A plain-cash valuation · Gran Tierra Energy Inc. (TSX: GTE)
How much cash does Gran Tierra really make, and what is a share of it worth?
Gran Tierra Energy is an oil producer working the Putumayo and Middle Magdalena basins of Colombia and the Oriente basin of Ecuador, with a Canadian gas and oil business added through the late 2024 purchase of i3 Energy. It produced 45,709 boe a day of working interest volumes in 2025. In 2026 it agreed to sell the whole Colombia and Ecuador business to Maurel and Prom for US$1.33 billion of enterprise value, which would leave a smaller, Canada-focused company. This page counts only the cash that was actually left over each year, after every bill was paid and every well was drilled, then asks the only question that matters to an owner: what is one share worth, and how does that compare with the price? The rules come from the calculations economists and engineers use to decide whether a project is worth building, applied to a whole company.
figures to FY2025 · price US$9.87 (close of 28 August 2026) · all figures US dollars · Gran Tierra reports in US dollars, so every money figure on this page including the share price is US$. Its TSX close of C$13.75 on 28 August 2026 lines up with the NYSE American close of US$9.87 at the Bank of Canada rate of 1.3888 that day.What Gran Tierra really earned, and what you are assuming it will earn
Solid bars are reported history: the real cash left each year after every bill was paid and every well was drilled. Negative years are when the owners put cash in; positive years are when it came back out. Striped bars are your projection.
Table view: every year, US$ millions
| Year | Status | Real cash left | Per share |
|---|---|---|---|
| 2016 | reported | −29.1 | −$0.91 |
| 2017 | reported | −51.7 | −$1.30 |
| 2018 | reported | −46.5 | −$1.09 |
| 2019 | reported | −163.9 | −$4.35 |
| 2020 | reported | 34.1 | $0.93 |
| 2021 | reported | 142.9 | $3.88 |
| 2022 | reported | 258.5 | $7.00 |
| 2023 | reported | 38.6 | $1.15 |
| 2024 | reported | 52.4 | $1.64 |
| 2025 | reported | 100.6 | $2.84 |
| 2026 | projected | 33.6 | $0.95 |
| 2027 | projected | 33.6 | $0.95 |
| 2028 | projected | 33.6 | $0.95 |
| 2029 | projected | 33.6 | $0.95 |
| 2030 | projected | 33.6 | $0.95 |
| 2031 | projected | 33.6 | $0.95 |
| 2032 | projected | 33.6 | $0.95 |
| 2033 | projected | 33.6 | $0.95 |
| 2034 | projected | 33.6 | $0.95 |
| 2035 | projected | 33.6 | $0.95 |
| 2036 | projected | 33.6 | $0.95 |
| 2037 | projected | 33.6 | $0.95 |
| 2038 | projected | 33.6 | $0.95 |
| 2039 | projected | 33.6 | $0.95 |
| 2040 | projected | 33.6 | $0.95 |
If you bought one share today
The red bar is what you pay. Yellow years pay you back, including the return you asked for. Green years are pure profit on top. If there is no green, you paid more than the cash is worth.
At these settings you never get US$9.87 back with a 9.0% return within 15 years. Buying at US$9.87 loses you $18.89 a share in today's dollars.
What a share is worth under different assumptions
Your required return down the side, ten-year growth across the top. Your current setting is outlined; the dashed cells are within 10% of today's price. Blue means worth more than US$9.87, red means worth less.
Growth after year 10, the well life, the starting point and the switches above all carry through. Every cell is the same arithmetic as the big number at the top.
Three honest answers from the same cash
Three answers from the same accounts and the same arithmetic, at your required return, long-run growth and well life. The gap between them is the growth you choose to believe in, and nothing else.
From the reported figures to the cash in the bank, FY2025
Reported profit is an accountant's number, and the "cash flow" companies quote usually leaves the drilling out. Here the reported figures are worked down to the cash that was actually left after every bill and every well. Figures in US$ millions.
| FY2025, US$ millions | |
|---|---|
| Profit, as reported (the headline number) | −193.1 |
| Cash generated by operations, as reported | 313.3 |
| + Interest paid, put back | 74.4 |
| − Rent on leases | −11.2 |
| − Every dollar spent on wells and plants | −275.9 |
| = Real cash left for owners | 100.6 |
| Per share (35.44M diluted) | $2.84 |
| For comparison: dividends paid in 2025 | 0.0 |
| For comparison: buybacks in 2025 | 3.5 |
| For comparison: assets bought and sold, net | −3.4 |
What we take out, and why
- Depreciation, depletion and every other paper charge: accountants spread the cost of past drilling over years. We ignore that and count the cash actually spent on wells and plants in the year it went out, so nothing is counted twice.
- Interest paid: put back. Interest is the price of borrowed money, and your required return already charges for the price of money, so every company is judged the same way whether it borrows or not.
- Rent on leases: small and short leases are treated as a cost of producing, like fuel.
- Every dollar spent on wells and plants: taken out in full, including the drilling that grows production. That spending buys the future cash the dials project, so it is counted where it happens.
What 10 years of accounts say
Every line the model uses, every year, with the latest year highlighted. Dividends and buybacks are shown as money leaving for owners.
Every year, US$ millions
| US$ millions | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|---|---|---|---|
| Profit, as reported | −465.6 | −31.7 | 102.6 | 38.7 | −778.0 | 42.5 | 139.0 | −6.3 | 3.2 | −193.1 |
| Cash generated by operations, as reported | 93.0 | 189.6 | 284.5 | 177.7 | 81.1 | 244.8 | 427.7 | 228.0 | 239.3 | 313.3 |
| + Interest paid, put back | 5.6 | 9.7 | 16.0 | 37.8 | 50.2 | 50.1 | 43.4 | 43.8 | 60.7 | 74.4 |
| − Rent on leases | 0.0 | 0.0 | 0.0 | 0.0 | −0.9 | −2.2 | −2.2 | −6.5 | −13.3 | −11.2 |
| − Spent on wells and plants | −127.8 | −251.0 | −347.1 | −379.3 | −96.3 | −149.9 | −210.3 | −226.6 | −234.2 | −275.9 |
| = Real cash left for owners | −29.1 | −51.7 | −46.5 | −163.9 | 34.1 | 142.9 | 258.5 | 38.6 | 52.4 | 100.6 |
| Real cash per share, US$ | −$0.91 | −$1.30 | −$1.09 | −$4.35 | $0.93 | $3.88 | $7.00 | $1.15 | $1.64 | $2.84 |
| Assets bought and sold, net | 499.3 | 12.4 | 53.2 | 77.8 | 0.0 | −43.1 | 0.0 | 0.0 | 118.3 | −3.4 |
| Dividends paid | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Buybacks | 0.0 | −17.9 | −12.7 | −37.6 | 0.0 | 0.0 | −27.3 | −17.3 | −15.3 | −3.5 |
| Debt after cash, year end | 171.9 | 244.2 | 348.4 | 692.2 | 761.1 | 631.6 | 467.5 | 505.1 | 658.8 | 641.9 |
| Shares, millions (diluted average) | 32.1 | 39.7 | 42.7 | 37.7 | 36.7 | 36.8 | 36.9 | 33.5 | 32.0 | 35.4 |
How the maths works, and what to be careful about
The words on this page
- Real cash (true cash)
- What was left in the bank each year after every bill, every tax payment and every well drilled. Not profit, and not "cash flow" as companies usually quote it, which leaves the drilling out. The strictest number there is.
- Required return
- The yearly return you insist on for taking the risk. A dollar promised in ten years is worth less than a dollar today; this rate says how much less. 9% is a common professional figure for a large Canadian producer; the reserve engineers use 10%.
- Well life (reserve life)
- How long the wells keep producing. After the life you choose, nothing is counted. McDaniel evaluated 258 million boe of proved plus probable reserves at 31 December 2025 (142 million boe proved), with Canada holding 44 per cent of the 2P and 39 per cent of the proved barrels. Against 2025's working interest production of 45,709 boe a day (16.7 million boe a year) that is a 15.5 year 2P reserve life and 8.5 years proved. The agreed sale of Colombia and Ecuador would hand roughly 144 million barrels of that 2P to Maurel and Prom.
- What a share is worth
- Every future year's cash, shrunk back to today's dollars at your required return, added up, less the debt, less the cost of cleaning up the wells, divided by the number of shares. Pay less than this and you earn more than your required return; pay more and you earn less.
- Where the default growth comes from
- With the South American sale agreed and Canada the intended go-forward business, ten years of history is a poor guide to what comes next, so the growth dial starts at 0 per cent.
The arithmetic, step by step
- Count the real cash each past year: cash generated by operations as reported, plus interest paid put back, minus rent on leases, minus every dollar spent on wells and plants. Buying and selling assets is shown separately.
- Project it. The starting cash you choose (an average of the history, or the latest year) grows at your growth dial for ten years, then at the long-run rate for as long as the wells keep producing. Nothing is counted after the well life ends.
- Bring it back to today. Each year's cash is shrunk by your required return, counted at mid-year because cash arrives through the year rather than on 31 December.
- Turn it into a share value. Add up the shrunk cash; take off net debt of US$479M; take off the US$123M cost of cleaning up the wells if that switch is on; divide by 35.38M shares.
- Work it backwards. "The growth today's price assumes" is the ten-year growth rate at which this start is worth exactly the share price.
Where the numbers come from
- Every figure is in US dollars under US GAAP. Operating cash flow, cash interest paid, lease payments and capital spending for every year from 2016 to 2025 were hand-checked on 1 September 2026 against the audited consolidated statements of cash flows and the cash-paid-for-interest disclosures in the fiscal 2018, 2021, 2024 and 2025 10-K filings on SEC EDGAR; every figure matched the filings to the thousand of dollars.
- In 2026 Gran Tierra agreed to sell substantially all of its Colombia and Ecuador operations to Maurel and Prom for US$1.33 billion enterprise value. The history on this page describes a company about to change shape, so treat any projection of past cash flow with real doubt until the deal closes or breaks.
- The share counts are adjusted for the 1-for-10 reverse split of May 2023; earlier years' reported counts were divided by ten so every year is on today's share basis.
- This is a country-risk story as much as an oil story: Colombian security, pipeline disruptions, local blockades and tax changes have repeatedly moved results, and the large 2016, 2020 and 2025 net losses include impairments of US$616 million, US$560 million and US$136 million.
- The acquisitions column is taken from the audited investing sections: business combinations, property acquisitions and investments, net of dispositions. 2016 is the US$488.2 million PetroLatina purchase plus US$19.4 million of property acquisitions less US$8.3 million of disposals; 2017 to 2019 include property acquisitions of US$34.4, US$53.2 and US$77.8 million that aggregated data omits; 2021 is the sale of the entire PetroTal share stake for US$43.1 million; 2024 is the US$162.7 million i3 Energy purchase net of US$44.4 million of dispositions; 2025 nets US$4.5 million of property purchases against US$7.9 million of proceeds.
- Interest is the cash interest paid net, as filed; it has grown with the senior notes and averaged about US$60 million a year lately, which is why the true cash line depends heavily on adding it back.
- Lease figures are finance lease principal payments only, nil before the 2019-2020 accounting change; US GAAP keeps operating lease payments inside operating costs, so they are already deducted from cash flow.
- Net debt for 2016 to 2020 is long-term debt excluding leases less cash from the filings; 2021 to 2025 includes finance leases. The company's own year-end 2025 net debt of US$657.6 million uses the face value of its notes. The US$479 million shown as current is the company's reported net debt at 30 June 2026.
- Gran Tierra has never paid a dividend; shareholder returns have come through episodic buybacks.
- Per-year production is left off the history because a consistent ten year working interest series was not compiled; 2024 and 2025 averaged 34,710 and 45,709 boe a day.
- Analyst targets: average US$21.60 across 6 analysts (stockanalysis.com analyst consensus, US listing, in US$, 28 August 2026).
For the technically minded
The method is the one used to evaluate capital projects, from Ted Lawrence, The Business Guide to Economic Evaluations: Projects, Leases, Tariffs and Acquisitions (2017). "Real cash" is the book's project cash flow (chapter 3) with depreciation, debt servicing and debt-like leases restructured out (chapters 4, 5 and 19); short operating leases stay in as a cost of producing, a chapter 19 judgment. The value per share follows the share-purchase evaluation of chapter 20: present value of the company's cash flows at the cost of capital (chapter 10), mid-year discounting (chapter 12), plus non-required assets, less net debt and the decommissioning liability. "What you gain or lose" is the bid-curve NPV of chapter 20; "when you get your money back" is the discounted payout of chapter 13; the bars follow the project profile of chapter 6. The reverse solve on growth is a plain reverse DCF.
Discount-rate anchors: 9% is a common cost-of-equity figure for a large Canadian producer and 10% is the reserve-report convention (PV10). The long-run rate defaults to 0% here: a depleting resource should not be assumed to grow forever, so anything above zero is a judgment you make with the dial.
Sources
- Ted Lawrence, The Business Guide to Economic Evaluations: Projects, Leases, Tariffs and Acquisitions (2017). Chapters used: 3, 4, 5, 6, 10, 12, 13, 19 and 20.
- Gran Tierra 10-K for fiscal 2025 (audited cash flows 2023 to 2025, ARO, interest paid) (filed 4 March 2026, checked 1 September 2026)
- Gran Tierra 10-K for fiscal 2024 (audited cash flows 2022 to 2024) (filed 24 February 2025, checked 1 September 2026)
- Gran Tierra 10-K for fiscal 2021 (audited cash flows 2019 to 2021) (filed 23 February 2022, checked 1 September 2026)
- Gran Tierra 10-K for fiscal 2018 (audited cash flows 2016 to 2018) (filed 27 February 2019, checked 1 September 2026)
- SEC XBRL company facts for Gran Tierra Energy (cross-check of the same filed data) (30 August 2026)
- stockanalysis.com, Gran Tierra financials, balance sheet and cash flow (10 year view, US listing) (30 August 2026)
- stockanalysis.com, GTE quote and forecast (US$ price, target); TSX quote for the C$ close (28 August 2026 close)
- Gran Tierra 2025 fourth quarter and year-end results (production, reserves, net debt) (3 March 2026)
- Gran Tierra Q2 2026 results (net debt of US$479 million at 30 June 2026) (5 August 2026)
- Gran Tierra agreement to sell its Colombia and Ecuador business to Maurel and Prom (2026)
- Gran Tierra completes 1-for-10 reverse stock split (5 May 2023)
- Bank of Canada daily US dollar exchange rate (1.3888 on 28 August 2026) (28 August 2026)

