THE WOODLANDS, Texas

,

Feb. 16, 2022

/PRNewswire/ — Earthstone Energy, Inc. (NYSE: ESTE) (“Earthstone”, the “Company”, “our” or “we”), today provided an operations update, released 2022 guidance and announced its year-end 2021 estimated proved reserves. The Company has estimated its oil and gas sales volumes for the fourth quarter of 2021 to be approximately 2.78 MMBoe or an average of approximately 30,244 Boepd (43% oil). For the year ended

December 31, 2021

, the Company estimates its annual sales volumes grew 62% to approximately 9.06 MMBoe, or an average of approximately 24,809 Boepd (48% oil) compared to 15,276 Boepd (57% oil) reported for 2020. The Company also announced its year-end 2021 SEC total estimated proved reserves of approximately 147.6 MMBoe and

$2.0 billion

of PV-10

⁽¹⁾

.  Incorporating the closing of the Chisholm Acquisition and the pending Bighorn Acquisition and utilizing NYMEX strip pricing, total reserves as of year-end were 330.2 MMBoe and

$3.9 billion

of PV-10.

⁽²⁾

Key highlights include:

• Average daily production for the fourth quarter of 2021 was 30,244 Boepd compared to 14,809 Boepd for the fourth quarter of 2020, representing an increase of 104% year over year
  
  ⁽³⁾
  
• 
  $51.4 million
  
  and
  
  $128.2 million
  
  of capital expenditures in the fourth quarter of 2021 and full year 2021, respectively, falling below the low end of our 2021 capital guidance
• Full year 2022 production guidance of 64,250 to 67,750 Boepd (~41% oil) and
  
  $410
  
  -440 million of capital expenditures to support a four-rig operated program
• Completed the Chisholm Acquisition on
  
  February 15, 2022
  
• Plan to continue operating two rigs in the
  
  Midland
  
  Basin and two rigs in the
  
  Northern Delaware
  
  Basin throughout 2022
• Stand-alone year-end 2021 SEC total estimated proved PV-10 and reserves were
  
  $2.0 billion
  
  and 147.6 MMBoe (63% Proved Developed; 41% oil), respectively
  
  ⁽¹⁾
  
• Strong balance sheet and liquidity position with the increased
  
  $825 million
  
  borrowing base and elected commitments under our senior secured credit facility (the “Credit Facility”) with further commitments to increase it to
  
  $1,325 million
  
  conditioned upon the closing of the previously announced Bighorn Acquisition

2022 Guidance

The Company’s 2022 capital budget of

$410

-440 million assumes a four-rig program consisting of two rigs operating in the

Midland

Basin and two rigs operating in the

Delaware

Basin. This program is expected to result in the spudding of 60 gross / 47.6 net operated wells and bringing 58 gross / 48.3 net operated wells online and spudding 20 gross / 4.1 net non-operated wells and bringing 19 gross / 4.2 net non-operated wells online in 2022. The Company anticipates first quarter production to be 35-37 MBoepd (~44% oil). This estimate reflects ~45 days of production from the assets acquired in the Chisholm Acquisition.  Furthermore, we expect production to double to 70-74 MBoepd (~41% oil) in the second quarter with an assumed ~75 days of contribution from the pending Bighorn Acquisition that is targeted to close in mid-April. We believe production in the second half of 2022 will be approximately 76-80 MBoepd (~41% oil) with the full impact of both acquisitions.

Based on our 2022 capital budget, operating plan, and existing service costs, along with current commodity prices and hedges, the Company expects to generate significant positive free cash flow

⁽⁴⁾

in 2022. The Company’s capital budget does not include any acquisition activities.

Management Comments

Robert J. Anderson

, President and Chief Executive Officer of Earthstone, stated, “We believe that scale matters in our business. Through the acquisition of the accretive and well-located assets throughout 2021 and early 2022, we have enhanced our ability to optimize our operations, create value by driving down operating and overhead per unit expenses, and increase shareholder value. Our 2021 acquisitions and drilling activities allowed us to more than double production in the fourth quarter of 2021 versus the prior year, and we are poised to increase production by over 150% in 2022 with the additions of the Chisholm and Bighorn acquisitions.  The six acquisitions we have closed or announced since the beginning of 2021 will expand our footprint by over 220,000 acres and increase our drilling inventory life to approximately 13 years at current commodity prices, while only adding minimal debt and keeping us positioned to achieve our targeted 1.0x Debt to EBITDAX ratio in 2022.

“With the closing of the Chisholm Acquisition, we have expanded our operations into the

Delaware

Basin with low cost, high margin assets that generate significant production from existing producing wells and we believe we can further drive value by implementing our proven operational strategies to lower lease operating expenses and optimize drilling and production.  Continuing to operate two rigs on the acquired acreage will enable us to further unlock the potential in the

Delaware

Basin, and with the addition of over 414 drilling locations, we expect to generate substantial free cash flow.

“Additionally, we are excited about our plans to close on the Bighorn acquisition in mid-April and how that will transform our free cash flow profile in the second half of the year. Our ambitious 2022 operating plans, coupled with strong commodity prices, are expected to result in significant free cash flow. We remain focused on consolidation and adding accretive scale that we believe will result in continued improved cost structure and creation of shareholder value.

“Our near-term focus will be on successfully integrating the Chisholm assets and preparing to close upon and integrate the Bighorn assets.  That said, we expect to continue our pursuit of accretive acquisitions in a prudent manner upon the successful integration of our most recently announced acquisitions.”

Liquidity Update

As of

December 31, 2021

, we had

$4 million

in cash and

$320 million

of long-term debt outstanding under our Credit Facility with a borrowing base of

$650 million

. With the

$330 million

of undrawn borrowing base capacity and

$4 million

in cash, we had total liquidity of approximately

$334 million

. Subsequent to year-end, Earthstone closed on its previously announced Chisholm Acquisition. When adjusted to include the additional borrowings to fund the actual cash consideration due at the closing of the Chisholm Acquisition, we had an estimated

$4 million

in cash and

$604 million

of debt outstanding under our Credit Facility with a borrowing base of

$825 million

. With the

$221 million

of undrawn borrowing base capacity and

$4 million

in cash, we had total liquidity of approximately

$225 million

on a combined basis. Furthermore, lenders under the Credit Facility have committed to increasing the borrowing base and elected commitments by an incremental

$500 million

to

$1,325 million

conditioned upon the closing of the Bighorn Acquisition, which is anticipated to occur in mid-April.

Operational Update

We have been operating two drilling rigs in the

Midland

Basin since the third quarter of 2021. Currently, one rig is drilling in each of

Midland

and

Irion

Counties. The

Midland County

rig is drilling a four-well pad in our Hamman project area in which we hold a 70% working interest and will average 7,200-foot laterals. The

Irion County

rig is drilling a five-well pad in our

Barnhart

project area in which we hold 100% working interest and will average ~9,900-foot laterals. Including wells in progress at year-end, we spud 26 gross / 23.3 net operated wells in 2021.

In the fourth quarter of 2021, we completed four gross (3.5 net) wells on our West Hartgrove pad in

Reagan County

where we targeted the Upper and Lower Wolfcamp B zones with average laterals of approximately 5,700 feet. We also completed three gross (2.2 net) wells on our Hamman 30 pad in

Upton County

where we targeted the Wolfcamp A and Lower Wolfcamp B zones with average laterals of approximately 4,500 feet.  Including these completions which were turned to sales during the fourth quarter, we brought online a total 19 gross / 15.4 net operated wells in 2021.

Additionally, we are completing five gross (5.0 net) wells on our Nickel Saloon pad in Upton County.  These wells targeted the Wolfcamp A, Wolfcamp B and Wolfcamp C zones with an average lateral length of approximately 10,100 feet and we expect to have these wells online in late February 2022.  There are also nine gross (8.7 net) wells that are drilled and waiting on completions in the

Midland

Basin.

The Company is focused on efficiently integrating the newly acquired Chisholm assets into our operations. This includes the two rigs currently operating on the Chisholm acreage in the northern

Delaware

Basin of

New Mexico

.  Currently, these rigs are drilling a two-well pad in our Anaconda project area in which we hold a 42% working interest and will average 10,000-foot laterals targeting the 3rd Bone Spring, and a two-well pad in our Minis project area in which we hold a 96% working interest and will average 7,500-foot laterals targeting the 3rd Bone Spring.  The first well on each pad has been drilled and is awaiting completion with the drilling of the second well on each pad expected to be finished drilling by the end of the month and with the wells expected to be online in the early fourth quarter.

There are currently two gross (1.4 net) drilled but uncompleted wells located on the Chisholm acreage and a total of five gross (3.2 net) wells turned online this year so far. These five gross wells brought online were all located in

Lea County

and targeted the 2nd and 3rd Bone Spring zones.

Year-End 2021 SEC Estimated Proved Reserves

Earthstone Stand-Alone Year-End 2021 Estimated Proved Reserves Highlights:

• Proved Reserves of 147.6 MMBoe with corresponding PV-10 of
  
  $2.02 billion
  
• Proved Reserves are 41.4% oil, 26.4% natural gas liquids, and 32.2% natural gas
• Proved Reserves are 63% Proved Developed and 37% Proved Undeveloped

As shown in the table below, the Company’s estimated proved reserves at year-end 2021, which were prepared in accordance with Securities and Exchange Commission (“SEC”) guidelines by Cawley, Gillespie & Associates, Inc. (“CGA”), an independent petroleum engineering firm, were approximately 147.6 million barrels of oil equivalent (“MMBoe”).

SEC rules require that calculations of economically recoverable reserves use the unweighted average price on the first day of the month for the prior twelve-month period. The resulting oil and natural gas prices used for the Company’s 2021 year-end reserve report, prior to adjusting for quality and basis differentials, were

$66.56

per barrel and

$3.598

per million British Thermal Units (“MMBtu”), respectively. SEC prices net of differentials were

$65.64

per barrel and

$3.01

per Mcf.

Alternative Year-End 2021 Estimated Proved Reserves at Strip Pricing

To illustrate the impact of the Chisholm Acquisition and the pending Bighorn Acquisition, Earthstone is also providing an alternative summary of estimated proved reserves.  This alternative summary as shown in the table below has been prepared in accordance with Society of Petroleum Engineers’ 2018 Petroleum Resources Management System utilizing NYMEX Strip Pricing as of

January 18, 2022

.

About Earthstone

Earthstone Energy, Inc. is a growth-oriented, independent energy company engaged in the development and operation of oil and natural gas properties. Its primary assets are located in the Permian Basin of west

Texas

. Earthstone is listed on the New York Stock Exchange under the symbol “ESTE.” For more information, visit Earthstone’s website at

www.earthstoneenergy.com.

Forward-Looking Statements

This release contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended (the “Securities Act”), and Section 21E of the Securities Exchange Act of 1934, as amended (the “Exchange Act”). Statements that are not strictly historical statements constitute forward-looking statements and may often, but not always, be identified by the use of such words such as “expects,” “believes,” “intends,” “anticipates,” “plans,” “estimates,” “forecast,” “guidance,” “target,” “potential,” “possible,” or “probable” or statements that certain actions, events or results “may,” “will,” “should,” or “could” be taken, occur or be achieved. Forward-looking statements are based on current expectations and assumptions and analyses made by Earthstone and its management in light of experience and perception of historical trends, current conditions and expected future developments, as well as other factors appropriate under the circumstances that involve various risks and uncertainties that could cause actual results to differ materially from those reflected in the statements. These risks include, but are not limited to, those set forth in Earthstone’s annual report on Form 10-K for the year ended

December 31, 2020

, quarterly reports on Form 10-Q, recent current reports on Form 8-K, and other Securities and Exchange Commission filings. Earthstone undertakes no obligation to revise or update publicly any forward- looking statements except as required by law.

Contact

Mark Lumpkin, Jr.

Executive Vice President – Chief Financial Officer

Earthstone Energy, Inc.

1400 Woodloch Forest Drive, Suite 300

The Woodlands, TX 77380

281-298-4246



[email protected]

Scott Thelander

Vice President of Finance

Earthstone Energy, Inc.

1400 Woodloch Forest Drive, Suite 300

The Woodlands, TX 77380

281-298-4246



[email protected]

Earthstone Energy, Inc.



Alternative Year-End 2021



Proved Reserves at Strip Pricing

The information presented below includes the combination of the stand-alone reserve quantities and PV-10 for Earthstone and the Chisholm and Bighorn Acquisitions as of

January 1, 2022

prepared utilizing NYMEX strip benchmark prices and basis differentials as of

January 18, 2022

.

Earthstone Energy, Inc.



Non-GAAP Financial Measure

Unaudited

The non-GAAP financial measure of PV-10, as defined and presented below, is intended to provide readers with meaningful information that supplements our financial statements prepared in accordance with accounting principles generally accepted in

the United States

(“GAAP”).

PV-10 is derived from the standardized measure of discounted future net cash flows (“Standardized Measure”), which is the most directly comparable financial measure under GAAP. PV-10 is a computation of the Standardized Measure on a pre-tax basis. PV-10 is equal to the Standardized Measure at the applicable date, before deducting future income taxes, discounted at 10%. We believe that the presentation of PV-10 is relevant and useful to investors because it presents the discounted future net cash flows attributable to our estimated net proved reserves prior to taking into account future corporate income taxes, and it is a useful measure for evaluating the relative monetary significance of our oil and natural gas properties. Further, investors may utilize the measure as a basis for comparison of the relative size and value of our reserves to other companies. We use this measure when assessing the potential return on investment related to our oil and natural gas properties. PV-10, however, is not a substitute for the Standardized Measure. Our PV-10 measure and the Standardized Measure do not purport to present the fair value of our oil and natural gas reserves.

The following table provides a reconciliation of PV-10 of the Company’s estimated proved properties to the Standardized Measure as of

December 31, 2021

and not including the assets acquired in the Chisholm Acquisition (in thousands):

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SOURCE Earthstone Energy, Inc.