

    434m shUS$2.33bn
  2. 29 Nov

    Warburg Pincus sold another 17.25 million shares to the public, and Kosmos itself agreed to buy back 35 million shares directly from Warburg at the same offer price -- its largest single reduction yet of sponsor overhang.

    material agreement

    434m shUS$2.81bn
  3. 20 Sept

    The Deep Gulf Energy acquisition closed for roughly $953 million cash plus about 35 million new Kosmos shares issued to First Reserve, completing Kosmos's entry into the US Gulf of Mexico.

    asset acquisition disposition

    398m shUS$3.60bn
  4. 9 Aug

    Kosmos agreed to buy Deep Gulf Energy, a First Reserve-backed deepwater Gulf of Mexico producer, for $1.225 billion ($925 million cash plus $300 million in Kosmos stock) -- a transformational move giving Kosmos its first US Gulf of Mexico production alongside its West Africa portfolio.

    asset acquisition disposition

    398m shUS$3.02bn
  5. 8 Feb

    Kosmos refinanced its commercial debt facility again, raising capacity from $1.3 billion to $1.5 billion, extending maturity to 2025, and folding in its newly acquired Equatorial Guinea production plus a future option to add the Greater Tortue gas project.

    debt financing

    389m shUS$2.69bn

2017389m shares · US$3.10bn market cap

  1. 27 Oct

    Kosmos and partner Trident Energy agreed to jointly buy Hess's 80.75% stake in Block G offshore Equatorial Guinea for $650 million (about $240 million net to Kosmos), each ending up with a 40.375% interest -- Kosmos's entry into Equatorial Guinea.

    asset acquisition disposition

    389m shUS$3.10bn
  2. 11 Jan

    Operator Tullow reported Jubilee field averaged 73,700 bopd in 2016 while ongoing FPSO turret repairs continue (insurance-covered), and confirmed the new TEN project came online but will run below plan (about 50,000 bopd in 2017) due to reservoir-pressure issues and a drilling freeze pending a Ghana/Cote d'Ivoire maritime border ruling.

    production update

    387m shUS$2.71bn

2016387m shares · US$2.05bn market cap

  1. 21 Dec

    Kosmos agreed to farm out most of its stake in the Mauritania and Senegal exploration blocks to BP, which will fund over $120 million in upfront and carry payments and take majority operating positions -- the deal that brought BP in as Kosmos's partner on what will become the Greater Tortue/Ahmeyim gas project.

    farm in farm out agreement

    387m shUS$2.05bn

2015387m shares · US$3.06bn market cap

  1. 10 Apr

    With oil prices sliding, Kosmos tapped an additional $225 million of its 7.875% notes, taking total notes outstanding to $525 million -- added debt taken on to shore up liquidity through the downturn.

    debt financing

    387m shUS$3.06bn

2014387m shares · US$3.73bn market cap

  1. 4 Aug

    Kosmos raised $300 million in new 7.875% senior secured notes due 2021, adding a bond alongside its bank facilities, secured by a pledge of its main operating subsidiary's shares.

    debt financing

    387m shUS$3.73bn
  2. 20 Mar

    Kosmos refinanced its main bank facilities, raising total borrowing capacity from $1.2 billion to $1.5 billion and extending maturity to 2021, while setting a conservative $70/barrel oil-price floor for calculating how much it can borrow against reserves.

    debt financing

    388m shUS$4.26bn

2013389m shares · US$4.01bn market cap

  1. 11 June

    Kosmos locked in a new deepwater drillship from Atwood Oceanics for an initial 3-year term at roughly $595,000/day starting mid-2014, securing the rig capacity it needs to keep exploring offshore West Africa.

    material agreement

    389m shUS$4.01bn