The following discussion and analysis should be read in conjunction with our
financial statements and accompanying notes included in this Quarterly Report on
Form 10-Q and the financial statements and accompanying notes thereto for the
fiscal year ended December 31, 2020, and the related Management's Discussion and
Analysis of Financial Condition and Results of Operations, both of which are
contained in our Annual Report on Form 10-K filed by us with the Securities and
Exchange Commission, or SEC, on March 10, 2021.

Forward-Looking Statements



This discussion and analysis contains "forward-looking statements"-as defined in
Section 21E of the Exchange Act-which are statements related to future, not
past, events and reflect our current expectations regarding future development
activities, results of operations, financial condition, cash flow, performance,
and business prospects and opportunities, as well as assumptions made by and
information currently available to our management. Forward-looking statements
include any statement that does not directly relate to a current historical
fact. We have tried to identify forward-looking statements by using words such
as "may," "will," "expect," "anticipate," "estimate," "intend," "plan,"
"predict," "potential," "believe," "should," and similar expressions. Although
we believe that the expectations reflected in these forward-looking statements
are reasonable, we cannot guarantee future results, events, levels of activity,
performance, or achievement. We undertake no obligation to update these
forward-looking statements to reflect events or circumstances after the date of
this report or to reflect actual outcomes. The forward-looking statements in
this Quarterly Report on Form 10-Q, other than the statements regarding the
proposed acquisition by Pacira BioSciences, Inc. ("Pacira"), do not assume the
consummation of the proposed acquisition unless specifically stated otherwise.

Forward-looking statements include, without limitation, statements regarding the
anticipated consummation and timing of the acquisition of Flexion by Pacira and
payments that may be made upon the satisfaction of specified milestones, which
are each based

                                       24

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on Pacira's and Flexion's current expectations and inherently involve
significant risks and uncertainties. Actual results and the timing of events
could differ materially from those anticipated in such forward-looking
statements as a result of these risks and uncertainties, which include, without
limitation, risks related to Pacira's ability to complete the transaction on the
proposed terms and schedule or at all; whether the tender offer conditions will
be satisfied; whether sufficient stockholders of Flexion tender their shares in
the transaction; the outcome of legal proceedings instituted against Flexion
and/or others relating to the transaction; the failure (or delay) to receive the
required regulatory approvals relating to the transaction; the possibility that
competing offers will be made; risks related to future opportunities and plans
for Flexion and its products, including uncertainty of the expected financial
performance of Flexion and its products, including whether the milestones will
ever be achieved; and the occurrence of any event, change, or other circumstance
that could give rise to the termination of the acquisition agreement, as well as
other risks related to Pacira's and Flexion's businesses detailed from
time-to-time under the caption "Risk Factors" and elsewhere in Pacira's and
Flexion's respective SEC filings and reports, including their respective Annual
Reports on Form 10-K for the year ended December 31, 2020, and subsequent
quarterly and current reports filed with the SEC.

Overview



We are a biopharmaceutical company focused on the discovery, development, and
commercialization of novel, local therapies for the treatment of patients with
musculoskeletal conditions, beginning with osteoarthritis, the most common form
of arthritis, referred to as OA.

On October 6, 2017, the U.S. Food and Drug Administration ("FDA"), approved our
product, ZILRETTA, for marketing in the United States. ZILRETTA is the first and
only extended-release, intra-articular, or IA (meaning in the joint), injection
indicated for the management of OA related knee pain. ZILRETTA is a non-opioid
therapy that employs our proprietary microsphere technology to provide pain
relief. The pivotal Phase 3 trial, on which the approval of ZILRETTA was based,
showed that ZILRETTA met the primary endpoint of pain reduction at Week 12, with
statistically significant pain relief extending through Week 16.

We also have two pipeline programs focused on the local treatment of
musculoskeletal conditions: FX201, which is an investigational IA gene therapy
product candidate in clinical development for the treatment of OA, and FX301, an
investigational NaV1.7 inhibitor product candidate in clinical development as a
locally administered peripheral analgesic nerve block for control of
post-operative pain.

We were incorporated in Delaware in November 2007, and, to date, we have devoted
substantially all of our resources to developing our product candidates,
including conducting clinical trials with our product candidates, preparing for
and undertaking the commercialization of ZILRETTA, providing general and
administrative support for these operations, and protecting our intellectual
property. From our inception through September 30, 2021, we have funded our
operations primarily through the sale of our common stock, convertible preferred
stock, and convertible debt, as well as debt financing. Until such time, if
ever, as we can generate substantial product revenue, we expect to finance our
cash needs through a combination of equity offerings, debt financings,
government or third-party funding, and licensing or collaboration arrangements.

Proposed Acquisition by Pacira BioSciences, Inc.



On October 11, 2021, we entered into an Agreement and Plan of Merger (the
"Merger Agreement") with Pacira and Oyster Acquisition Company Inc., a Delaware
corporation and wholly owned subsidiary of Pacira ("Purchaser"). Pursuant to the
Merger Agreement, on October 22, 2021, Purchaser commenced a tender offer (the
"Offer") to purchase each issued and outstanding share of our common stock (the
"Shares") at an offer price of (i) $8.50 per Share in cash, net of applicable
withholding taxes and without interest, plus (ii) one non-transferable
contractual contingent value right per Share, which will represent the right to
receive one or more contingent payments up to $8.00 in the aggregate, in cash,
net of applicable withholding taxes and without interest, upon the achievement
of specified milestones on or prior to December 31, 2030.

Promptly following the completion of the Offer, upon the terms and subject to
the conditions of the Merger Agreement, Purchaser will merge with and into
Flexion (the "Merger"), with Flexion continuing as the surviving corporation and
as a wholly owned subsidiary of Pacira. The Merger Agreement contemplates that
the Merger will be effected pursuant to Section 251(h) of the Delaware General
Corporation Law, which permits completion of the Merger without a vote of the
holders of our common stock upon the acquisition by Purchaser of a majority of
the aggregate voting power of our common stock. As a result of the Merger, we
will cease to be a publicly traded company.

The Merger Agreement contains customary representations and warranties. The
Merger is expected to close before the end of the calendar year 2021, subject to
the satisfaction or waiver of customary closing conditions, including, among
others, that the number of Shares tendered in the Offer represent at least one
Share more than 50% of the total number of Shares at the time of the expiration
of the Offer. The Merger Agreement provides Pacira and Flexion with certain
termination rights and, under certain circumstances, may require us to pay
Pacira a termination fee of $18.0 million.

For additional information related to the Merger Agreement, refer to the
Solicitation/Recommendation Statement on Schedule 14D-9 filed by the Company
filed with the SEC on October 22, 2021, together with the exhibits and annexes
thereto and as amended or supplemented from time to time. Please also see "Item
1A. Risk Factors-Risks Related to Our Pending Acquisition by Pacira.

                                       25

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Q3 2021 Commercial Performance

ZILRETTA net sales in the third quarter were $21.3 million. We believe that our commercial performance reflects the adverse impacts of several key factors.



First, in August, we introduced a ZILRETTA price increase coupled with an
"off-invoice discount" (OID) program intended to mitigate the impacts of the
increase. As part of this program, providers have the ability to earn higher
discounts in exchange for purchasing more units in each order. In conjunction
with those changes, we revised the discount tiers such that the discounts
offered at the lowest purchasing tiers were less than they were prior to the
implementation of the OID program. Our goal was to incentivize higher purchasing
volumes by healthcare practices; however, some accounts were reluctant to
increase order sizes in amounts sufficient to obtain the more favorable cost
recovery available in the higher discount tiers. We believe that this program
had the unanticipated effect of causing accounts to purchase less product than
we had forecast.

Second, COVID-19 and the emergence of the Delta variant resulted in reduced patient flows and restricted our Musculoskeletal Business Managers' (MBMs) ability to access key office personnel. These restrictions were particularly acute in August and September as COVID cases spiked in a number of key regions.



Third, net sales in the quarter were reduced due to several unanticipated
manufacturing batch failures in late 2020 and in the first half of 2021 that
contributed to short-dated ZILRETTA inventory in the distribution channel,
resulting in smaller order sizes by physician practices and product returns from
specialty distributors. The product returns were a consequence of the drop in
demand during the quarter. If demand had been in line with our forecast,
significantly more inventory would have been consumed, and we anticipate that we
would have avoided having short-dated product in the channel. We adjusted our
manufacturing process to address the batch failures, and subsequent batches have
fully met our product specifications and have been entered into the supply
chain. These new batches have greater than 12 months of expiry remaining, which
is consistent with the product dating that we were selling prior to the pause in
manufacturing due to COVID-19.

Pipeline Updates

ZILRETTA/FX006 (triamcinolone acetonide extended-release injectable suspension) - IA treatment for OA



ZILRETTA is the first and only extended-release IA therapy for patients
confronting OA-related knee pain. In September 2021, we announced the inclusion
of ZILRETTA in the American Academy of Orthopaedic Surgeons (AAOS) updated
evidence-based clinical practice guidelines for the management of OA of the
knee. The AAOS guidelines reflect a moderate recommendation for the use of
intra-articular (IA) corticosteroids for patients with symptomatic OA of the
knee. The recommendation follows a review of data from 25 studies assessing IA
corticosteroids. Included in its rationale is a differential analysis of
extended-release intra-articular steroid, of which ZILRETTA is the only
available product, versus immediate-release IA corticosteroids, where AAOS
analyses demonstrated that it can, "be used over immediate-release
corticosteroids to improve patient outcomes."

In addition to knee OA, we believe that ZILRETTA's extended-release profile may
also provide effective treatment for OA pain in other large joints, including
the shoulder and in August results from the Phase 2 pharmacokinetic ("PK") trial
assessing the safety and general tolerability of ZILRETTA in OA of the shoulder
were published in Drugs in R&D. PK and safety profiles of ZILRETTA were similar
to those reported in Phase 3 studies of patients with knee OA. Plasma PK
findings from this study were also consistent with the extended release of
triamcinolone acetonide ("TA") within the synovial fluid following an IA
injection of ZILRETTA in the knee. Plasma PK data indicate the total and maximal
exposure to TA was approximately two-thirds lower in patients treated with
ZILRETTA compared to triamcinolone acetonide in crystalline suspension. With
respect to our plans to initiate a registration study in shoulder OA by end of
year, based on recent interactions with FDA, we are currently reassessing the
proposed study design and determining the best path forward given FDA's
feedback.

At the American College of Rheumatology (ACR) annual meeting in November we
presented data from our open-label Phase 3b trial assessing the effect of a
single administration of ZILRETTA on synovitis in 129 patients with knee OA. In
patients with knee OA and baseline synovitis (n=102), ZILRETTA significantly
reduced synovial tissue volume at Week 6 (primary endpoint). These patients also
reported improvements in WOMAC-A (pain), B (stiffness), and C (function) and
KOOS-QoL scores through Week 24. ZILRETTA was well tolerated and there were no
new or unexpected adverse events.

FX201 (humantakinogene hadenovec) - Locally Administered Gene Therapy for the Treatment of OA



FX201 is our novel, clinical stage, investigational IA gene therapy product
candidate, which is designed to induce the production of interleukin-1 receptor
antagonist ("IL-1Ra"), an anti-inflammatory protein. Preclinical data suggest
that, following injection of FX201, its genetic material is incorporated into
local cells and IL-1Ra is expressed in response to inflammation in the joint
tissues. Inflammation is a known cause of pain, and chronic inflammation is
thought to play a major role in the progression of OA. By persistently
suppressing inflammation, we believe that FX201 has the potential to both reduce
pain and possibly modify disease progression. We acquired the rights to FX201
via a definitive agreement with GeneQuine Biotherapeutics GmbH, or GeneQuine,
and have an exclusive license to the underlying intellectual property rights for
human use of FX201 from Baylor College of Medicine in Houston, Texas. In May
2019, the U.S. Patent and Trademark Office issued patent number 10,301,647,
which covers the composition of matter and method of use of FX201 in the
treatment of OA with a term through January 2033.

                                       26

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In March 2020, we initiated a Phase 1 single ascending dose ("SAD") study to
evaluate the safety and tolerability of FX201 in patients with painful OA of the
knee. The multicenter, open-label study is evaluating three doses (low, mid and
high dose) of FX201 in cohorts of five to eight patients. In addition, in the
first quarter of 2021, we expanded the trial to include up to 20 additional
patients in both the low and mid dose treatment groups.

In June 2021, the SAD phase of the study was fully enrolled, and, as of November
1, 2021, 65 patients had been treated across all cohorts including the expansion
groups. The most commonly observed treatment-related adverse events ("AEs")
observed in the trial have been pain, swelling, and effusion, and, in the second
quarter, we made the strategic decision to investigate pretreatment with an
intra-articularly administered immediate-release steroid prior to FX201
administration as a means to mitigate potential AEs. We expect to treat up to 38
patients with a pretreatment regimen. In October 2021, we presented initial data
from the mid-dose cohort of the open-label FX201 Phase 1 single ascending dose
phase of the trial in patients with knee OA via a poster at the 2021 European
Society of Gene & Cell Therapy (ESGCT) annual meeting. Preliminary results
indicate that seven of eight patients treated with the mid dose of FX201
experienced a reduction of pain and functional improvement from baseline out to
Week 24. The mid dose of FX201 was generally well-tolerated in all eight
patients with moderate-to-severe knee OA.

FX301 (funapide in a proprietary thermosensitive hydrogel) - Locally Administered NaV1.7 Inhibitor for the Treatment of Post-Operative Pain



In September 2019, we entered into a definitive agreement with Xenon
Pharmaceuticals that provides us with the global rights to develop and
commercialize XEN402, a NaV1.7 inhibitor, for control of post-operative pain.
Our investigational product candidate, known as FX301, consists of funapide
formulated for extended release from a Flexion proprietary thermosensitive
hydrogel for administration as a peripheral nerve block for control of
post-operative pain. Within minutes following injection, the thermosensitive
formulation has been shown to transition from a liquid to a gel, an effect that
we believe can provide local delivery of funapide near target nerves for up to a
week. Unlike typical local anesthetics, the selective pharmacology of funapide
has the potential to provide effective pain relief while preserving motor
function. As such, we believe FX301 could enable ambulation, rapid discharge,
and early rehabilitation following musculoskeletal surgery.

In a validated post-operative pain model in pigs, a single injection of FX301
provided both greater analgesic effect from 12 through 72 hours and a longer
duration of effect through 72 hours compared to liposomal bupivacaine or
placebo. In addition, treatment with FX301 did not significantly affect total
walking distance in animals at 2 and 24 hours post-injection, whereas animals
treated with liposomal bupivacaine experienced a significant reduction in total
walking distance compared with baseline at 2 and 24 hours post-injection.

These data formed the basis of our IND application for FX301, which the FDA
cleared in February 2021. In March 2021, we announced the treatment of the first
patient in a Phase 1b proof-of-concept trial evaluating the safety and
tolerability of FX301 administered as a single-dose, popliteal fossa block (a
commonly used nerve block in foot and ankle-related surgeries) in patients
undergoing bunionectomy. The Phase 1b randomized, double-blind,
placebo-controlled study is being conducted in two parts, the SAD portion
investigated FX301 at low and high doses of funapide administered at two volumes
in four cohorts of patients undergoing bunionectomy. A total of 48 patients (12
patients per cohort), were randomized to receive either FX301 or placebo. A
Safety Monitoring Committee reviewed data from each dose cohort before the study
escalated into higher doses. In July 2021, we fully enrolled the SAD portion of
the trial, and following an assessment of safety, systemic exposure and efficacy
data by an internal review committee, we made the decision to expand the study.
In the expansion cohort, an additional 36 patients will be randomized (1:1) to
receive either FX301 at the selected dose (130 mg/low volume) or placebo to
further assess the safety, tolerability, systemic exposure, and efficacy of
FX301 as a single-injection analgesic nerve block adjacent to the sciatic nerve
of the popliteal fossa. Based on the current pace of enrollment in the expansion
cohort, we anticipate having data available in the first quarter of 2022.

Financial Overview

Revenue

Product Revenue

Net product sales consist of sales of ZILRETTA, which was approved by the FDA on
October 6, 2017, and launched in the United States in October 2017. We had not
generated any revenue prior to the launch of ZILRETTA.

License Revenue



On March 30, 2020, we entered into an exclusive license agreement with HK Tainuo
and Jiangsu Tainuo, a subsidiary of China Shijiazhuang Pharmaceutical Co, Ltd.,
for the development and commercialization of ZILRETTA in Greater China
(consisting of mainland China, Hong Kong and Macau, and Taiwan). Under the terms
of the agreement, HK Tainuo paid us an upfront payment of $10.0 million, of
which $5.0 million was received as of June 30, 2020, and the remaining $5.0
million was received as of September 30, 2020. We are also eligible to receive
up to $32.5 million in aggregate development, regulatory, and commercial sales
milestone payments. All payments received from HK Tainuo are subject to
applicable Hong Kong withholding taxes. HK Tainuo is responsible for the
clinical development, product registration, and commercialization of ZILRETTA in
Greater China, and Jiangsu Tainuo serves as the guarantor of HK Tainuo's
obligations and responsibilities under the agreement. We are solely responsible
for the

                                       27

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manufacture and supply of ZILRETTA to HK Tainuo for all clinical and commercial
activities. The terms related to product manufacturing and supply, including
pricing and minimum purchase requirements agreed to in the license agreement,
will be covered by a separate supply agreement. All amounts owed to us are
nonrefundable and non-creditable once paid. We concluded that the license and
supply obligations were not distinct performance obligations, and therefore the
transaction price will be recognized as revenue as our supply obligation is
fulfilled over the term of the supply agreement, which has not yet commenced. No
revenue was recognized associated with this contract as of September 30, 2021.

Cost of Sales



Cost of sales consists of third-party manufacturing costs, freight, and indirect
overhead costs associated with sales of ZILRETTA. Cost of sales also includes
period costs related to certain inventory manufacturing services, inventory
adjustment charges, and unabsorbed manufacturing and overhead costs, as well as
any write-offs of inventory that fails to meet specifications or is otherwise no
longer suitable for commercial manufacture.

Research and Development Expenses

Our research and development activities include: preclinical studies, clinical trials, and chemistry, manufacturing, and controls, or CMC, activities. Our research and development expenses consist primarily of:



?
expenses incurred under agreements with consultants, contract research
organizations ("CROs"), and investigative sites that conduct our preclinical
studies and clinical trials;
?
costs of acquiring, developing, and manufacturing clinical trial materials;
?
personnel costs, including salaries, benefits, stock-based compensation, and
travel expenses for employees engaged in scientific research and development
functions;
?
costs related to compliance with certain regulatory requirements;
?
expenses related to the in-license of certain technologies; and
?
allocated expenses for rent and maintenance of facilities, insurance, and other
general overhead.

We expense research and development expenses as incurred. Our direct research
and development expenses consist primarily of external-based costs, such as fees
paid to investigators, consultants, investigative sites, CROs, and companies
that manufacture our clinical trial materials and potential future commercial
supplies and are tracked on a program-by-program basis. We do not allocate
personnel costs, facilities, or other indirect expenses to specific research and
development programs. These indirect expenses are included within the amounts
designated as "Personnel and other costs" in the Results of Operations section
below. Inventory acquired prior to receipt of the marketing approval of a
product candidate is recorded as research and development expense as incurred.

Our research and development expenses are expected to increase for the
foreseeable future. While the duration of COVID-19 and its impact on our ability
to conduct clinical development are highly uncertain, we expect that a return to
normal operations will likely result in an increase in future research and
development expenses. Specifically, our costs will increase as we conduct
additional clinical trials for ZILRETTA, including our planned registration
trial in shoulder OA, and conduct further development activities for our
pipeline programs, including our on-going clinical trials of FX201 and FX301.

We cannot determine with certainty the duration of and completion costs
associated with ongoing and future clinical trials or the associated regulatory
approval process, post-marketing development of ZILRETTA, or development of any
product candidates in our pipeline. The duration, costs, and timing associated
with the further development of ZILRETTA or the development of other product
candidates will depend on a variety of factors, including uncertainties
associated with the results of our clinical trials, as well as the status and
timing of the Merger. As a result of these uncertainties, we are currently
unable to estimate with any precision our future research and development
expenses for expanded indications for ZILRETTA or the product candidates in our
pipeline.

Selling, General and Administrative Expenses



Selling, general and administrative expenses consist primarily of personnel
costs, including salaries, sales commissions, related benefits, travel expenses,
and stock-based compensation of our executive, finance, business development,
commercial, information technology, legal, and human resources functions. Other
selling, general and administrative expenses include an allocation of
facility-related costs, patent filing expenses, and professional fees for legal,
consulting, auditing, and tax services.

We anticipate that selling, general, and administrative expenses will increase
as compared to the prior year, including external marketing expenses and the
operation of our field sales force.

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Other Income (Expense)

Interest income

Interest income consists of interest earned on our cash and cash equivalents
balances and our marketable securities. The primary objective of our investment
policy is capital preservation.

Interest expense



Interest expense consists of contractual interest on our 2024 Convertible Notes,
which accrue interest at a rate of 3.375% per annum, payable semi-annually, our
term loan facility, which, accrues interest at a floating interest rate equal to
the greater of the prime rate as reported in the Wall Street Journal plus 2.75%
or 6.0% per annum, and our revolving credit facility, which accrues interest at
a floating interest rate equal to the greater of the prime rate as reported in
the Wall Street Journal plus 1.75% or 5.0% per annum. Also included in interest
expense is the amortization of the final payment on the 2021 term loan, the loss
on debt extinguishment related to the 2019 term loan, and the debt discount
related to the convertible notes, which is being amortized to interest expense
using the effective interest method over the expected life of the debt.

Other income (expense)



Other income (expense) consists of the amortization of premiums or accretion of
discounts related to our marketable securities, realized gains (losses) on
redemptions of our marketable securities, gains (losses) from foreign currency
transactions, and the amortization of debt issuance costs on the 2024
Convertible Notes, which are being amortized over the term of the loan.

Provision for income taxes

The provision for income taxes consists of foreign withholding taxes related to our license agreement with HK Tainuo.

Critical Accounting Policies and Significant Judgments and Estimates



Our management's discussion and analysis of our financial condition and results
of operations is based on our financial statements, which we have prepared in
accordance with generally accepted accounting principles in the United States,
or GAAP. The preparation of our financial statements requires us to make
estimates and assumptions that affect the reported amounts of assets and
liabilities and the disclosure of contingent assets and liabilities at the date
of our financial statements and the reported revenue and expenses during the
reported periods. We evaluate these estimates and judgments, including those
described below, on an ongoing basis. We base our estimates on historical
experience, known trends and events, contractual milestones, and various other
factors that we believe are reasonable under the circumstances, the results of
which form the basis for making judgments about the carrying value of assets and
liabilities that are not readily apparent from other sources. Actual results may
differ from these estimates under different assumptions or conditions.

We believe that the estimates, assumptions, and judgments involved in the accounting policies described in Management's Discussion and Analysis of Financial Condition and Results of Operations in Item 7 of our Annual Report on Form 10-K for the year ended December 31, 2020, have the greatest potential impact on our financial statements, so we consider them to be our critical accounting policies and estimates. There were no material changes to our critical accounting policies and estimates during the nine months ended September 30, 2021.


                                       29

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RESULTS OF OPERATIONS

Comparison of the Three and Nine Months Ended September 30, 2021 and 2020

The following tables summarize our results of operations for the three and nine months ended September 30, 2021:



                                            Three Months Ended September 30,
                                                                        % Increase/
(In thousands)                        2021        2020       Change     (Decrease)
Revenues:
Product revenue, net                $  21,326   $  23,664   $ (2,338 )          (9.9 )%
Operating expenses:
Cost of sales                           3,727       5,130     (1,403 )         (27.3 )%
Research and development               14,771      10,092      4,679            46.4 %
Selling, general and administrative    26,986      27,312       (326 )          (1.2 )%
Total operating expenses               45,484      42,534      2,950             6.9 %
Loss from operations                  (24,158 )   (18,870 )   (5,288 )          28.0 %
Other (expense) income:
Interest income                            54          62         (8 )         (12.9 )%
Interest expense                       (5,787 )    (5,125 )     (662 )          12.9 %
Other expense                            (421 )      (457 )       36            (7.9 )%
Total other (expense) income           (6,154 )    (5,520 )     (634 )          11.5 %
Loss before income taxes              (30,312 )   (24,390 )   (5,922 )          24.3 %
Income tax expense                          -         248       (248 )            NM
Net loss                            $ (30,312 ) $ (24,638 )   (5,674 )          23.0 %




                                            Nine Months Ended September 30,
                                                                        % Increase/
(In thousands)                        2021        2020       Change     (Decrease)
Revenues:
Product revenue, net                $  74,090   $  59,242   $ 14,848            25.1 %
Operating expenses:
Cost of sales                          14,791      12,887      1,904            14.8 %
Research and development               41,487      43,733     (2,246 )          (5.1 )%
Selling, general and administrative    81,993      81,341        652             0.8 %
Total operating expenses              138,271     137,961        310             0.2 %
Loss from operations                  (64,181 )   (78,719 )   14,538           (18.5 )%
Other (expense) income:
Interest income                           531         584        (53 )          (9.1 )%
Interest expense                      (16,156 )   (14,848 )   (1,308 )           8.8 %
Other expense                          (1,270 )      (581 )     (689 )         118.6 %
Total other (expense) income          (16,895 )   (14,845 )   (2,050 )          13.8 %
Loss before income taxes              (81,076 )   (93,564 )   12,488           (13.3 )%
Income tax expense                          -         495       (495 )            NM
Net loss                            $ (81,076 ) $ (94,059 )   12,983           (13.8 )%


Product Revenue

The following table presents the adjustments deducted from gross product revenue
to arrive at net product revenue for sales of ZILRETTA during the three and nine
months ended September 30, 2021 and 2020:

                            Three Months Ended September 30,               Nine Months Ended September 30,
(In thousands, except
for % of sales)          2021     % of Sales   2020     % of Sales     2021     % of Sales   2020     % of Sales
Product revenue, gross $ 30,825     100.0%   $ 27,704     100.0%     $ 95,283     100.0%   $ 68,498     100.0%
Adjustments to product
revenue, gross
Provider discounts and
rebates                  (3,245 )  (10.5)%     (1,329 )   (4.8)%       (9,048 )   (9.5)%     (2,757 )   (4.0)%
Estimate of product
returns                  (3,421 )  (11.1)%       (136 )   (0.5)%       (3,640 )   (3.8)%       (345 )   (0.5)%
All other                (2,833 )   (9.2)%     (2,575 )   (9.3)%       

(8,505 ) (8.9)% (6,154 ) (9.0)% Product revenue, net $ 21,326 69.2% $ 23,664 85.4% $ 74,090 77.8% $ 59,242 86.5%




Net product revenue for the three months ended September 30, 2021 and 2020, was
$21.3 million and $23.7 million, respectively. The number of ZILRETTA units sold
period-over-period increased, which resulted in an increase in net revenue of
$1.6 million, offset by

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a decrease of $3.9 million, which was attributable to a decrease in the net
price per unit. The decrease in net price was due to an increase in returns of
short-dated product, which resulted in a reduction of revenue of $3.4 million
for the three months ended September 30, 2021. The decrease in net price was
also attributed to the increase in rebates and discounts offered to healthcare
providers, partially offset by an increase in our gross sales price in the third
quarter of 2021.

Net product revenue for the nine months ended September 30, 2021 and 2020, was
$74.1 million and $59.2 million, respectively. The period-over-period increase
was due to an increase in the number of ZILRETTA units sold, which resulted in
an increase in net revenue of $20.3 million, offset by a decrease of $5.5
million, which was attributable to a decrease in the net price per unit
primarily due to provider rebate offerings and other discounts and the
aforementioned charge relating to product returns, partially offset by an
increase in our gross sales price in the third quarter of 2021. Net revenue for
the nine months ended September 30, 2020, included the adverse impact of
COVID-19 on the operations of healthcare providers, which resulted in a material
decline in net revenue as compared to our prior expectations.

For further discussion regarding our revenue recognition policy, see Note 2,
"Summary of Significant Accounting Policies," in the Notes to Condensed
Consolidated Financial Statements included in Part I, Item I of this Quarterly
Report on Form 10-Q.

Cost of Sales

Cost of sales was $3.7 million and $5.1 million for the three months ended
September 30, 2021 and 2020, respectively. For the three months ended September
30, 2021, cost of sales was comprised of $1.8 million related to the actual cost
of units sold and $0.7 million of period costs and other adjustments. In
addition, cost of sales for the three months ended September 30, 2021 included a
charge of $1.2 million related to the write-down of short-dated inventory that
will not be sold prior to expiry. For the three months ended September 30, 2020,
cost of sales was comprised of $2.0 million related to the actual cost of units
sold and $3.1 million of unabsorbed overhead associated with the voluntary,
temporary suspension of manufacturing activities at Patheon due to COVID-19
impacts on sales of ZILRETTA.

Cost of sales was $14.8 and $12.9 million for the nine months ended September
30, 2021 and 2020, respectively. For the nine months ended September 30, 2021,
costs of sales consisted of $7.1 million related to the actual cost of units
sold, $5.2 million of unabsorbed manufacturing and overhead costs related to the
operation of the facility at Patheon, $1.8 million related to the write-down of
short-dated inventory that will not be sold prior to expiry, and $0.7 million of
period costs and other adjustments For the nine months ended September 30, 2020,
cost of sales consisted of $5.6 million related to the actual cost of units
sold, $6.5 million of unabsorbed manufacturing overhead, and $0.8 million of
period costs and adjustments.

Research and Development Expenses



                                                  Three Months Ended September 30,
                                                                                % Increase/
(In thousands)                              2021         2020       Change      (Decrease)
Direct research and development expenses
by program:
ZILRETTA                                 $    1,675    $   1,043   $     632            60.6 %
FX201                                         3,358          831       2,527           304.1 %
FX301                                         1,839        1,160         679            58.5 %
Portfolio expansion                             226           72         154           213.9 %
Other                                           630          386         244            63.2 %
Total direct research and development
expenses                                      7,728        3,492       4,236           121.3 %
Personnel and other costs                     7,043        6,600         443             6.7 %
Total research and development expenses  $   14,771    $  10,092   $   4,679            46.4 %




                                                 Nine Months Ended September 30,
                                                                              % Increase/
(In thousands)                             2021        2020       Change      (Decrease)
Direct research and development
expenses by program:
ZILRETTA                                $    4,319   $   8,188   $  (3,869 )         (47.3 )%
FX201                                        6,715       5,789   $     926            16.0 %
FX301                                        7,878       4,362   $   3,516            80.6 %
Portfolio expansion                            691         279         412           147.7 %
Other                                        1,593       1,284         309            24.1 %
Total direct research and development
expenses                                    21,196      19,902       1,294             6.5 %
Personnel and other costs                   20,291      23,831      (3,540 

) (14.9 )% Total research and development expenses $ 41,487 $ 43,733 $ (2,246 ) (5.1 )%




Research and development expenses were $14.8 million and $10.1 million for the
three months ended September 30, 2021 and 2020, respectively. For the three
months ended September 30, 2021, development expenses for ZILRETTA increased by
$0.6 million due to an increase in ZILRETTA life cycle management activities.
Program expenses related to FX201 and FX301 increased by $2.5 million

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and $0.7 million, respectively, due to an increase in clinical trial activity,
and portfolio expansion-related expenses increased by $0.4 million. Personnel
and other costs also increased by $0.4 million due to an increase in salary and
other employee-related costs and stock-based compensation expense.

Research and development expenses were $41.5 million and $43.7 million for the
nine months ended September 30, 2021 and 2020, respectively. The decrease in
research and development expense of $2.2 million was primarily due to a decrease
of $3.9 million in development expense for ZILRETTA due to a reduction in
ZILRETTA life cycle management activities, and a decrease of $3.5 million in
salary and other employee-related costs and stock-based compensation expense
related to lower headcount. Decreases were partially offset by an increase of
$0.9 million related to FX201 due to increased clinical trial activity in 2021,
offset by the $2.5 million milestone payment related to dosing the first human
patient in the Phase 1 clinical trial that occurred in the first quarter of 2020
and an increase of $3.5 million related to FX301, which is attributed to the
achievement of certain development milestones, including the clearing of the IND
by FDA and the initiation of the Phase 1b clinical trial, both of which occurred
in the first quarter of 2021, and a $0.7 million increase in costs related to
our portfolio expansion.

Selling, General and Administrative Expenses



Selling, general and administrative expenses were $27.0 million and $27.3
million for the three months ended September 30, 2021 and 2020, respectively.
Selling expenses were $17.8 million and $19.3 million for the three months ended
September 30, 2021 and 2020, respectively. The year-over-year decrease in
selling expenses of $1.5 million was primarily due to lower headcount, partially
offset by the resumption of industry conferences and physician speaker programs
and increase in business travel. General and administrative expenses were $9.2
million and $8.0 million for the three months ended September 30, 2021 and 2020,
respectively, which represents an increase of $1.2 million. The increase was
largely attributable to acquisition costs related to the merger agreement with
Pacira.

Selling, general and administrative expenses were $82.0 million and $81.3
million for the nine months ended September 30, 2021 and 2020, respectively.
Selling expenses were $55.7 million and $56.5 million for the nine months ended
September 30, 2021 and 2020, respectively. The year-over-year decrease in
selling expenses of $0.8 million was primarily due to lower headcount and a
reduction in operating expenses, partially offset by the partial resumption of
industry conferences and physician speaker programs and increases in business
travel. General and administrative expenses were $26.3 million and $24.8 million
for the nine months ended September 30, 2021 and 2020, respectively, which
represents an increase of $1.5 million. The year-over-year increase was largely
attributable to acquisition costs related to the merger agreement with Pacira.

Other Income (Expense)



Interest income was $0.1 million for each of the three months ended September
30, 2021 and 2020, respectively. Interest income was $0.5 million and $0.6
million for the nine months ended September 30, 2021 and 2020.The decrease in
interest income was primarily due to a decrease in the average investment
balance as well as a decrease in interest rates over the period

Interest expense was $5.8 million and $5.1 million for the three months ended
September 30, 2021 and 2020, respectively. Interest expense was $16.2 million
and $14.8 million for the nine months ended September 30, 2021 and 2020,
respectively. The increase in interest expense was attributed to the loss on
debt extinguishment of $0.5 million recorded in connection with the 2021 Amended
Credit Agreement, which resulted in the partial repayment of the final payment
owed on the prior term loan agreement, as well as an increase in the
amortization of the debt discount on the 2024 Convertible Notes.

We recorded other expense of $0.4 million for the three months ended September
30, 2021, compared to $0.5 million for the three months ended September 30,
2020. Other expense was $1.3 million and $0.6 million for the nine months ended
September 30, 2021 and 2020, respectively. The increase in other expense was
primarily due to changes in the price of debt securities, resulting in increased
amortization of premiums, as well as an increase in foreign currency losses due
to exchange rate fluctuations.

Liquidity and Capital Resources



For the nine months ended September 30, 2021, we generated $74.1 million in net
product revenue. We have incurred significant net losses in each year since our
inception, including net losses of $113.7 million, $149.8 million, and $169.7
million, for fiscal years 2020, 2019, and 2018, respectively, and $81.1 million
for the nine months ended September 30, 2021. As of September 30, 2021, we had
an accumulated deficit of $863.4 million. We anticipate that we will continue to
incur losses over the next few years.

Since our inception through September 30, 2021, we have funded our operations
primarily through the sale of our common stock and convertible preferred stock
and convertible debt, and through venture debt financing, including amounts from
our initial and follow-on public offerings, as well as our term loan and
revolving credit facility and our 2024 Convertible Notes issuance. This funding
is necessary to support the commercialization of ZILRETTA and to perform the
research and development activities required to develop our other product
candidates in order to generate potential future revenue streams. We may not be
able to obtain financing on acceptable terms, or at all. In particular, as a
result of the COVID­19 pandemic and actions taken to slow its spread, the global
credit and financial markets have experienced extreme volatility and
disruptions, including diminished liquidity and credit availability, declines in
consumer confidence, declines in economic growth, increases in unemployment
rates, and uncertainty about economic stability. If the equity and credit
markets deteriorate, it may make any additional debt or equity financing more
difficult, more costly, and more dilutive.

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We expect that our research and development expenses will increase in 2021 and
beyond and, as a result, we may need additional capital to fund our operations,
which we may seek to obtain through one or more equity offerings, debt and
convertible debt financings, government or other third-party funding, and
licensing or collaboration arrangements.

If the recent decrease in revenue as compared to our expectations continues, we
anticipate that absent raising additional capital through financing or other
transactions, our cash balance is likely to decrease below $100.0 million within
the next twelve months. If this occurs, under the terms of the 2021 Amended
Credit Agreement, we would become subject to a minimum revenue covenant and we
believe there is substantial risk that we would fail to meet the minimum revenue
covenant at that time or shortly thereafter. If we become subject to the minimum
revenue covenant and fail to comply with it, the lenders could elect to declare
all amounts outstanding to be immediately due and payable. While we would expect
to request a waiver from the lenders, there can be no assurances that such a
request would be granted or would not be conditioned on additional terms or
concessions, or that we would be able to raise additional capital to avoid
application of the minimum revenue covenant. These conditions raise substantial
doubt about our ability to continue as a going concern for a period of one year
after the date that the financial statements are issued.

As of September 30, 2021, we had cash, cash equivalents, and marketable
securities of $142.1 million. Management believes that current cash, cash
equivalents, and marketable securities on hand at September 30, 2021, and taking
into account our plans to reduce operating expenses, request a waiver of the
minimum revenue covenant from the lenders, and remain opportunistic with respect
to raising additional capital through financing or other transactions, should be
sufficient to fund operations for at least the next twelve months from the
issuance date of these financial statements. However, as we are expecting to
close the planned merger with Pacira prior to the end of 2021, none of the above
actions have been taken or have been approved to be taken and therefore cannot
be considered in Management's going concern evaluation as a mitigating action.

We have concluded that without taking into consideration the planned merger with
Pacira, Management's plans do not alleviate the substantial doubt about our
ability to continue as a going concern. As the planned merger transaction with
Pacira has not occurred as of the issuance of these financial statements, it
also cannot be considered within Management's plans to alleviate the conditions
raised around substantial doubt. As a result, in accordance with the
requirements of ASC 205-40, management has concluded that it is required to
disclose that substantial doubt exists about our ability to continue as a going
concern for one year from the date the financial statements included in this
report are issued.

Cash in excess of immediate requirements is invested in accordance with our investment policy, primarily with an objective of capital preservation.



On July 30, 2021, we entered into a second amendment (the "2021 Amended Credit
Agreement") to our Amended and Restated Credit and Security Agreement (the
"Existing Credit Agreement") with Silicon Valley Bank, as agent and lender,
MidCap Financial Trust, MidCap Funding XIII Trust, and the other lenders from
time to time party thereto (collectively, the "Lenders"), providing for a term
loan facility of up to $75.0 million, with $55.0 million available at closing
and an additional $20.0 million (the "second tranche") available upon positive
Phase 1 clinical trial data in either of our two pipeline programs, FX201 and
FX301, sufficient to initiate a Phase 2 clinical study, and a revolving credit
facility of up to $25.0 million, both of which mature on February 1, 2024, which
may be extended to July 1, 2026, upon satisfaction of certain specified
conditions set forth in the 2021 Amended Credit Agreement (the "Maturity Date").
We concurrently borrowed the $55.0 million term loan (the "2021 term loan"),
simultaneously used $48.1 million of the proceeds to repay the outstanding term
loan under the Existing Credit Agreement, and drew down $20.0 million from the
revolving credit facility, bringing the total revolver balance to $25.0 million.

The 2021 Amended Credit Agreement contains certain representations, warranties,
and covenants, including a minimum revenue covenant that will be in effect at
any time our liquidity (defined as cash, cash equivalents and marketable
securities held with Silicon Valley Bank and certain accounts receivable as
deemed eligible under the 2021 Amended Credit Agreement) is below $100.0 million
(if the second tranche is undrawn) or $120.0 million (if the second tranche is
drawn). Additionally, if our liquidity is below $100.0 million, all amounts
received from customer collections will be applied immediately to reduce the
revolving credit facility. The minimum revenue covenant, if it applies in the
future, is applied to the trailing six-months of net revenue and is determined
based on our approved forecast, as determined by the Lenders. If the revenue
covenant becomes applicable and we fail to comply with it, the amounts due under
the 2021 Amended Credit Agreement could be declared immediately due and payable.

Term loan borrowings under the 2021 Amended Credit Agreement accrue interest
monthly at a floating interest rate equal to the greater of (i) the Prime Rate
plus 2.75% or (ii) 6.00% per annum. Under the term loan credit facility,
following an interest-only period ending on August 1, 2023 (if the second
tranche is undrawn) or August 1, 2024 (if the second tranche is drawn),
principal is due in equal monthly installments through the Maturity Date. We may
prepay the term loan at any time by paying the outstanding principal balance, a
final payment equal to 4.75% of the term loan amount, all accrued interest, and
a prepayment fee of 3% of the outstanding term loan amount if repaid in the
first year, 2% of the outstanding term loan amount if repaid in the second year,
and 1% of the outstanding term loan amount if repaid in the third year of the
loan; no prepayment fee is required thereafter.

Revolving borrowings under the 2021 Amended Credit Agreement accrue interest
monthly at a floating interest rate equal to the greater of (i) the Prime Rate
plus 1.75% or (ii) 5.00% per annum. The revolving credit facility is co-terminus
with the term loan credit facility. If the interest payment on the revolving
credit facility is less than the amount of interest that would have been payable
had we borrowed 25% of the total commitments under the revolving credit
facility, or the Revolving Commitment Amount, then we will be required to pay
the difference. We are also required to pay a facility fee in respect of the
revolving credit facility equal to 0.5% of the

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Revolving Commitment Amount payable at closing and 0.5% of the Revolving
Commitment Amount payable on the first anniversary of closing. We may retire the
revolving credit facility early, at any time, by paying the outstanding
principal balance, all accrued interest, and a termination fee equal to 2% of
the Revolving Commitment Amount if repaid in the first year, and 1% of the
Revolving Commitment Amount if repaid in the second year; with no termination
fee thereafter. To the extent any portion of the Revolving Commitment Amount is
undrawn, we will be required to pay an "unused line fee" equal to 0.25% per
annum of the average unused portion of the Revolving Commitment Amount,
calculated on a calendar year basis as an amount equal to the difference between
(i) the Revolving Commitment Amount and (ii) the greater of (A) 25.0% of the
Revolving Commitment Amount, and (B) the average for the period of the daily
closing balance of the Revolving Commitment Amount outstanding.

On November 4, 2020, we entered into a Distribution Agreement with Goldman Sachs
& Co. LLC and Credit Suisse Securities (USA) LLC (collectively, the "Managers")
relating to the issuance and sale from time to time of up to $100,000,000 of
shares of our common stock. Under the terms of the Distribution Agreement, we
will pay the Managers a commission of up to 3% of the gross sales price of any
shares sold. As of September 30, 2021, 134,048 shares had been sold under the
Distribution Agreement, for total net proceeds of $1.7 million.

We are subject to a variety of specified liquidity and capitalization
restrictions under the Merger Agreement. Unless we obtain Pacira's prior written
consent (which consent may not be unreasonably withheld, conditioned or delayed)
and except (i) as required or expressly contemplated by the Merger Agreement,
(ii) as required by applicable law or (iii) as set forth in the confidential
disclosure schedule we delivered to Pacira, we may not, among other things and
subject to certain exceptions and aggregate limitations, incur additional
indebtedness, issue additional shares of our common stock outside of our equity
incentive plans, repurchase our common stock, pay dividends, acquire assets,
securities or property, dispose of businesses or assets, enter into material
contracts or make certain additional capital expenditures.

The following table shows a summary of our cash flows for the nine months ended
September 30, 2021 and 2020:

                                                        Nine Months Ended September 30,
(In thousands)                                              2021                2020
Cash flows used in operating activities               $        (51,441 )  $        (60,819 )
Cash flows provided by (used in) investing activities           60,234             (10,665 )
Cash flows provided by financing activities                     20,327      

117,868


Net increase in cash and cash equivalents             $         29,120    $ 

46,384

Net Cash Used in Operating Activities



Operating activities used $51.4 million of cash in the nine months ended
September 30, 2021. Cash used in operating activities resulted primarily from
our net loss for the period of $81.1 million, partially offset by changes in our
operating assets and liabilities of $2.9 million and non-cash charges of $26.7
million. Changes in our operating assets and liabilities consisted primarily of
a $0.7 million decrease in accounts receivable and an increase of $6.0 million
in accounts payable and accrued expense, partially offset by a $1.5 million
increase in prepaid expenses and other current assets, a $1.0 million increase
in inventory, and a $1.1 million decrease in lease liabilities primarily due to
principal lease payments. Our non-cash charges consisted primarily of $12.8
million of stock-based compensation expense, $7.8 million related to the
amortization of the debt discount and debt issuance costs related to the 2024
Convertible Notes, $1.3 million related to the amortization of right-of-use
assets, $1.6 million of depreciation, $0.5 million of non-cash interest expense
related to amortization of the final payment due on the 2021 term loan, $0.4
million of amortization of premiums paid for the purchase of marketable
securities, $0.5 million related to the loss of debt extinguishment, and $1.8
million related to the provision for inventory for the write-down of short-dated
ZILRETTA inventory that is not expected to be sold prior to expiry.

Operating activities used $60.8 million of cash in the nine months ended
September 30, 2020. The cash flow used in operating activities resulted
primarily from our net loss for the period of $94.1 million, partially offset by
changes in our operating assets and liabilities of $10.1 million and non-cash
charges of $23.1 million. Changes in our operating assets and liabilities
consisted primarily of a $9.2 million decrease in accounts receivable, and a
$10.0 million increase in deferred revenue related to the license agreement with
HK Tainuo, partially offset by a $1.1 million increase in inventory, a $0.5
million increase in prepaid expenses and other current assets, a decrease of
$6.5 million in accounts payable and accrued expenses and a $1.0 million
decrease in lease liabilities and other long-term liabilities primarily due to
principal lease payments. Our non-cash charges consisted primarily of $13.4
million of stock-based compensation expense, $6.9 million related to the
amortization of the debt discount and debt issuance costs related to the 2024
Convertible Notes, $1.2 million related to the amortization of right-of-use
assets, $1.3 million of depreciation, $0.5 million of non-cash interest expense
related to amortization of the final payment due on the 2019 term loan and $0.3
million related to the loss on disposal of fixed assets, partially offset by
$0.5 million of premiums paid for the purchase of marketable securities.

Net Cash Provided by (Used in) Investing Activities



Net cash provided by investing activities was $60.2 million in the nine months
ended September 30, 2021. Net cash provided by investing activities consisted
primarily of cash received for the redemption and sale of marketable securities
of $67.1 million, partially offset by cash used to purchase marketable
securities of $5.2 million and capital expenditures of $1.7 million, primarily
relating to the purchase of equipment associated with the expansion of our
manufacturing facilities at Patheon.

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Net cash used in investing activities was $10.7 million in the nine months ended
September 30, 2020. Net cash used in investing activities consisted primarily of
purchases of marketable securities of $56.2 million and capital expenditures of
$8.9 million, primarily relating to the purchase of equipment associated with
the expansion of our manufacturing facilities at Patheon. These expenses were
partially offset by cash received for the redemption and sale of marketable
securities of $54.4 million.

Net Cash Provided by Financing Activities



Net cash provided by financing activities was $20.3 million for the nine months
ended September 30, 2021, which consisted of $55.0 million and $20.0 million of
additional term loan and revolving credit facility borrowings, respectively,
under the 2021 Amended Credit Agreement, $0.9 million related to employee stock
purchases through our employee stock purchase plan, and $1.7 million related to
the net proceeds received from the sale of common stock under our Distribution
Agreement. Increases were partially offset by a decrease of $56.9 million of
principal payments and partial repayment of the final payment under the 2019
term loan, $0.2 million related the payment of debt issuance costs related to
the 2021 Amended Credit Agreement, and $0.1 million of public offering costs
paid during the period.

Net cash provided by financing activities was $117.9 million for the nine months
ended September 30, 2020, of which $97.2 million related to the net proceeds
received from the offering of our common stock, partially offset by public
offering costs paid during the period of $0.4 million, $0.1 million received
from the exercise of stock options and $0.9 million relating to employee stock
purchases through our employee stock purchase plan, as well as $20.0 million
borrowed under the revolving credit facility associated with our 2019 term loan.

Contractual Obligations



For a discussion of our contractual obligations, see "Item 7. Management's
Discussion and Analysis of Financial Condition and Results of Operations" in our
2020 Annual Report on Form 10-K. There have not been any material changes to
such contractual obligations or potential milestone payments since December 31,
2020, other than as described in Notes 9, 12, and 13 to our unaudited
consolidated financial statements included elsewhere in this report.

Off-Balance Sheet Arrangements

During the periods presented, we did not have, nor do we currently have, any off-balance sheet arrangements.

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