Reserves

Bonterra's year-end 2022 reserves were prepared by Sproule Associates Limited in accordance with the definitions, standards and procedures contained in the Canadian Oil and Gas Evaluation Handbook and National Instrument 51-101 - Standards of Disclosure for Oil and Gas Activities, with an effective date of December 31, 2022.

Summary of Oil and Gas Reserves as of December 31, 2022


Light & Medium
Crude Oil
(MBbl)
Conventional
Natural Gas(4)
(MMcf)
Natural Gas
Liquids
(MBbl)
Oil
Equivalent(5)
(MBoe)
Future
Development
Capital
($000s)
Proved




- Developed Producing 18,072 77,590 2,699 33,702 -
- Developed Non-Producing 2,403 6,971 234 3,799 3,984
- Undeveloped 22,699 99,792 3,869 43,201 656,112
Total Proved 43,174 184,353 6,802 80,702 660,096
- Probable 10,400 46,168 1,694 19,788 -
Total P+P(1)(2)(3) 53,574 230,521 8,496 100,490 660,096

(1) Reserves have been presented on gross basis which are the Company’s total working interest share before the deduction of any royalties and without including any royalty interests of the Company.
(2) Totals may not add due to rounding.
(3) Based on Sproule’s December 31, 2022 escalt price deck.
(4) Conventional natural gas amounts shown include solution gas.
(5) Oil equivalent amounts have been calculated using a conversion rate of six thousand cubic feet of natural gas to one barrel of oil.

Summary of Net Present Values of Future Net Revenue as of December 31, 2022

($ M)
Net present value before income taxes discounted at (% per year)
Reserve Category 0% 5% 10% 15%
Proved



- Producing 921,555 768,088 632,115 537,751
- Non-producing 133,157 79,415 55,799 42,666
- Undeveloped 1,094,449 692,709 468,029 331,955
Total Proved 2,149,161 1,540,212 1,155,943 912,371
- Probable 782,693 469,041 325,745 247,388
Total Proved plus Probable(1,2,3)
2,931,854 2,009,253 1,481,688 1,159,759

(1) Evaluated by Sproule as at December 31, 2022. Net present value of future net revenue does not represent fair value of the reserves.
(2) Net present values equal net present value before income taxes based on Sproule’s forecast prices and costs as of December 31, 2022. There is no assurance that the forecast prices and costs assumptions will be attained and variances could be material.
(3) Includes abandonment and reclamation costs as defined in NI 51-101.