Supplemental Information on Oil and Natural Gas Properties (Unaudited) | Supplemental Information on Oil and Natural Gas Operations (Unaudited) Estimated Reserves For each year in the table below, the estimated proved reserves were prepared by DeGolyer and MacNaughton (“D&M”), Callon’s independent third-party reserve engineers. The reserves were prepared in accordance with guidelines established by the SEC. Accordingly, the following reserve estimates are based upon existing economic and operating conditions. There are numerous uncertainties inherent in establishing quantities of proved reserves. The following reserve data represents estimates only and should not be deemed exact. In addition, the standardized measure of discounted future net cash flows should not be construed as the current market value of the Company’s oil and natural gas properties or the cost that would be incurred to obtain equivalent reserves. Extrapolation of performance history and material balance estimates were utilized by D&M to project future recoverable reserves for the producing properties where sufficient history existed to suggest performance trends and where these methods were applicable to the subject reservoirs. The projections for the remaining producing properties were necessarily based on volumetric calculations and/or analogy to nearby producing completions. Reserves assigned to non-producing zones and undeveloped locations were projected on the basis of volumetric calculations and analogy to nearby production and, to a small extent, horizontal PDP and PUD categories. The following tables disclose changes in the estimated quantities of proved reserves, all of which are located onshore within the continental United States: Years Ended December 31, Proved reserves 2022 2021 2020 Oil (MBbls) Beginning of period 290,296 289,487 346,361 Extensions and discoveries 41,064 22,520 25,678 Revisions to previous estimates (31,163) (10,514) (49,336) Purchase of reserves in place — 35,045 — Sales of reserves in place (949) (24,019) (9,673) Production (23,639) (22,223) (23,543) End of period 275,609 290,296 289,487 Natural Gas (MMcf) Beginning of period 577,327 541,598 757,134 Extensions and discoveries 75,801 37,896 44,282 Revisions to previous estimates (11,155) (3,389) (198,628) Purchase of reserves in place — 73,445 — Sale of reserves in place (7,503) (34,837) (20,389) Production (41,627) (37,386) (40,801) End of period 592,843 577,327 541,598 NGLs (MBbls) Beginning of period 98,104 96,126 67,462 Extensions and discoveries 14,264 7,345 8,349 Revisions to previous estimates 1,376 (3,103) 30,214 Purchase of reserves in place — 10,366 — Sale of reserves in place (1,159) (6,191) (3,049) Production (7,476) (6,439) (6,850) End of period 105,109 98,104 96,126 Total (MBoe) Beginning of period 484,621 475,879 540,012 Extensions and discoveries 67,961 36,180 41,407 Revisions to previous estimates (31,645) (14,181) (52,227) Purchase of reserves in place — 57,652 — Sale of reserves in place (3,359) (36,015) (16,120) Production (38,053) (34,894) (37,193) End of period 479,525 484,621 475,879 Years Ended December 31, Proved developed reserves 2022 2021 2020 Oil (MBbls) Beginning of period 162,886 128,923 152,687 End of period 170,866 162,886 128,923 Natural gas (MMcf) Beginning of period 332,266 238,119 320,676 End of period 351,278 332,266 238,119 NGLs (MBbls) Beginning of period 55,720 43,315 24,844 End of period 63,788 55,720 43,315 Total proved developed reserves (MBoe) Beginning of period 273,983 211,925 230,977 End of period 293,200 273,983 211,925 Proved undeveloped reserves Oil (MBbls) Beginning of period 127,410 160,564 193,674 End of period 104,743 127,410 160,564 Natural gas (MMcf) Beginning of period 245,061 303,479 436,458 End of period 241,565 245,061 303,479 NGLs (MBbls) Beginning of period 42,384 52,811 42,618 End of period 41,321 42,384 52,811 Total proved undeveloped reserves (MBoe) Beginning of period 210,638 263,954 309,035 End of period 186,325 210,638 263,954 Total proved reserves Oil (MBbls) Beginning of period 290,296 289,487 346,361 End of period 275,609 290,296 289,487 Natural gas (MMcf) Beginning of period 577,327 541,598 757,134 End of period 592,843 577,327 541,598 NGLs (MBbls) Beginning of period 98,104 96,126 67,462 End of period 105,109 98,104 96,126 Total proved reserves (MBoe) Beginning of period 484,621 475,879 540,012 End of period 479,525 484,621 475,879 Total Proved Reserves For the year ended December 31, 2022, the Company’s net decrease in proved reserves of 5.1 MMBoe was primarily due to the following: • Increase of 68.0 MMBoe through extensions and discoveries through the Company’s development efforts in its operating areas, of which 8.7 MMBoe were proved developed reserves; • Decrease of 31.6 MMBoe for revisions of previous estimates that were primarily comprised of: ◦ 44.4 MMBoe reduction due to PUD locations that were reclassified to unproved reserve categories, all of which were in the Permian. Certain PUDs were moved outside of their five-year development window as the Company continues to refine its future development plans for the Permian, including increased application of its “Life of Field” co-development model. This development model focuses on optimization of the value of a reservoir system through concurrent, co-development of multiple target zones within the system utilizing larger scale projects. As a result, the Company believes the model contributes to more consistent capital efficiency of its well inventory over time and its broader Permian development program is now being targeted for larger project sizes, accompanied by longer associated cycle times, based on its testing and delineation efforts during 2022; ◦ 13.1 MMBoe reduction primarily due to higher operating costs; offset by ◦ 13.7 MMBoe increase primarily due to the change in 12-Month Average Realized Price of crude oil which increased by approximately 45% as compared to December 31, 2021; ◦ 12.2 MMBoe increase primarily due to better results than previously forecasted on certain wells turned to production during 2022 in both the Permian and Eagle Ford. • Decrease of 3.4 MMBoe for sales of reserves in place primarily associated with the divestitures of non-core assets primarily in the Western Delaware Basin; and • Decrease of 38.1 MMBoe for production. For the year ended December 31, 2021, the Company’s net increase in proved reserves of 8.7 MMBoe was primarily due to the following: • Increase of 36.2 MMBoe through extensions and discoveries through the Company’s development efforts in its operating areas, of which 10.1 MMBoe were proved developed reserves; • Decrease of 14.2 MMBoe for revisions of previous estimates that were primarily comprised of: ◦ 27.9 MMBoe increase primarily due to the change in 12-Month Average Realized Price of crude oil which increased by approximately 75% as compared to December 31, 2020; offset by ◦ 29.0 MMBoe reduction due to PUDs that were removed primarily as a result of changes in anticipated well densities as the Company develops its properties in an effort to increase capital efficiency and cash flow generation as well as changes in its development plans, primarily due to the Primexx Acquisition, which resulted in PUDs being moved outside of the five-year development window; ◦ 13.1 MMBoe reduction due to reductions in anticipated hydrocarbon recoveries resulting from observed well performance over longer production timeframes during the testing of various full field development plan concepts. • Increase of 57.7 MMBoe for purchase of reserves in place associated with the Primexx Acquisition; • Decrease of 36.0 MMBoe for sales of reserves in place associated with the Western Delaware Basin, Eagle Ford, and Midland non-core asset sales; and • Decrease of 34.9 MMBoe for production. For the year ended December 31, 2020, the Company’s net decrease in proved reserves of 64.1 MMBoe was primarily due to the following: • Increase of 41.4 MMBoe through extensions and discoveries through the Company’s development efforts in its operating areas, of which 11.7 MMBoe were proved developed reserves; • Decrease of 52.2 MMBoe for revisions of previous estimates that were primarily comprised of: ◦ 26.2 MMBoe reduction due to the change in 12-Month Average Realized Price of crude oil which decreased by approximately 31% as compared to December 31, 2019. Included in the decrease are 2.1 MMBoe associated with proved developed producing wells and 0.8 MMBoe associated with proved undeveloped wells that were no longer economic at December 31, 2020 as a result of the decrease in the 12-Month Average Realized Price of crude oil; ◦ 24.2 MMBoe reduction due to anticipated hydrocarbon recoveries resulting from observed well performance over longer production timeframes during the testing of various full field development plan concepts; ◦ 24.0 MMBoe reduction due to PUDs that were removed primarily as a result of changes in anticipated well densities as the Company develops its properties in an effort to increase capital efficiency and cash flow generation; ◦ 14.7 MMBoe increase due to the volumetric impact from presenting NGLs and natural gas separately due to the modification of certain of the Company’s natural gas processing agreements which allow it to take title to NGLs resulting from the processing of its natural gas subsequent to January 1, 2020. For periods prior to January 1, 2020, except for reserve volumes specifically associated with Carrizo, the Company presented its reserve volumes for NGLs with natural gas; ◦ 7.5 MMBoe increase due to reduced assumptions for operational expenses as the Company continues to improve its field practices during the integration of the properties acquired from Carrizo; • Decrease of 16.1 MMBoe for sales of reserves in place primarily associated with the ORRI Transaction and the sale of substantially all of the Company’s non-operated assets; and • Decrease of 37.2 MMBoe for production. Capitalized Costs Capitalized costs related to oil and natural gas production activities with applicable accumulated depreciation, depletion, amortization and impairment are as follows: As of December 31, 2022 2021 Oil and natural gas properties: (In thousands) Evaluated properties $10,367,478 $9,238,823 Unevaluated properties 1,711,306 1,812,827 Total oil and natural gas properties 12,078,784 11,051,650 Accumulated depreciation, depletion, amortization and impairments (6,343,875) (5,886,002) Total oil and natural gas properties, net $5,734,909 $5,165,648 Costs Incurred Costs incurred in oil and natural gas property acquisitions, exploration and development activities are as follows: Years Ended December 31, 2022 2021 2020 Acquisition costs: (In thousands) Evaluated properties $— $677,250 $— Unevaluated properties 32,548 301,404 30,696 Development costs 742,991 396,181 379,900 Exploration costs 133,080 137,989 122,865 Total costs incurred $908,619 $1,512,824 $533,461 Standardized Measure The following tables present the standardized measure of future net cash flows related to estimated proved oil and natural gas reserves together with changes therein, including a reduction for estimated plugging and abandonment costs that are also reflected as a liability on the balance sheet at December 31, 2022. You should not assume that the future net cash flows or the discounted future net cash flows, referred to in the tables below, represent the fair value of our estimated oil and natural gas reserves. Proved reserve estimates and future cash flows are based on the average realized prices for sales of oil, natural gas, and NGLs on the first calendar day of each month during the year. The following average realized prices were used in the calculation of proved reserves and the standardized measure of discounted future net cash flows. Years Ended December 31, 2022 2021 2020 Oil ($/Bbl) $95.02 $65.44 $37.44 Natural gas ($/Mcf) $5.75 $3.31 $1.02 NGLs ($/Bbl) $36.40 $29.19 $11.10 Future production and development costs are based on current costs with no escalations. Estimated future cash flows net of future income taxes have been discounted to their present values based on a 10% annual discount rate. Standardized Measure For the Year Ended December 31, 2022 2021 2020 (In thousands) Future cash inflows $33,424,190 $23,775,358 $12,458,033 Future costs Production (10,702,897) (8,038,362) (5,433,496) Development and net abandonment (2,326,789) (1,927,789) (2,204,301) Future net inflows before income taxes 20,394,504 13,809,207 4,820,236 Future income taxes (3,000,300) (1,481,005) (65,405) Future net cash flows 17,394,204 12,328,202 4,754,831 10% discount factor (8,390,068) (6,077,447) (2,444,441) Standardized measure of discounted future net cash flows $9,004,136 $6,250,755 $2,310,390 Changes in Standardized Measure For the Year Ended December 31, 2022 2021 2020 (In thousands) Standardized measure at the beginning of the period $6,250,755 $2,310,390 $4,951,026 Sales and transfers, net of production costs (2,208,492) (1,466,413) (649,781) Net change in sales and transfer prices, net of production costs 4,168,425 4,336,078 (2,719,579) Net change due to purchases of in place reserves — 797,327 — Net change due to sales of in place reserves (36,389) (105,376) (202,928) Extensions, discoveries, and improved recovery, net of future production and development costs incurred 1,338,286 583,976 250,759 Changes in future development cost (257,344) (81,480) 361,008 Previously estimated development costs incurred 289,207 209,078 318,470 Revisions of quantity estimates (215,828) (104,572) (671,800) Accretion of discount 705,127 234,495 536,958 Net change in income taxes (730,185) (765,956) 383,999 Changes in production rates, timing and other (299,426) 303,208 (247,742) Aggregate change 2,753,381 3,940,365 (2,640,636) Standardized measure at the end of period $9,004,136 $6,250,755 $2,310,390 |