The following discussion of the financial condition and results of operations of
Ribbon Communications Inc. should be read in conjunction with the condensed
consolidated financial statements and the related notes thereto included
elsewhere in this Quarterly Report on Form 10-Q and the audited financial
statements and notes thereto and Management's Discussion and Analysis of
Financial Condition and Results of Operations included in our Annual Report on
Form 10-K for the year ended December 31, 2020, which was filed with the U.S.
Securities and Exchange Commission on February 26, 2021.

Overview



We are a leading global provider of communications technology to service
providers and enterprises. We provide a broad range of software and
high-performance hardware products, solutions and services that enable the
secure delivery of data and voice communications for residential consumers and
for small, medium and large enterprises and industry verticals such as finance,
education, government, utilities and transportation. Our mission is to create a
recognized global technology leader providing increasingly cloud-centric
solutions that enable the secure exchange of information, with unparalleled
scale, performance and elasticity. Headquartered in Plano, Texas, we have a
global presence with research and development and/or sales and support locations
in over thirty-five countries around the world.

Impact of COVID-19 on Our Business



In 2020, a novel strain of the coronavirus (COVID-19) was declared by the World
Health Organization to be a global pandemic. The COVID-19 pandemic has had a
negative effect on the global economy, disrupting the various manufacturing,
commodity and financial markets and increasing volatility, and has impeded
global supply chains, including that of our IP Optical Networks operating
segment. Continued dampened global economic conditions as a result of the
COVID-19 pandemic, especially in areas where a vaccine rollout is slower, such
as Australia and India, may cause our customers to restrict spending or delay
purchases for an indeterminate period of time and consequently cause our
revenues to decline. In addition, our ability to deliver our solutions as agreed
upon with our customers depends on the ability of our global contract
manufacturers, vendors, licensors and other business partners to deliver
products or perform services we have procured from them. While, to date, we have
not experienced material issues, if the ongoing COVID-19 pandemic impairs the
ability of our business partners to support us on a timely basis, or negatively
impacts the demand for our customers' other products and services, our ability
to perform our customer contracts as well as the demand for our solutions may
suffer. In addition, disruptions from the COVID-19 pandemic could include, and
with respect to our IP Optical Networks operating segment have included,
disruption of logistics necessary to import, export and deliver our solutions.
The COVID-19 pandemic continues to limit in some locations, including India, the
ability of our employees to perform their work due to illness caused by the
pandemic or local, state or federal orders requiring employees to remain at
home. The degree to which the COVID-19 pandemic ultimately impacts our business,
financial position and results of operations will depend on future developments
beyond our control, including the effectiveness and timing of any vaccines, the
frequency and duration of future waves of infection, the effectiveness and
timing of any vaccines, the extent of actions to contain or treat the virus, how
quickly and to what extent normal economic and operating conditions can resume,
and the severity and duration of the global economic downturn that results from
the pandemic.

As a response to the ongoing COVID-19 pandemic, we have continued to implement
plans to manage our costs. We have significantly reduced travel, marketing and
other discretionary expenses except where necessary to meet customer or
regulatory needs and acted to limit discretionary spending. To the extent the
business disruption continues for an extended period, additional cost management
actions will be considered. Any future asset impairment charges, increases in
the allowance for doubtful accounts or restructuring charges could be more
likely and will be dependent on the severity and duration of this crisis.

Reclassification of Amortization of Acquired Intangible Assets



In 2020, we reclassified amounts recorded for amortization of acquired
intangible assets in prior presentations from Cost of revenue - product and
Sales and marketing to a separate line included in operating expenses in our
consolidated statements of operations. Our management believes this presentation
enhances the comparability of our financial statements to industry peers. These
reclassifications did not impact our operating income (loss), net income (loss)
or earnings (loss) per share for any historical periods. These reclassifications
also did not impact our consolidated balance sheets or consolidated statements
of cash flows.

This reclassification resulted in reductions in the three and six months ended
June 30, 2020 to Cost of revenue - product of $10.9 million and $19.9 million,
respectively, and reductions to Sales and marketing of $3.7 million and $9.1
million, respectively, which amounts were reclassified to Amortization of
acquired intangible assets. The reduction to Cost of revenue -
                                       42
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product in the three months ended June 30, 2020 increased our product gross
profit as a percentage of product revenue ("product gross margin") and our total
gross profit as a percentage of revenue ("total gross margin) by approximately
nine percentage points and five percentage points, respectively. The reduction
to Cost of revenue - product in the six months ended June 30, 2020 increased our
product gross margin and total gross margin by approximately ten percentage
points and five percentage points, respectively.

Acquisition of ECI Telecom Group Ltd.



On March 3, 2020 (the "ECI Acquisition Date"), we completed the acquisition of
ECI in accordance with the terms of the Agreement and Plan of Merger, dated as
of November 14, 2019, by and among Ribbon, an indirect wholly-owned subsidiary
of Ribbon ("Merger Sub"), Ribbon Communications Israel Ltd., ECI, and ECI
Holding (Hungary) kft, pursuant to which Merger Sub merged with and into ECI,
with ECI surviving such merger as a wholly-owned subsidiary of Ribbon (the "ECI
Acquisition"). Prior to the ECI Acquisition Date, ECI was a privately-held
global provider of end-to-end packet-optical transport and software-defined
networking ("SDN") and network function virtualization ("NFV") solutions for
service providers, enterprises and data center operators. Ribbon believes the
ECI Acquisition positions the Company for growth and enhances its competitive
strengths by expanding its product portfolio beyond solutions primarily
supporting voice applications to include data applications and optical
networking.

As consideration for the ECI Acquisition, we issued the ECI shareholders and
certain others 32.5 million shares of Ribbon common stock with a fair value of
$108.6 million (the "Stock Consideration") and paid $322.5 million of cash,
comprised of $183.3 million to repay ECI's outstanding debt, including both
principal and interest, and $139.2 million paid to ECI's selling shareholders
(the "Cash Consideration"). In addition, ECI shareholders received $33.4 million
from the sale of certain of ECI's real estate assets. Cash Consideration was
financed through cash on hand and committed debt financing consisting of a new
$400 million term loan facility and new $100 million revolving credit facility,
which was undrawn at the ECI Acquisition Date. The ECI Acquisition has been
accounted for as a business combination and the financial results of ECI have
been included in our consolidated financial statements for the periods
subsequent to the ECI Acquisition Date.

Sale of Kandy Communications Business



On December 1, 2020 (the "Kandy Sale Date"), we completed the sale of our Kandy
Communications Business to American Virtual Cloud Technologies, Inc. ("AVCT").
AVCT purchased the assets and assumed certain liabilities associated with the
Kandy Communications Business, as well as all of the outstanding interests in
Kandy Communications LLC, a subsidiary of the Company (the "Kandy Sale"). The
assets acquired and liabilities assumed by AVCT in connection with the Kandy
Sale were primarily comprised of accounts receivable, property and equipment,
trade accounts payable and employee-related accruals.

As consideration, AVCT paid us $45.0 million, subject to certain adjustments, in
the form of units of AVCT's securities (the "AVCT Units"), with each AVCT Unit
consisting of: $1,000 in principal amount of AVCT's Series A-1 convertible
debentures (the "Debentures"); and (ii) one warrant to purchase 100 shares of
AVCT common stock, $0.0001 par value (the "Warrants"), as consideration for the
Kandy Sale. We received 43,778 AVCT Units as consideration on the Kandy Sale
Date.

The Debentures bear interest at a rate of 10% per annum, which is being added to
the principal amount of the Debentures, except upon maturity, in which case
accrued and unpaid interest is payable in cash. The entire principal of each
Debenture, together with accrued and unpaid interest thereon, is due and payable
on the earlier of the May 1, 2023 maturity date or the occurrence of a Change in
Control as defined in the definitive purchase agreement, as amended (the
"Amended Kandy Agreement"). Each Debenture is convertible, in whole or in part,
at any time at our option into that number of shares of AVCT common stock,
calculated by dividing the principal amount being converted, together with all
accrued and unpaid interest thereon, by the applicable conversion price,
initially $3.45. The Debentures are subject to mandatory redemption if the AVCT
stock price is at or above $6.00 per share for 40 trading days in any 60
consecutive trading day period, subject to the satisfaction of certain other
conditions. The conversion price is subject to customary adjustments including,
but not limited to, stock dividends, stock splits and reclassifications. At the
Company's option, up to $5.0 million of the Debentures may be redeemed by AVCT
at par in the event AVCT raises at least $50.0 million in its offering of AVCT
Units. As of February 19, 2021, the stock price had traded above $6.00 for 40
days within a 60 consecutive trading day period, and accordingly, the Debentures
will be converted to shares of AVCT common stock upon the completion of
customary regulatory filings by AVCT. Upon the expiration of the lock-up period,
we began to value the Debentures at each measurement date by multiplying the
closing stock price of AVCT common stock by the number of shares upon conversion
of the Debentures.

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The Warrants are independent of the Debentures and entitle us to purchase
4,377,800 shares of AVCT common stock at an exercise price of $0.01 per share.
The Warrants expire on December 1, 2025, and were immediately exercisable on the
Kandy Sale Date.

We had not redeemed any of the Debentures or exercised any of the Warrants as of
June 30, 2021. We were also subject to a lock-up provision which limited our
ability to sell any shares of AVCT common stock underlying the Debentures and
the Warrants prior to June 1, 2021, except in certain transactions.

We determined that the AVCT Units had a fair value of $84.9 million at the Kandy
Sale Date, comprised of the Debentures with a fair value of $66.3 million and
the Warrants with a fair value of $18.6 million. The value of the net assets
sold to AVCT totaled $1.3 million, resulting in a gain on the sale of $83.6
million.

We are calculating the fair value of the Debentures and Warrants at each
quarter-end and recording any adjustments to the fair values in Other income
(expense), net. At June 30, 2021 and December 31, 2020, the aggregate fair value
of the Debentures and Warrants was $106.0 million and $115.2 million,
respectively. We recorded a gain of $12.1 million in the three months ended June
30, 2021and a loss of $11.8 million in the six months ended June 30, 2021
arising from the change in the fair value of the Debentures and Warrants, and
which is included as a component of Other income (expense), net, in our
condensed consolidated statements of operations. We recorded $1.2 million and
$2.7 million of interest income in the three and six months ended June 30, 2021,
respectively, which was added to the principal of the Debentures, and which is
included in Interest expense, net, in our condensed consolidated statements of
operations. The fair values of the Debentures and Warrants are reported as
Investments in our condensed consolidated balance sheets at June 30, 2021 and
December 31, 2020.

Operating Segments

Effective in the fourth quarter of 2020 and in connection with the ECI
Acquisition, our CODM began to assess our performance based on the performance
of two separate organizations within Ribbon: the Cloud and Edge operating
segment ("Cloud and Edge") and the IP Optical Networks operating segment ("IP
Optical Networks"). Amounts attributable to IP Optical Networks in the six
months ended June 30, 2020 are for the period subsequent to the ECI Acquisition
Date. For additional details regarding our operating segments, see Note 13 -
Operating Segment Information to our condensed consolidated financial
statements.

Financial Overview

Financial Results

We reported income from operations of $13.0 million and $1.6 million for the
three months ended June 30, 2021 and 2020, respectively. We reported income from
operations of $0.3 million for the six months ended June 30, 2021 and a loss
from operations of $27.1 million for the six months ended June 30, 2020.

Our revenue was $211.2 million and $210.5 million in the three months ended June
30, 2021 and 2020, respectively. Our total gross profit and total gross margin
were $128.4 million and 60.8%, respectively, in the three months ended June 30,
2021, and $123.3 million and 58.6%, respectively, in the three months ended June
30, 2020. Our revenue was $404.0 million and $368.5 million in the six months
ended June 30, 2021 and 2020, respectively. Our total gross profit and total
gross margin were $239.0 million and 59.2%, respectively, in the six months
ended June 30, 2021, and $213.8 million and 58.0%, respectively, in the six
months ended June 30, 2020.

Revenue from our Cloud and Edge segment was $141.4 million and $146.9 million in
the three months and ended June 30, 2021 and 2020, respectively. Total gross
profit and total gross margin for this segment were $95.5 million and 67.5%
respectively, in the three months ended June 30, 2021, and $98.6 million and
67.1% in the three months ended June 30, 2020. Revenue from our Cloud and Edge
segment was $266.8 million and $274.9 million in the six months ended June 30,
2021 and 2020, respectively. Total gross profit and total gross margin for this
segment were $179.6 million and 67.3% respectively, in the six months ended June
30, 2021, and $177.4 million and 64.5% in the six months ended June 30, 2020.

Revenue from our IP Optical Networks segment was $69.8 million and $63.6 million
in the three months ended June 30, 2021 and 2020, respectively. Total gross
profit and total gross margin for this segment were $33.0 million and 47.2%
respectively, in the three months ended June 30, 2021, and $24.7 million and
38.8% in the three months ended June 30, 2020. Revenue from our IP Optical
Networks segment was $137.1 million and $93.5 million in the six months ended
June 30, 2021 and 2020, respectively. Total gross profit and total gross margin
for this segment were $59.3 million and 43.3% respectively, in the six months
ended June 30, 2021, and $36.4 million and 38.9% in the six months ended June
30, 2020.
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Our operating expenses were $115.5 million and $121.7 million in the three
months ended June 30, 2021 and 2020, respectively. Operating expenses for the
three months ended June 30, 2021 included $17.2 million of amortization of
acquired intangible assets, $1.1 million of acquisition-, disposal- and
integration-related expense and $2.8 million of restructuring and related
expense. Operating expenses for the three months ended June 30, 2020 included
$14.7 million of amortization of acquired intangible assets, $0.9 million of
acquisition-, disposal- and integration-related expense and $5.4 million of
restructuring and related expense.

Our operating expenses were $238.6 million and $240.9 million in the six months
ended June 30, 2021 and 2020 respectively. Operating expenses for the six months
ended June 30, 2021 included $33.0 million of amortization of acquired
intangible assets, $2.2 million of acquisition-, disposal- and
integration-related expense and $8.8 million of restructuring and related
expense. Our operating expenses for the six months ended June 30, 2020 included
$29.0 million of amortization of acquired intangible assets, $13.2 million of
acquisition-, disposal- and integration-related expense and $7.4 million of
restructuring and related expense.

We recorded stock-based compensation expense of $4.8 million and $3.2 million in
the three months ended June 30, 2021 and 2020, respectively, and $9.9 million
and $6.2 million in the six months ended June 30, 2021 and 2020, respectively.
These amounts are included as components of both Cost of revenue and Operating
expenses in our condensed consolidated statements of operations.

See "Results of Operations" in this Management's Discussion and Analysis of
Financial Condition and Results of Operations ("MD&A") for a discussion of the
changes in our revenue and expenses for the three and six months ended June 30,
2021 compared to the three and six months ended June 30, 2020.

Restructuring and Cost Reduction Initiatives



2020 Restructuring Initiative. In 2020, we implemented a restructuring plan to
eliminate certain positions and redundant facilities, primarily in connection
with the ECI Acquisition, to further streamline our global footprint and improve
our operations (the "2020 Restructuring Initiative"). In connection with this
initiative, we expect to eliminate duplicate functions arising from the ECI
Acquisition and support our efforts to integrate the two companies.

We recorded restructuring and related expense of $1.9 million and $4.7 million
in connection with the 2020 Restructuring Initiative in the three months ended
June 30, 2021 and 2020, respectively, and $2.3 million and $5.8 million in the
six months ended June 30, 2021 and 2020, respectively.

The amount recorded in the three months ended June 30, 2021 was comprised of
$1.9 million for severance and related costs for approximately 15 employees and
nominal expense for variable costs related to restructured facilities. The
amount recorded in the six months June 30, 2021 was comprised of $2.6 million of
severance and related costs for approximately 25 employees and $0.4 million for
variable costs related to restructured facilities, offset by a credit of $0.7
million for changes in estimate to previously recorded facilities-related
amounts. The amount recorded in the six months ended June 30, 2020, of which
$4.7 million was recorded in the three months ended June 30, 2020 and $1.1
million was recorded in the three months ended March 31, 2020, represents
severance and related costs for approximately 75 employees. We expect that the
amount accrued for severance at June 30, 2021 will be paid in 2021. We expect
that we will record additional restructuring and related expense approximating
$2 million under the 2020 Restructuring Initiative in the aggregate for
severance and planned facility consolidations.

2019 Restructuring Initiative. In June 2019, we implemented a restructuring plan
to further streamline our global footprint, improve our operations and enhance
our customer delivery (the "2019 Restructuring Initiative"). The 2019
Restructuring Initiative includes facility consolidations, refinement of our
research and development activities, and a reduction in workforce. In connection
with this initiative, we expect to reduce our focus on hardware and
hardware-based development over time and to increase our development focus on
software virtualization, functional simplicity and important customer
requirements. The facility consolidations under the 2019 Restructuring
Initiative (the "Facilities Initiative") include a consolidation of our North
Texas sites into a single campus, housing engineering, customer training and
support, and administrative functions, as well as a reduction or elimination of
certain excess and duplicative facilities worldwide. In addition, we are
substantially consolidating our global software laboratories and server farms
into two lower cost North American sites. We continue to evaluate our properties
included in the Facilities Initiative for accelerated amortization and/or
right-of-use asset impairment. We expect that the actions under the Facilities
Initiative will be completed in 2021.

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In connection with the 2019 Restructuring Initiative, we recorded restructuring
and related expense of $0.9 million and $0.7 million in the three months ended
June 30, 2021 and 2020, respectively, and $6.5 million and $1.7 million in the
six months ended June 30, 2021 and 2020, respectively.

The amount recorded in the three months ended June 30, 2021 related to variable
facilities costs. Of the amount recorded in the six months ended June 30, 2021,
$3.4 million was for accelerated amortization of lease assets and $3.1 million
related to variable and other facilities-related costs in connection with
facility consolidations. The amount recorded in the three months ended June 30,
2020 primarily related to facility consolidations. The amount recorded in the
six months ended June 30, 2020 was comprised of $0.7 million for severance and
related costs for five employees and $1.0 million related to facility
consolidations. As of June 30, 2021, the amounts accrued for severance and
related costs had been paid in full. We estimate that we will record nominal, if
any, additional restructuring and related expense in connection with this
initiative.

Accelerated Rent Amortization. Accelerated rent amortization is recognized from
the date that we commence the plan to fully or partially vacate a facility, for
which there is no intent or ability to enter into a sublease, through the final
vacate date. We recorded $3.4 million and $0.1 million for accelerated rent
amortization in the six months ended June 30, 2021 and 2020, respectively, in
connection with our 2019 Restructuring Initiative. These amounts are included as
components of Restructuring and related expense. We continue to evaluate our
properties included in the Facilities Initiative for accelerated amortization
and/or right-of-use asset impairment. We may incur additional future expense if
we are unable to sublease other locations included in the Facilities Initiative.

Critical Accounting Policies and Estimates



Management's discussion and analysis of financial condition and results of
operations is based upon our condensed consolidated financial statements, which
have been prepared in accordance with accounting principles generally accepted
in the United States of America ("GAAP"). The preparation of these financial
statements requires us to make estimates and judgments that affect the reported
amounts of assets, liabilities, revenues and expenses, and related disclosure of
contingent assets and liabilities. We base our estimates and judgments on
historical experience, knowledge of current conditions and beliefs of what could
occur in the future given available information. We consider the following
accounting policies to be both those most important to the portrayal of our
financial condition and those that require the most subjective judgment: revenue
recognition, the valuation of inventory, the valuation of the Debentures and
Warrants received as consideration in connection with the Kandy Sale, warranty
accruals, loss contingencies and reserves, stock-based compensation, business
combinations, goodwill and intangible assets, accounting for leases, and
accounting for income taxes. If actual results differ significantly from
management's estimates and projections, there could be a material effect on our
condensed consolidated financial statements. There were no significant changes
to our critical accounting policies from January 1, 2021 through June 30, 2021.
For a further discussion of our other critical accounting policies and
estimates, please refer to our Annual Report on Form 10-K for the year ended
December 31, 2020.


Results of Operations

Three and six months ended June 30, 2021 and 2020

Revenue. Revenue for the three and six months ended June 30, 2021 and 2020 was as follows (in thousands, except percentages):


                                                                 Increase (decrease)
                                Three months ended                 from prior year
                             June 30,       June 30,
                               2021           2020                 $                  %
            Product         $ 113,129      $ 120,862      $           (7,733)       (6.4) %
            Service            98,081         89,631                   8,450         9.4  %
            Total revenue   $ 211,210      $ 210,493      $              717         0.3  %



                                       46

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                                                                      Increase
                                   Six months ended               from prior year
                               June 30,       June 30,
                                 2021           2020               $               %
              Product         $ 211,018      $ 196,761      $       14,257        7.2  %
              Service           192,964        171,714              21,250       12.4  %
              Total revenue   $ 403,982      $ 368,475      $       35,507        9.6  %




Segment revenue for the three and six months ended June 30, 2021 and 2020 was as
follows (in thousands):

                                        Three months ended June 30, 2021                                  Three months ended June 30, 2020
                                                       IP Optical                                                        IP Optical
                              Cloud and Edge            Networks             Total              Cloud and Edge            Networks             Total
Product                    $     64,361               $   48,768          $ 113,129          $     72,310               $   48,552          $ 120,862
Service                          77,060                   21,021             98,081                74,597                   15,034             89,631
Total revenue              $    141,421               $   69,789          $ 211,210          $    146,907               $   63,586          $ 210,493




                                        Six months ended June 30, 2021                                 Six months ended June 30, 2020
                                                    IP Optical                                                      IP Optical
                            Cloud and Edge           Networks             Total             Cloud and Edge           Networks             Total
Product                    $   114,513            $    96,505          $ 211,018          $    126,520             $   70,241          $ 196,761
Service                        152,330                 40,634            192,964               148,418                 23,296            171,714
Total revenue              $   266,843            $   137,139          $ 403,982          $    274,938             $   93,537          $ 368,475




The decrease in our product revenue in the three months ended June 30, 2021
compared to the three months ended June 30, 2020 was primarily the result of
lower sales of our Cloud and Edge SBC products and the loss of revenue due to
the Kandy Sale, partially offset by higher revenue from sales of certain Cloud
and Edge software applications. Product revenue for our IP Optical Networks
segment was essentially flat in the three months ended June 30, 2021 compared to
the three months ended June 30, 2020.

The increase in our product revenue in the six months ended June 30, 2021
compared to the six months ended June 30, 2020 was primarily attributable to the
inclusion of a full half-year of revenue from our IP Optical Networks segment,
compared to four months of revenue in the six months ended June 30, 2020. This
increase was partially offset by lower sales of our Cloud and Edge SBC products
and the loss of revenue due to the Kandy Sale, partially offset by higher
revenue from sales of certain Cloud and Edge software applications.

Revenue from indirect sales through our channel partner program was
approximately 24% and 27% of our product revenue in the three months ended June
30, 2021 and 2020, respectively. Revenue from indirect sales through our channel
partner program was approximately 22% and 31% of our product revenue in the six
months ended June 30, 2021 and 2020, respectively.

Revenue from sales to enterprise customers was approximately 22% and 30% of our
product revenue in the three months ended June 30, 2021 and 2020, respectively.
Revenue from sales to enterprise customers was approximately 22% and 32% of our
product revenue in the six months ended June 30, 2021 and 2020, respectively.
These sales were made through both our direct sales team and indirect sales
channel partners.

The timing of the completion of customer projects and revenue recognition criteria satisfaction may cause our product revenue to fluctuate from one period to the next.

Service revenue is primarily comprised of hardware and software maintenance and support ("maintenance revenue") and network design, installation and other professional services ("professional services revenue").

Service revenue for the three and six months ended June 30, 2021 and 2020 was comprised of the following (in thousands, except percentages):


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                                                                          Increase
                                      Three months ended              from prior year
                                    June 30,       June 30,
                                      2021           2020              $               %
          Maintenance             $   72,437      $ 68,623      $        3,814        5.6  %
          Professional services       25,644        21,008               4,636       22.1  %
                                  $   98,081      $ 89,631      $        8,450        9.4  %




                                                                          Increase
                                       Six months ended               from prior year
                                   June 30,       June 30,
                                     2021           2020               $               %
          Maintenance             $ 141,142      $ 129,691      $       11,451        8.8  %
          Professional services      51,822         42,023               9,799       23.3  %
                                  $ 192,964      $ 171,714      $       21,250       12.4  %



Segment service revenue for the three and six months ended June 30, 2021 and 2020 was comprised of the following (in thousands):



                                            Three months ended June 30, 2021                            Three months ended June 30, 2020
                                                         IP Optical                                                  IP Optical
                                  Cloud and Edge          Networks             Total          Cloud and Edge          Networks             Total
Maintenance                       $     57,986          $   14,451

$ 72,437 $ 57,853 $ 10,770 $ 68,623 Professional services

                   19,074               6,570            25,644                16,744               4,264            21,008
 Total service revenue            $     77,060          $   21,021          $ 98,081          $     74,597          $   15,034          $ 89,631




                                               Six months ended June 30, 2021                                  Six months ended June 30, 2020
                                                            IP Optical                                                      IP Optical
                                    Cloud and Edge           Networks             Total             Cloud and Edge           Networks             Total
Maintenance                       $    112,659             $   28,483          $ 141,142          $    113,409             $   16,282          $ 129,691
Professional services                   39,671                 12,151             51,822                35,009                  7,014             42,023
 Total service revenue            $    152,330             $   40,634          $ 192,964          $    148,418             $   23,296          $ 171,714




The increase in maintenance revenue in the three months ended June 30, 2021
compared to the three months ended June 30, 2020 was primarily attributable to
approximately $4 million of higher revenue from our IP Optical Networks segment.
The increase in maintenance revenue in the six months ended June 30, 2021
compared to the six months ended June 30, 2020 was primarily due to
approximately $12 million of higher revenue from our IP Optical Networks
segment, partially offset by approximately $1 million of lower revenue from our
Cloud and Edge segment. The increase in IP Optical Networks maintenance revenue
in the six months ended June 30, 2021 was partially attributable to the
inclusion of a full half-year of revenue in the current year period, compared to
four months of revenue in the prior year period.

The increase in professional services revenue in the three months ended June 30,
2021 compared to the three months ended June 30, 2020 was equally attributable
to Cloud and Edge and IP Optical Networks segments, each of which accounted for
approximately $2 million of higher revenue in the current year quarter compared
to the same prior year quarter. The increase in professional services revenue in
the six months ended June 30, 2021 compared to the six months ended June 30,
2020 was attributable to approximately $5 million from each of our segments. The
increase in IP Optical Networks professional services revenue in the six months
ended June 30, 2021 was partially attributable to the inclusion of a full
half-year of revenue in the current year period, compared to four months of
revenue in the prior year period.

The following customer contributed 10% or more of our revenue in the three and six month periods ended June 30, 2021


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and 2020:
                                        Three months ended                 Six months ended
                                   June 30,            June 30,      June 30,            June 30,
    Customer                         2021                2020          2021                2020
    Verizon Communications Inc.      17%                 15%           16%                 14%




Revenue from customers domiciled outside the United States was approximately 52%
of revenue in both the three months ended June 30, 2021 and 2020, and
approximately 55% and 51% of revenue in the six months ended June 30, 2021 and
2020, respectively. Due to the timing of project completions, we expect that the
domestic and international components as a percentage of revenue may fluctuate
from quarter to quarter and year to year.

Our deferred product revenue was approximately $7 million and $8 million at June
30, 2021 and December 31, 2020, respectively. Our deferred service revenue was
approximately $117 million and $115 million at June 30, 2021 and December 31,
2020, respectively. Our deferred revenue balance may fluctuate because of the
timing of revenue recognition, customer payments, maintenance contract renewals,
contractual billing rights and maintenance revenue deferrals included in
multiple element arrangements.

We expect that our total revenue in 2021 will increase compared to 2020 as a result of both increased customer spend and continued cross-selling opportunities.



Cost of Revenue/Gross Margin. Our cost of revenue consists primarily of amounts
paid to third-party manufacturers for purchased materials and services,
royalties, inventory valuation adjustments, warranty costs, and manufacturing
and services personnel and related costs. Our cost of revenue and gross margins
for the three and six months ended June 30, 2021 and 2020 were as follows (in
thousands, except percentages):
                                                                          Decrease
                                      Three months ended               from prior year
                                   June 30,       June 30,
                                     2021           2020               $                %
          Cost of revenue
          Product                 $ 46,641       $ 50,579       $       (3,938)       (7.8) %
          Service                   36,142         36,647                 (505)       (1.4) %
          Total cost of revenue   $ 82,783       $ 87,226       $       (4,443)       (5.1) %
          Gross margin
          Product                     58.8  %        58.2  %
          Service                     63.2  %        59.1  %
          Total gross margin          60.8  %        58.6  %




                                                                           Increase
                                        Six months ended                from prior year
                                    June 30,        June 30,
                                      2021            2020               $               %
          Cost of revenue
          Product                 $  91,086       $  86,558       $        4,528       5.2  %
          Service                    73,922          68,126                5,796       8.5  %
          Total cost of revenue   $ 165,008       $ 154,684       $       10,324       6.7  %
          Gross margin
          Product                      56.8  %         56.0  %
          Service                      61.7  %         60.3  %
          Total gross margin           59.2  %         58.0  %



Our segment cost of revenue and gross margins for the three and six months ended June 30, 2021 and 2020 were as follows (in thousands, except percentages):


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                                           Three months ended June 30, 2021                            Three months ended June 30, 2020
                                                        IP Optical                                                  IP Optical
                                 Cloud and Edge          Networks             Total          Cloud and Edge          Networks             Total
Product                          $     19,112          $   27,529          $ 46,641          $     21,714          $   28,865          $ 50,579
Service                                26,846               9,296            36,142                26,602              10,045            36,647
Total cost of revenue            $     45,958          $   36,825          $ 82,783          $     48,316          $   38,910          $ 87,226



          Product                70.3  %      43.6  %      58.8  %      70.0  %      40.5  %      58.2  %
          Service                65.2  %      55.8  %      63.2  %      64.3  %      33.2  %      59.1  %
          Total gross margin     67.5  %      47.2  %      60.8  %      67.1  %      38.8  %      58.6  %




                                              Six months ended June 30, 2021                                  Six months ended June 30, 2020
                                                           IP Optical                                                      IP Optical
                                   Cloud and Edge           Networks             Total             Cloud and Edge           Networks             Total
Product                          $    32,533              $   58,553          $  91,086          $    43,251              $   43,307          $  86,558
Service                               54,685                  19,237             73,922               54,318                  13,808             68,126
Total cost of revenue            $    87,218              $   77,790          $ 165,008          $    97,569              $   57,115          $ 154,684



          Product                71.6  %      39.3  %      56.8  %      65.8  %      38.3  %      56.0  %
          Service                64.1  %      52.7  %      61.7  %      63.4  %      40.7  %      60.3  %
          Total gross margin     67.3  %      43.3  %      59.2  %      64.5  %      38.9  %      58.0  %




Our product gross margin increased in the three months ended June 30, 2021
compared to the three months ended June 30, 2020, primarily due to margin
improvement in our IP Optical Networks segment. The increase in product gross
margin of our IP Optical Networks segment was primarily attributable to customer
geography and product mix. The increase in our product gross margin in the six
months ended June 30, 2021 compared to the six months ended June 30, 2020 was
primarily due to margin improvement in our Cloud and Edge segment. This increase
was primarily attributable to the impact of the Kandy Sale and, to a lesser
extent, customer and product mix. We also had margin improvement in our IP
Optical Networks segment in the six months ended June 30, 2021 compared to the
same prior year period from the ECI Acquisition Date to June 30, 2020.

The increase in our service gross margin in both the three and six months ended
June 30, 2021 compared to the three and six months ended June 30, 2020 was
primarily due to margin improvement in both of our segments. Our Cloud and Edge
segment's margin improvement was primarily due to lower fixed costs, while the
margin improvement in our IP Optical Networks segments was primarily
attributable to the segment's higher revenue in the current year periods against
its fixed cost base.

We believe that our total gross margin will decrease slightly in 2021 compared
to 2020, primarily due to higher expected sales from IP Optical Networks, which
have historically lower margins due to the higher hardware content in their
products.

Research and Development Expenses. Research and development expenses consist
primarily of salaries and related personnel expenses and prototype costs for the
design, development, testing, and enhancement of our products. Research and
development expenses for the three and six months ended June 30, 2021 and 2020
were as follows (in thousands, except percentages):
                                                                  Increase (decrease)
                                                                    from prior year
                                June 30,      June 30,
                                  2021          2020                $                  %
          Three months ended   $ 46,797      $ 51,796      $           (4,999)       (9.7) %
          Six months ended     $ 94,207      $ 94,091      $              116         0.1  %




The decrease in research and development expenses in the three months ended June
30, 2021 compared to the three months ended June 30, 2020 was primarily
attributable to approximately $6 million of lower expenses in our Cloud and Edge
segment,
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all primarily employee-related and product development costs, partially offset by approximately $1 million of higher expenses in our IP Optical Networks segment, primarily for infrastructure-related and product development costs.



Our research and development expenses were essentially flat in the six months
ended June 30, 2021 compared to the six months ended June 30, 2020, with lower
expenses in our Cloud and Edge segment related to the sale of Kandy. These
reductions were partially offset by higher expenses in our IP Optical Networks
segment, primarily due to the inclusion of a half-year of IP Optical Networks
expense compared to only four months of expense in the prior year period,
principally for employee- and infrastructure-related and product development
costs.

Some aspects of our research and development efforts require significant
short-term expenditures, the timing of which may cause significant variability
in our expenses. We believe that rapid technological innovation is critical to
our long-term success, and we are tailoring our investments to meet the
requirements of our customers and market. We believe that our research and
development expense in 2021 will increase compared to 2020, primarily due to
incremental investment in our IP Optical Networks segment to address the global
market opportunity.

Sales and Marketing Expenses. Sales and marketing expenses primarily consist of
salaries and related personnel costs, commissions, travel and entertainment
expenses, promotions, customer trial and evaluations inventory, and other
marketing and sales support expenses. Sales and marketing expenses for the three
and six months ended June 30, 2021 and 2020 were as follows (in thousands,
except percentages):
                                                                        Increase
                                                                    from prior year
                                   June 30,      June 30,
                                     2021          2020              $               %
             Three months ended   $ 34,881      $ 33,898      $         

983        2.9  %
             Six months ended     $ 72,099      $ 64,869      $        7,230       11.1  %




The increase in sales and marketing expenses in the three months ended June 30,
2021 compared to the three months ended June 30, 2020 was primarily attributable
to approximately $2 million of higher expenses in our IP Optical Networks
segment, primarily for employee-related costs, partially offset by approximately
$1 million of lower expense in our Cloud and Edge segment, primarily for
employee-related costs.

The increase in sales and marketing expenses in the six months ended June 30,
2021 compared to the six months ended June 30, 2020 was primarily attributable
to the inclusion of a full half-year of IP Optical Networks expense, compared to
only four months of expense in the prior year period, which added approximately
$11 million in sales and marketing expenses, principally employee- and
infrastructure-related costs. This increase was partially offset by
approximately $4 million of lower expenses in our Cloud and Edge segment,
primarily employee-related and marketing costs.

We believe that our sales and marketing expenses will increase modestly in 2021
compared with 2020, primarily due to higher employee-related expenses and higher
costs, assuming COVID-19 restrictions continue to ease.

General and Administrative Expenses. General and administrative expenses consist
primarily of salaries and related personnel costs for executive and
administrative personnel, and audit, legal and other professional fees. General
and administrative expenses for the three and six months ended June 30, 2021 and
2020 were as follows (in thousands, except percentages):
                                                                       Decrease
                                                                    from prior year
                                  June 30,      June 30,
                                    2021          2020              $                %
            Three months ended   $ 12,734      $ 15,094      $       (2,360)      (15.6) %
            Six months ended     $ 28,287      $ 32,299      $       (4,012)      (12.4) %




The decrease in general and administrative expenses in the three months ended
June 30, 2021 compared to the three months ended June 30, 2020 was primarily
attributable to approximately $2 million of lower professional fees and
approximately $1 million of lower employee-related expenses. The reduction in
professional fees in the three months ended June 30, 2021 was attributable to
both of our segments, while the reduction in employee-related expenses was
attributable to our IP Optical Networks segment.
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The decrease in general and administrative expenses in the six months ended June
30, 2021 compared to the six months ended June 30, 2020 was primarily
attributable to the absence in the current year period of approximately $2
million of litigation-related expense in our Cloud and Edge segment, coupled
with approximately $2 million of lower professional fees (i.e., consulting,
legal and audit fees) and approximately $1 million of net reductions in other
Cloud and Edge expenses. These reductions were partially offset by approximately
$1 million of IP Optical Networks expense, principally for employee-related
costs

We believe that our general and administrative expenses in 2021 will be consistent with our 2020 levels and decline in future years as we realize additional integration synergies.



Amortization of Acquired Intangible Assets. Amortization of acquired intangible
assets for the three and months ended June 30, 2021 and 2020 was as follows (in
thousands, except percentages):
                                                                       Increase
                                                                    from prior year
                                  June 30,      June 30,
                                    2021          2020              $                %
            Three months ended   $ 17,181      $ 14,669      $        2,512        17.1  %
            Six months ended     $ 33,004      $ 29,003      $        4,001        13.8  %




The increase in amortization of acquired intangible assets in both the three and
six months ended June 30, 2021 compared to the same prior year periods was
primarily due to the recognition of such expense in relation to expected future
cash flows; accordingly, amortization of intangible assets is not recorded on a
straight-line basis, coupled with the inclusion of amortization expense for the
full half-year in 2021, compared to four months of expense in the same prior
year period.

Acquisition-, Disposal- and Integration-Related Expenses. Acquisition-,
disposal- and integration-related expenses include those expenses related to
acquisitions that we would otherwise not have incurred. Acquisition- and
disposal-related expenses include professional and services fees, such as legal,
audit, consulting, paying agent and other fees. Integration-related expenses
represent incremental costs related to combining our systems and processes with
those of acquired businesses, such as third-party consulting and other
third-party services.

Our acquisition-, disposal- and integration-related expenses for the three and six months ended June 30, 2021 and 2020 were as follows (in thousands):


                                                                 Three months ended                       Six months ended
                                                            June 30,               June 30,          June 30,          June 30,
                                                              2021                   2020              2021              2020

Professional and services fees (acquisition-related) $ 143

$ 640 $ 143 $ 13,014



Professional and services fees (disposal-related)                -                       -               241                 -
Integration-related expenses                                   909                     217             1,865               227
                                                       $     1,052               $     857          $  2,249          $ 13,241




Our acquisition-related expenses in the three and six months ended June 30, 2020
primarily relate to the ECI Acquisition. The disposal-related expenses in the
six months ended June 30, 2021 relate to the Kandy Sale. Acquisition-, disposal-
and integration-related expenses are reported separately in the condensed
consolidated statements of operations.

Restructuring and Related Expense. We have been committed to streamlining our
operations and reducing operating costs by closing and consolidating certain
facilities and reducing our worldwide workforce. Please see the additional
discussion of our restructuring initiatives in the "Restructuring and Cost
Reduction Initiatives" section of the Overview of this MD&A.

We recorded restructuring and related expense of $2.8 million and $8.8 million
in the three and six months ended June 30, 2021, respectively. We recorded
restructuring and related expense of $5.4 million and $7.4 million in the three
and six months ended June 30, 2020, respectively. Although we have eliminated
positions as part of our restructuring initiatives, we continue to hire in
certain areas that we believe are important to our future growth. Restructuring
and related expense is reported separately in the condensed consolidated
statements of operations.

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Interest Expense, Net. Interest income and interest expense for the three and
six months ended June 30, 2021 and 2020 were as follows (in thousands, except
percentages):
                                                                   Increase decrease)
                             Three months ended                     from prior year
                           June 30,       June 30,
                             2021           2020                    $                      %
      Interest income    $    1,259      $     98      $          1,161                1,184.7  %
      Interest expense       (4,307)       (5,498)               (1,191)                 (21.7) %
                         $   (3,048)     $ (5,400)     $         (2,352)                 (43.6) %


                                                                      Increase
                                    Six months ended               from prior year
                                 June 30,      June 30,
                                   2021          2020              $                %
             Interest income    $  2,744      $    416      $        2,328       559.6  %
             Interest expense    (11,611)       (9,211)              2,400        26.1  %
                                $ (8,867)     $ (8,795)     $           72         0.8  %



Interest income in both the three and six months ended June 30, 2021 was
primarily due to the paid-in-kind interest on the Debentures, which was recorded
as an increase to the fair value of the Debentures. Interest expense in the
three and six months ended June 30, 2021 was comprised of interest and debt
issuance costs in connection with the 2020 Credit Facility (as defined below),
including the write-off of $2.5 million of capitalized debt insurance costs in
connection with the Third Amendment (as defined below), coupled with interest on
finance leases.

Interest income in the three and six months ended June 30, 2020 primarily
represents interest earned on the outstanding note receivable arising from
litigation that was settled in 2019. Interest expense in the three and six
months ended June 30, 2020 was comprised of interest and debt issuance costs in
connection with the 2020 Credit Facility, interest on other borrowings and
finance leases, and interest expense recorded in connection with the factoring
of certain accounts receivable. Interest expense in the six months ended June
30, 2020 also included the write-off of debt issuance costs in connection with
the retirement of the 2019 Credit Facility.

Income Taxes. We recorded provisions for income taxes of $4.7 million and $2.2
million in the six months ended June 30, 2021 and 2020, respectively. These
amounts reflect our estimates of the effective rates expected to be applicable
for the respective full fiscal years, adjusted for any discrete events, which
are recorded in the period that they occur. These estimates are reevaluated each
quarter based on our estimated tax rate for the full fiscal year. The estimated
effective tax rate includes the impact of valuation allowances in various
jurisdictions.

Off-Balance Sheet Arrangements



We have no off-balance sheet arrangements that have or are reasonably likely to
have a current or future material effect on our financial position, changes in
financial position, revenues or expenses, results of operations, liquidity,
capital expenditures or capital resources.

Liquidity and Capital Resources



Our condensed consolidated statements of cash flows are summarized as follows
(in thousands):
                                                                    Six months ended
                                                              June 30,           June 30,
                                                                2021               2020               Change
Net loss                                                    $ (21,446)

$ (41,421) $ 19,975 Adjustments to reconcile net loss to cash flows provided by operating activities

                                           64,343              49,506              14,837
Changes in operating assets and liabilities                   (34,867)             28,627             (63,494)
Net cash provided by operating activities                   $   8,030          $   36,712          $  (28,682)
Net cash used in investing activities                       $  (7,626)         $ (318,243)         $  310,617
Net cash (used in) provided by financing activities         $ (20,858)         $  331,074          $ (351,932)



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Our cash and restricted cash aggregated approximately $115 million at June 30,
2021and $136 million at December 31, 2020. These amounts included cash and
restricted cash aggregating approximately $32 million at June 30, 2021 and $46
million at December 31, 2020 held by our non-U.S. subsidiaries. If we elected to
repatriate all excess funds held by our non-U.S. subsidiaries as of June 30,
2021, we do not believe that the amounts of potential withholding taxes that
would arise from the repatriation would have a material effect on our liquidity.

We currently maintain the Senior Secured Credit Facilities Credit Agreement (as
amended, the "2020 Credit Facility"), by and among us, as a guarantor, Ribbon
Communications Operating Company, Inc., as the borrower ("Borrower"), Citizens
Bank, N.A. ("Citizens"), as administrative agent, a lender, issuing lender,
swingline lender, joint lead arranger and bookrunner, Santander Bank, N.A., as a
lender, joint lead arranger and bookrunner, and the other lenders party thereto
(each, together with Citizens Bank, N.A. and Santander Bank, N.A., referred to
individually as a "Lender", and collectively, the "Lenders"). For additional
details regarding the terms of the 2020 Credit Facility, see Note 10 to our
condensed consolidated financial statements.

On March 3, 2021 (the "Third Amendment Effective Date"), we entered into a Third
Amendment to Credit Agreement (the "Third Amendment"), which further amended the
2020 Credit Facility. The Third Amendment provided for an incremental term loan
facility to us in the original principal amount of $74.6 million, the proceeds
of which were used on the Third Amendment Effective Date to consummate an open
market purchase of all outstanding amounts under the Term B Loan. Upon the
consummation of the open market purchase, the Term B Loans were assigned to the
Borrower and immediately canceled, such that the outstanding amount under the
Term A Loan and incremental term loan facility were combined and held by the
Lenders (the "2020 Term Loan"). We are required to make quarterly principal
payments on the 2020 Term Loan aggregating approximately $20 million per year in
the first three years and $30 million in the fourth year, with the final payment
approximating $300 million due on the maturity date.

At June 30, 2021, we had an outstanding 2020 Term Loan balance of $385.5 million
at an average interest rate of 3.40% and $6.4 million of letters of credit
outstanding with an interest rate of 2.50%. We were in compliance with all
covenants of the 2020 Credit Facility at both June 30, 2021 and December 31,
2020.

We are exposed to financial market risk related to foreign currency fluctuations
and changes in interest rates. These exposures are actively monitored by
management. To manage the volatility related to the exposure to changes in
interest rates, we have entered into a derivative financial instrument.
Management's objective is to reduce, where it is deemed appropriate to do so,
fluctuations in earnings and cash flows associated with changes in interest
rates. Our policies and practices are to use derivative financial instruments
only to the extent necessary to manage exposures. We do not hold or issue
derivative financial instruments for trading or speculative purposes.

As a result of exposure to interest rate movements, during March 2020, we
entered into an interest rate swap arrangement, which effectively converted our
$400 million term loan with its variable interest rate based upon one-month
LIBOR to an aggregate fixed rate of 0.904%, plus a leverage-based margin as
defined in the 2020 Credit Facility. The notional amount of this swap as of June
30, 2021 was $400 million, and the swap matures on March 3, 2025, the same date
the 2020 Credit Facility matures.

Our objectives in using interest rate derivatives are to add stability to
interest expense and to manage our exposure to interest rate movements. To
accomplish this objective, we are using an interest rate swap as part of our
interest rate risk management strategy. Interest rate swaps designated as cash
flow hedges involve the receipt of variable amounts from a counterparty in
exchange for making fixed-rate payments over the life of the agreements without
exchange of the underlying notional amount.

The effective portion of changes in the fair value of derivatives designated and
that qualify as cash flow hedges is recorded in accumulated other comprehensive
income (loss) in the condensed consolidated balance sheet and is subsequently
reclassified into earnings in the period that the hedged forecasted transactions
affect earnings. During the three and six months ended June 30, 2021 and 2020,
such a derivative was used to hedge the variable cash flows associated with the
2020 Credit Facility. Any ineffective portion of the change in fair value of the
derivative would be recognized directly in earnings. However, during the three
and six months ended June 30, 2021 and 2020, we recorded no hedge
ineffectiveness.

Amounts reported in accumulated other comprehensive income (loss) related to our
derivative will be reclassified to interest expense as interest is accrued on
our variable-rate debt. Based upon projected forward rates, we estimate as of
June 30, 2021 that $3.2 million may be reclassified as an increase to interest
expense over the next 12 months.

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From time to time, we enter into uncommitted and unsecured short-term loans to
finance exports in China. We did not have any such short-term loans outstanding
at June 30, 2021 and December 31, 2020.

We use letters of credit, performance and bid bonds in the course of our
business. At June 30, 2021, we had bank guarantees, performance and bid bonds
under various uncommitted facilities (collectively, the "Guarantees")
aggregating $24.9 million, and $6.4 million of letters of credit under the 2020
Credit Facility (the "Letters of Credit"). At December 31, 2020, we had
Guarantees aggregating $27.0 million and $5.6 million of Letters of Credit. At
June 30, 2021 and December 31, 2020, we had cash collateral of $2.6 million and
$2.7 million, respectively, supporting the Guarantees, which are included in
Restricted cash in our condensed consolidated balance sheets.

In the second quarter of 2019, our Board of Directors (the "Board") approved a
stock repurchase program pursuant to which we could repurchase up to $75 million
of the Company's common stock prior to April 18, 2021. Repurchases under the
program could be made in the open market, in privately negotiated transactions
or otherwise, with the amount and timing of repurchases depending on the market
conditions and corporate discretion. This program did not obligate us to acquire
any particular amount of common stock and the program could have been extended,
modified, suspended or discontinued at any time at the Board's discretion. We
did not repurchase any shares during the six months ended June 30, 2021 or the
year ended December 31, 2020. At December 31, 2020, we had $70.5 million
remaining under the Repurchase Program for future repurchases. The Repurchase
Program expired on April 18, 2021.

Cash Flows from Operating Activities

Our operating activities provided $8.0 million and $36.7 million of cash in the six months ended June 30, 2021 and 2020, respectively.



Cash provided by operating activities in the six months ended June 30, 2021 was
primarily the result of lower accounts receivable and other operating assets,
and slightly higher deferred revenue, coupled with our non-cash operating
activities. These amounts were partially offset by our net loss, lower accrued
expenses and other long-term liabilities, lower accounts payable and higher
inventory. Our lower accounts receivable reflected typical mid-year seasonality.
The decrease in accrued expenses and other long-term liabilities was primarily
due to the cash payments related to our employee cash bonus program, facilities,
professional fees and royalties.

Cash provided by operating activities in the six months ended June 30, 2020 was
primarily the result of lower accounts receivable, other operating assets and
inventory, higher accrued expenses and other long-term liabilities, and our
non-cash operating activities. These amounts were partially offset by our net
loss and lower accounts payable. Our lower accounts receivable primarily
reflected typical mid-year seasonality. The decrease in other operating assets
was primarily due to the scheduled payment received in connection with a
litigation settlement in 2019. The increase in accrued expenses and other
long-term liabilities was primarily due to the derivative liability we recorded
in connection with our interest rate swap, which we entered into in the first
quarter of 2020.

Cash Flows from Investing Activities



Our investing activities used $7.6 million of cash in the six months ended June
30, 2021, comprised of $10.6 million to purchase property and equipment,
partially offset by $2.9 million of proceeds from the sale of our QualiTech
business, which operates compliance testing laboratories in Israel for
reliability and standardization testing for the high-tech industry, including
testing in medical equipment, military equipment and vehicles.

Our investing activities used $318.2 million of cash in the six months ended
June 30, 2020, comprised of $346.9 million of cash paid as cash consideration
for ECI and $14.9 million of investments in property and equipment. These
amounts were partially offset by $43.5 million of cash proceeds from the sale of
land in connection with the ECI Acquisition.

Cash Flows from Financing Activities



Our financing activities used $20.9 million of cash in the six months ended June
30, 2021. We received $74.6 million of proceeds from the incremental loan
obtained in connection with the Third Amendment, which amount was used to
consummate an open market purchase of all outstanding amounts under the Term B
Loan. In addition, we used $12.1 million for the payment of tax withholding
obligations related to the net share settlement of restricted stock awards upon
vesting, and $82.1 million of principal payments of term debt, including the
$74.6 million payoff of the Term B Loan in connection with the Third Amendment,
$0.8 million of payments of debt issuance costs and $0.5 million for principal
payments of finance leases.

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Our financing activities provided $331.1 million of cash in the six months ended
June 30, 2020, primarily due to $403.5 million of proceeds from term debt, which
was comprised of $400.0 million of proceeds from the 2020 Credit Facility and
$3.5 million of proceeds from short-term loans in China for the financing of
certain export activities. We also recorded $0.6 million of borrowings under the
2020 Credit Facility. These proceeds were partially offset by the repayment of
amounts outstanding under the 2019 Credit Facility aggregating $56.7 million at
the time we entered into the 2020 Credit Facility, $10.6 million for the payment
of debt issuance costs in connection with the 2020 Credit Facility, $0.8 million
for the payment of tax withholding obligations related to the net share
settlement of restricted stock awards upon vesting and $0.7 million for
principal payments of finance leases.

Based on our current expectations, we believe our current cash and available
borrowings under the 2020 Credit Facility will be sufficient to meet our
anticipated cash needs for working capital and capital expenditures for at least
twelve months. The rate at which we consume cash is dependent on the cash needs
of our future operations. We anticipate devoting substantial capital resources
to continue our research and development efforts, to maintain our sales, support
and marketing, to complete acquisition-related integration activities and for
other general corporate activities. We further believe that our financial
resources, along with managing discretionary expenses, will allow us to manage
the anticipated impact of the COVID-19 pandemic on our business operations.
Looking ahead, we have developed contingency plans to reduce costs further if
the situation continues to deteriorate. The challenges posed by the COVID-19
pandemic on our business continue to evolve rapidly. Consequently, we continue
to evaluate our financial position in light of future developments, particularly
those relating to the COVID-19 pandemic. However, it is difficult to predict
future liquidity requirements with certainty, and our cash and available
borrowings under the 2020 Credit Facility may not be sufficient to meet our
future needs, which would require us to refinance our debt and/or obtain
additional financing. We may not be able to refinance our debt or obtain
additional financing on favorable terms or at all.


Recent Accounting Pronouncements

The Financial Accounting Standards Board ("FASB") issued the following accounting pronouncement which became effective for us in 2021, and which did not have a material impact on our condensed consolidated financial statements:



The FASB issued ASU 2019-12, Income Taxes (Topic 740): Simplifying the
Accounting for Income Taxes ("ASU 2019-12"), which modifies ASC 740 to simplify
the accounting for income taxes. ASU 2019-12 addresses the accounting for hybrid
tax regimes, tax basis step-up in goodwill obtained in a transaction that is not
a business combination, separate financial statements of legal entities not
subject to tax, intraperiod tax allocation exception to incremental approach,
ownership changes in investments - changes from a subsidiary to an equity method
investment, ownership changes in investments - changes from an equity method
investment to a subsidiary, interim period accounting for enacted changes in tax
law and year-to-date loss limitation in interim period tax accounting.

The FASB issued the following accounting pronouncement, which we do not believe
will have a material impact on our condensed consolidated financial statements
upon adoption:

In January 2021, the FASB issued ASU 2021-01, Reference Rate Reform (Topic 848):
Scope ("ASU 2021-01"), which refines the scope of Accounting Standards
Codification 848, Reference Rate Reform ("ASC 848") and clarifies some of its
guidance as part of the FASB's monitoring of global reference rate reform
activities. ASU 2021-01 permits entities to elect certain optional expedients
and exceptions when accounting for derivative contracts and certain hedging
relationships affected by changes in the interest rates used for discounting
cash flows, for computing variation margin settlements, and for calculating
price alignment interest in connection with reference rate reform activities
under way in global financial markets (the "discounting transition"). ASU
2021-01 is effective for us prospectively in any period through December 31,
2022 that a modification is made to the terms of the derivatives affected by the
discounting transition.

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