Unless the context otherwise indicates or requires, as used in this Quarterly
Report on Form 10-Q, the terms "we," "our," "us," "ADS" and the "Company" refer
to Advanced Drainage Systems, Inc. and its directly- and indirectly-owned
subsidiaries as a combined entity, except where it is clear that the terms mean
only Advanced Drainage Systems, Inc. exclusive of its subsidiaries.

Our fiscal year begins on April 1 and ends on March 31. Unless otherwise noted,
references to "year" pertain to our fiscal year. For example, 2021 refers to
fiscal 2021, which is the period from April 1, 2020 to March 31, 2021.

The following discussion and analysis of the financial condition and results of
our operations should be read in conjunction with our Condensed Consolidated
Financial Statements and related footnotes included elsewhere in this Quarterly
Report on Form 10-Q and with the audited Consolidated Financial Statements
included in our Fiscal 2020 Form 10-K, as filed with the Securities and Exchange
Commission (the "SEC") on June 1, 2020. In addition to historical condensed
consolidated financial information, the following discussion contains
forward-looking statements that reflect our plans, estimates and beliefs. Our
actual results could differ materially from those discussed in the
forward-looking statements. This discussion contains forward-looking statements
that are based on the beliefs of our management, as well as assumptions made by,
and information currently available to, our management. Our actual results could
differ materially from those discussed in the forward-looking statements. For
more information, see the section below entitled "Forward Looking Statements."

We consolidate our joint ventures for purposes of GAAP, except for our South American Joint Venture.



Overview

We are the leading global manufacturer of water management products and
solutions for non-residential, residential, infrastructure and agricultural
applications. With the acquisition of Infiltrator Water Technologies in the
second quarter of fiscal 2020, we are now a leading provider of plastic leach
field chambers, septic tanks and accessories, for use primarily in residential
applications.

Impact of COVID-19

In March 2020, the World Health Organization categorized the novel coronavirus
("COVID-19") as a pandemic, and it continues to spread throughout the United
States and globally. The COVID-19 pandemic has resulted, and is likely to
continue to result, in significant economic disruptions and may have an adverse
effect on our business. Significant uncertainty exists concerning the magnitude
of the impact and duration of the COVID-19 pandemic. While our production
facilities are operating as essential businesses, the Company continues to
assess the potential effects and may experience future impacts such as reduced
operations or temporarily closing facilities.

Executive Summary

Second Quarter Fiscal 2021 Results

• Net sales increased 9.7% to $544.2 million

• Net income of $80.6 million, compared to $8.5 million in the prior year

• Adjusted EBITDA, a non-GAAP measure, increased 47.3% to $174.1 million




Net sales increased $48.3 million, or 9.7%, to $544.2 million, as compared to
$495.9 million in the prior year. Domestic pipe sales increased $10.7 million,
or 3.8%, to $292.1 million. Domestic allied products & other sales increased
$3.6 million, or 3.2%, to $118.0 million. These increases were driven by sales
growth in the U.S. construction end markets. Infiltrator Water Technologies
sales increased $41.1 million, or 63.3%, to $106.0 million, as compared to $64.9
million in the prior year.

Gross profit increased $59.3 million, or 40.5%, to $205.9 million as compared to $146.5 million in the prior year. The increase is primarily due to the incremental benefit from the acquisition of Infiltrator Water Technologies,


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favorable material cost, leverage from sales growth in both pipe and allied product sales and operational improvements offsetting inflationary costs.

Adjusted EBITDA, a non-GAAP measure, increased $55.9 million, or 47.3%, to $174.1 million, as compared to $118.2 million in the prior year. The increase is primarily due to the factors mentioned above. As a percentage of net sales, Adjusted EBITDA was 32.0% as compared to 23.8% in the prior year.

Year-to-Date Fiscal 2021 Results

• Net sales increased 15.7% to $1.1 billion

• Net income increased to $151.3 million, compared to a net loss of $219.0

million in the prior year

• Adjusted EBITDA, a non-GAAP measure, increased 68.1% to $333.5 million

• Cash provided by operating activities increased 66.7% to $286.2 million

• Free cash flow, a non-GAAP measure, increased 76.1% to $257.2 million




Net sales increased $143.2 million, or 15.7%, to $1.053 billion, as compared to
$909.6 million in the prior year. Domestic pipe sales increased $22.2 million,
or 4.1%, to $565.8 million. Domestic allied products & other sales increased
$8.4 million, or 3.7%, to $234.9 million. These increases were driven by growth
in both the U.S. construction and agriculture end markets. Infiltrator Water
Technologies sales increased $143.3 million, or 220.8%, to $208.1 million, as
compared to $64.9 million in the prior year.

Gross profit increased $310.0 million to $394.4 million as compared to $84.4
million in the prior year. The prior year gross profit includes $168.6 million
of ESOP special dividend compensation expense. The remaining increase is
primarily due to the acquisition of Infiltrator Water Technologies, favorable
material cost, an increase in operational efficiency and increases in both pipe
and allied product sales.

Adjusted EBITDA, a non-GAAP measure, increased $135.1 million, or 68.1%, to $333.5 million, as compared to $198.5 million in the prior year. The increase is primarily due to the factors mentioned above. As a percentage of net sales, Adjusted EBITDA was 31.7% as compared to 21.8% in the prior year.


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Results of Operations

Comparison of the Three Months ended September 30, 2020 to the Three Months ended September 30, 2019

The following table summarizes our operating results as a percentage of net sales that have been derived from our Condensed Consolidated Financial Statements for the periods presented. We believe this presentation is useful to investors in comparing historical results.





                                                   For the Three Months Ended September 30,
                                                       2020                           2019
Consolidated Statements of Operations             (In thousands)                 (In thousands)
data:
Net sales                                  $    544,187            100.0 %   $ 495,905         100.0 %
Cost of goods sold                              338,330             62.2       349,381          70.5
Gross profit                                    205,857             37.8       146,524          29.5
Selling expenses                                 30,586              5.6        29,971           6.0
General and administrative expenses              35,115              6.5        48,030           9.7
Loss on disposal of assets and costs
from exit and
  disposal activities                               627              0.1         2,004           0.4
Intangible amortization                          17,955              3.3         9,300           1.9
Income (loss) from operations                   121,574             22.3        57,219          11.5
Interest expense                                  9,360              1.7        52,332          10.6
Derivative gains (loss) and other income
(expense), net                                     (151 )              -           175             -
Income (loss) before income taxes               112,365             20.6         4,712           1.0
Income tax expense (benefit)                     31,827              5.8        (3,547 )        (0.7 )
Equity in net income of unconsolidated
affiliates                                          (67 )              -          (203 )           -
Net income (loss)                                80,605             14.8         8,462           1.7
Less: net income (loss) attributable to
noncontrolling interest                             369              0.1           873           0.2
Net income (loss) attributable to ADS      $     80,236             14.7 %   $   7,589           1.5 %




Net sales - Net sales increased by $48.3 million, or 9.7%, for the three months
ended September 30, 2020 compared to the three months ended September 30, 2019.



                                                               Three Months Ended
                                     September 30, 2020                                   September 30, 2019
                                                           Net Sales                                            Net Sales
                                      Intersegment       from External                     Intersegment       from External
                      Net Sales         Net Sales          Customers       Net Sales         Net Sales          Customers
Pipe                  $  292,133     $        (1,637 )   $     290,496     $  281,405     $          (342 )   $     281,063
Infiltrator Water
Technologies             105,986             (18,692 )          87,294         64,889             (12,189 )          52,700
International
International - Pipe      35,592                (896 )          34,696         34,617                   -            34,617
International -
Allied Products &
Other                     13,706                   -            13,706         13,167                   -            13,167
Total International       49,298                (896 )          48,402         47,784                   -            47,784
Allied Products &
Other                    117,995                   -           117,995        114,358                   -           114,358
Intersegment
Eliminations             (21,225 )            21,225                 -        (12,531 )            12,531                 -
Total Consolidated    $  544,187     $             -     $     544,187     $  495,905     $             -     $     495,905

• Pipe net sales to all customers for the three months ended September 30,


        2020 increased by $10.7 million, or 3.8%, compared to the three months
        ended September 30, 2019. The increase was due to an increase in pipe
        volume resulting in a $10.5 million increase in sales.


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Infiltrator Water Technologies net sales to all customers increased $41.1

million for the three months ended September 30, 2020 compared to the

three months ended September 30, 2019. The Company acquired Infiltrator


        Water Technologies on July 31, 2019 and therefore did not report any
        Infiltrator Water Technologies sales for the month of July 2019.


    •   International net sales for the three months ended September 30, 2020
        increased by $1.5 million, or 3.2%, compared to the three months ended
        September 30, 2019. The increase was primarily attributable to a $1.0

million increase in International Pipe Sales and a $0.5 million increase

in International Allied Product sales.

• Allied Products & Other net sales for the three months ended September 30,

2020 increased by $3.6 million, or 3.2%, compared to the three months

ended September 30, 2019. The increase was due to an increase in price and

product mix and an increase in sales volume.




Cost of goods sold and Gross profit - Cost of goods sold decreased by $11.1
million, or 3.2%, and gross profit increased by $59.3 million, or 40.5%, in the
three months ended September 30, 2020 over the comparable period in the previous
year. Gross profit excluding Infiltrator Water Technologies, referred to as
Legacy ADS gross profit, a Non-GAAP measure, increased 24.4%.



                                             For the Three Months Ended
                                                    September 30,
                                              2020                2019          $ Variance       % Variance
                                                   (In thousands)
Pipe                                       $    82,944         $    59,103     $     23,841             40.3 %
International                                   13,260               9,247            4,013             43.4
Allied Products & Other                         59,335              56,653            2,682              4.7
Legacy ADS gross profit                        155,539             125,003           30,536             24.4
Infiltrator Water Technologies                  49,946              22,499           27,447            122.0
Intersegment eliminations                          372                (978 )          1,350           (138.0 )
Total gross profit                         $   205,857         $   146,524     $     59,333             40.5 %

• Pipe gross profit increased primarily due to lower costs in material,

labor and overhead. The increase was also attributable to the increase in

volume sold discussed above.

• The Company acquired Infiltrator Water Technologies on July 31, 2019 and

therefore did not report any Infiltrator Water Technologies gross profit

for the month of July 2019.

• International gross profit increased primarily due to the increased sales

discussed above and lower costs of materials.

• Allied Products & Other gross profit increased primarily due to the


        increase in net sales discussed above and lower labor and overhead costs.


Operating expenses

                                                 Three Months Ended
                                                    September 30,
                                                 2020           2019
Selling expenses                                     5.6 %         6.0 %
General and administrative expenses                  6.5 %         9.7 %

Selling, general and administrative expenses 12.1 % 15.7 %




Selling expenses - As a percentage of net sales, selling expenses decreased to
5.6% in the three months ended September 30, 2020 compared to 6.0% in the three
months ended September 30, 2019. The decrease as a percentage of net sales is
the result of the Company's cost mitigation steps.

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General and administrative expenses - General and administrative expenses for
the three months ended September 30, 2020 decreased $12.9 million from the prior
year period. The decrease was primarily due to a $15.9 million decrease in
transaction costs due to the Infiltrator Water Technologies acquisition.

Loss on disposal of assets and costs from exit and disposal activities - The
decrease in Loss on disposal of assets and costs from exit and disposal
activities is primarily due to asset disposals in fiscal 2020. See "Note 2. Loss
on Disposal of Assets and Costs from Exit and Disposal Activities" for
additional discussion.

Intangible amortization - Intangible amortization increased primarily due to the
addition of intangible assets related to the acquisition of Infiltrator Water
Technologies.

Interest expense - Interest expense decreased $43.0 million in the three months
ended September 30, 2020 compared to the same period in the previous fiscal
year. The decrease was primarily due to $33.2 million of the write-off of
deferred financing costs and $4.2 million prepayment penalty related to the
extinguishment of debt instruments in the three months ended September 30, 2019.
The remainder of the decrease is due to decreased debt levels.

Derivative gain (loss) and other income (expense), net - Derivative gain (loss)
and other income (expense) increased by $0.3 million for the three months ended
September 30, 2020 compared to the same period in the previous fiscal year.

Income tax expense (benefit) - The following table presents the effective tax rates for the three months ended September 30, 2020 and 2019.



                       Three Months Ended
                          September 30,
                       2020           2019
Effective tax rate        28.3 %       (75.3 )%

The change in the effective tax rate was primarily due to the Acquisition. See "Note 13. Income Taxes" for additional information.



Equity in net income of unconsolidated affiliates - Equity in net income of
unconsolidated affiliates represents our proportionate share of income or loss
attributed to our unconsolidated joint venture in which we have significant
influence, but not control, over operations. The Equity in net income loss of
unconsolidated affiliates decreased for the three months ended September 30,
2020 as compared to the same period in the previous fiscal year due to a
decrease in the current period income at our South American Joint Venture.

Net income attributable to noncontrolling interest - Net income attributable to
noncontrolling interest decreased for three months ended September 30, 2020 due
to a net income at our ADS Mexicana joint venture.

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Comparison of the Six Months ended September 30, 2020 to the Six Months ended September 30, 2019

The following table summarizes our operating results as a percentage of net sales that have been derived from our Condensed Consolidated Financial Statements for the periods presented. We believe this presentation is useful to investors in comparing historical results.





                                                   For the Six Months Ended September 30,
                                                      2020                          2019
Consolidated Statements of Operations            (In thousands)                (In thousands)
data:
Net sales                                  $  1,052,826         100.0 %   $  909,613         100.0 %
Cost of goods sold                              658,466          62.5        656,637          72.2
Cost of goods sold - ESOP special
dividend compensation                                 -             -        168,610          18.5
Gross profit                                    394,360          37.5         84,366           9.3
Selling                                          58,746           5.6         56,336           6.2
General and administrative                       68,731           6.5         79,463           8.7
Selling, general and administrative -
ESOP special dividend compensation                    -             -         78,142           8.6
Loss on disposal of assets and costs
from exit and
  disposal activities                             2,274           0.2          2,711           0.3
Intangible amortization                          35,937           3.4         10,842           1.2
Income (loss) from operations                   228,672          21.7       (143,128 )       (15.7 )
Interest expense                                 19,330           1.8         57,596           6.3
Derivative gains (loss) and other income
(expense), net                                     (718 )        (0.1 )           79             -
Income (loss) before income taxes               210,060          20.0       (200,803 )       (22.1 )
Income tax expense (benefit)                     59,027           5.6         18,823           2.1
Equity in net income of unconsolidated
affiliates                                         (240 )           -           (637 )        (0.1 )
Net income (loss)                               151,273          14.4       (218,989 )       (24.1 )
Less: net income (loss) attributable to
noncontrolling interest                             571             -           (222 )           -

Net income (loss) attributable to ADS $ 150,702 14.3 % $ (218,767 ) (24.1 )%




Net sales - Net sales increased by $143.2 million, or 15.7%, for the six months
ended September 30, 2020 compared to the six months ended September 30, 2019.

                                                                   Six Months Ended
                                       September 30, 2020                                     September 31, 2019
                                                           Net Sales from                                         Net Sales from
                                        Intersegment          External                         Intersegment          External
                        Net Sales         Net Sales          Customers         Net Sales         Net Sales          Customers
Pipe                   $   565,785     $        (3,482 )   $      562,303

$ 543,586 $ (342 ) $ 543,244 Infiltrator Water Technologies

               208,139             (36,760 )          171,379          64,889             (12,189 )           52,700

International


International - Pipe        62,542                (896 )           61,646          63,902                   -             63,902
International - Allied
Products & Other            22,585                   -             22,585          23,216                   -             23,216
Total International         85,127                (896 )           84,231          87,118                   -             87,118
Allied Products &
Other                      234,913                   -            234,913         226,551                   -            226,551
Intersegment
Eliminations               (41,138 )            41,138                  -         (12,531 )            12,531                  -
Total Consolidated     $ 1,052,826     $             -     $    1,052,826     $   909,613     $             -     $      909,613

• Pipe net sales to all customers for the six months ended September 30,

2020 increased by $22.2 million, or 4.1%, compared to the six months ended

September 30, 2019. The increase was due to an increase in pipe


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volume resulting in a $27.7 million increase in sales partially offset by

a $5.7 million decrease as a result of price and product mix.

Infiltrator Water Technologies net sales to all customers for the six

months ended September 30, 2020 increased by $143.3 million compared to

the six months ended September 30, 2019. The Company acquired Infiltrator


        Water Technologies on July 31, 2019 and therefore did not report any
        Infiltrator Water Technologies sales prior to August 2019.

• International net sales for the six months ended September 30, 2020

decreased by $2.0 million, or 2.3%, compared to the six months ended

September 30, 2019. The decrease was primarily attributable to a $1.4

million decrease in International Pipe Sales, attributable to volume

decreases, and a $0.6 million decrease in International Allied Product

sales.

• Allied Products & Other net sales for the six months ended September 30,


        2020 increased by $8.4 million, or 3.7%, compared to the six months ended
        September 30, 2019. The increase was due to an increase in price and
        product mix and an increase in sales volume.


Cost of goods sold and Gross profit - Cost of goods sold increased by $1.8
million, or 0.3%, and gross profit increased by $310.0 million, or 367.4%, in
the six months ended September 30, 2020 over the comparable period in the
previous year. The increase in gross profit was primarily due to the ESOP
special dividend compensation expense from the special dividend in fiscal 2020
of $168.6 million allocated to Cost of goods sold. Gross profit excluding
Infiltrator Water Technologies and Cost of goods sold - ESOP special dividend
compensation, referred to as Legacy ADS gross profit, a Non-GAAP measure,
increased 29.5%.

                                             For the Six Months Ended
                                                  September 30,
                                              2020             2019          $ Variance       % Variance
                                                  (In thousands)
Pipe                                       $  157,639       $   101,561     $     56,078             55.2 %
International                                  23,367            16,963            6,404             37.8
Allied Products & Other                       118,663           112,931            5,732              5.1
Legacy ADS gross profit                       299,669           231,455           68,214             29.5
Infiltrator Water Technologies                 94,677            22,499           72,178            320.8
Cost of goods sold - ESOP special
dividend compensation                               -          (168,610 )        168,610            100.0
Intersegment eliminations                          14              (978 )            992            100.0
Total gross profit                         $  394,360       $    84,366     $    309,994            367.4 %

• Pipe gross profit increased primarily due to lower costs in material,

labor and overhead. The increase was also attributable to the increase in


        volume sold, offset by the decrease in the price and product mix of net
        sales discussed above.

• The Company acquired Infiltrator Water Technologies on July 31, 2019 and

therefore did not report any Infiltrator Water Technologies gross profit

prior to August 2019.

• International gross profit increased primarily due to lower cost of

materials offset by the decreased sales discussed above.

• Allied Products & Other gross profit increased primarily due to the

increase in net sales discussed above and lower labor and overhead costs.




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Operating expenses

                                                            For the Six

Months Ended September 30,


                                                               2020                         2019
Selling expenses                                                       5.6 %                        6.2 %
General and administrative expenses                                    6.5 %                        8.7 %
Selling, general and administrative expenses                          12.1 %                       14.9 %


Selling expenses - As a percentage of net sales, selling expenses decreased to
5.6% in the six months ended September 30, 2020 compared to 6.2% in the six
months ended September 30, 2019. The decrease as a percentage of net sales is
the result of the Company's cost mitigation steps.

General and administrative expenses - General and administrative expenses for
the six months ended September 30, 2020 decreased $10.7 million from the prior
year period. The decrease was primarily due to a $19.5 million decrease in
transaction costs. The decrease was offset by a $7.4 million increase in general
and administrative expenses, including stock-based compensation, reported at
Infiltrator Water Technologies.

Selling, general and administrative - ESOP special dividend compensation - In
fiscal 2019, ESOP special dividend compensation expense of $78.1 million was
allocated to selling, general and administrative expenses.

Loss on disposal of assets and costs from exit and disposal activities - The
decrease in Loss on disposal of assets and costs from exit and disposal
activities is primarily due to asset disposals in fiscal 2020. See "Note 2. Loss
on Disposal of Assets and Costs from Exit and Disposal Activities" for
additional discussion.

Intangible amortization - Intangible amortization increased primarily due the
addition of intangible assets related to the acquisition of Infiltrator Water
Technologies.

Interest expense - Interest expense decreased $38.3 million in the six months
ended September 30, 2020 compared to the same period in the previous fiscal
year. The decrease was primarily due to $33.2 million of the write-off of
deferred financing costs and $4.2 million prepayment penalty related to the
extinguishment of debt instruments in the six months ended September 30, 2019.
The remainder of the decrease is due to decreased debt levels.

Derivative gain (loss) and other income (expense), net - Derivative gain (loss)
and other income (expense) increased by $0.8 million for the six months ended
September 30, 2020 compared to the same period in the previous fiscal year.

Income tax expense (benefit) - The following table presents the effective tax rates for the six months ended September 30, 2020 and 2019.



                         For the Six Months Ended September 30,
                            2020                         2019
Effective tax rate                 28.1 %                       (9.4 )%


The change in the effective tax rate was primarily due to a discrete income tax
event related to stock appreciation from the additional ESOP shares allocated
and the Acquisition. See "Note 13. Income Taxes" for additional information.

Equity in net (income) loss of unconsolidated affiliates - Equity in net
(income) loss of unconsolidated affiliates represents our proportionate share of
income or loss attributed to our unconsolidated joint venture in which we have
significant influence, but not control, over operations. The Equity in net
(income) loss of unconsolidated affiliates decreased for the six months ended
September 30, 2020 as compared to the same period in the previous fiscal year
due to a decrease in the current period income at our South American Joint
Venture.

Net income attributable to noncontrolling interest - Net income attributable to
noncontrolling interest increased for the six months ended September 30, 2020
due to a net income at our ADS Mexicana joint venture.

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Adjusted EBITDA and Adjusted EBITDA Margin - Adjusted EBITDA and Adjusted EBITDA
Margin, which are non-GAAP financial measures, have been presented in this
Quarterly Report on Form 10-Q as supplemental measures of financial performance
that are not required by, or presented in accordance with GAAP and should not be
considered as alternatives to net income as measures of financial performance or
cash flows from operations or any other performance measure derived in
accordance with GAAP. We calculate Adjusted EBITDA as net income (loss) before
interest, income taxes, depreciation and amortization, stock-based compensation
expense, non-cash charges and certain other expenses. We calculate Adjusted
EBITDA Margin as Adjusted EBITDA divided by net sales.

Adjusted EBITDA and Adjusted EBITDA Margin are included in this Form 10-Q
because they are key metrics used by management and our board of directors to
assess our consolidated financial performance. These non-GAAP financial measures
are frequently used by analysts, investors and other interested parties to
evaluate companies in our industry. In addition to covenant compliance and
executive performance evaluations, we use these non-GAAP financial measures to
supplement GAAP measures of performance to evaluate the effectiveness of our
consolidated business strategies, to make budgeting decisions and to compare our
performance against that of other peer companies using similar measures. We use
Adjusted EBITDA Margin to evaluate our ability to generate profitable sales.

Adjusted EBITDA and Adjusted EBITDA Margin contain certain other limitations,
including the failure to reflect our cash expenditures, cash requirements for
working capital needs, cash expenditures to replace assets being depreciated and
amortized and interest expense, or the cash requirements necessary to service
interest on principal payments on our indebtedness. In evaluating Adjusted
EBITDA and Adjusted EBITDA Margin, you should be aware that in the future we
will incur expenses that are the same as or similar to some of the adjustments
in this presentation, such as stock-based compensation expense, derivative fair
value adjustments, and foreign currency transaction losses. Management
compensates for these limitations by relying on our GAAP results and using
non-GAAP measures on a supplemental basis.

The following table presents a reconciliation of Adjusted EBITDA to Net income, the most comparable GAAP measure, for each of the periods presented.





                                             Three Months Ended            Six Months Ended
                                                September 30,               September 30,
                                             2020          2019          2020           2019
                                               (In thousands)               (In thousands)
Net income (loss)                          $  80,605     $   8,462     $ 151,273     $ (218,989 )
Depreciation and amortization                 35,778        26,566        71,559         43,260
Interest expense                               9,360        52,332        19,330         57,596
Income tax expense                            31,827        (3,547 )      59,027         18,823
EBITDA                                       157,570        83,813       301,189        (99,310 )
Loss on disposal of assets and costs
from exit
  and disposal activities                        627         2,004         2,274          2,711
ESOP and stock-based compensation
expense                                       14,626         8,657        27,088         16,082
ESOP special dividend compensation(a)              -             -             -        246,752
Transaction costs(b)                             718        16,590         1,374         20,835
Inventory step up related to the
Acquisition                                        -         5,773             -          5,773
Strategic growth and operational
  improvement initiatives(c)                     361           701         2,116          2,896
COVID-19 related costs(d)                        242             -           806              -
Other adjustments(e)                             (70 )         626        (1,303 )        2,721
Adjusted EBITDA                            $ 174,074     $ 118,164     $ 333,544     $  198,460
Adjusted EBITDA Margin                          32.0 %        23.8 %        31.7 %         21.8 %


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(a) In the first quarter of fiscal 2020, the Company paid a special dividend of

$1.00 per share. The dividend was used to pay back a portion of the ESOP

loan resulting in $246.8 million in additional stock-based compensation. See


     "Note 9. Net Income Per Share and Stockholders' Equity" for additional
     information.


(b)  Represents expenses recorded related to legal, accounting and other

professional fees incurred in connection with business or asset acquisitions


     and dispositions.


(c)  Represents professional fees incurred in connection with our strategic

growth and operational improvement initiatives, which include various market


     feasibility assessments and acquisition strategies, along with our
     operational improvement initiatives, which include evaluation of our
     manufacturing network and improvement initiatives.

(d) Includes expenses directly related to our response to the COVID-19 pandemic,

including adjustments to our pandemic pay program and expenses associated

with our third party crisis management vendor.

(e) Includes derivative fair value adjustments, foreign currency transaction

(gains) losses, the proportionate share of interest, income taxes,

depreciation and amortization related to the South American Joint Venture,

which is accounted for under the equity method of accounting and executive


     retirement expense. The other adjustments in fiscal 2020 also includes
     expenses related to the ADS Mexicana's investigation.




The following table presents our Adjusted EBITDA for the Company prior to the
Acquisition ("Legacy ADS"), which consists of the combination of the Segment
Adjusted Gross Profit for Pipe, Allied Products & Other, and International plus
the portion of corporate and selling expenses which impacts Adjusted EBITDA and
Infiltrator Water Technologies prior to the Acquisition ("Legacy Infiltrator
Water Technologies"), which consists of the combination of the Segment Adjusted
Gross Profit for Infiltrator Water Technologies plus the portion of corporate
and selling expenses which impacts Adjusted EBITDA.

                                             Three Months Ended           Six Months Ended
                                                September 30,               September 30,
                                             2020          2019          2020          2019
                                               (In thousands)              (In thousands)
Legacy ADS Adjusted EBITDA
Pipe Adjusted Gross Profit                 $ 100,496     $  74,246     $ 191,095     $ 131,739
International Adjusted Gross Profit           14,582        10,841        25,990        20,068
Allied Products & Other Adjusted Gross
Profit                                        60,380        57,621       120,848       114,808
Unallocated corporate and selling
expenses                                     (48,449 )     (48,621 )     (93,093 )     (92,232 )
Legacy ADS Adjusted EBITDA                 $ 127,009     $  94,087     $ 244,840     $ 174,383
Legacy Infiltrator Water Technologies
Adjusted EBITDA
Infiltrator Water Technologies Adjusted
Gross Profit                                  53,105        30,144       101,033        30,144
Unallocated corporate and selling
expenses                                      (6,600 )      (5,089 )     (12,531 )      (5,089 )
Legacy Infiltrator Water Technologies
Adjusted EBITDA                            $  46,505     $  25,055     $  88,502     $  25,055
Intersegment eliminations                        560          (978 )         202          (978 )
Consolidated Adjusted EBITDA               $ 174,074     $ 118,164     $ 333,544     $ 198,460

Liquidity and Capital Resources



Historically we have funded our operations through internally generated cash
flow supplemented by debt financings, equity issuance and finance and operating
leases. These sources have been sufficient historically to fund our primary
liquidity requirements, including working capital, capital expenditures, debt
service and dividend payments for our convertible preferred stock and common
stock. From time to time, we may explore additional financing methods and other
means to raise capital. There can be no assurance that any additional financing
will be available to us on acceptable terms or at all.

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The following table presents key liquidity metrics utilized by management. The
table includes the Non-GAAP measure, Free Cash Flow, which is further discussed
and defined below, and Leverage ratio which is calculated as the trailing twelve
months Adjusted EBITDA divided by net debt.

                                                     Six Months Ended
                                                       September 30,
(Amounts in thousands)                              2020          2019

Net cash provided by operating activities $ 286,168 $ 171,711 Capital expenditures

                                (28,959 )     (25,622 )
Free Cash Flow                                      257,209       146,089

Total debt (debt and finance lease obligations) 948,863 Cash

                                                203,883
Net debt (total debt less cash)                     744,980
Leverage Ratio                                          1.5


Free Cash Flow - Free cash flow is a non-GAAP financial measure that comprises
cash flow from operations less capital expenditures. Free cash flow is a measure
used by management and our Board of Directors to assess our ability to generate
cash. Accordingly, free cash flow has been presented in this Quarterly Report on
Form 10-Q as a supplemental measure of liquidity that is not required by, or
presented in accordance with GAAP, because management believes that free cash
flow provides useful information to investors and others in understanding and
evaluating our ability to generate cash flow from operations after capital
expenditures.

Free cash flow is not a GAAP measure of our liquidity and should not be
considered as an alternative to cash flow from operating activities as a measure
of liquidity or any other liquidity measure derived in accordance with GAAP. Our
measure of free cash flow is not necessarily comparable to other similarly
titled captions of other companies due to different methods of calculation.

Net cash provided by operating activities increased $114.5 million to $286.2
million, as compared to $171.7 million in the prior year, primarily due to
improvements in profitability and lower cash transaction costs for the
Infiltrator Water Technologies acquisition. Free cash flow (Non-GAAP) increased
$111.1 million to $257.2 million, as compared to $146.1 million in the prior
year. Net debt (total debt and finance lease obligations net of cash) was $745.0
million as of September 30, 2020.

The following table summarizes our available liquidity for the periods presented
.

(Amounts in thousands)          September 30, 2020
Revolver capacity              $            350,000
Less: outstanding borrowings                      -
Less: letters of credit                      11,005
Revolver available liquidity   $            338,995


In addition to the available liquidity above, we have the ability to borrow up to $1.3 billion under our Term Loan Facility, subject to leverage ratio restrictions.

Working Capital and Cash Flows



As of September 30, 2020, we had $542.9 million in liquidity, including
$203.9 million of cash, $339.0 million in borrowings available under our
Revolving Credit Agreement, net of $11.0 million of outstanding letters of
credit. We believe that our cash on hand, together with the availability of
borrowings under our new Credit Agreement and other financing arrangements and
cash generated from operations, will be sufficient to meet our working capital
requirements, anticipated capital expenditures, scheduled principal and interest
payments on our indebtedness and the dividend payment requirement for our
convertible preferred stock for at least the next twelve months.

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Working Capital - Working capital decreased to $418.1 million as of September
30, 2020, from $428.0 million as of March 31, 2020. The decrease in working
capital is primarily due to decreased inventory and increased accounts payable
and other current liabilities. These decreases were offset by increased cash and
accounts receivable.

                                                           Six Months Ended
                                                             September 30,
(Amounts in thousands)                                   2020            2019
Net cash provided by operating activities             $  286,168     $    

171,711


Net cash used in investing activities                    (28,504 )     

(1,114,355 ) Net cash (used in) provided by financing activities (227,793 ) 988,137

Operating Cash Flows - Cash flows from operating activities during the six months ended September 30, 2020 was primarily impacted by improved profitability and lower cash transaction costs for the Infiltrator Water Technologies acquisition.



Investing Cash Flows - Capital expenditures during the six months ended
September 30, 2020 increased by $3.3 million compared to the same period in
fiscal 2020. The net cash used in investing activities were primarily due to the
acquisition of Infiltrator Water Technologies in fiscal 2020. Our capital
expenditures for the six months ended September 30, 2020 were used primarily for
new equipment and operational efficiency and productivity projects.

Capital expenditures totaled $29.0 million and $25.6 million for the six months
ended September 30, 2020 and 2019, respectively. Infiltrator Water Technologies
capital expenditures for the six months ended September 30, 2020 was $18.0
million of our total capital expenditures. Our capital expenditures for the six
months ended September 30, 2020 were used primarily to support facility
expansions, equipment replacements, our recycled resin and technology
improvement initiatives.

We currently anticipate that we will make capital expenditures of approximately
$80 to $90 million in fiscal year 2021. Such capital expenditures are expected
to be financed using funds generated by operations. As of September 30, 2020,
there were no material contractual obligations or commitments related to these
planned capital expenditures.

Financing Cash Flows - During the six months ended September 30, 2020, cash used
in financing activities included the repayment of $103.5 million on the Term
Loan Facility, the repayment of $100.0 million on the Revolving Credit Facility,
quarterly dividend payments of $15.4 million and payments on our finance lease
obligations of $12.2 million.

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During the six months ended September 30, 2019, cash provided by financing
activities was $988.1 million due to the new Term Loan Facility, Senior Notes
and common stock offering. These cash inflows were offset by the repayment of
the Company's Second Amended and Restated Credit Agreement (the "PNC Credit
Agreement") and Prudential Senior Notes, the special and quarterly dividend
payments of $76.3 million and payments on our finance lease obligations of $12.3
million. The table below summarizes the cash flows from the Acquisition, and the
related debt and equity transactions:

(Amounts in thousands)                             Sources           Uses
Bridge Loan Facility                             $ 1,300,000     $          -
Bridge Revolver                                      145,000                -
PNC Credit Agreement draw                            104,429                -
Prudential Senior Notes payoff                             -         (104,429 )
PNC Credit Agreement payoff                                -         (239,240 )
Acquisition of Infiltrator Water Technologies,
 fair value of consideration transferred                   -       (1,146,526 )
Common stock offering, net of offering costs         293,648                -
Bridge Loan Facility - payment                             -         (300,000 )
Proceeds from Senior Notes Issuance                  350,000                -
Bridge Loan Facility - payment                             -         (300,000 )
Term Loan Facility                                   700,000                -
Bridge Loan Facility - payment                             -         (700,000 )
Debt issuance costs                                        -          (34,606 )
Cash to Balance Sheet                                      -          (68,276 )
Total                                            $ 2,893,077     $ (2,893,077 )

Cash held by Foreign Subsidiaries - As of September 30, 2020, we had $14.8 million in cash that was held by our foreign subsidiaries. We continue to evaluate our strategy regarding foreign cash, but our earnings in foreign subsidiaries still remain indefinitely reinvested.

Employee Stock Ownership Plan ("ESOP")



The Company established the Advanced Drainage Systems, Inc. ESOP (the "ESOP" or
the "Plan") effective April 1, 1993 to enable eligible employees to acquire
stock ownership in ADS in the form of redeemable convertible preferred shares.
The Plan was funded by an existing tax-qualified profit-sharing retirement plan,
as well as a 30-year term loan from ADS. Within 30 days following the repayment
of the ESOP loan, which will occur no later than March 2023, the ESOP committee
can direct the shares of redeemable convertible preferred stock owned by the
ESOP to be converted into shares of the Company's common stock.

The Company is obligated to make contributions to the Plan, which, when
aggregated with the Plan's dividends, equal the amount necessary to enable the
Plan to make its regularly scheduled payments of principal and interest due on
its term loan to ADS. Compensation expense is recognized based upon the average
annual fair value of the shares during the period which ADS receives payments on
the term loan, and the number of ESOP shares allocated to participant accounts.

As disclosed in "Note 16. Employee Benefit Plans" to the Consolidated Financial
Statements included in "Item 8. Financial Statements and Supplementary Data" of
our Fiscal 2020 Form 10-K, redeemable convertible preferred stock can convert to
common stock upon retirement, disability, death, or vested terminations over the
life of the Plan. As stated above, within 30 days following the repayment of the
ESOP loan, all redeemable convertible preferred stock will be converted to
common stock, which will be no later than March 2023.

The ESOP's conversion of redeemable convertible preferred stock into common stock will have a meaningful impact on the Company's net income, net income per share and common shares outstanding. The outstanding shares of common stock would be 24% greater after conversion.


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Impact on Net Income - Following the repayment of the ESOP loan discussed above,
the Company will no longer be required to apply the two-class method to
determine Net income per share. In addition, the Company would not be required
to recognize the fair value of ESOP deferred compensation attributable to the
shares of redeemable convertible preferred shares allocated.

The impact of the ESOP on net income includes the fair value of ESOP deferred
compensation attributable to the shares of redeemable convertible preferred
stock allocated to employee ESOP accounts during the applicable period, which is
a non-cash charge to our earnings and not deductible for income tax purposes.

                                           Three Months Ended            Six Months Ended
                                              September 30,               September 30,
                                            2020          2019         2020           2019
                                             (In thousands)               (In thousands)
Net income (loss) attributable to ADS    $    80,236     $ 7,589     $ 150,702     $ (218,767 )
ESOP special dividend compensation                 -           -            

- 246,752 ESOP deferred stock-based compensation 9,130 5,486 15,993 11,070




Impact on Common Stock Outstanding - The repayment of the ESOP loan and related
conversion of redeemable convertible preferred shares will have an impact on the
number of common shares outstanding. As shares are converted, the number of
common shares outstanding will increase.

                                                   Three Months Ended                Six Months Ended
                                                     September 30,                    September 30,
                                                 2020              2019            2020             2019
                                                  (Shares in millions)             (Shares in millions)
Weighted average common shares outstanding           69.8             60.2             69.6            58.9
Conversion of redeemable convertible shares          16.3             17.2             16.4            17.3


Financing Transactions

New Senior Secured Credit Facility - In July 2019, the Company entered into the
Base Credit Agreement by and among the Company, as borrower, Barclays Bank PLC,
as administrative agent, the several lenders from time to time party thereto. In
September 2019, the Company amended the Base Credit Agreement. The Senior
Secured Credit Facility provides the Term Loan Facility in an initial aggregate
principal amount of $700 million, the Revolving Credit Facility in an initial
aggregate principal amount of up to $350 million, the L/C Facility in the
initial aggregate available amount of up to $50 million, as a sublimit of such
Revolving Credit Facility and a swing line sub-facility in the aggregate
available amount of up to $50 million, as a sublimit of the Revolving Credit
Facility. As of September 30, 2020, the outstanding principal drawn on Term Loan
Facility was $544.8 million and the no outstanding principal on the Revolving
Credit Facility. The Company had $339.0 million available to be drawn on the
Revolving Credit Facility, net of $11.0 million of outstanding letters of
credit.

ADS Mexicana Revolving Credit Facility - The Company and ADS Mexicana entered
into an Intercompany Revolving Credit Promissory Note (the "Intercompany Note")
with a capacity of $12.0 million on June 22, 2018. The Intercompany Note matures
on June 22, 2022. The Intercompany Note indemnifies the ADS Mexicana joint
venture partner for 49% of any unpaid borrowing. The interest rates under the
Intercompany Note are determined by certain base rates or LIBOR rates plus an
applicable margin based on the Leverage Ratio. As of September 30, 2020 and
March 31, 2020, there were no borrowings under the Intercompany Note.

Issuance of Senior Notes due 2027 - On September 23, 2019, the Company issued
$350.0 million aggregate principal amount of its Senior Notes, pursuant to the
Indenture among the Company, the Guarantors and the Trustee. The Senior Notes
are guaranteed by each of the Company's present and future direct and indirect
wholly owned domestic subsidiaries that is a guarantor under the Company's
Senior Secured Credit Facility. The Senior Notes were offered and sold either to
persons reasonably believed to be "qualified institutional buyers" pursuant to
Rule 144A under the Securities Act or to persons outside the United States under
Regulation S of the Securities Act.

Interest on the Senior Notes will be payable semi-annually in cash in arrears on
March 31 and September 30 of each year, commencing on March 31, 2020, at a rate
of 5.000% per annum. The Senior Notes will mature on September

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30, 2027. The Company used the majority of the net proceeds from the offering of the Senior Notes for the repayment of $300.0 million of its outstanding borrowings under the Company's Base Credit Agreement.



The Company may redeem the Senior Notes, in whole or in part, at any time on or
after September 30, 2022 at established redemption prices. At any time prior to
September 30, 2022, the Company may also redeem up to 40% of the Senior Notes
with net cash proceeds of certain equity offerings at a redemption price equal
to 105.000% of the principal amount of the Senior Notes to be redeemed, plus
accrued and unpaid interest, if any, to, but excluding, the redemption date. In
addition, at any time prior to September 30, 2022, the Company may redeem the
Senior Notes, in whole or in part, at a redemption price equal to 100% of the
principal amount of the Senior Notes to be redeemed, plus accrued and unpaid
interest, if any, to, but excluding, the redemption date plus an applicable
"make-whole" premium.

The Indenture contains customary events of default, including, among other things, payment default, failure to comply with covenants or agreements contained in the Indenture or the Senior Notes and certain provisions related to bankruptcy events. The Indenture also contains customary negative covenants.

Covenant Compliance - The Senior Secured Credit Facility requires, if the aggregate amount of outstanding exposure under the Revolving Facility exceeds $122.5 million at the end of any fiscal quarter, the Company to maintain a consolidated senior secured net leverage ratio (commencing with the fiscal quarter ending March 31, 2020) not to exceed 4.25 to 1.00 for any four consecutive fiscal quarter periods.



The Senior Secured Credit Facility also includes other covenants, including
negative covenants that, subject to certain exceptions, limit the Company's and
its restricted subsidiaries' (as defined in the Credit Agreement) ability to,
among other things: (i) incur additional debt, including guarantees; (ii) create
liens upon any of their property; (iii) enter into any merger, consolidation or
amalgamation, liquidate, wind up or dissolve, or dispose of all or substantially
all of their property or business; (iv) dispose of assets; (v) pay subordinated
debt; (vi) make certain investments; (vii) enter into swap agreements; (viii)
engage in transactions with affiliates; (ix) engage in new lines of business;
(x) modify certain material contractual obligations, organizational documents,
accounting policies or fiscal year; or (xi) create or permit restrictions on the
ability of any subsidiary of any Loan Party (as defined in the Senior Secured
Credit Facility) to pay dividends or make distributions to the Company or any of
its subsidiaries.

The Senior Secured Credit Facility also contains customary provisions requiring
the following mandatory prepayments (subject to certain exceptions and
limitations): (i) annual prepayments (beginning with the fiscal year ending
March 31, 2021) with a percentage of excess cash flow (as defined in the Senior
Secured Credit Facility); (ii) 100% of the net cash proceeds from any
non-ordinary course sale of assets and certain casualty or condemnation events;
and (iii) 100% of the net cash proceeds of indebtedness not permitted to be
incurred under the Senior Secured Credit Facility.

For further information, see "Note 11. Debt" to the Consolidated Financial Statements in our Fiscal 2020 Form 10-K. We are in compliance with our debt covenants as of September 30, 2020.

Off-Balance Sheet Arrangements



Excluding the guarantees of 50% of certain debt of our unconsolidated South
American Joint Venture as further discussed in "Note 10. Related Party
Transactions" to the Condensed Consolidated Financial Statements, we do not have
any other off-balance sheet arrangements. As of September 30, 2020, our South
American Joint Venture had approximately $10.1 million of outstanding debt
subject to our guarantees. We do not believe that this guarantee will have a
current or future effect on our financial condition, results of operations,
liquidity, or capital resources.

Critical Accounting Policies and Estimates



There have been no changes in critical accounting policies from those disclosed
in "Management's Discussion and Analysis of Financial Condition and Results of
Operations" in our Fiscal 2020 Form 10-K, except as disclosed in Note 1.
Background and Summary of Significant Accounting Policies.


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Forward-Looking Statements



This Quarterly Report on Form 10-Q ("Form 10-Q") includes forward-looking
statements. Some of the forward-looking statements can be identified by the use
of terms such as "believes," "expects," "may," "will," "would," "should,"
"could," "seeks," "predict," "potential," "continue," "intends," "plans,"
"projects," "estimates," "anticipates" or other comparable terms. These
forward-looking statements include all matters that are not related to present
facts or current conditions or that are not historical facts. They appear in a
number of places throughout this Form 10-Q and include statements regarding our
intentions, beliefs or current expectations concerning, among other things, our
consolidated results of operations, financial condition, liquidity, prospects,
growth strategies, and the industries in which we operate and include, without
limitation, statements relating to our future performance.

Forward-looking statements are subject to known and unknown risks and
uncertainties, many of which are beyond our control. We caution you that
forward-looking statements are not guarantees of future performance and that our
actual consolidated results of operations, financial condition, liquidity and
industry development may differ materially from those made in or suggested by
the forward-looking statements contained in this Quarterly Report on Form 10-Q.
In addition, even if our actual consolidated results of operations, financial
condition, liquidity and industry development are consistent with the
forward-looking statements contained in this Form 10-Q, those results or
developments may not be indicative of results or developments in subsequent
periods. A number of important factors could cause actual results to differ
materially from those contained in or implied by the forward-looking statements,
including those reflected in forward-looking statements relating to our
operations and business, the risks and uncertainties discussed in this Form 10-Q
(including under the headings "Risk Factors" and "Management's Discussion and
Analysis of Financial Condition and Results of Operations"), and those described
from time to time in our other filings with the SEC. Factors that could cause
actual results to differ from those reflected in forward-looking statements
relating to our operations and business include:

• fluctuations in the price and availability of resins and other raw

materials and our ability to pass any increased costs of raw materials

on to our customers in a timely manner;

• volatility in general business and economic conditions in the markets in

which we operate, including the adverse impact on the U.S. and global

economy of the COVID-19 global pandemic, and the impact of COVID-19 in

the near, medium and long-term on our business, results of operations,

financial position, liquidity or cash flows, and other factors relating

to availability of credit, interest rates, fluctuations in capital and

business and consumer confidence;

• cyclicality and seasonality of the non-residential and residential


          construction markets and infrastructure spending;


     •    the risks of increasing competition in our existing and future markets,
          including competition from both manufacturers of high performance
          thermoplastic corrugated pipe and manufacturers of products using
          alternative materials;


     •    uncertainties surrounding the integration of acquisitions and similar

transactions, including the acquisition and integration of Infiltrator

Water Technologies;

• our ability to realize the anticipated benefits from the acquisition of

Infiltrator Water Technologies;

• risks that the acquisition of Infiltrator Water Technologies and related


          transactions may involve unexpected costs, liabilities or delays;


     •    our ability to continue to convert current demand for concrete, steel
          and polyvinyl chloride ("PVC") pipe products into demand for our high
          performance thermoplastic corrugated pipe and Allied Products;

• the effect of any claims, litigation, investigations or proceedings,


          including those described below under "Part II. Other Information Item
          1. Legal Proceedings" of this Quarterly Report;


  • the effect of weather or seasonality;


  • the loss of any of our significant customers;


  • the risks of doing business internationally;


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• our ability to remediate the material weakness in our internal control

over financial reporting, including remediation of the control

environment for our joint venture affiliate ADS Mexicana, S.A. de C.V.

as described in "Item 9A. Controls and Procedures" of our Fiscal 2020

Form 10-K;




  • the risks of conducting a portion of our operations through joint ventures;


     •    our ability to expand into new geographic or product markets, including
          risks associated with new markets and products associated with our
          recent acquisition of Infiltrator Water Technologies; our ability to
          achieve the acquisition component of our growth strategy;


  • the risk associated with manufacturing processes;


  • our ability to manage our assets;


  • the risks associated with our product warranties;

• our ability to manage our supply purchasing and customer credit policies;




  • the risks associated with our self-insured programs;

• our ability to control labor costs and to attract, train and retain


          highly qualified employees and key personnel;


  • our ability to protect our intellectual property rights;


     •    changes in laws and regulations, including environmental laws and
          regulations;


  • our ability to project product mix;

• the risks associated with our current levels of indebtedness, including

borrowings under our new Credit Agreement and outstanding indebtedness


          under our Senior Notes;


     •    the nature, cost and outcome of any future litigation and other legal

proceedings, including any such proceedings related to our acquisition


          of Infiltrator Water Technologies as may be instituted against the
          Company and others;

• fluctuations in our effective tax rate, including from the Tax Cuts and

Jobs Act of 2017;

• our ability to meet future capital requirements and fund our liquidity needs;

• the risk that information may arise that would require the Company to


          make adjustments or revisions or to restate further the financial
          statements and other financial data for certain prior periods and any
          future periods;


  • any delay in the filing of any filings with the SEC;


• the review of potential weaknesses or deficiencies in the Company's

disclosure controls and procedures, and discovering further weaknesses

of which we are not currently aware or which have not been detected; and

• additional uncertainties related to accounting issues generally.




All forward-looking statements are made only as of the date of this report and
we do not undertake any obligation, other than as may be required by law, to
update or revise any forward-looking statements to reflect future events or
developments. Comparisons of results for current and any prior periods are not
intended to express any future trends, or indications of future performance,
unless expressed as such, and should only be viewed as historical data.

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