Solaris Oilfield Infrastructure, Inc. (either individually or together with its
subsidiaries, as the context requires, "we," "us," "our," "Solaris Inc." or the
"Company"). The following discussion and analysis of our financial condition and
results of operations should be read in conjunction with the accompanying
financial statements and related notes. The following discussion contains
"forward-looking statements" that reflect our plans, estimates, beliefs and
expected performance. Our actual results may differ materially from those
anticipated as discussed in these forward-looking statements as a result of a
variety of risks and uncertainties, including those described above in
"Cautionary Statement Regarding Forward-Looking Statements" included elsewhere
in this Quarterly Report and "Risk Factors" included in this Quarterly Report
and the Annual Report on Form 10-K for the year ended December 31, 2020 as
updated by our subsequent filings with the United States Securities and Exchange
Commission (the "SEC"), all of which are difficult to predict. In light of these
risks, uncertainties and assumptions, the forward-looking events discussed may
not occur. We assume no obligation to update any of these forward-looking
statements except as otherwise required by law.

                                    Overview

We design and manufacture specialized equipment, which combined with field
technician support, logistics services and our software solutions, enables us to
provide a service offering that helps oil and natural gas operators and their
suppliers to drive efficiencies and reduce costs during the completion phase of
well development. The majority of our revenue is currently derived from rental
and services related to our patented mobile proppant and patent-pending water
and chemical management systems that unload, store and deliver proppant and
chemicals used in the hydraulic fracturing of oil and natural gas wells, as well
as coordinating the delivery of proppant to the well site. Our systems are
deployed in most of the active oil and natural gas basins in the United States.

Our service fleet currently consists of 158 mobile proppant management systems, 14 mobile chemical management systems and 17 mobile water management systems.



                           Recent Trends and Outlook

Demand for our products and services is predominantly influenced by the level of
oil and natural gas well drilling and completion activity, which, in turn, is
determined by the current and anticipated profitability of developing oil and
natural gas reserves.

The oil and natural gas industry continues to recover from the impacts of the
COVID-19 pandemic, which, beginning with the first quarter of 2020, drove
extreme volatility in oil and natural gas commodity prices and activity. During
this time period, WTI oil prices fell from $60 per barrel to under $20 per
barrel during the second quarter of 2020 and have recovered to over $80 per
barrel in October 2021. The Baker Hughes US Land rig count decreased 55% to 417
average rigs in 2020 from 920 average rigs in 2019. Since the start of 2021, the
Baker Hughes US Land rig count has increased 50% to 515 rigs compared to a 41%
increase in our fully utilized systems since the fourth quarter of 2020. While
our fully utilized systems are highly correlated with US land rig count activity
over longer periods, timing differences between drilling and completion activity
can result in lags of one to two quarters or longer. Further stabilization in
oil and gas prices and activity will depend on multiple factors, including the
ultimate pace of economic recovery, the success of COVID-19 vaccine rollouts,
potential regulatory changes and the resulting supply-demand balance in oil and
gas.

Recent consolidation amongst some of our E&P and oil service customers combined
with financial discipline from publicly traded energy companies has reduced
industry-wide capital spending, resulting in activity levels that remain below
pre-pandemic levels despite the recovery in commodity prices. Additionally,
consolidation can drive procurement strategy changes, which has historically
resulted in both market share gains and losses for the Company. We expect both
consolidation and financial discipline will likely continue to be important
themes for the energy industry going forward.

The Company expects capital expenditures for the full year 2021 to be approximately $20.0 million.



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                             Results of Operations

Three and Nine Months Ended September 30, 2021 Compared to Three and Nine Months
                            Ended September 30, 2020


                                      Three Months Ended                      Nine Months Ended
                                        September 30,                          September 30,
                                      2021         2020        Change        2021          2020         Change

                                              (in thousands)                          (in thousands)
Revenue
System rental                       $  16,091    $   9,197    $   6,894    $  44,063    $   40,720    $    3,343
System services                        32,990       10,855       22,135       68,317        35,231        33,086
Transloading services                      86          310        (224)          239         1,039         (800)

Inventory software services               210          169           41          621           710          (89)
Total revenue                          49,377       20,531       28,846      113,240        77,700        35,540
Operating costs and expenses:
Cost of system rental (excluding
depreciation and amortization)          2,536        1,181        1,355    

   5,704         4,018         1,686
Cost of system services
(excluding depreciation and
amortization)                          35,617       13,126       22,491       76,151        43,269        32,882
Cost of transloading services
(excluding depreciation and
amortization)                             220          243         (23)          672           783         (111)
Cost of inventory software
services (excluding depreciation
and amortization)                          87           97         (10)          289           364          (75)
Depreciation and amortization           6,842        6,594          248       20,288        20,378          (90)
Selling, general and
administrative (excluding
depreciation and amortization)          4,760        3,840          920       14,326        12,212         2,114
Impairment losses                           -            -            -            -        47,828      (47,828)
Other operating (income) expense      (2,690)        1,856      (4,546)      (2,074)         5,329       (7,403)
Total operating costs and
expenses                               47,372       26,937       20,435      115,356       134,181      (18,825)
Operating income (loss)                 2,005      (6,406)        8,411      (2,116)      (56,481)        54,365
Interest income (expense), net           (66)         (40)         (26)        (170)            36         (206)
Total other income (expense)             (66)         (40)         (26)        (170)            36         (206)
Income (loss) before income tax
expense                                 1,939      (6,446)        8,385      (2,286)      (56,445)        54,159
(Expense) benefit for income
taxes                                   (507)          843      (1,350)         (77)         8,193       (8,271)
Net income (loss)                       1,432      (5,603)        7,035      (2,363)      (48,252)        45,888
Less: net (income) loss related
to non-controlling interests            (558)        2,320      (2,878)          857        20,347      (19,490)
Net income (loss) attributable
to Solaris                          $     874    $ (3,283)    $   4,157    $ (1,506)    $ (27,905)    $   26,399




System Rental

System rental revenue increased $6.9 million, or 75%, to $16.1 million for the
three months ended September 30, 2021 compared to $9.2 million for the
three months ended September 30, 2020. System rental revenue increased $3.3
million, or 8%, to $44.1 million for the nine months ended September 30, 2021
compared to $40.7 million for the nine months ended September 30, 2020. The
changes in system rental revenue are primarily related to increases in mobile
proppant systems on a fully utilized basis, from 34 systems for the three months
ended September 30, 2020 to 59 systems for the three months ended September 30,
2021, and from 46 systems for the nine months ended September 30, 2020 to 55 for
the nine months ended September 30, 2021, in response to global oil market

volatility.

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Cost of system rental increased $1.4 million, or 115%, to $2.5 million for the
three months ended September 30, 2021 compared to $1.2 million for the
three months ended September 30, 2020, excluding depreciation and amortization
expense. Cost of system rental increased $1.7 million, or 42%, to $5.7 million
for the nine months ended September 30, 2021 compared to $4.0 million for the
nine months ended September 30, 2020, excluding depreciation and amortization
expense. Cost of system rental increased primarily due to an increase in mobile
proppant systems on a fully utilized basis. Cost of system rental as a
percentage of system rental revenue was 16% and 13% for the three months ended
September 30, 2021 and 2020, respectively and was 13% and 10% for the nine
months ended September 30, 2021 and 2020, respectively.

System Services


System services revenue increased $22.1 million, or 204%, to $33.0 million for
the three months ended September 30, 2021 compared to $10.9 million for the
three months ended September 30, 2020. System services revenue increased $33.1
million, or 94%, to $68.3 million for the nine months ended September 30, 2021
compared to $35.2 million for the nine months ended September 30, 2020. System
services revenue increased mainly due to an increase in last mile services
provided to coordinate proppant delivered into our systems, as well as an
increase in mobile proppant systems on a fully utilized basis.

Cost of system services increased $22.5 million, or 171%, to $35.6 million for
the three months ended September 30, 2021 compared to $13.1 million for the
three months ended September 30, 2020, excluding depreciation and amortization
expense. Cost of system services increased $32.9 million, or 76%, to $76.2
million for the nine months ended September 30, 2021 compared to $43.3 million
for the nine months ended September 30, 2020, excluding depreciation and
amortization expense. Cost of system services increased mainly due to an
increase in last mile services provided to coordinate proppant delivered to
systems as well as an increase in fully utilized systems. Cost of system
services as a percentage of system services revenue was 108% and 121% for the
three months ended September 30, 2021 and 2020, respectively and was 111% and
123% for the nine months ended September 30, 2021 and 2020, respectively.

Selling, General and Administrative Expenses



Selling, general and administrative expenses increased $1.0 million, or 24%, to
$4.8 million for the three months ended September 30, 2021 compared to $3.8
million for the three months ended September 30, 2020, excluding depreciation
and amortization. Selling, general and administrative expenses increased $2.1
million, or 17%, to $14.3 million for the nine months ended September 30, 2021
compared to $12.2 million for the nine months ended September 30, 2020,
excluding depreciation and amortization expense. Selling, general and
administrative expenses increased due primarily to increases in headcount and
professional fees.

Other Operating (Income) Expense



The Company qualified for federal government assistance through employee
retention credit provisions of the Consolidated Appropriations Act of 2021.
During the three and nine months ended September 30, 2021, the Company recorded
$3.1 million of employee retention credits in other income on its consolidated
income statements.  As of September 30, 2021, $1.2 million of the credits have
been received and $1.9 million is included in prepaid expenses and other current
assets on the consolidated balance sheet. The calculation of the credit is based
on employees continued employment and represents a portion of the wages paid to
them. For income tax purposes, the credit will result in decreased expense
related to the wages it offsets in the period received.

Impairment Losses


As a result of risks and uncertainties associated with volatility in global oil
markets driven by significant reductions in demand for oil due to COVID-19 and
certain actions by oil producers globally and the expected impact on our
businesses, operations, earnings and results, we recorded impairment losses and
other charges of $37.8 million, $4.2 million, $2.8 million, $2.6 million and
$0.4 million in relation to property, plant and equipment, goodwill, ROU assets,
inventories and other assets, respectively, in the nine months ended September
30, 2020. We did not record impairment losses in the three or nine months ended
September 30, 2021, respectively, nor for the three months ended September

30,
2020.

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Provision for Income Taxes

During the three months ended September 30, 2021, we recognized a combined
United States federal and state expense for income taxes of $0.5 million, a
decrease of $1.3 million as compared to the $0.8 million income tax benefit we
recognized during the three months ended September 30, 2020. During the nine
months ended September 30, 2021, we recognized a combined United States federal
and state expense for income taxes of $0.1 million, a decrease of $8.3 million
as compared to the $8.2 million income tax benefit we recognized during the nine
months ended September 30, 2020. This change was attributable to lower operating
losses. The effective combined United States federal and state income tax rates
were 26.2% and 13.1% for the three months ended September 30, 2021 and 2020,
respectively. The effective combined United States federal and state income tax
rates were 3.4% and 14.5% for the nine months ended September 30, 2021 and 2020,
respectively. The effective tax rate differed from the statutory rate primarily
due to Solaris LLC's treatment as a partnership for United States federal income
tax purposes.

                   Comparison of Non-GAAP Financial Measures

EBITDA and Adjusted EBITDA


We view EBITDA and Adjusted EBITDA as important indicators of performance. We
define EBITDA as net income, plus (i) depreciation and amortization expense,
(ii) interest expense and (iii) income tax expense, including franchise taxes.
We define Adjusted EBITDA as EBITDA plus (i) stock-based compensation expense
and (ii) certain non-cash items and any extraordinary, unusual or non-recurring
gains, losses or expenses.

EBITDA and Adjusted EBITDA should not be considered in isolation or as
substitutes for an analysis of our results of operation and financial condition
as reported in accordance with accounting standards generally accepted in the
United States ("GAAP"). Net income is the GAAP measure most directly comparable
to EBITDA and Adjusted EBITDA. EBITDA and Adjusted EBITDA should not be
considered alternatives to net income presented in accordance with GAAP. Because
EBITDA and Adjusted EBITDA may be defined differently by other companies in our
industry, our definitions of EBITDA and Adjusted EBITDA may not be comparable to
similarly titled measures of other companies, thereby diminishing their utility.

The following table presents a reconciliation of Net income to EBITDA and Adjusted EBITDA for each of the periods indicated.




                                          Three months ended                      Nine months ended
                                            September 30,                          September 30,
                                          2021         2020        Change        2021          2020         Change

                                                  (in thousands)                          (in thousands)

Net loss                                $   1,432    $ (5,603)    $   7,035    $ (2,363)    $ (48,252)    $   45,889
Depreciation and amortization               6,842        6,594          248       20,288        20,378          (90)
Interest (income) expense, net                 66           40           26

         170          (36)           206
Income taxes (1)                              507        (843)        1,350           77       (8,193)         8,270
EBITDA                                  $   8,847    $     188    $   8,659    $  18,172    $ (36,103)    $   54,275

Stock-based compensation expense (2)        1,355        1,077          278        3,907         3,732           175
Employee retention credit (3)             (2,992)            -      (2,992)

     (2,992)             -       (2,992)
Loss on disposal of assets                    (4)           38         (42)          113         1,451       (1,338)
Impairment loss                                 -            -            -            -        47,828      (47,828)
Severance expense                              41            3           38           41           542         (501)
Credit losses                                  30        1,246      (1,216)          630         2,698       (2,068)
Other write-offs (4)                            -          586        (586)            -           589         (589)
Transaction costs (5)                         385            -          385          409             -           409
Adjusted EBITDA                         $   7,662    $   3,138    $   4,524    $  20,280    $   20,737    $    (457)

(1) United States federal and state income taxes.

(2) Represents stock-based compensation expense related to restricted stock

awards.

(3) Employee retention credit as part of Consolidated Appropriations Act of 2021,


    net of administrative fees.


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(4) Write-off of prepaid and cancelled purchase orders in the three and nine

months ended September 30, 2020.

(5) Costs related to the evaluation of potential acquisitions.

Three and Nine Months Ended September 30, 2021 Compared to Three and Nine Months Ended September 30, 2020: EBITDA and Adjusted EBITDA



EBITDA increased $8.7 million to $8.8 million for the three months ended
September 30, 2021 compared to $0.2 million for the three months ended September
30, 2020. Adjusted EBITDA increased $4.5 million to $7.7 million for the
three months ended September 30, 2021 compared to $3.1 million for the three
months ended September 30, 2020. EBITDA increased $54.3 million to $18.2 million
for the nine months ended September 30, 2021 compared to ($36.1) million for the
nine months ended September 30, 2020. Adjusted EBITDA decreased $0.4 million to
$20.3 million for the nine months ended September 30, 2021 compared to $20.7
million for the nine months ended September 30, 2020. The changes in EBITDA and
Adjusted EBITDA were primarily due to the changes in revenues and expenses,

discussed above.

SYSTEM GROSS MARGIN



We view System Gross Margin as an important indicator of performance. We define
System Gross Margin as system rental and system services revenues, less the
costs of system rental and system services, excluding depreciation and
amortization, and evaluate our performance on that combined basis. System Gross
Margin should not be considered in isolation or as substitutes for an analysis
of our results of operation and financial condition as reported in accordance
with accounting standards generally accepted in the United States ("GAAP"). The
following table presents a calculation of System Gross Margin for each of the
periods indicated.


Three and Nine Months Ended September 30, 2021 Compared to Three and Nine Months Ended September 30, 2020: System Gross Margin






                                                   Three Months Ended        Nine Months Ended
                                                     September 30,            September 30,
                                                    2021         2020        2021         2020

System revenue:
System rental                                    $   16,091    $  9,197    $  44,063    $ 40,720
System services                                      32,990      10,855       68,317      35,231
Total system revenue                             $   49,081    $ 20,052    $ 112,380    $ 75,951

System operating costs and expenses:
Cost of system rental, excluding depreciation         2,536       1,181        5,704       4,018
and amortization                                 $             $           $            $
Cost of system services, excluding                   35,617      13,126       76,151      43,269
depreciation and amortization
Total system costs and expenses                  $   38,153    $ 14,307
$  81,855    $ 47,287

System gross margin                              $   10,928    $  5,745    $  30,525    $ 28,664
Average fully utilized systems                           59          34    

      55          46




                        Liquidity and Capital Resources

Overview

Our primary sources of liquidity to date have been cash flows from operations,
borrowings under our credit agreements and proceeds from equity offerings. Our
primary uses of capital have been to fund ongoing operations, capital
expenditures to support organic growth, including our fleet development and
related maintenance and fleet upgrades, repurchase shares of Class A common
stock in the open market, and pay dividends. Although no assurance

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can be given, depending upon market conditions and other factors, we may also have the ability to issue additional equity and debt if needed.


As of September 30, 2021, cash and cash equivalents totaled $42.8 million. We
have no borrowings outstanding under our 2019 Credit Agreement and have $50.0
million of available borrowing capacity. We believe that our cash on hand,
operating cash flow and available borrowings under our 2019 Credit Agreement
will be sufficient to fund our operations for at least the next 12 months.

Cash Flows

The following table summarizes our cash flows for the periods indicated:




                                                Nine Months Ended
                                                  September 30,
                                                2021          2020        Change

                                                        (in thousands)
Net cash provided by operating activities    $   11,697    $   38,010   $ (26,313)
Net cash used in investing activities          (13,625)       (2,124)     (11,501)
Net cash used in financing activities          (15,607)      (41,824)      

26,217
Net change in cash                           $ (17,535)    $  (5,938)   $ (11,597)

Significant Sources and Uses of Cash Flows

Operating Activities. Net cash provided by operating activities was $11.7 million for the nine months ended September 30, 2021, compared to net cash provided by operating activities of $38.0 million for the nine months ended September 30, 2020. The decrease of $26.3 million in operating cash flow was primarily attributable to changes in working capital.



Investing Activities. Net cash used in investing activities was $13.6 million
for the nine months ended September 30, 2021, compared to net cash used in
investing activities of $2.1 million for the nine months ended September 30,
2020. The increase in investing activities of $11.5 million is primarily due to
capital expenditures related to enhancements to our fleet and for new
technologies.

Financing Activities. Net cash used in financing activities of $15.6 million for
the nine months ended September 30, 2021 was primarily related to quarterly
dividends of $14.4 million and $0.7 million of payments related to vesting of
stock-based compensation. Net cash used in financing activities of $41.8 million
for the nine months ended September 30, 2020 was primarily related to $26.7
million of share repurchases and quarterly dividends of $14.3 million.

                                Capital Sources

Senior Secured Credit Facility

See Note 4. "Debt" to our condensed consolidated financial statements as of September 30, 2021, for a discussion of our senior secured credit facility.



                            Contractual Obligations

We had no material changes in our contractual commitments and obligations during
the three months ended September 30, 2021 from the amounts listed under Part II,
Item 7, "Management's Discussion and Analysis of Financial Condition and Results
of Operations-Contractual Obligations" in the Company's Annual Report on Form
10-K for the year ended December 31, 2020, as filed with the SEC on February 23,
2021. See Note 4 "Debt" and Note 8 "Commitments and Contingencies" to our
condensed consolidated financial statements for additional information.

                   Critical Accounting Policies and Estimates

We had no material changes in our critical accounting policies and estimates
during the three months ended September 30, 2021 from the amounts listed under
Part II, Item 7 "Management's Discussion and Analysis of Financial

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Condition and Results of Operations-Critical Accounting Policies and Estimates"
in the Company's Annual Report on Form 10-K for the year ended December 31, 2020
for additional information.

                        Recent Accounting Pronouncements

Recently Adopted Accounting Standards

None.

Recently Issued Accounting Standards

See Note 2. "Summary of Significant Accounting Policies - Recently Issued Accounting Standards" to our condensed consolidated financial statements as of September 30, 2021, for a discussion of recently issued accounting standards.


Under the Jumpstart Our Business Startups Act (the "JOBS Act"), we meet the
definition of an "emerging growth company," which allows us to have an extended
transition period for complying with new or revised accounting standards
pursuant to Section 107(b) of the JOBS Act, however, we elected to opt out of
such exemption (this election is irrevocable).

                         Off Balance Sheet Arrangements

We have no material off balance sheet arrangements. As such, we are not materially exposed to any financing, liquidity, market or credit risk that could arise if we had engaged in such financing arrangements.

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