[General Information](index=1&type=section&id=General%20Information) This section provides foundational details of Gran Tierra Energy Inc.'s Form 10-Q, including filing specifics, cautionary statements for forward-looking information, and a glossary of industry terms [Filing Details](index=1&type=section&id=Filing%20Details) This section provides the standard filing information for Gran Tierra Energy Inc.'s Form 10-Q for the quarterly period ended June 30, 2023, including its incorporation state, address, telephone number, and securities registered - Gran Tierra Energy Inc. filed its Quarterly Report on Form 10-Q for the period ended June 30, 2023[1](index=1&type=chunk)[7](index=7&type=chunk) Title of each class and exchange on which registered | Title of each class | Trading Symbol(s) | Name of each exchange on which registered | | :------------------ | :---------------- | :---------------------------------------- | | Common Stock, par value $0.01 per share | GTE | NYSE American, Toronto Stock Exchange, London Stock Exchange | - The registrant is an accelerated filer[4](index=4&type=chunk)[5](index=5&type=chunk) [Cautionary Language Regarding Forward-Looking Statements](index=3&type=section&id=Cautionary%20Language%20Regarding%20Forward-Looking%20Statements) This section outlines the inherent risks and uncertainties associated with forward-looking statements made in the report, advising readers that actual results may differ materially due to various factors including operational difficulties, commodity price volatility, and geopolitical risks in South America - The report contains forward-looking statements subject to risks and uncertainties, meaning actual results may differ materially from expectations[9](index=9&type=chunk) - Key risks include operational issues in South America (guerilla activity, strikes, blockades), technical difficulties, global health events (COVID-19), and volatility in oil and gas demand, supply, and prices[9](index=9&type=chunk) - The company disclaims any obligation to publicly release updates or revisions to forward-looking statements, except as required by federal securities laws[9](index=9&type=chunk) [Glossary of Oil and Gas Terms](index=3&type=section&id=Glossary%20of%20Oil%20and%20Gas%20Terms) This section provides definitions for key abbreviations and terms used in the oil and gas industry within the report, such as 'bbl' for barrel and 'BOPD' for barrels of oil per day, clarifying how sales volumes and production are reported Abbreviation Meanings | Abbreviation | Meaning | | :----------- | :------ | | bbl | barrel | | BOPD | barrels of oil per day | | NAR | net after royalty | - Sales volumes represent production Net After Royalty (NAR) adjusted for inventory changes, and production is also reported NAR unless specified as 'working interest production before royalties'[11](index=11&type=chunk) [PART I - Financial Information](index=4&type=section&id=PART%20I%20-%20Financial%20Information) This part presents Gran Tierra Energy Inc.'s unaudited condensed consolidated financial statements and management's discussion and analysis of financial condition, operations, market risks, and internal controls [Item 1. Financial Statements](index=4&type=section&id=Item%201.%20Financial%20Statements) This section presents Gran Tierra Energy Inc.'s unaudited condensed consolidated financial statements, including statements of operations, balance sheets, cash flows, and shareholders' equity, along with detailed notes explaining significant accounting policies, property, debt, share capital, revenue, taxes, contingencies, financial instruments, and supplemental cash flow information for the periods ended June 30, 2023 [Condensed Consolidated Statements of Operations (Unaudited)](index=4&type=section&id=Condensed%20Consolidated%20Statements%20of%20Operations%20%28Unaudited%29) This statement details Gran Tierra Energy Inc.'s revenues, expenses, and net income or loss for the three and six months ended June 30, 2023 and 2022 Net (Loss) Income and Oil Sales (Thousands of U.S. Dollars) | Metric | Three Months Ended June 30, 2023 | Three Months Ended June 30, 2022 | Six Months Ended June 30, 2023 | Six Months Ended June 30, 2022 | | :-------------------------- | :------------------------------- | :------------------------------- | :----------------------------- | :----------------------------- | | Oil Sales | $157,902 | $205,785 | $302,092 | $380,354 | | Net (Loss) Income | $(10,825) | $52,972 | $(20,525) | $67,091 | | Basic EPS | $(0.33) | $1.44 | $(0.61) | $1.82 | | Diluted EPS | $(0.33) | $1.42 | $(0.61) | $1.80 | - The company experienced a significant shift from net income to **net loss**, with a **120% decrease in Q2 2023** and a **131% decrease in 6M 2023** compared to the prior year[13](index=13&type=chunk) [Condensed Consolidated Balance Sheets (Unaudited)](index=5&type=section&id=Condensed%20Consolidated%20Balance%20Sheets%20%28Unaudited%29) This statement presents Gran Tierra Energy Inc.'s financial position, including assets, liabilities, and shareholders' equity, as of June 30, 2023, and December 31, 2022 Key Balance Sheet Metrics (Thousands of U.S. Dollars) | Metric | As at June 30, 2023 | As at December 31, 2022 | | :-------------------------- | :------------------ | :---------------------- | | Total Assets | $1,309,365 | $1,335,610 | | Total Liabilities | $921,947 | $918,044 | | Total Shareholders' Equity | $387,418 | $417,566 | | Cash and cash equivalents | $68,529 | $126,873 | - Total assets decreased by **$26.2 million**, and total shareholders' equity decreased by **$30.1 million** from December 31, 2022, to June 30, 2023[14](index=14&type=chunk) [Condensed Consolidated Statements of Cash Flows (Unaudited)](index=6&type=section&id=Condensed%20Consolidated%20Statements%20of%20Cash%20Flows%20%28Unaudited%29) This statement summarizes Gran Tierra Energy Inc.'s cash inflows and outflows from operating, investing, and financing activities for the six months ended June 30, 2023 and 2022 Cash Flow Summary (Six Months Ended June 30, Thousands of U.S. Dollars) | Activity | 2023 | 2022 | | :-------------------------------------- | :--------- | :--------- | | Net cash provided by operating activities | $87,130 | $247,022 | | Net cash used in investing activities | $(127,539) | $(95,718) | | Net cash used in financing activities | $(22,533) | $(67,501) | | Net (decrease) increase in cash | $(57,183) | $83,123 | - Net cash provided by operating activities decreased significantly by **64.7% in 6M 2023** compared to 6M 2022[15](index=15&type=chunk) - The company experienced a **net decrease in cash, cash equivalents, and restricted cash of $57.2 million** in 6M 2023, contrasting with an increase of $83.1 million in 6M 2022[15](index=15&type=chunk) [Condensed Consolidated Statements of Shareholders' Equity (Unaudited)](index=7&type=section&id=Condensed%20Consolidated%20Statements%20of%20Shareholders%27%20Equity%20%28Unaudited%29) This statement outlines changes in Gran Tierra Energy Inc.'s shareholders' equity, including net income/loss and share repurchases, for the six months ended June 30, 2023 and 2022 Shareholders' Equity Changes (Six Months Ended June 30, Thousands of U.S. Dollars) | Metric | 2023 | 2022 | | :-------------------------- | :--------- | :--------- | | Balance, beginning of period | $10,272 | $10,270 | | Re-purchase of shares | $(35) | — | | Balance, end of period | $10,237 | $10,272 | - The company reported a **net loss of $(20,525)K** for the six months ended June 30, 2023, compared to a net income of $67,091K in the prior year[16](index=16&type=chunk) - Treasury Stock balance was reduced to zero as of June 30, 2023, after the cancellation of repurchased shares[16](index=16&type=chunk) [Notes to the Condensed Consolidated Financial Statements (Unaudited)](index=8&type=section&id=Notes%20to%20the%20Condensed%20Consolidated%20Financial%20Statements%20%28Unaudited%29) This section provides detailed explanations and disclosures supporting the condensed consolidated financial statements, covering accounting policies, property, debt, and other financial aspects [Note 1. Description of Business](index=8&type=section&id=Note%201.%20Description%20of%20Business) This note describes Gran Tierra Energy Inc.'s primary business activities as an international oil and natural gas exploration and production company - Gran Tierra Energy Inc. is a publicly traded company focused on international oil and natural gas exploration and production, with assets primarily located in Colombia and Ecuador[17](index=17&type=chunk) [Note 2. Significant Accounting Policies](index=8&type=section&id=Note%202.%20Significant%20Accounting%20Policies) This note outlines the key accounting principles and methods used in preparing Gran Tierra Energy Inc.'s interim unaudited condensed consolidated financial statements - The interim unaudited condensed consolidated financial statements are prepared in accordance with GAAP and reflect all normal recurring adjustments[18](index=18&type=chunk) - Significant accounting policies remain consistent with those described in the Company's 2022 Annual Report on Form 10-K[20](index=20&type=chunk) [Note 3. Property, Plant and Equipment](index=8&type=section&id=Note%203.%20Property%2C%20Plant%20and%20Equipment) This note details Gran Tierra Energy Inc.'s oil and natural gas properties, including proved and unproved categories, and reports on any impairment losses Oil and Natural Gas Properties (Thousands of U.S. Dollars) | Category | As at June 30, 2023 | As at December 31, 2022 | | :--------- | :------------------ | :---------------------- | | Proved | $4,765,640 | $4,617,804 | | Unproved | $66,091 | $74,471 | | Total | $4,831,731 | $4,692,275 | - The company reported no ceiling test impairment losses for the three and six months ended June 30, 2023, or 2022[21](index=21&type=chunk) [Note 4. Debt and Debt Issuance Costs](index=9&type=section&id=Note%204.%20Debt%20and%20Debt%20Issuance%20Costs) This note provides a breakdown of Gran Tierra Energy Inc.'s long-term debt, including senior notes and lease obligations, and details debt repurchase activities Long-Term Debt (Thousands of U.S. Dollars) | Debt Type | As at June 30, 2023 | As at December 31, 2022 | | :-------------------------- | :------------------ | :---------------------- | | 6.25% Senior Notes, due Feb 2025 | $271,909 | $279,909 | | 7.75% Senior Notes, due May 2027 | $300,000 | $300,000 | | Unamortized debt issuance costs | $(10,830) | $(10,992) | | Long-term lease obligation | $24,728 | $20,676 | | Total debt | $585,807 | $589,593 | - The company repurchased **$8.0 million of 6.25% Senior Notes** for $6.8 million cash in the six months ended June 30, 2023, resulting in a **$1.1 million gain**[23](index=23&type=chunk) - A credit facility with a borrowing base of up to $150 million remained undrawn as of June 30, 2023[22](index=22&type=chunk) [Note 5. Share Capital](index=10&type=section&id=Note%205.%20Share%20Capital) This note describes Gran Tierra Energy Inc.'s share capital structure, including details on a reverse stock split, share repurchases, and stock-based compensation expenses - On May 5, 2023, the company completed a **1-for-10 reverse stock split** of its common stock[25](index=25&type=chunk) Share Repurchases (Six Months Ended June 30, 2023) | Metric | Shares Repurchased | Weighted Average Price per Share | | :---------------- | :----------------- | :----------------------------- | | 6 Months Ended June 30, 2023 | 1,328,650 | $8.15 | - Stock-based compensation expense for the six months ended June 30, 2023, was **$1.8 million**, a significant decrease from $6.5 million in the prior year[29](index=29&type=chunk) [Note 6. Revenue](index=11&type=section&id=Note%206.%20Revenue) This note details Gran Tierra Energy Inc.'s revenue sources, primarily from oil sales, and discusses factors affecting realized prices and customer concentration - **100% of the company's revenue** for the three and six months ended June 30, 2023, was generated from oil sales[34](index=34&type=chunk) - Quality and transportation discounts increased to **18% and 20%** of the average ICE Brent price for the three and six months ended June 30, 2023, respectively, up from 12% in the prior year, primarily due to higher Vasconia and Castilla discounts[34](index=34&type=chunk) - During the three and six months ended June 30, 2023, **98% of the company's production** was sold to one major customer in Colombia[35](index=35&type=chunk)[36](index=36&type=chunk) [Note 7. Taxes](index=13&type=section&id=Note%207.%20Taxes) This note provides an analysis of Gran Tierra Energy Inc.'s income tax expense and effective tax rate, explaining the factors influencing tax variations Effective Tax Rate and Current Income Tax Expense (Six Months Ended June 30, Thousands of U.S. Dollars) | Metric | 2023 | 2022 | | :-------------------------- | :--------- | :--------- | | Effective Tax Rate | 145% | 54% | | Current Income Tax Expense | $37,363 | $46,252 | - The increase in the effective tax rate for 6M 2023 was primarily due to non-deductible foreign exchange adjustments, foreign taxes, non-deductible royalties in Colombia, and non-deductible stock-based compensation, partially offset by a decrease in valuation allowance[41](index=41&type=chunk) [Note 8. Contingencies](index=13&type=section&id=Note%208.%20Contingencies) This note discloses Gran Tierra Energy Inc.'s pending lawsuits, claims, and credit support for work commitment guarantees - Gran Tierra has several pending lawsuits and claims, but management believes their resolution would not have a material adverse effect on the company's financial position, results of operations, or cash flows[43](index=43&type=chunk) - As of June 30, 2023, the company provided **$109.4 million in letters of credit** and other credit support for work commitment guarantees in Colombia and Ecuador[44](index=44&type=chunk) [Note 9. Financial Instruments and Fair Value Measurement](index=13&type=section&id=Note%209.%20Financial%20Instruments%20and%20Fair%20Value%20Measurement) This note details Gran Tierra Energy Inc.'s financial instruments, including the fair value of senior notes and derivative instruments Fair Value of Senior Notes (Thousands of U.S. Dollars) | Senior Notes | Carrying Amount (June 30, 2023) | Fair Value (June 30, 2023) | | :-------------------------- | :------------------------------ | :------------------------- | | 6.25% Senior Notes | $268,900 | $233,502 | | 7.75% Senior Notes | $293,900 | $227,321 | - The company recorded a **$5.8 million loss** on its Prepaid Equity Forward (PEF) for the six months ended June 30, 2023[48](index=48&type=chunk) - No gains or losses related to derivative instruments were incurred for the three and six months ended June 30, 2023, compared to a **$26.6 million loss in 6M 2022**[50](index=50&type=chunk) [Note 10. Supplemental Cash Flow Information](index=15&type=section&id=Note%2010.%20Supplemental%20Cash%20Flow%20Information) This note provides additional details on Gran Tierra Energy Inc.'s cash and cash equivalents reconciliation and cash paid for income taxes Cash and Cash Equivalents Reconciliation (Thousands of U.S. Dollars) | Metric | As at June 30, 2023 | As at December 31, 2022 | | :-------------------------------------- | :------------------ | :---------------------- | | Cash and cash equivalents | $68,529 | $126,873 | | Restricted cash and cash equivalents - current | $1,142 | $1,142 | | Restricted cash and cash equivalents - long-term | $6,504 | $5,343 | | Total | $76,175 | $133,358 | - Cash paid for income taxes significantly increased to **$71.5 million** for the six months ended June 30, 2023, from $20.5 million in the corresponding period of 2022[52](index=52&type=chunk) [Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations](index=16&type=section&id=Item%202.%20Management%27s%20Discussion%20and%20Analysis%20of%20Financial%20Condition%20and%20Results%20of%20Operations) This section provides management's detailed analysis of Gran Tierra Energy Inc.'s financial condition and operational performance for the second quarter and six months ended June 30, 2023. It highlights key financial metrics, production volumes, revenue drivers, expense trends, capital expenditures, and liquidity, explaining the factors contributing to the company's net loss and decreased funds flow from operations [Financial and Operational Highlights](index=16&type=section&id=Financial%20and%20Operational%20Highlights) This section summarizes Gran Tierra Energy Inc.'s key financial and operational performance metrics for Q2 and 6M 2023, including net income, production, and funds flow from operations Key Financial and Operational Highlights (Q2 2023 vs Q2 2022) | Metric | Q2 2023 | Q2 2022 | % Change | | :-------------------------- | :--------- | :--------- | :------- | | Net (Loss) Income | $(10.8)M | $53.0M | (120)% | | Income Before Income Taxes | $22.9M | $91.6M | (75)% | | Funds Flow From Operations | $53.1M | $103.6M | (49)% | | Production NAR (BOPD) | 27,204 | 23,215 | 17% | | Sales Volumes (BOPD) | 27,271 | 22,847 | 19% | | Oil Sales | $157.9M | $205.8M | (23)% | | Operating Netback | $105.7M | $163.8M | (35)% | | Adjusted EBITDA | $84.5M | $140.1M | (40)% | | Capital Additions | $65.6M | $65.2M | 1% | - Net loss in Q2 2023 was **$10.8 million**, a significant decrease from $53.0 million net income in Q2 2022, primarily due to a **31% decrease in Brent price** and higher quality and transportation discounts[55](index=55&type=chunk) - NAR production increased by **17% in Q2 2023** compared to Q2 2022, reaching **27,204 BOPD**, driven by successful drilling and workover campaigns[55](index=55&type=chunk) [Additional Operational Results](index=19&type=section&id=Additional%20Operational%20Results) This section provides further details on Gran Tierra Energy Inc.'s oil production, sales volumes, and realized prices, highlighting factors influencing these operational metrics [Oil Production and Sales Volumes, BOPD](index=20&type=section&id=Oil%20Production%20and%20Sales%20Volumes%2C%20BOPD) This section presents Gran Tierra Energy Inc.'s average daily oil production and sales volumes, both before and after royalties, for the reported periods Average Daily Volumes (BOPD) | Metric | Three Months Ended June 30, 2023 | Three Months Ended June 30, 2022 | Six Months Ended June 30, 2023 | Six Months Ended June 30, 2022 | | :-------------------------- | :------------------------------- | :------------------------------- | :----------------------------- | :----------------------------- | | WI Production Before Royalties | 33,719 | 30,607 | 32,671 | 29,988 | | Production NAR | 27,204 | 23,215 | 26,370 | 23,026 | | Sales | 27,271 | 22,847 | 26,227 | 22,790 | | Royalties, % of WI Production | 19% | 24% | 19% | 23% | - Oil production NAR increased by **17% and 15%** for the three and six months ended June 30, 2023, respectively, compared to the corresponding periods of 2022, due to successful drilling and workover campaigns in Colombia[63](index=63&type=chunk) [Realized Price per bbl](index=21&type=section&id=Realized%20Price%20per%20bbl) This section analyzes Gran Tierra Energy Inc.'s realized oil prices per barrel, explaining the impact of Brent prices and quality differentials - Realized price per bbl decreased by **36% and 31%** for the three and six months ended June 30, 2023, respectively, compared to the corresponding periods of 2022[66](index=66&type=chunk) - This decrease was primarily due to a **31% and 24% decrease in Brent price** and higher Castilla and Vasconia differentials[66](index=66&type=chunk) [Oil Sales](index=22&type=section&id=Oil%20Sales) This section details Gran Tierra Energy Inc.'s total oil sales revenue for the reported periods, attributing changes to price and volume factors Oil Sales (Thousands of U.S. Dollars) | Period | Oil Sales | | :-------------------------- | :--------- | | Three Months Ended June 30, 2023 | $157,902 | | Three Months Ended June 30, 2022 | $205,785 | | Six Months Ended June 30, 2023 | $302,092 | | Six Months Ended June 30, 2022 | $380,354 | - Oil sales decreased by **23% and 21%** for the three and six months ended June 30, 2023, respectively, compared to the corresponding periods of 2022, mainly due to lower Brent prices and higher differentials[67](index=67&type=chunk) - Oil sales in Ecuador contributed **$1.8 million and $4.8 million** for the three and six months ended June 30, 2023, respectively[67](index=67&type=chunk) [Operating Netback](index=23&type=section&id=Operating%20Netback) This section analyzes Gran Tierra Energy Inc.'s operating netback, both in total and per barrel, highlighting the impact of realized prices and operating costs Operating Netback (Thousands of U.S. Dollars and Per bbl Sales Volumes NAR) | Metric | Three Months Ended June 30, 2023 | Three Months Ended June 30, 2022 | Six Months Ended June 30, 2023 | Six Months Ended June 30, 2022 | | :-------------------------- | :------------------------------- | :------------------------------- | :----------------------------- | :----------------------------- | | Operating Netback (Total) | $105,720 | $163,778 | $205,475 | $300,578 | | Operating Netback (per bbl) | $42.60 | $78.77 | $43.29 | $72.87 | - Operating netback decreased by **35% and 32%** for the three and six months ended June 30, 2023, respectively, compared to the prior year, primarily due to lower realized prices[69](index=69&type=chunk) [Operating Expenses](index=24&type=section&id=Operating%20Expenses) This section details Gran Tierra Energy Inc.'s operating expenses, including total costs and per barrel figures, explaining the drivers of changes Operating Expenses (Thousands of U.S. Dollars and Per bbl) | Metric | Three Months Ended June 30, 2023 | Three Months Ended June 30, 2022 | Six Months Ended June 30, 2023 | Six Months Ended June 30, 2022 | | :-------------------------- | :------------------------------- | :------------------------------- | :----------------------------- | :----------------------------- | | Operating Expenses (Total) | $48,491 | $39,494 | $89,860 | $74,429 | | Operating Expenses (per bbl) | $19.54 | $19.00 | $18.93 | $18.04 | - Operating expenses increased by **23% and 21%** for the three and six months ended June 30, 2023, respectively, compared to the prior year, mainly due to higher lifting costs associated with environmental activities and equipment rental in Ecuador[71](index=71&type=chunk)[72](index=72&type=chunk) [Transportation Expenses](index=25&type=section&id=Transportation%20Expenses) This section outlines Gran Tierra Energy Inc.'s transportation expenses, both in total and per barrel, and discusses factors such as tariffs and new routes Transportation Expenses (Thousands of U.S. Dollars and Per bbl) | Metric | Three Months Ended June 30, 2023 | Three Months Ended June 30, 2022 | Six Months Ended June 30, 2023 | Six Months Ended June 30, 2022 | | :-------------------------- | :------------------------------- | :------------------------------- | :----------------------------- | :----------------------------- | | Transportation Expenses (Total) | $3,691 | $2,513 | $6,757 | $5,347 | | Transportation Expenses (per bbl) | $1.49 | $1.21 | $1.42 | $1.30 | - Transportation expenses increased by **47% and 26%** for the three and six months ended June 30, 2023, respectively, due to higher tariffs affecting Acordionero sales and the utilization of new transportation routes for exploration wells and Ecuador sales[75](index=75&type=chunk) [DD&A Expenses](index=26&type=section&id=DD%26A%20Expenses) This section presents Gran Tierra Energy Inc.'s depreciation, depletion, and amortization expenses, explaining the impact of production volumes and asset costs DD&A Expenses (Thousands of U.S. Dollars and Per bbl) | Metric | Three Months Ended June 30, 2023 | Three Months Ended June 30, 2022 | Six Months Ended June 30, 2023 | Six Months Ended June 30, 2022 | | :-------------------------- | :------------------------------- | :------------------------------- | :----------------------------- | :----------------------------- | | DD&A Expenses (Total) | $56,209 | $42,216 | $107,930 | $83,179 | | DD&A Expenses (per bbl) | $22.65 | $20.31 | $22.74 | $20.17 | - DD&A expenses increased by **33% and 30%** for the three and six months ended June 30, 2023, respectively, compared to the prior year, driven by increased production and higher costs in the depletable base[78](index=78&type=chunk) [G&A Expenses](index=27&type=section&id=G%26A%20Expenses) This section details Gran Tierra Energy Inc.'s general and administrative expenses, including stock-based compensation, and identifies factors contributing to changes G&A Expenses (Thousands of U.S. Dollars and Per bbl) | Metric | Three Months Ended June 30, 2023 | Three Months Ended June 30, 2022 | Six Months Ended June 30, 2023 | Six Months Ended June 30, 2022 | | :-------------------------- | :------------------------------- | :------------------------------- | :----------------------------- | :----------------------------- | | G&A Expenses Before Stock-Based Compensation | $9,549 | $7,847 | $20,745 | $15,626 | | G&A Stock-Based Compensation Expense | $317 | $1,989 | $1,817 | $6,546 | | Total G&A Expenses | $9,866 | $9,836 | $22,562 | $22,172 | - G&A expenses before stock-based compensation increased by **22% and 33%** for the three and six months ended June 30, 2023, respectively, due to higher consulting costs and legal fees[80](index=80&type=chunk) - Total G&A expenses (including stock-based compensation) were comparable for Q2 2023 YoY and increased by **2% for 6M 2023 YoY**[80](index=80&type=chunk)[82](index=82&type=chunk) [Foreign Exchange Gains and Losses](index=28&type=section&id=Foreign%20Exchange%20Gains%20and%20Losses) This section reports Gran Tierra Energy Inc.'s foreign exchange gains and losses, primarily due to currency fluctuations against the Colombian peso Foreign Exchange Loss (Thousands of U.S. Dollars) | Period | Foreign Exchange Loss (Gain) | | :-------------------------- | :--------------------------- | | Three Months Ended June 30, 2023 | $4,707 | | Three Months Ended June 30, 2022 | $2,722 | | Six Months Ended June 30, 2023 | $6,409 | | Six Months Ended June 30, 2022 | $(1,003) | - The company recorded a **$4.7 million and $6.4 million foreign exchange loss** for the three and six months ended June 30, 2023, respectively, primarily due to the weakening of the U.S. dollar against the Colombian peso[84](index=84&type=chunk)[85](index=85&type=chunk) [Income Tax Expense](index=28&type=section&id=Income%20Tax%20Expense) This section analyzes Gran Tierra Energy Inc.'s income tax expense and effective tax rate, explaining the key factors influencing tax liabilities Income Tax Expense (Thousands of U.S. Dollars) | Metric | Three Months Ended June 30, 2023 | Three Months Ended June 30, 2022 | Six Months Ended June 30, 2023 | Six Months Ended June 30, 2022 | | :-------------------------- | :------------------------------- | :------------------------------- | :----------------------------- | :----------------------------- | | Income before income tax | $22,907 | $91,638 | $46,090 | $145,297 | | Current income tax expense | $19,757 | $25,425 | $37,363 | $46,252 | | Deferred income tax expense | $13,975 | $13,241 | $29,252 | $31,954 | | Total Income tax expense | $33,732 | $38,666 | $66,615 | $78,206 | | Effective tax rate | 147% | 42% | 145% | 54% | - The effective tax rate for the six months ended June 30, 2023, was **145%**, significantly higher than 54% in 2022, primarily due to non-deductible foreign exchange adjustments, foreign taxes, and non-deductible royalties[88](index=88&type=chunk) - Current income tax expense decreased due to a decrease in taxable income[87](index=87&type=chunk) [Net (Loss) Income and Funds Flow from Operations (a Non-GAAP Measure)](index=29&type=section&id=Net%20%28Loss%29%20Income%20and%20Funds%20Flow%20from%20Operations%20%28a%20Non-GAAP%20Measure%29) This section presents Gran Tierra Energy Inc.'s net income or loss and funds flow from operations, explaining the drivers of changes in these key financial metrics Net (Loss) Income and Funds Flow from Operations (Thousands of U.S. Dollars) | Metric | Q2 2023 | Q2 2022 | 6M 2023 | 6M 2022 | | :-------------------------- | :--------- | :--------- | :--------- | :--------- | | Net (loss) income | $(10,825) | $52,972 | $(20,525) | $67,091 | | Funds flow from operations | $53,106 | $103,625 | $113,122 | $190,935 | - Funds flow from operations decreased by **49% and 41%** for the three and six months ended June 30, 2023, respectively, compared to the prior year[99](index=99&type=chunk) - This decrease was primarily attributed to lower Brent prices, higher quality and transportation discounts, increased operating costs, and realized foreign exchange losses[99](index=99&type=chunk) [Capital Expenditures](index=30&type=section&id=Capital%20Expenditures) This section details Gran Tierra Energy Inc.'s capital expenditures by category and region, highlighting investments in exploration, development, and facilities Capital Expenditures (Three Months Ended June 30, 2023, Millions of U.S. Dollars) | Category | Colombia | Ecuador | Total | | :-------------------------- | :--------- | :-------- | :------ | | Exploration | $3.6 | $7.5 | $11.1 | | Development: Drilling and Completions | $38.9 | — | $38.9 | | Facilities | $9.5 | $0.8 | $10.3 | | Workovers | $2.8 | — | $2.8 | | Other | $2.5 | — | $2.5 | | Total | $57.3 | $8.3 | $65.6 | - Total capital expenditures for Q2 2023 were **$65.6 million**, with the majority allocated to drilling and completions in Colombia[91](index=91&type=chunk) - During Q2 2023, the company spud **7 wells in Colombia** (4 development and 3 water injection wells)[91](index=91&type=chunk) [Liquidity and Capital Resources](index=30&type=section&id=Liquidity%20and%20Capital%20Resources) This section assesses Gran Tierra Energy Inc.'s financial liquidity and capital resources, including cash, debt, and credit facilities, to meet future obligations Liquidity Metrics (Thousands of U.S. Dollars) | Metric | As at June 30, 2023 | As at December 31, 2022 | % Change | | :-------------------------- | :------------------ | :---------------------- | :------- | | Cash and Cash Equivalents | $68,529 | $126,873 | (46)% | | 6.25% Senior Notes | $271,909 | $279,909 | (3)% | | 7.75% Senior Notes | $300,000 | $300,000 | — | - The company believes its capital resources, including cash on hand, cash from operations, and available borrowings under its credit facility, will provide sufficient liquidity for the next 12 months[92](index=92&type=chunk) - A credit facility with a borrowing base of up to **$150 million**, with $100 million initially available, remained undrawn as of June 30, 2023[93](index=93&type=chunk) [Cash Flows](index=32&type=section&id=Cash%20Flows) This section provides an overview of Gran Tierra Energy Inc.'s cash flow performance, focusing on the drivers behind changes in funds flow from operations - Funds flow from operations decreased by **49% and 41%** for the three and six months ended June 30, 2023, respectively, compared to the prior year[99](index=99&type=chunk) - This decrease was primarily attributed to lower Brent prices, higher quality and transportation discounts, increased operating costs, and realized foreign exchange losses[99](index=99&type=chunk) [Critical Accounting Policies and Estimates](index=33&type=section&id=Critical%20Accounting%20Policies%20and%20Estimates) This section confirms the consistency of Gran Tierra Energy Inc.'s critical accounting policies and estimates with previous annual reports - The company's critical accounting policies and estimates have not materially changed since the filing of its 2022 Annual Report on Form 10-K[100](index=100&type=chunk) [Item 3. Quantitative and Qualitative Disclosures About Market Risk](index=33&type=section&id=Item%203.%20Quantitative%20and%20Qualitative%20Disclosures%20About%20Market%20Risk) This section details Gran Tierra Energy Inc.'s exposure to various market risks, including commodity price risk, foreign currency risk, and interest rate risk, and how these factors can impact its financial performance and cash flows [Commodity price risk](index=33&type=section&id=Commodity%20price%20risk) This section discusses Gran Tierra Energy Inc.'s primary market risk related to volatile oil prices and their impact on revenues - The company's principal market risk is related to oil prices, which are volatile and unpredictable, influenced by global supply and demand and other external market factors[101](index=101&type=chunk) - Revenues are derived from oil sales at ICE Brent prices, adjusted for quality differentials[101](index=101&type=chunk) [Foreign currency risk](index=33&type=section&id=Foreign%20currency%20risk) This section addresses Gran Tierra Energy Inc.'s exposure to foreign currency fluctuations, particularly the U.S. dollar against the Colombian peso - Foreign currency risk is present but mitigated by U.S. dollar-denominated revenues and a majority of capital expenditures[102](index=102&type=chunk) - Foreign exchange gains and losses primarily result from fluctuations of the U.S. dollar against the Colombian peso, affecting current and deferred tax liabilities denominated in local currency[103](index=103&type=chunk) [Interest Rate Risk](index=33&type=section&id=Interest%20Rate%20Risk) This section outlines Gran Tierra Energy Inc.'s exposure to interest rate fluctuations, specifically concerning its credit facility - The company is exposed to interest rate fluctuations on its credit facility, which bears floating rates of interest[104](index=104&type=chunk) - As of June 30, 2023, the outstanding balance under the credit facility was nil[104](index=104&type=chunk) [Item 4. Controls and Procedures](index=33&type=section&id=Item%204.%20Controls%20and%20Procedures) This section addresses the effectiveness of Gran Tierra Energy Inc.'s disclosure controls and procedures and reports on any changes in internal control over financial reporting during the quarter ended June 30, 2023 [Disclosure Controls and Procedures](index=33&type=section&id=Disclosure%20Controls%20and%20Procedures) This section confirms the effectiveness of Gran Tierra Energy Inc.'s disclosure controls and procedures as assessed by management - Management, including the CEO and CFO, concluded that the company's disclosure controls and procedures were effective as of June 30, 2023[105](index=105&type=chunk) [Changes in Internal Control over Financial Reporting](index=33&type=section&id=Changes%20in%20Internal%20Control%20over%20Financial%20Reporting) This section reports on any material changes in Gran Tierra Energy Inc.'s internal control over financial reporting during the quarter - There were no changes in internal control over financial reporting during the quarter ended June 30, 2023, that materially affected, or are reasonably likely to materially affect, the company's internal control over financial reporting[106](index=106&type=chunk) [PART II - Other Information](index=34&type=section&id=PART%20II%20-%20Other%20Information) This part includes additional disclosures for Gran Tierra Energy Inc., covering legal proceedings, risk factors, equity sales, other information, and a list of exhibits [Item 1. Legal Proceedings](index=34&type=section&id=Item%201.%20Legal%20Proceedings) This section refers to the detailed information on legal proceedings provided in the notes to the condensed consolidated financial statements - For information on legal proceedings, refer to Note 8 in the Notes to the Condensed Consolidated Financial Statements (Unaudited) in Part I, Item 1 of this Quarterly Report on Form 10-Q[108](index=108&type=chunk) [Item 1A. Risk Factors](index=34&type=section&id=Item%201A.%20Risk%20Factors) This section directs readers to the comprehensive discussion of risk factors affecting the company's business and operations, as detailed in its Annual Report on Form 10-K for the year ended December 31, 2022 - Readers should carefully review the risk factors outlined in Part I, Item 1A 'Risk Factors' of the company's 2022 Annual Report on Form 10-K[109](index=109&type=chunk) - The unprecedented volatility in the worldwide economy and oil and gas industry makes it challenging to predict the ultimate impact of identified risks[109](index=109&type=chunk) [Item 2. Unregistered Sales of Equity Securities and Use of Proceeds](index=34&type=section&id=Item%202.%20Unregistered%20Sales%20of%20Equity%20Securities%20and%20Use%20of%20Proceeds) This section reports on the company's share repurchase activities under its 2022 Program, including the number of shares purchased and the program's expiration Issuer Purchases of Equity Securities (Q2 2023) | Period | Total Number of Shares Purchased | Average Price Paid per Share | | :---------------- | :------------------------------- | :--------------------------- | | May 1-31, 2023 | 20,439 | $5.27 | - The 2022 share repurchase program expired in May 2023 after reaching its **10% share maximum of 3,603,396 shares**[110](index=110&type=chunk) [Item 5. Other Information](index=34&type=section&id=Item%205.%20Other%20Information) This section confirms that no Rule 10b5-1 trading arrangements were adopted or terminated by directors or Section 16 officers during the second quarter of 2023 - No director or Section 16 officer adopted or terminated any Rule 10b5-1 trading arrangements or non-Rule 10b5-1 trading arrangements during the three months ended June 30, 2023[111](index=111&type=chunk) [Item 6. Exhibits](index=35&type=section&id=Item%206.%20Exhibits) This section lists all exhibits filed as part of the Form 10-Q, including corporate governance documents, officer certifications, and XBRL data files - Exhibits include the Certificate of Incorporation, Bylaws, and certifications from the Principal Executive Officer and Principal Financial Officer (Exhibits 31.1, 31.2, 32.1)[112](index=112&type=chunk) - The filing also includes various Inline XBRL Taxonomy Extension documents (101.SCH, 101.CAL, 101.DEF, 101.LAB, 101.PRE) and the cover page formatted in Inline XBRL (104)[112](index=112&type=chunk) [SIGNATURES](index=36&type=section&id=SIGNATURES) This section contains the official certifications by Gran Tierra Energy Inc.'s executive officers, affirming the accuracy of the quarterly report [Signatures](index=36&type=section&id=Signatures) This section contains the official signatures of Gran Tierra Energy Inc.'s President and Chief Executive Officer and Executive Vice President and Chief Financial Officer, certifying the accuracy and completeness of the quarterly report - The report was signed on August 1, 2023, by Gary S. Guidry, President and Chief Executive Officer, and Ryan Ellson, Executive Vice President and Chief Financial Officer[115](index=115&type=chunk)

☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from __________ to __________ Commission file number 001-34018 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) GRAN TIERRA ENERGY INC. (Exact name of registrant as specified in its charter) Delaware 98-0479924 ( ...

Financial Data and Key Metrics Changes - Gran Tierra achieved year-over-year production growth of 16% and recorded the highest annual figures in net income, funds flow from operations, and free cash flow in the company's history [7][39] - Funds flow from operations reached $366 million, resulting in free cash flow of $129 million, both records for the company [8] - Net income for 2022 was $139 million, with earnings per share at $0.38 [39] - Adjusted EBITDA was $490 million, equating to $1.34 on a basic per share basis [39] - The company reduced its debt by $88 million, finishing the year with $127 million in cash and a net debt to adjusted EBITDA ratio of 0.9 times [40] Business Line Data and Key Metrics Changes - Gran Tierra's capital spend totaled $237 million for the year, balanced between exploration and development activities, leading to reserves and profitable production growth [15] - The operating netback was $48.43 per barrel, up 43% from $33.75 in 2021 [16] - Significant growth in year-end reserves was achieved, with 1P NPV10 before tax increasing by 26% compared to 2021 [26] Market Data and Key Metrics Changes - The company reported a strong recovery in oil prices, which contributed to the increase in net asset values per share [52] - The Vasconia and Castilla pricing discounts widened at the end of last year but began to tighten in February 2023, driven by a lack of heavy oil demand, particularly from China [33][60] Company Strategy and Development Direction - Gran Tierra is focused on being a full-cycle oil and gas exploration, development, and production company, emphasizing value creation for stakeholders [29] - The company plans to continue its appraisal of new discoveries and exploration drilling while generating free cash flow to strengthen its balance sheet and potentially return capital to shareholders through share buybacks [51] - Gran Tierra is exploring opportunities in other basins globally, including Africa and the Middle East, to diversify and mitigate risk [132] Management's Comments on Operating Environment and Future Outlook - Management expressed confidence in the company's geological understanding of the basins, supported by successful exploration discoveries in 2022 [38] - The company anticipates a steady ramp-up in production volumes throughout 2023, with expectations to exit the year around 34,000 barrels per day [104] - Management is optimistic about the potential for contract renewals and ongoing discussions with Ecopetrol regarding the Suroriente asset [57][92] Other Important Information - Gran Tierra invested over $4.6 million in local projects in Colombia and Ecuador in 2022, focusing on community needs [19] - The company has created approximately 26,000 labor opportunities in Colombia since 2015 [43] Q&A Session Summary Question: What is the outlook on operating costs for 2023? - Management believes operating costs will be similar in 2023 compared to 2022, but per unit costs will decrease due to higher production [30] Question: What is driving the wider discounts in pricing? - The discounts are primarily due to a lack of heavy oil demand, especially from China, but are expected to narrow as the year progresses [60] Question: What is the target debt level going forward? - The company aims for a net debt-to-EBITDA ratio of between 0.8 to 1.0 times, with a gross debt target of between $500 million and $550 million [85] Question: How does the company view potential restrictions on exploration? - Management is confident in their current exploration portfolio and is actively looking for opportunities in other basins, including Ecuador [131] Question: What is the company's approach to share buybacks? - Gran Tierra plans to maximize its share buyback program, especially when trading at a substantial discount to NAV, and is looking to renew the program once the current limit is reached [95][124]

February 2023 GENERATING LONG-TERM VALUE INTERNATIONALLY www.grantierra.com GENERAL ADVISORY | --- | --- ...

Oil Production and Sales - In 2022, total oil production reached 8,692,689 barrels, an increase of 10.3% from 2021's production of 7,879,794 barrels[67] - The average sales price of oil per barrel in 2022 was $81.84, up 36.1% from $60.12 in 2021[67] - Approximately 99% of production comes from Colombia, with the Acordionero field contributing 52% of total production in 2022[72] Operating Expenses and Financials - Operating expenses per barrel increased to $19.85 in 2022 from $18.70 in 2021, reflecting a rise of 6.1%[67] - The company’s revenues are primarily derived from oil sales at Brent pricing, which is subject to market volatility[282] - 100% of the company's revenues are in U.S. dollars, mitigating foreign currency risk related to oil pricing[283] - The company’s credit facility remained undrawn at $67.5 million as of December 31, 2021, indicating no current exposure to interest rate fluctuations[285] - A 10% change in interest rates would not materially affect the value of the company's investment portfolio[287] Drilling and Operations - The company drilled 34 wells in 2022, compared to 22 in 2021, indicating a significant increase in drilling activity[69] - As of December 31, 2022, the company had 287 gross oil wells, with 285 located in Colombia and 2 in Ecuador[70] - The developed acreage totaled 330,029 gross acres in Colombia, while undeveloped acreage was 1,267,601 gross acres[71] Contracts and Regulations - The company has sales agreements with international marketers, with contracts for Putumayo and MMV production expiring on March 31, 2025[75] - The company operates under contracts with the ANH in Colombia, which provide full risk/reward benefits for the contractor[83] - The Ecuadorian operations are regulated by the Ministry of Energy and Mines, which oversees oil and gas contracts in the country[86] - The company holds three Participation Contracts for hydrocarbon exploration and exploitation, with a typical exploration period of 4 years and a possible 2-year extension due to government delays[87] - The exploitation period for these contracts lasts 20 years from the approval of the development plan for commercial hydrocarbon discoveries[87] Workforce and Environmental Management - As of December 31, 2022, the company employed 336 full-time employees, an increase from 319 in 2021, with 235 located in Colombia[91] - The company has implemented an Environmental Management System certified to ISO14001:2015, ensuring compliance with international environmental standards[90] - The company has a Corporate Health, Safety, and Environmental Management Policy to protect employees and contractors[92] - The company is committed to increasing gender and diversity representation in its workforce and supply chain[93]

Financial Data and Key Metrics Changes - Gran Tierra achieved $94 million in funds flow and $37 million in free funds flow for Q3 2022, with a net income of $39 million, reflecting a 10% increase from Q3 2021 [8][11] - The company generated $168 million in oil sales, up 24% year-over-year, but down 18% from the previous quarter [12] - The average Brent oil price was $97.70 per barrel, a 33% increase from a year ago, but down 13% from the prior quarter [10] - The company exited the quarter with $118 million in cash and net debt of $462 million, with a 2.9% reduction in total outstanding shares [9] Business Line Data and Key Metrics Changes - Total average production in Q3 was 30,391 BOPD, a 5% increase from Q3 2021, but flat compared to Q2 2022 [11] - The Suroriente Block in Colombia faced disruptions, impacting production by approximately 920 BOPD [11][29] - Capital expenditures for Q3 were $57 million, lower than the previous quarter's $65 million, as major development programs were completed [13] Market Data and Key Metrics Changes - The company's quality and transportation discount widened to $13.37 per barrel in Q3, up from $13 per barrel in the prior quarter [10] - Operating netback for Q3 was $44.26 per barrel, a 28% increase year-over-year, while cash netback per barrel was $33.42, down from $37.71 in the prior quarter [12] Company Strategy and Development Direction - Gran Tierra is focused on enhancing recovery in major fields and expanding waterflood projects, with plans for 2023 development and exploration capital programs [15][34] - The company is monitoring potential changes in Colombia's tax regime but remains optimistic about the long-term investment environment [15][44] Management's Comments on Operating Environment and Future Outlook - Management expressed confidence in achieving a strong finish for 2022, with current production averaging approximately 32,000 BOPD [15] - The company is optimistic about exploration results in both Colombia and Ecuador, with plans for further drilling [18][20] Other Important Information - Gran Tierra repurchased approximately $20.1 million face value of senior notes, generating interest savings of about $3 million [14] - The company plans to continue share repurchases and bond buybacks, depending on market conditions [36] Q&A Session Summary Question: Increase in lifting costs - Management attributed the increase to global inflation and noted that as production ramps up, per unit costs will decrease [26][27] Question: Production impact due to operational disruptions - Disruptions were primarily in the Suroriente Block due to blockades against the central government, impacting production by around 920 BOPD [28][29] Question: Year-end cash position guidance - Management expects to achieve a cash position of about $190 million, with contributions from working capital and tax refunds [30] Question: Future production expectations for FY '23 - Management indicated that guidance for 2023 will be released in mid-December, with a focus on expanding waterfloods and recovery [32][34] Question: Bond repurchase strategy - Management plans to continue bond repurchases and share buybacks, balancing capital allocation based on market conditions [35][36] Question: Exploration commitments in Ecuador - The company has a commitment of 14 wells in Ecuador, with plans for additional drilling based on success [49] Question: Production ramp-up from Ecuador - Management indicated that production could ramp up quickly following positive test results from ongoing drilling [54][55] Question: Impact of new tax structure - Management is reluctant to quantify potential impacts until legislation is finalized, with more clarity expected in December [60][61]

Financial Data and Key Metrics Changes - Gran Tierra generated net income of $53 million, up 275% from the prior quarter and compared to a net loss of $18 million in Q2 2021, resulting in earnings of $0.14 per share, up from $0.04 in the prior quarter [7] - Oil production averaged 30,607 barrels per day, up 4% from the prior quarter and up 33% year-on-year, marking the highest quarterly production since Q4 2019 [8] - Operating net back was $59.62 per barrel, the highest since Q3 2014, up 14% from the prior quarter and up 81% year-on-year [9] - Funds flow from operations increased by 345% to $104 million compared to a year ago, and was up 19% from the prior quarter, with a diluted per share basis of $0.28, up from $0.06 in Q2 2021 [10] Business Line Data and Key Metrics Changes - In the Acordionero field, the average drilling time for development wells decreased from 5 days to 4.5 days, with average per well drilling costs reduced to $1.2 million, 9% lower than budgeted [16] - The Costayaco development program was completed under budget, with all 5 wells completed during the first half of the year [18] Market Data and Key Metrics Changes - As of June 30, 2022, the company had a cash balance of $109 million and net debt of $491 million, with an annualized Q2 net debt-to-EBITDA ratio below one times [13] Company Strategy and Development Direction - The company plans to maintain a cash balance of $75 million to $100 million for liquidity and deploy excess cash to strengthen the balance sheet, buy back shares, and pursue accretive opportunities [14] - The company is closely monitoring regulatory developments in Ecuador and Colombia, with potential reallocation of capital based on the political environment [32] Management's Comments on Operating Environment and Future Outlook - Management is assessing the impact of proposed tax reforms in Colombia, indicating that the tax reform is still a proposal and subject to legislative processes [22][23] - Management expects to see a decrease in per barrel lifting costs as production volumes increase in the second half of the year [28] Other Important Information - Gran Tierra fully repaid its credit facility, demonstrating a commitment to reducing debt with free cash flow [12] - The company is targeting a net debt-to-EBITDA ratio of under one times, assuming a $60 per barrel Brent case [13] Q&A Session Summary Question: Impact of proposed tax reform on EBITDA - Management is still assessing the implications of the tax reform proposal and its potential impact on effective tax rates [22][23] Question: Expectations for lifting costs in the upcoming quarters - Management expects lifting costs to decrease as production volumes increase, maintaining guidance within the targeted range [28] Question: Capital allocation in Ecuador based on exploration success - Management indicated that if regulatory conditions slow down in Colombia, they would reallocate capital to Ecuador, where they have prospective blocks [32] Question: Guidance on exit production for 2022 - Management expects exit production to be in the low 30,000s barrels per day, focusing on developing water floods [56] Question: Hedging arrangements and impact from hedges - Management reported hedging losses in the first half of the year around $26 million to $27 million, and they are currently assessing hedging arrangements going forward [54] Question: Developments regarding credit facility replacement - Management is looking to replace the credit facility with a smaller one in the range of $75 million to $125 million [63]

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from __________ to __________ GRAN TIERRA ENERGY INC. (Exact name of registrant as specified in its charter) Delaware 98-0479924 (State or other jurisdiction of inc ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from __________ to __________ Commission file number 001-34018 GRAN TIERRA ENERGY INC. (Exact name of registrant as specified in its charter) Delaware 98-0479924 ( ...

QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 or ☐ UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from __________ to __________ Commission file number 001-34018 GRAN TIERRA ENERGY INC. (Exact name of registrant as specified in its charter) Delaware 98-04799 ...