This report, and in particular this Management's Discussion and Analysis of
Financial Condition and Results of Operations, contains forward-looking
statements within the meaning of Section 27A of the Securities Act and Section
21E of the Exchange Act. Please see the cautionary language at the very
beginning of this Annual Report on Form 10-K regarding the identification of and
risks relating to forward-looking statements, as well as Part I, Item 1A. "Risk
Factors" in this Annual Report on Form 10-K.

The following discussion of our financial condition and results of operations
should be read in conjunction with the "Financial Statements and Supplementary
Data" as set out in Part II, Item 8 of this Annual Report on Form 10-K.

Overview



We are a company focused on oil and gas exploration and production in Colombia
and Ecuador. Our Colombian properties represented 100% of our proved reserves
NAR at December 31, 2019. For the year ended December 31, 2019, 100% of our
revenue was generated in Colombia (year ended December 31, 2018- 100%; year
ended December 31, 2017 - 98%). We are headquartered in Calgary, Alberta,
Canada.

As of December 31, 2019, we had estimated proved reserves NAR of 67.6 MMBOE, of which 54% were proved developed reserves and 100% were oil. During 2019, we replaced 226% of our proved reserves.

As discussed under Items 1 and 2. "Business and Properties," in 2019, we completed certain asset acquisitions to further enhance our strategy.

Financial and Operational Highlights

Key Highlights

Operational Highlights: • Increase proved oil and gas reserves by 26% and achieved a proven reserve

replacement ratio of 226%

• Announced a new country entry into Ecuador's Oriente Basin by securing

100% WI in three highly prospective exploration blocks via successful bids


       in a bidding round, creating a contiguous acreage position extending from
       our existing assets in the Colombian Putumayo Basin


•      Our total 2019 average production NAR was 29,015 BOEPD, comparable with
       2018. Production was negatively impacted by downtime from electrical

submersible pump ("ESP") failures in Acordionero and the temporary shut-in

of several wells in Acordionero with high gas oil ratio ("GOR"). The

successful commissioning of water injection facilities in Acordionero in

July 2019 and associated increase in water injection has significantly

reduced gas production in Acordionero from a high of 18 mmcf down to the

current 8 mmcf per day, all of which is either consumed to generate power

or re-injected into the reservoir

• Our total 2019 oil and gas sales volumes NAR increased by 1% to 29,140


       BOEPD compared with 2018



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Financial Highlights: • Net income in 2019 was $38.7 million, or $0.10 per share basic and diluted


       compared to net income of $102.6 million, or $0.26 per share basic and
       diluted in 2018

• Net income before taxes in 2019 was $96.0 million compared with $151.5

million in 2018

• EBITDA(1) was $364.3 million compared with $376.7 million in 2018




• Adjusted EBITDA(1) was $325.9 million compared with $375.9 million in 2018


•      Returned $37.6 million to shareholders through the repurchase of
       20,097,471 common shares


•      Oil and gas sales for 2019 decreased 7% to $571.0 million compared with
       $613.4 million in 2018

• Funds flow from operations(1) decreased by 11% to $272.4 million ($0.72

per share basic and diluted) compared with $306.4 million ($0.78 per share

basic and diluted) in 2018, consistent with the average Brent price

decreasing 11% from 2018

• Oil and gas sales per BOE for 2019 were $53.68, 8% lower compared with 2018

• Operating expenses per BOE for 2019 were $13.36, 26% higher compared with

2018 primarily as a result of higher power generation and rental costs.

With the commissioning of the production facilities and the gas to power

project in Acordionero both total and per BOE operating costs are expected

to decrease in 2020.

• Workover expenses per BOE for 2019 increased by 18% to $3.87 compared with

2018 primarily as a result of higher frequency of ESP failures during 2019

due to power outages. With the commissioning of the gas- to-power project

which has resulted in more reliable power, we are expecting lower workover

costs in 2020.

• Quality and transportation discounts per BOE for 2019 was $10.48 compared

to $13.16 in 2018. The decrease was due to renegotiation of certain sales

contracts which had lower quality and transportation discounts compared to


       the sales contracts used for in 2018


•      Transportation expenses per BOE for 2019 decreased by 31% to $1.92
       compared with 2018, due to a higher percentage of volumes being sold at
       wellhead where transportation is netted against sales price


•      General and administrative ("G&A") expenses before stock-based

compensation per BOE for 2019 increased by 5% to $3.13 per BOE compared to

2018

• On May 20, 2019, we issued $300.0 million of 7.75% Senior Notes due 2027

("7.75% Senior Notes")

• We purchased and canceled $114,999,000 aggregate principal amount of 5.00%


       Convertible Senior Notes due 2021 ("Convertible Notes")


•      In November, 2019, we extended the maturity of our credit facility to
       November 10, 2022

Environmental, Social and Governance Highlights: • In 2019, we achieved our best safety record in terms of Lost Time Injuries

('LTI") and Total Recordable Injuries; our 2019 LTI ratio of 0.02 was 80%

below the industry average for Latin American exploration and production

companies, which was reported by the International Association of Oil and

Gas Producers in 2019

• In partnership with the international non-governmental organization

Conservation International, we committed to reforesting 1,000 hectares of

land and securing and maintaining 18,000 hectares of forest through the

NaturAmazonas project in the Putumayo Basin; our total NaturAmazonas

investment in the Andes-Amazon rainforest corridor through this project is


       forecasted to be $13 million


•      We planted a total of 560,112 trees and have conserved, preserved or
       reforested 1,367 hectares of land through all of our environmental efforts


•      For the last 4 years, we have voluntarily released an assessment of our

greenhouse gas ("GHG") emissions

• We are reducing GHG emissions at our facilities through gas-to-power

projects by converting excess natural gas, that would otherwise be flared,


       and using it instead for power generation; in 2019, we completed a
       gas-to-power project at the Acordionero Field, ours single biggest
       producing asset; previously, gas-to-power projects were completed at the
       Moqueta field in 2018 and the Costayaco field in 2017

• We are working to eliminate all routine flaring in our operations

• We are undertaking the NaturAmazonas project over the course of seven

years, commencing in 2017. This project alone is expected to sequester

approximately 8.7 million tons of CO2 over its lifetime




• We have created almost 16,000 local labor opportunities over the past 3 years



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(Thousands of U.S. Dollars,
unless otherwise noted)                                  Year Ended December 31,
SEC Compliant Reserves, NAR             2019       % Change       2018       % Change        2017
(MMBOE)
Estimated Proved Oil and Gas
Reserves                                    68          26            54          (8 )           59

Estimated Probable Oil and Gas
Reserves                                    58          (6 )          62          13             55

Estimated Possible Oil and Gas
Reserves                                    38         (22 )          49         (16 )           58

Average Consolidated Daily
Volumes (BOEPD)

Working Interest Production
Before Royalties(2)                     34,817          (4 )      36,209          13         32,105
Royalties                               (5,802 )       (19 )      (7,156 )        35         (5,320 )
Production NAR                          29,015           -        29,053           8         26,785
Decrease (Increase) in Inventory           125        (137 )        (336 )       250            (96 )
Sales(3)                                29,140           1        28,717           8         26,689

Net Income (Loss)                   $   38,690         (62 )   $ 102,616         424     $  (31,708 )

Operating Netback
Oil and Natural Gas Sales           $  570,983          (7 )   $ 613,431          45     $  421,734
Operating Expenses                    (142,086 )        28      (111,272 )        27        (87,855 )
Workover Expenses                      (41,118 )        19       (34,437 )        56        (22,014 )
Transportation Expenses                (20,400 )       (30 )     (28,993 )        15        (25,107 )
Operating Netback(1)                $  367,379         (16 )   $ 438,729          53     $  286,758

G&A Expenses Before Stock-Based
Compensation                        $   33,300           6     $  31,369           5     $   29,775

G&A Stock-Based Compensation        $    1,430         (82 )   $   8,114         (12 )   $    9,239

EBITDA(1)                           $  364,276          (3 )   $ 376,718         106     $  182,547

Funds Flow From Operations(1)       $  272,409         (11 )   $ 306,449          39     $  220,197

Capital Expenditures                $  379,314           9     $ 347,093          38     $  251,041

Net Cash Received on Dispositions   $        -           -     $       -    

(100 ) $ 32,968



Cash Paid for Acquisitions, Net
of Cash Acquired                    $   77,772          46     $  53,200          55     $   34,410



                                                         As at December 31,
(Thousands of U.S. Dollars)           2019       % Change       2018       % Change        2017
Cash, Cash Equivalents and
Current Restricted Cash and Cash
Equivalents                       $    8,817         (83 )   $  52,309         117     $   24,113

Revolving Credit Facility         $  118,000         100     $       -        (100 )   $  148,000

Senior Notes                      $  600,000         100     $ 300,000         100     $        -

Convertible Notes                 $        -        (100 )   $ 115,000           -     $  115,000



(1) Non-GAAP measures

Operating netback, EBITDA, funds flow from operations are non-GAAP measures
which do not have any standardized meaning prescribed under GAAP. Management
views these measures as financial performance measures. Investors are cautioned
that these measures should not be construed as alternatives to net income or
loss or other measures of financial performance as determined in accordance with
GAAP. Our method of calculating these measures may differ from

                                                                            

31

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other companies and, accordingly, may not be comparable to similar measures used
by other companies. Each non-GAAP financial measure is presented along with the
corresponding GAAP measure so as not to imply that more emphasis should be
placed on the non-GAAP measure.

Operating netback, as presented, is defined as oil and natural gas sales less
operating, workover and transportation expenses. Management believes that
operating netback is a useful supplemental measure for management and investors
to analyze financial performance and provides an indication of the results
generated by our principal business activities prior to the consideration of
other income and expenses. A reconciliation from oil and natural gas sales to
operating netback is provided in the table above.

EBITDA, as presented, is defined as net income or loss adjusted for depletion,
depreciation and accretion ("DD&A") expenses, interest expense and income tax
expense. Adjusted EBITDA, as presented is defined as EBITDA adjusted for loss on
redemption of Convertible Notes, investment gains or losses, loss on sale of
business units and asset impairment. Management uses this supplemental measure
to analyze performance and income generated by our principal business activities
prior to the consideration of how non-cash items affect that income, and
believes that this financial measure is useful supplemental information for
investors to analyze our performance and our financial results. A reconciliation
from net income to EBITDA and adjusted EBITDA is as follows:

                                                        Year Ended December 

31,


(Thousands of U.S. Dollars)                      2019             2018      

2017


Net Income (loss)                           $     38,690     $    102,616     $    (31,708 )
Adjustments to reconcile net income
(loss) to EBITDA and adjusted EBITDA
DD&A expenses                                    225,033          197,867          131,335
Interest expense                                  43,268           27,364           13,882
Income tax expense                                57,285           48,871           69,038
EBITDA (non-GAAP)                           $    364,276     $    376,718     $    182,547
Loss on redemption of Convertible Notes           11,501                -                -
Investment gain                                  (49,884 )           (786 )           (111 )
Loss on sale of business units                         -                -           44,385
Asset impairment                                       -                -            1,514
Adjusted EBITDA (non-GAAP)                  $    325,893     $    375,932     $    228,335



Funds flow from operations, as presented, is defined as net income or loss
adjusted for DD&A expenses, asset impairment, deferred tax expense, stock-based
compensation expense, amortization of debt issuance costs, non-cash lease
expense, lease payments, cash settlement of RSUs, unrealized foreign exchange
gains or losses, financial instruments gains or losses, cash settlement of
financial instruments and loss on redemption of Convertible Notes. Management
uses this financial measure to analyze performance and income or loss generated
by our principal business activities prior to the consideration of how non-cash
items affect that income or loss, and believes that this financial measure is
also useful supplemental information for investors to analyze performance and
our financial results. A reconciliation from net income or loss to funds flow
from operations is as follows:

                                                       Year Ended December 

31,


(Thousands of U.S. Dollars)                   2019             2018         

2017


Net Income (loss)                         $    38,690     $     102,616     $     (31,708 )
Adjustments to reconcile net income
(loss) to funds flow from operations
DD&A expenses                                 225,033           197,867           131,335
Asset impairment                                    -                 -             1,514
Deferred tax expense                           40,227             4,968            44,716
Stock-based compensation expense                1,430             8,299     

9,775


Amortization of debt issuance costs             3,376             3,183             2,415
 Non-cash lease expense                         1,806                 -                 -
 Lease payments                                (1,969 )               -                 -
Cash settlement of RSUs                             -              (360 )            (564 )
Unrealized foreign exchange loss                1,803            11,511     

837


Financial instruments (gain) loss             (46,215 )          12,296     

15,929

Cash settlement of financial instruments (3,273 ) (33,931 )

1,563


Loss on redemption of Convertible Notes        11,501                 -     

44,385

Funds flow from operations (non-GAAP) $ 272,409 $ 306,449 $ 220,197




(2)Includes 2017 average WI production of 679 BOEPD respectively, relating to
the Brazil operations, which were sold in June 2017.
(3) Sales volumes represent production NAR adjusted for inventory changes. In
2017, Brazil operations contributed 580 BOEPD.


                                                                            

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Consolidated Results of Operations



                                                        Year Ended December 31,
                                       2019       % Change        2018       % Change        2017
(Thousands of U.S. Dollars)
Oil and natural gas sales          $  570,983          (7 )   $  613,431          45     $  421,734
Operating expenses                    142,086          28        111,272          27         87,855
Workover expenses                      41,118          19         34,437          56         22,014
Transportation expenses                20,400         (30 )       28,993          15         25,107
 Operating netback(1)                 367,379         (16 )      438,729          53        286,758

DD&A expenses                         225,033          14        197,867          51        131,335
Asset impairment                            -           -              -        (100 )        1,514
G&A expenses before stock-based
compensation                           33,300           6         31,369           5         29,775
G&A stock-based compensation
expense                                 1,430         (82 )        8,114         (12 )        9,239
Severance expenses                      1,771         (25 )        2,361          83          1,287
Equity tax                                  -           -              -        (100 )        1,224
Foreign exchange loss                     627         (94 )        9,957         382          2,067
Financial instruments (gain)
loss                                  (46,215 )      (476 )       12,296         (23 )       15,929
Interest expense                       43,268          58         27,364          97         13,882
                                      259,214         (10 )      289,328          40        206,252

Other loss                            (12,886 )       100              -        (100 )      (44,385 )
Interest income                           696         (67 )        2,086          73          1,209

Income before income taxes             95,975         (37 )      151,487         306         37,330

Current income tax expense             17,058         (61 )       43,903          81         24,322
Deferred income tax expense            40,227         710          4,968         (89 )       44,716
Total income tax expense               57,285          17         48,871         (29 )       69,038

Net Income (loss)                  $   38,690         (62 )   $  102,616         424     $  (31,708 )

Sales Volumes (NAR)
Total sales volumes, BOEPD             29,140           1         28,717           8         26,689

Brent Price per bbl                $    64.16         (11 )   $    71.69          31     $    54.82

Consolidated Results of
Operations per BOE Sales Volumes
(NAR)
Oil and natural gas sales          $    53.68          (8 )   $    58.53          35     $    43.29
Operating expenses                      13.36          26          10.62          18           9.02
Workover expenses                        3.87          18           3.29          46           2.26
Transportation expenses                  1.92         (31 )         2.77           7           2.58
 Operating netback(1)                   34.53         (17 )        41.85          42          29.43




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DD&A expenses                                    21.16       12      18.88      40       13.48
Asset impairment                                     -        -          -    (100 )      0.16
G&A expenses before stock-based compensation      3.13        5       2.99      (2 )      3.06
G&A stock-based compensation expense              0.13      (83 )     0.77     (19 )      0.95
Severance expenses                                0.17      (26 )     0.23      77        0.13
Equity tax                                           -        -          -    (100 )      0.13
Foreign exchange loss                             0.06      (94 )     0.95     352        0.21
Financial instruments (gain) loss               (4.35)     (472 )     1.17     (29 )      1.64
Interest expense                                  4.07       56       2.61      83        1.43
                                                 24.37      (12 )    27.60      30       21.19

Other loss                                       (1.21 )    100          -    (100 )     (4.56 )
Interest income                                   0.07      (65 )     0.20      67        0.12

Income before income taxes                        9.02      (38 )    14.45     280        3.80

Current income tax expense                        1.60      (62 )     4.19      68        2.50
Deferred income tax expense                       3.78      704       0.47     (90 )      4.59
                                                  5.38       15       4.66     (34 )      7.09
Net Income (loss)                              $  3.64      (63 )   $ 9.79     398     $ (3.29 )


(1) Operating netback is a non-GAAP measure which does not have any standardized
meaning prescribed under GAAP. Refer to "Financial and Operating Highlights -
non-GAAP measures" for a definition and reconciliation of this measure.

Oil and Gas Production and Sales Volumes, BOEPD



                                                         Year Ended December 31,
Average Daily Volumes (BOEPD)                       2019          2018      

2017

Working Interest Production Before Royalties 34,817 36,209


    32,105
Royalties                                           (5,802 )      (7,156 )      (5,320 )
Production NAR(1)                                   29,015        29,053        26,785
Decrease (Increase) in Inventory                       125          (336 )         (96 )
Sales (1)                                           29,140        28,717    

26,689



Royalties, % of Working Interest Production
Before Royalties                                        17 %          20 %          17 %


(1) December 31, 2017 figures include Production NAR of 576 BOEPD and sales volumes of 580 BOEPD, respectively, related to operations in Brazil, which were sold in June 30, 2017

Oil and gas production NAR for the year ended December 31, 2019 of 29,015 BOEPD was consistent with 2018 oil and gas production of 29,053 BOEPD.

Royalties as a percentage of production for the year ended December 31, 2019, decreased compared to prior year commensurate the decrease in benchmark oil prices and the price sensitive royalty regime in Colombia.



Oil and gas production NAR for the year ended December 31, 2018, increased by 8%
to 29,053 BOEPD compared with 26,785 BOEPD in 2017. Production increased as a
result of a successful drilling and workover campaign in the Acordionero Field.
During 2018 we drilled 15 wells in the Acordionero Field.


                                                                            

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Operating Netbacks
Consolidated                                              Year Ended December 31,
(Thousands of U.S. Dollars)                          2019           2018           2017
Oil and Gas Sales                                $  570,983     $  613,431     $  421,734
Transportation Expenses                             (20,400 )      (28,993 )      (25,107 )
                                                    550,583        584,438        396,627
Operating Expenses                                 (142,086 )     (111,272 )      (87,855 )
Workover Expenses                                   (41,118 )      (34,437 )      (22,014 )
Operating Netback(1)                             $  367,379     $  438,729     $  286,758

(U.S. Dollars per BOE Sales Volumes NAR)
Brent                                            $    64.16     $    71.69     $    54.82
Quality and Transportation Discounts                 (10.48 )       (13.16 )       (11.53 )
Average Realized Price                                53.68          58.53          43.29
Transportation Expenses                               (1.92 )        (2.77 )        (2.58 )
Average Realized Price Net of Transportation
Expenses                                              51.76          55.76          40.71
Operating Expenses                                   (13.36 )       (10.62 )        (9.02 )
Workover Expenses                                     (3.87 )        (3.29 )        (2.26 )
Operating Netback(1)                             $    34.53     $    41.85     $    29.43


(1) Operating netback is a non-GAAP measure which does not have any standardized
meaning prescribed under GAAP. Refer to "Financial and Operating Highlights -
non-GAAP measures" for a definition and reconciliation of this measure. 2017
figures include $6,271 of operating netback from operations in Brazil, which
were sold in June 2017.

Oil and gas sales for the year ended December 31, 2019, decreased to $571.0 million compared to $613.4 million in 2018, primarily as a result of lower average realized oil prices.



Oil and gas sales for the year ended December 31, 2018, increased compared to
$421.7 million in 2017, primarily as a result of increased sales volumes and
higher average realized oil prices.

The following table shows the effect of changes in realized price and sales
volumes on our oil and gas sales for the three years ended December 31, 2019:
                                                          Year Ended December 31,
                                                     2019           2018           2017
Oil and natural gas sales for the comparative
period                                           $  613,431     $  421,734     $  289,269
Realized sales price (decrease) increase
effect                                              (51,485 )      159,653  

100,304


Sales volume increase effect                          9,037         32,044  

32,161


Oil and natural gas sales for the current
period                                           $  570,983     $  613,431     $  421,734



On a per BOE basis, average realized prices decreased by 8% to $53.68 for the
year ended December 31, 2019 compared to $58.53 in 2018 primarily as a result of
the decrease in benchmark oil prices. Average Brent oil prices for the year
ended December 31, 2019 decreased by 11% compared to 2018. Brent oil price
decreased by $7.53 per bbl but realized prices only decreased by $4.85 per bbl.

On a per BOE basis, average realized price increased by 35% to $58.53 for the
year ended December 31, 2018 compared to $43.29 in 2017. The increase in
realized prices was consistent with higher benchmark oil prices. Average Brent
oil price for the year ended December 31, 2018 increased by 31% compared with
2017.

We have options to sell our oil through multiple pipelines and trucking routes.
Each transportation route has varying effects on realized price and
transportation expenses. The following table shows the percentage of oil volumes
we sold in Colombia using each transportation method for each of the three years
ended December 31, 2019:

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                                                Year Ended December 31,
                                              2019        2018       2017
Volume transported through pipelines            1 %         8 %        16 %
Volume sold at wellhead                        51 %        40 %        52 %

Volume transported via truck to pipelines 48 % 52 % 32 %


                                              100 %       100 %       100 %



Volumes transported through pipelines or via truck receive a higher realized
price, but incur higher transportation expenses. Volumes sold at the wellhead
have the opposite effect of lower realized price, offset by lower transportation
expense. We focus on maximizing operating netback per barrel when choosing a
transportation method.

Transportation expenses for the year ended December 31, 2019, decreased by 30%
to $20.4 million, compared with $29.0 million in 2018. On a per BOE basis,
transportation expenses decreased 31% to $1.92, from $2.77 in 2018. The decrease
in transportation expenses per BOE was due to higher volume sold at wellhead
where the transportation is netted against sales price and shorter trucking
routes to pipelines which lowered the transportation costs.

Transportation expenses for the year ended December 31, 2018, increased 15% to
$29.0 million, compared with $25.1 million in 2017. On a per BOE basis,
transportation expenses increased 7% to $2.77, from $2.58 in 2017. The increase
in transportation expenses per BOE was primarily due to a lower volume sold at
wellhead and higher volume sold from the Acordionero field, which is subject to
transportation costs.

The following table shows the variance in our average realized price net of transportation expenses in Colombia for each of the three years ended December 31, 2019:



                                                          Year Ended December 31,
(U.S. Dollars per BOE Sales Volumes NAR)             2019           2018    

2017


Average realized price net of transportation
expenses for the comparative period              $    55.76     $    40.71     $    29.38
(Decrease) increase in benchmark prices               (7.53 )        16.87  

10.49


Decrease (increase) in quality and
transportation discounts                               2.68          (1.63 )        (0.20 )
Decrease (increase) in transportation expense          0.85          (0.19 )         1.04
Average realized price net of transportation
expenses for the year                            $    51.76     $    55.76     $    40.71



Operating expenses for the year ended December 31, 2019, increased 28% to $142.1
million compared to $111.3 million in 2018.
On a per BOE basis, operating expenses increased by $2.74 to $13.36 compared to
$10.62 in prior year, primarily as a result of higher power generation and
rental costs. During 2019, we fully commissioned the Acordionero expansion and
gas-to-power facilities. These projects will allow expanded water injection and
delivery of enhanced power reliability, which are expected to reduce operating
costs and enhance ultimate recovery of oil and gas in the Acordionero field.
With the commissioning of the permanent facilities and gas-to-power projects, we
are expecting to reduce operating costs by terminating contracts related to
rental facilities in the field and generating power through natural gas produced
in the field instead of purchased diesel.

Operating expenses for the year ended December 31, 2018, increased 27% to $111.3
million, compared to $87.9 million in 2017.
On a per BOE basis, operating expenses increased by $1.60 to $10.62 compared to
$9.02 in 2017. The increase in operating expenses per BOE in 2018 was primarily
as a result of higher power generation and equipment rental costs required to
manage the capacity limitations in the Acordionero field as a result of rapid
production growth.

Workover expenses on a per BOE basis, increased by $0.58 to $3.87 for the year
ended December 31, 2019 compared to 2018, due to a higher frequency of ESP
failures during 2019 primarily because of power outages. With the gas-to-power
facilities fully commissioned in 2019, we expect workover costs per BOE to
decrease in 2020.

Workover expenses on a per BOE basis, increased by $1.03 to $3.29 for the year
ended December 31, 2018 compared to 2017 due to replacement of ESPs during 2018
resulting from unreliable power.




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DD&A Expenses
                                                    Year Ended December 31,
                                                 2019         2018         2017

DD&A Expenses, thousands of U.S. Dollars(1) $ 225,033 $ 197,867 $ 131,335 DD&A Expenses, U.S. Dollars per BOE

               21.16        18.88        

13.48

(1) For the year-ended 2017, Corporate, Brazil and Peru contributed $1.1, $2.3 and $1.5 million, respectively, to DD&A expenses.



DD&A expenses for the year ended December 31, 2019, increased by 14% from 2018
(12% on a per BOE basis), and increased by 51% (40% on a per BOE basis) in 2018
from 2017. On a per BOE basis, DD&A increases in 2019 and 2018 compared to prior
years were due to higher costs in the depletable base partially offset by
increased proved reserves.

Asset Impairment
                                                 Year Ended December 31,
(Thousands of U.S. Dollars)                     2019           2018      2017
Impairment of oil and gas properties(1)   $   -               $   -    $ 1,514
                                          $   -               $   -    $ 1,514

(1) For the year-ended 2017, Mexico and Peru contributed $0.6 and $0.9 million, respectively, to impairment losses.



We follow the full cost method of accounting for our oil and gas properties.
Under this method, the net book value of properties on a country-by-country
basis, less related deferred income taxes, may not exceed a calculated
"ceiling". The ceiling is the estimated after tax future net revenues from
proved oil and gas properties, discounted at 10% per year. In calculating
discounted future net revenues, oil and natural gas prices are determined using
the average price during the 12-month period prior to the ending date of the
period covered by the balance sheet, calculated as an unweighted arithmetic
average of the first-day-of-the month price for each month within such period
for that oil and natural gas. That average price is then held constant, except
for changes which are fixed and determinable by existing contracts. Therefore,
ceiling test estimates are based on historical prices discounted at 10% per year
and it should not be assumed that estimates of future net revenues represent the
fair market value of our reserves.

For the years ended December 31, 2019, 2018 and 2017, no ceiling test impairment
was recorded in our Colombia cost center. In accordance with GAAP, we used an
average Brent price of $64.20 per bbl for the purposes of the December 31, 2019
ceiling test calculation (December 31, 2018 - 72.08; December 31, 2017 - 54.19).

G&A Expenses
                                                       Year Ended December 31,
(Thousands of U.S. Dollars)             2019      % change      2018      % change      2017
G&A Expenses Before Stock-Based
Compensation                         $  33,300          6    $  31,369          5    $  29,775
G&A Stock-Based Compensation             1,430        (82 )      8,114        (12 )      9,239
G&A Expenses, Including Stock-Based
Compensation                         $  34,730        (12 )  $  39,483

1 $ 39,014

U.S. Dollars Per BOE Sales Volumes
NAR
G&A Expenses Before Stock-Based
Compensation                         $    3.13          5    $    2.99         (2 )  $    3.06
G&A Stock-Based Compensation              0.13        (83 )       0.77        (19 )       0.95
G&A Expenses, Including Stock-Based
Compensation                         $    3.26        (13 )  $    3.76         (6 )  $    4.01



G&A expenses, on a per BOE basis, after stock-based compensation decreased 13%
to $3.26 in 2019 compared to prior year, mainly as a result of decrease in
stock-based compensation commensurate with the decrease in stock price during
2019, partially offset by lower recoveries and a reduction of capitalized G&A
during 2019.

G&A expenses, on a per BOE basis, after stock-based compensation decreased 6% to
$3.76 in 2018 compared to prior year, mainly as a result of production NAR
growth and a decrease in stock-based compensation during the fourth quarter of
2018.


                                                                              37

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G&A expenses, on a per BOE basis, before stock-based compensation increased 5% in 2019 compared to 2018 and decreased 2% in 2018 compared to 2017.

Severance Expenses

For the years ended December 31, 2019, 2018 and 2017, severance expenses were $1.8 million, $2.4 million and $1.3 million, respectively, due to headcount optimization.

Equity Tax Expense



For the years ended December 31, 2019, 2018 and 2017, the equity tax expense was
nil, nil, and $1.2 million, respectively, and was calculated based on our
Colombian legal entities' balance sheet at January 1st of the year. The Equity
Tax expense expired as of January 1, 2019, and the modified version
re-introduced in the 2018 Colombian Tax Reform is not applicable to our
Colombian legal entities.

Foreign Exchange Gains and Losses



For the years ended December 31, 2019, 2018 and 2017, we had foreign exchange
losses of $0.6 million, $10.0 million and $2.1 million, respectively. The main
sources of the foreign exchange gains and losses are revaluation of taxes
receivable and payable, investment in PetroTal shares and deferred tax
liabilities. Under GAAP, deferred taxes are considered a monetary liability and
require translation from local currency to U.S. dollar functional currency at
each balance sheet date.

The following table presents the change in the Colombian peso against the U.S. dollar for each of the three years ended December 31, 2019:



                                                          Year Ended 

December 31,


                                                     2019          2018     

2017

Change in the Colombian peso against the U.S. weakened by weakened by strengthened by dollar

                                                1%            9%      

1%


Change in the U.S. dollar against the Canadian  strengthened by weakened by strengthened by
dollar                                                5%            9%            7%


Financial Instrument Gains and Losses

The following table presents the nature of our financial instruments gains and losses for each of the three years ended December 31, 2019:


                                             Year Ended December 31,
(Thousands of U.S. Dollars)                2019        2018       2017

Commodity price derivative loss $ 3,642 $ 13,972 $ 17,327 Foreign currency derivative loss (gain) 27 (890 ) (1,287 ) Investment gain

                           (49,884 )     (786 )     (111 )
                                        $ (46,215 ) $ 12,296   $ 15,929

For the year ended December 31, 2019, we had an investment gain of $49.9 million (2018 - $0.8 million) on our investment in PetroTal.

Other Loss



Other loss for the year ended December 31, 2019, was related primarily to the
loss on retirement of Convertible notes of $11.5 million. For the year ended
December 31, 2017, other loss was related to the loss on sale of our Brazil
business unit on June 30, 2017 and our Peru business unit on December 18, 2017.




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Income Tax Expense and Recovery


                                 Year Ended December 31,

(Thousands of U.S. Dollars) 2019 2018 2017 Income before income taxes $ 95,975 $ 151,487 $ 37,330

Current income tax expense $ 17,058 $ 43,903 $ 24,322 Deferred income tax expense 40,227 4,968 44,716 Total income tax expense $ 57,285 $ 48,871 $ 69,038



Effective tax rate                60 %        32 %      185 %



Current income tax expense decreased for the year ended December 31, 2019, compared with 2018 and 2017 primarily as a result of lower taxable income in Colombia.



The deferred income tax expense for the year ended December 31, 2019, of $40.2
million was primarily a result of excess tax depreciation compared to accounting
depreciation in Colombia. The deferred income tax expense for the year ended
December 31, 2018 of $5.0 million was primarily a result of excess tax
depreciation compared to accounting depreciation in Colombia, which was
partially offset by the impact of the release of the valuation allowance in
Colombia. In general, tax depreciation for capital expenditures investments
incurred prior to 2017 is on straight-line over five years; and accounting
depreciation is based on the unit of production method. The deferred income tax
expense in 2017 was the result of tax depreciation being higher than accounting
depreciation in Colombia.

Our effective tax rate was 60% for the year ended December 31, 2019, compared
with 32% in 2018. The increase in the effective tax rate was primarily due to an
increase in the valuation allowance, mainly as a result of the recognition of
previously unrecognized tax benefits in Colombia during 2018; and other
permanent differences.

Our effective tax rate was 32% for the year ended December 31, 2018, compared
with 185% in 2017. The decrease in the effective tax rate was primarily due to a
decrease in the valuation allowance, mainly as a result of the recognition of
previously unrecognized tax benefits in Colombia during 2018. This was partially
offset by an increase in the impact of foreign taxes and other non-deductible
expenses.

The difference between our effective tax rate of 60% for the year ended December
31, 2019, and the 33% Colombian statutory rate was primarily due to an increase
in foreign currency translation, impact of foreign taxes, increase in valuation
allowance and non-deductible third party royalties in Colombia.

The difference between our effective tax rate of 32% for the year ended December
31, 2018, and the 37% Colombian statutory rate was primarily due to a decrease
in the valuation allowance and other permanent differences. These are partially
offset by an increase in foreign currency translation, the impact of foreign
taxes and non-deductible third party royalties in Colombia.




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Net Loss and Funds Flow From Operations (a Non-GAAP Measure)



                               Fourth quarter 2019   % change   Fourth 

quarter 2019 % change Year ended % change


                               compared with third              compared with fourth            December 31,
                                   quarter 2019                     quarter 2018                2019 compared
                                                                                                  with year
                                                                                                    ended
                                                                                                December 31,
(Thousands of U.S. Dollars)                                                                         2018
Net (loss) income for the
comparative period            $       (28,833 )                $       (10,840 )                $   102,616
Increase (decrease) due to:
Sales volumes                             463                          (14,331 )                      9,037
Prices                                 (5,020 )                          5,627                      (51,485 )
Expenses:
  Cash operating expenses,
excluding stock-based
compensation expense                   (2,364 )                         (4,348 )                    (30,999 )
  Workover                               (114 )                         (2,578 )                     (6,681 )
  Transportation                       (1,054 )                          3,736                        8,593
  Cash G&A and RSU
settlements, excluding
stock-based compensation
expense                                  (873 )                          5,602                       (1,571 )
  Severance                              (549 )                           (343 )                        590
  Interest, net of
amortization of debt issuance
costs                                    (447 )                         (5,575 )                    (15,711 )
  Realized foreign exchange
loss (gain)                             1,882                             (327 )                       (378 )
  Settlement of financial
instruments                               (68 )                          6,764                       30,658
  Other loss                           (1,385 )                         (1,385 )                     (1,385 )
  Current taxes                           (86 )                          4,544                       26,845
  Net lease payments                      357                               74                         (163 )
  Interest Income                         (94 )                             72                       (1,390 )
Net change in funds flow from
operations(1)
 from comparative period               (9,352 )                         (2,468 )                    (34,040 )

Expenses:


 Depletion, depreciation and
accretion                             (10,791 )                           (434 )                    (27,166 )
 Deferred tax                              (3 )                         (3,389 )                    (35,259 )
 Amortization of debt
issuance costs                            (13 )                             52                         (193 )
  Loss on convertible notes            11,109                             (196 )                    (11,501 )
  Net Lease Payments                     (357 )                            (74 )                        163
 Stock-based compensation,
net of RSU settlement                    (346 )                        (12,516 )                      6,509
 Financial instruments gain
or loss, net of financial
instruments settlements                55,678                           42,017                       27,853
 Unrealized foreign exchange            9,912                           14,852                        9,708
Net change in net income or
loss                                   55,837                           37,844                      (63,926 )
Net income for the current
period                        $        27,004          (194 )% $        27,004           349 %  $    38,690       62 %


(1) Funds flow from operations is a non-GAAP measure which does not have any
standardized meaning prescribed under GAAP. Refer to "Financial and Operating
Highlights - non-GAAP measures" for a definition and reconciliation of this
measure.


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2020 Work Program and Capital Expenditures

Colombia remains our primary focus and represents 97% of the 2020 capital program with the remainder allocated to exploration activities in Ecuador.

The table below shows the break-down of our 2020 capital program:


             Number of Wells Number of Wells 2020 Capital Budget
                 (Gross)          (Net)          ($ million)
Colombia
 Development           16-19           15-18             140-160
 Exploration             1-2             1-2               25-35
Ecuador
 Exploration             0-1             0-1                0-10
                       17-22           16-21          175-195(1)

(1) Assumes mid-point of budgeted amount for exploration



Based on the mid-point of the 2020 guidance, the capital budget is forecasted to
be approximately 80% directed to development and 20% to exploration.
Approximately 20% of the development activities included in the 2020 capital
program are expected to be directed to facilities.

We expect our 2020 capital program to be fully funded by cash flows from operations.

Capital Program

Capital expenditures during the year ended December 31, 2019, were $379.3 million.

During the year ended December 31, 2019, we spud the following wells in Colombia:


               Number of wells
               (Gross and Net)
Colombia
   Development            25.0
   Exploration             6.0
   Service                 5.0
Total                     36.0



We spud six exploration, five service, and 25 development wells in 2019.
Approximately 80% of the development wells and all service wells were in the
Acordionero Field on the Midas Block. The six exploration wells were spud in the
PUT-1, PUT-7, El Porton, Llanos-10 and Santana Blocks.

We also commissioned facilities in the Acordionero Field and continued facilities work in the Moqueta Field on the Chaza Block.

Liquidity and Capital Resources


                                                           As at December 31,
(Thousands of U.S. Dollars)             2019       % Change       2018       % Change       2017
Cash and Cash Equivalents            $   8,301         (84 )   $  51,040         314     $  12,326

Current Restricted Cash and Cash
Equivalents                          $     516         (59 )   $   1,269         (89 )   $  11,787

Revolving Credit Facility            $ 118,000         100     $       -        (100 )   $ 148,000

Senior Notes                         $ 600,000         100     $ 300,000         100     $       -

Convertible Notes                    $       -        (100 )   $ 115,000           -     $ 115,000



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We believe that our capital resources, including cash on hand, cash generated
from operations and available capacity on our credit facility, will provide us
with sufficient liquidity to meet our strategic objectives and planned capital
program for 2020, given current oil price trends and production levels. In
accordance with our investment policy, available cash balances are held in our
primary cash management banks or may be invested in U.S. or Canadian
government-backed federal, provincial or state securities or other money market
instruments with high credit ratings and short-term liquidity. We believe that
our current financial position provides us the flexibility to respond to both
internal growth opportunities and those available through acquisitions.

On May 20, 2019, we issued $300.0 million of 7.75% Senior Notes. The 7.75%
Senior Notes are fully and unconditionally guaranteed by certain of our
subsidiaries that guarantee our revolving credit facility. Net proceeds from the
issue of the 7.75% Senior Notes were $289.3 million, after deducting the initial
purchasers' discounts and commission and the offering expenses payable by us.
The 7.75% Senior Notes bear interest at a rate of 7.75% per year, payable
semi-annually in arrears on May 23 and November 23 of each year, beginning on
November 23, 2019. The 7.75% Senior Notes will mature on May 23, 2027, unless
earlier redeemed or repurchased.

During the year, we purchased and canceled $114,999,000 aggregate principal
amount of Convertible Notes, including $114,997,000 aggregate principal amount
purchased and canceled pursuant to a previously announced offer to purchase for
cash all outstanding Convertible Notes.

On February 15, 2018, through our indirect wholly-owned subsidiary, Gran Tierra
Energy International Holdings Ltd., we issued $300.0 million aggregate principal
amount of 6.25% Senior Notes due 2025 (the "6.25% Senior Notes") in a private
placement transaction. The 6.25% Senior Notes bear interest at a rate of 6.25%
per year, payable semi-annually in arrears on February 15 and August 15 of each
year, beginning on August 15, 2018. The 6.25% Senior Notes will mature on
February 15, 2025, unless earlier redeemed or repurchased. The net proceeds of
the 6.25% Notes were used to repay the outstanding amount on the revolving
credit facility, with the remainder for general corporate purposes.

As at December 31, 2019, we had a fully committed revolving credit facility with
a syndicate of lenders with a borrowing base of $300.0 million with $182.0
million of undrawn capacity under the facility. We intentionally apply all
excess cash to the facility and minimize cash on the balance to reduce borrowing
costs. We can borrow under the facility by providing the lenders with two days
notice. Availability under the revolving credit facility is determined by the
reserves-based borrowing base determined by the lenders.

Under the terms of our credit facility we are required to maintain compliance
with certain financial and operating covenants which include: the maintenance of
a ratio of debt, including letters of credit, to net income plus interest,
taxes, depreciation, depletion, amortization, exploration expenses and all
non-cash charges minus all non-cash income (as defined in our credit agreement,
"EBITDAX") not to exceed 4.0 to 1.0; the maintenance of a ratio of EBITDAX to
interest expense of at least 2.5 to 1.0. As at December 31, 2019, we were in
compliance with all financial and operating covenants in our credit agreement.
Under the terms of the credit facility, we are limited in our ability to pay any
dividends to our shareholders without bank approval.

Cash and Cash Equivalents Held Outside of Canada and the United States

At December 31, 2019, 92% of our cash and cash equivalents were held by subsidiaries outside of Canada and the United States.

Derivative Positions



At December 31, 2019, we had outstanding commodity price derivative positions as
follows:

                                                          Purchased   Sold Call    Premium
                                                         Put ($/bbl,   ($/bbl,     ($/bbl,
                                      Volume,             Weighted     Weighted   Weighted

Period and type of instrument bopd Reference Average) Average) Average) Collars: January 1, to June 30, 2020 6,000 ICE Brent 55.00 69.05 n/a

A collar limits the range of possible positive and negative returns and provides us downside protection at a lower cost compared to a protective swap.

At December 31, 2019 and subsequent to, we had outstanding foreign currency derivative positions as follows:

42

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                                             U.S. Dollar
                                             Equivalent of             Floor
                                             Amount Hedged             Price      Cap Price
                                             (Thousands of             (COP,      (COP,
Period and type of          Amount Hedged    U.S.                      Weighted   Weighted
instrument                  (Millions COP)   Dollars)(1)     Reference Average)   Average)
Collars: January 1, to
December 31, 2020                  134,500          40,994   COP          3,305      3,423



Cash Flows

The following table presents our sources and uses of cash and cash equivalents
for the periods presented:
                                                        Year Ended December 31,
                                                   2019          2018          2017
Sources of cash and cash equivalents:
Net income (loss)                              $    38,690   $   102,616   $   (31,708 )
Adjustments to reconcile net loss to funds
flow from operations
 DD&A expenses                                     225,033       197,867       131,335
 Asset impairment                                        -             -         1,514
 Deferred tax expense                               40,227         4,968        44,716
 Stock-based compensation expense                    1,430         8,299    

9,775


 Amortization of debt issuance costs                 3,376         3,183    

2,415


 Cash settlement of RSUs                                 -          (360 )  

(564 )


 Unrealized foreign exchange loss                    1,803        11,511    

837


 Financial instruments (gain) loss                 (46,215 )      12,296        15,929
Non-cash lease expenses                              1,806             -             -
Lease payments                                      (1,969 )           -             -
 Cash settlement of financial instruments           (3,273 )     (33,931 )  

1,563


 Loss on redemption of convertible notes            11,501             -             -
 Loss on sale                                            -             -        44,385
Funds flow from operations(1)                      272,409       306,449       220,197
Proceeds from issuance of Senior Notes, net of
issuance costs                                     289,271       288,131    

-


Proceeds from other debt, net of issuance
costs                                              342,575         4,560    

167,043


Changes in non-cash investing working capital            -        17,704    

19,680


Proceeds from exercise of stock options                  -         1,429    

-


Net proceeds from sale of business units                 -             -    

32,968


                                                   904,255       618,273    

439,888


Uses of cash and cash equivalents:
Additions to property, plant and equipment -
property acquisitions                              (77,772 )     (53,200 )     (34,410 )
Additions to property, plant and equipment        (379,314 )    (347,093 )    (251,041 )
Repayment of debt                                 (349,219 )    (153,000 )    (110,000 )
Cash paid for investments                                -             -       (11,000 )
Changes in non-cash operating working capital      (93,874 )     (21,421 )     (29,217 )
Changes in non-cash investing working capital       (7,851 )           -    

-

Cash settlement of asset retirement obligation (870 ) (519 )

     (1,336 )
Repurchase of shares of Common Stock               (37,561 )     (12,742 )     (17,916 )
Foreign exchange loss on cash, cash
equivalents and restricted cash and cash
equivalents                                         (1,027 )      (2,668 )  

(1,557 )


                                                  (947,488 )    (590,643 )    (456,477 )
Net (decrease) increase in cash, cash
equivalents and restricted cash and cash
equivalents                                    $   (43,233 ) $    27,630

$ (16,589 )




(1) Funds flow from operations is a non-GAAP measure which does not have any
standardized meaning prescribed under GAAP. Refer to "Financial and Operating
Highlights - non-GAAP measures" for a definition and reconciliation of this
measure.

                                                                            

43

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Off-Balance Sheet Arrangements

As at December 31, 2019 and 2018, we had no off-balance sheet arrangements.

Contractual Obligations

The following is a schedule by year of purchase obligations, future minimum payments for firm agreements and leases that have initial or remaining non-cancelable terms in excess of one year as of December 31, 2019:



                             Total           2020         2021-2022       2023-2024       2025 and
                                                                                           beyond
(Thousands of U.S.
Dollars)
 Revolving credit
facility                 $   118,000     $        -     $   118,000     $         -     $         -
 6.25% Senior Notes          300,000              -               -               -         300,000
 7.75% Senior Notes          300,000              -               -               -         300,000
Total long-term debt         718,000              -         118,000               -         600,000
Interest payments(1)         289,090         46,070          91,572          84,000          67,448
Oil transportation
services                       3,211          3,211               -               -               -
Drilling, completions
and seismic                   21,409          7,602          13,669              39              99
Operating leases               5,679          2,708           2,971               -               -
Finance leases                 6,232          2,760           3,276             168              28
Total                    $ 1,043,621     $   62,351     $   229,488     $    84,207     $   667,575


  (1) Interest payments were calculated by assuming that our revolving credit
facility outstanding balance at December 31, 2019 of $118 million will be
outstanding through the November 2022 maturity date and our 6.25% Senior Notes
and 7.75% Senior Notes will be held until their maturity dates of February 2025
and May 2027, respectively. Actual results will differ from these estimates and
assumptions.

At December 31, 2019, we had provided promissory notes totaling $120.6 million
to support letters of credit or surety bonds relating to work commitment
guarantees contained in exploration contracts and other capital or operating
requirements. These unsecured letters of credit do not utilize our revolving
credit facility capacity because they are backed by local Colombian banks and
Export Development Canada.

The above table does not reflect estimated amounts expected to be incurred in
the future associated with the abandonment of our oil and gas properties and
other long-term liabilities, as we cannot determine with accuracy the timing of
such payments. Information regarding our asset retirement obligation can be
found in Note 8 to the Consolidated Financial Statements, Asset Retirement
Obligation, in Item 8. "Financial Statements and Supplementary Data".

As is customary in the oil and gas industry, we may at times have commitments in
place to reserve or earn certain acreage positions or wells. If we do not meet
such commitments, the acreage positions or wells may be lost and associated
penalties may be payable.

Critical Accounting Policies and Estimates



The preparation of financial statements under GAAP requires management to make
estimates, judgments and assumptions that affect the reported amounts of assets
and liabilities as well as the revenues and expenses reported and disclosure of
contingent liabilities. Changes in these estimates related to judgments and
assumptions will occur as a result of changes in facts and circumstances or
discovery of new information, and, accordingly, actual results could differ from
amounts estimated.
On a regular basis we evaluate our estimates, judgments and assumptions. We also
discuss our critical accounting policies and estimates with the Audit Committee
of the Board of Directors.

Certain accounting estimates are considered to be critical if (a) the nature of
the estimates and assumptions is material due to the level of subjectivity and
judgment necessary to account for highly uncertain matters or the susceptibility
of such matters to changes; and (b) the impact of the estimates and assumptions
on financial condition or operating performance is material. The areas of
accounting and the associated critical estimates and assumptions made are
discussed below.




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Full Cost Method of Accounting, Proved Reserves, DD&A and Impairment of Oil and Gas Properties



We follow the full cost method of accounting for our oil and natural gas
properties in accordance with SEC Regulation S-X Rule 4-10, as described in Note
2 to the Consolidated Financial Statements, Significant Accounting Policies, in
Item 8. "Financial Statements and Supplementary Data". Under the full cost
method of accounting, all costs incurred in the acquisition, exploration and
development of properties are capitalized, including internal costs directly
attributable to these activities. The sum of net capitalized costs, including
estimated asset retirement obligations ("ARO"), and estimated future development
costs to be incurred in developing proved reserves are depleted using the
unit-of-production method.

Companies that use the full cost method of accounting for oil and natural gas
exploration and development activities are required to perform a ceiling test
calculation. The ceiling test limits pooled costs to the aggregate of the
discounted estimated after-tax future net revenues from proved oil and gas
properties, plus the lower of cost or estimated fair value of unproved
properties less any associated tax effects.

If our net book value of oil and gas properties, less related deferred income
taxes, is in excess of the calculated ceiling, the excess must be written off as
an expense. Any such write-down will reduce earnings in the period of occurrence
and result in lower DD&A expenses in future periods. The ceiling limitation is
imposed separately for each country in which we have oil and gas properties. An
expense recorded in one period may not be reversed in a subsequent period even
though higher oil and gas prices may have increased the ceiling applicable to
the subsequent period.

Our estimates of proved oil and gas reserves are a major component of the
depletion and full cost ceiling calculations. Additionally, our proved reserves
represent the element of these calculations that require the most subjective
judgments. Estimates of reserves are forecasts based on engineering data,
projected future rates of production and the amount and timing of future
expenditures. The process of estimating oil and natural gas reserves requires
substantial judgment, resulting in imprecise determinations, particularly for
new discoveries. Different reserve engineers may make different estimates of
reserve quantities based on the same data.

We believe our assumptions are reasonable based on the information available to
us at the time we prepare our estimates. However, these estimates may change
substantially as additional data from ongoing development activities and
production performance becomes available and as economic conditions impacting
oil and gas prices and costs change.

Management is responsible for estimating the quantities of proved oil and natural gas reserves and for preparing related disclosures. Estimates and related disclosures are prepared in accordance with SEC requirements and generally accepted industry practices in the United States as prescribed by the Society of Petroleum Engineers. Reserve estimates are evaluated at least annually by independent qualified reserves consultants.



While the quantities of proved reserves require substantial judgment, the
associated prices of oil and natural gas and the applicable discount rate, that
are used to calculate the discounted present value of the reserves do not
require judgment. The ceiling calculation dictates that a 10% discount factor be
used and future net revenues are calculated using prices that represent the
average of the first day of each month price for the 12-month period. Therefore,
the future net revenues associated with the estimated proved reserves are not
based on our assessment of future prices or costs, but reflect adjustments for
gravity, quality, local conditions, gathering and transportation fees and
distance from market. Estimates of standardized measure of our future cash flows
from proved reserves for our December 31, 2019, ceiling tests were based on
wellhead prices per BOE as of the first day of each month within that twelve
month period.

Because the ceiling test calculation dictates the use of prices that are not
representative of future prices and requires a 10% discount factor, the
resulting value should not be construed as the current market value of the
estimated oil and gas reserves attributable to our properties. Historical oil
and gas prices for any particular 12-month period can be either higher or lower
than our price forecast. Therefore, oil and gas property write-downs that result
from applying the full cost ceiling limitation, and that are caused by
fluctuations in price as opposed to reductions to the underlying quantities of
reserves should not be viewed as absolute indicators of a reduction of the
ultimate value of the related reserves.

Our Reserves Committee oversees the annual review of our oil and gas reserves
and related disclosures. The Board meets with management periodically to review
the reserves process, results and related disclosures and appoints and meets
with the independent reserves consultants to review the scope of their work,
whether they have had access to sufficient information, the nature and
satisfactory resolution of any material differences of opinion, and in the case
of the independent reserves consultants, their independence.


                                                                            

45

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In the years ended December 31, 2019 and 2018, we had no ceiling test impairment
losses. We used an average Brent price of $64.20 per bbl for the purposes of the
December 31, 2019 ceiling test calculations (December 31, 2018 - $72.08;
December 31, 2017 - $54.19).

It is difficult to predict with reasonable certainty the amount of expected
future impairment losses given the many factors impacting the asset base and the
cash flows used in the prescribed U.S. GAAP ceiling test calculation. These
factors include, but are not limited to, future commodity pricing, royalty rates
in different pricing environments, operating costs and negotiated savings,
foreign exchange rates, capital expenditures timing and negotiated savings,
production and its impact on depletion and cost base, upward or downward reserve
revisions as a result of ongoing exploration and development activity, and tax
attributes.

Unproved Properties

Unproved properties are not depleted pending the determination of the existence
of proved reserves. Costs are transferred into the amortization base on an
ongoing basis as the properties are evaluated and proved reserves are
established or impairment is determined. Unproved properties are evaluated
quarterly to ascertain whether impairment has occurred. Unproved properties, the
costs of which are individually significant, are assessed individually by
considering seismic data, plans or requirements to relinquish acreage, drilling
results and activity, remaining time in the commitment period, remaining capital
plans and political, economic and market conditions. Where it is not practicable
to individually assess the amount of impairment of properties for which costs
are not individually significant, these properties are grouped for purposes of
assessing impairment. During any period in which factors indicate an impairment,
the cumulative costs incurred to date for such property are transferred to the
full cost pool and are then subject to amortization. The transfer of costs into
the amortization base involves a significant amount of judgment and may be
subject to changes over time based on our drilling plans and results, seismic
evaluations, the assignment of proved reserves, availability of capital and
other factors. For countries where a reserve base has not yet been established,
the impairment is charged to earnings.

Asset Retirement Obligations



We are required to remove or remedy the effect of our activities on the
environment at our present and former operating sites by dismantling and
removing production facilities and remediating any damage caused. Estimating our
future ARO requires us to make estimates and judgments with respect to
activities that will occur many years into the future. In addition, the ultimate
financial impact of environmental laws and regulations is not always clearly
known and cannot be reasonably estimated as standards evolve in the countries in
which we operate.

We record ARO in our consolidated financial statements by discounting the
present value of the estimated retirement obligations associated with our oil
and gas wells and facilities. In arriving at amounts recorded, we make numerous
assumptions and judgments with respect to the existence of a legal obligation
for an ARO, estimated probabilities, amounts and timing of settlements,
inflation factors, credit-adjusted risk-free discount rates and changes in
legal, regulatory, environmental and political environments. Because costs
typically extend many years into the future, estimating future costs is
difficult and requires management to make judgments that are subject to future
revisions based upon numerous factors, including changing technology and the
political and regulatory environment. In periods subsequent to initial
measurement of the ARO, we must recognize period-to-period changes in the
liability resulting from the passage of time and revisions to either the timing
or the amount of the original estimate of undiscounted cash flows. Increases in
the ARO liability due to passage of time impact net income as accretion expense.
The related capitalized costs, including revisions thereto, are charged to
expense through DD&A.

It is difficult to determine the impact of a change in any one of our assumptions. As a result, we are unable to provide a reasonable sensitivity analysis of the impact a change in our assumptions would have on our financial results.

Equity Method Investment

During December 2017, we acquired an investment in common shares of PetroTal in
connection with the sale of our Peru business unit. At December 31, 2019, this
investment represented approximately 37% of PetroTal's issued and outstanding
common shares. We determined that we did not have a controlling financial
interest in PetroTal, but could exert significant influence over PetroTal's
operating and financial policies as a result of our ownership interest in
PetroTal and the right to nominate two directors to PetroTal's board of
directors. Accordingly, we accounted for our investment in the common shares of
PetroTal as an equity method investment, but elected the fair value option for
this investment.

The fair value of the current portion of the investment was estimated using quoted market prices in active markets. The long-term portion of the investment was estimated based on quoted market prices and valuation technique using observable and one or more unobservable inputs. Information regarding the valuation of the investment can be found in Note 13 to the Consolidated Financial

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Statements, Financial Instruments, Fair Value Measurement, Credit Risk and Foreign Exchange Risk in Item 8. "Financial Statements and Supplementary Data", which information is incorporated by reference here.

Goodwill

Goodwill represents the excess of the aggregate of the consideration transferred
over net identifiable assets acquired and liabilities assumed. The goodwill on
our balance sheet relates entirely to our Colombia reporting unit.

At each reporting date, we assess qualitative factors to determine whether it is
more likely than not that the fair value of the reporting unit is less than its
carrying amount and whether it is necessary to perform the goodwill impairment
test. Changes in our future cash flows, operating results, growth rates, capital
expenditures, cost of capital, discount rates, stock price or related market
capitalization, could affect the results of our annual goodwill assessment and,
accordingly, potentially lead to future goodwill impairment charges. The
goodwill impairment test would require a comparison of the fair value of the
reporting unit to its net book value. If the estimated fair value of the
reporting unit were less than its net book value, including goodwill, we would
recognize the goodwill impairment in an amount not exceeding the carrying amount
of goodwill through a charge to expense.

The most significant judgments involved in estimating the fair value of our
reporting unit would relate to the valuation of our property and equipment.
Unfavorable changes in reserves or in our price forecast would increase the
likelihood of a goodwill impairment charge. A goodwill impairment charge would
have no effect on liquidity or capital resources. However, it would adversely
affect our results of operations in that period.

At December 31, 2019, we performed a step 1 test of goodwill and no impairment of goodwill was identified.



Revenue Recognition

Our revenue relates to oil and natural gas sales in Colombia. We recognize
revenue when it transfers control of the product to a customer. This generally
occurs at the time the customer obtains legal title to the product and when it
is physically transferred to the delivery point agreed with the customer.
Payment terms are generally within three business days following delivery of an
invoice to the customer. Revenue is recognized based on the consideration
specified in contracts with customers. Revenue represents our share and is
recorded net of royalty payments to governments and other mineral interest
owners.

We evaluate our arrangement with third parties and partners to determine if we
act as a principal or an agent. In making this evaluation, our management
considers if we obtain control of the product delivered, which is indicated by
us having the primary responsibility for the delivery of the product, having
ability to establish prices or having inventory risk. If we act in the capacity
of an agent rather than as a principal in transaction, then the revenue is
recognized on a net-basis, only reflecting the fee realized by us from the
transaction.

Tariffs, tolls and fees charged to other entities for use of pipelines owned by
us are evaluated by management to determine if these originate from contracts
with customers or from incidental arrangements.

In the comparative period, revenue from the production of oil and natural gas
was recognized when the customer took title and assumed the risks and rewards of
ownership, prices were fixed or determinable, the sale was evidenced by a
contract and collection of the revenue was reasonably assured.

When determining if we acted as a principal or as an agent in transactions, management determines if we obtain control of the product. As part of this assessment, management considers detailed criteria for revenue recognition set out in ASC 606.



Income Taxes

We follow the liability method of accounting for income taxes whereby we
recognize deferred income tax assets and liabilities for the future tax
consequences attributable to differences between the financial statement
carrying amounts of assets and liabilities and their respective tax bases.
Deferred tax assets are also recognized for the future tax benefits attributable
to the expected utilization of existing tax net operating loss carryforwards and
other types of carryforwards. Deferred tax assets and liabilities are measured
using enacted tax rates expected to apply to taxable income in the years in
which those temporary differences and carryforwards are expected to be recovered
or settled. The effect on deferred tax assets and liabilities of a change in tax
rates is recognized in income in the period that includes the enactment date.

We carry on business in several countries and as a result, we are subject to
income taxes in numerous jurisdictions. The determination of our income tax
provision is inherently complex and we are required to interpret continually
changing regulations and make

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certain judgments. While income tax filings are subject to audits and
reassessments, we believe we have made adequate provision for all income tax
obligations. However, changes in facts and circumstances as a result of income
tax audits, reassessments, jurisprudence and any new legislation may result in
an increase or decrease in our provision for income taxes.

To assess the realization of deferred tax assets, we consider whether it is more
likely than not that some portion or all of the deferred tax assets will not be
realized. The ultimate realization of deferred tax assets is dependent upon the
generation of future taxable income during the periods in which those temporary
differences become deductible. We consider the scheduled reversal of deferred
tax liabilities, projected future taxable income and tax planning strategies in
making this assessment.

Our effective tax rate is based on pre-tax income and the tax rates applicable
to that income in the various jurisdictions in which we operate. An estimated
effective tax rate for the year is applied to our quarterly operating results.
In the event that there is a significant unusual or discrete item recognized, or
expected to be recognized, in our quarterly operating results, the tax
attributable to that item would be separately calculated and recorded at the
same time as the unusual or discrete item. We consider the resolution of
prior-year tax matters to be such items. Significant judgment is required in
determining our effective tax rate and in evaluating our tax positions. We
establish reserves when it is more likely than not that we will not realize the
full tax benefit of the position. We adjust these reserves in light of changing
facts and circumstances.

We routinely assess potential uncertain tax positions and, if required, estimate and establish accruals for such amounts.

Legal and Other Contingencies



A provision for legal and other contingencies is charged to expense when the
loss is probable and the cost can be reasonably estimated. Determining when
expenses should be recorded for these contingencies and the appropriate amounts
for accrual is a complex estimation process that includes the subjective
judgment of management. In many cases, management's judgment is based on
interpretation of laws and regulations, which can be interpreted differently by
regulators and/or courts of law. Management closely monitors known and potential
legal and other contingencies and periodically determines when we should record
losses for these items based on information available to us.

Stock-Based Compensation



Our stock-based compensation cost is measured based on the fair value of the
awards that are ultimately expected to vest. Fair values are determined using
pricing models such as the Black-Scholes simulation stock option-pricing model
and/or observable share prices. These estimates depend on certain assumptions,
including volatility, risk-free interest rate, the term of the awards, the
forfeiture rate and performance factors, which, by their nature, are subject to
measurement uncertainty. We use historical data to estimate the expected term
used in the Black-Scholes option pricing model, option exercises and employee
departure behavior. Expected volatilities used in the fair value estimate are
based on the historical volatility of our shares. The risk-free rate for periods
within the expected term of the stock options is based on the U.S. Treasury
yield curve in effect at the time of grant.

Recently Adopted Accounting Pronouncements



We adopted Accounting Standard Codification ("ASC") 842 Leases with a date of
initial application on January 1, 2019 in accordance with the modified
retrospective transition approach using the practical expedients available for
land easements and short-term leases. We did not elect the "suite" of practical
expedients or use the hindsight expedient in our adoption.

At inception of a contract, we assess whether a contract is, or contains, a
lease. A contract is, or contains, a lease if the contract conveys the right to
control the use of an identified asset for a period of time in exchange for
consideration. At inception of a contract that contains a lease component, we
allocate the consideration in the contract to each lease and non-lease component
on the basis of their relative stand-alone prices. We recognize a right-of-use
asset and a lease liability at the lease commencement date. The right-of-use
asset is initially measured at cost, and subsequently at cost less any
accumulated depreciation and impairment losses, and adjusted for certain
remeasurements of the lease liability.

The lease liability is initially measured at the present value of the lease
payments that are not paid at the commencement date, discounted using the
interest rate implicit in the lease or, if that rate cannot be readily
determined, our incremental borrowing rate. Generally, we use our incremental
borrowing rate as the discount rate. The lease liability is subsequently
increased by the interest cost on the lease liability and decreased by lease
payments made. It is remeasured when there is a change in future lease payments
arising from a change in an index or rate, a change in the estimate of the
amount expected to be payable under a residual value guarantee, or as
appropriate, changes in the assessment of whether a purchase or extension option
is reasonably certain to be exercised or a termination option is reasonably
certain not to be exercised.


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We have applied judgment to determine the lease term for contracts which include
renewal or termination options. The assessment of whether we are reasonably
certain to exercise such options impacts the lease term, which significantly
affects the amount of lease liabilities and right-of-use assets recognized.

All leases identified as part of the transition relate to office leases.



The transition resulted in the recognition of a right-of-use asset presented in
other capital assets of $3.8 million at January 1, 2019, the recognition of
lease liabilities of $4.2 million and a $0.4 million impact on retained
earnings. When measuring the lease liabilities, our incremental borrowing rate
was used. At January 1, 2019 the rates applied ranged between 5.6% and 9.1%.

New Accounting Pronouncements



In June 2016, the FASB issued ASU 2016-13, "Financial Instruments - Credit
Losses". This ASU replaces the current incurred loss impairment methodology with
a methodology that reflects expected credit losses and requires a broader range
of reasonable and supportable information to support credit loss estimates. In
December 2019, the FASB issued ASU 2019-10, "Financial Instruments - Credit
Losses, Derivatives and Hedging and Leases", which is codification improvement
of ASU 2016-13. The ASU will be effective for fiscal years, and interim periods
within those years, beginning after December 15, 2019. We have adopted this ASU
on January 1, 2020 and applied a current expected credit loss model that has
resulted in no impact on our consolidated position, results of operation or cash
flows.

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