) costs of $4.78/boe, including technical revisions. During 2020, the downturn in commodity prices necessitated suspension of capital development so there were no material reserves added from drilling. Year-end 2020 estimated net present values of future net revenue before tax discounted at 10% (“NPV 10 BT”) for PDP, 1P and 2P reserves totaled $54.7 million, $107.4 million and $218.0 million, respectively. Approximately 100% of PPR’s total estimated abandonment and reclamation obligations (ARO) is included in the 2020 reserves evaluation (2019 – approximately 79%). Reserve life index (1) was 4.7 years, 10.5 years and 16.0 years on a PDP, 1P and 2P basis, respectively. Notes: (1) " Finding & Development Costs" and “Reserve Life Index” does not have a standardized meaning. See "Cautionary Statements – Disclosure of Oil and Gas Reserves Data and Operational Information" and "Cautionary Statements – Reserve Life Index" below