You should read the following discussion and analysis of our financial condition
and results of operations together with our consolidated financial statements
and related notes and other financial information appearing in this Quarterly
Report on Form 10-Q. Some of the information contained in this discussion and
analysis or set forth elsewhere in this Quarterly Report on Form 10-Q, including
information with respect to our plans and strategy for our business, operations,
and product candidates, includes forward-looking statements that involve risks
and uncertainties. Factors that may cause actual results to differ materially
from current expectations include, among other things, those described under the
heading "Risk Factors" and discussed elsewhere in this Quarterly Report on Form
10-Q.

Overview

We are a clinical-stage biopharmaceutical company focused on identifying,
developing, and commercializing innovative therapies that change patients' lives
for the better. We concentrate on small-molecule therapeutics with novel
mechanisms of action for the treatment of severe, life-threatening diseases with
few or no approved therapies. Our lead programs are in rare forms of chronic
kidney disease (CKD) and a rare neurological disease. We have announced positive
topline data from registrational studies for both of our lead product
candidates, bardoxolone methyl (bardoxolone) in patients with CKD caused by
Alport syndrome and omaveloxolone in patients with a neurological disorder
called Friedreich's ataxia (FA). Both bardoxolone and omaveloxolone activate the
transcription factor Nrf2 to normalize mitochondrial function, restore redox
balance, and resolve inflammation. Because mitochondrial dysfunction, oxidative
stress, and inflammation are features of many diseases, we believe bardoxolone
and omaveloxolone have many potential clinical applications. We possess
exclusive, worldwide rights to develop, manufacture, and commercialize
bardoxolone, omaveloxolone, and our next-generation Nrf2 activators, excluding
certain Asian markets for bardoxolone in certain indications, which are licensed
to KKC.

First Quarter 2020 Key Developments

COVID-19 Risk Mitigation



In the first quarter of 2020, coronavirus disease (COVID-19) emerged as a
pandemic with serious public health implications and the potential to disrupt
business operations worldwide. As this risk became evident on a global scale, we
undertook a series of measures to protect the health and safety of patients and
health care workers involved in ongoing clinical studies of our investigational
medicines, as well as our employees and collaborators.

We conduct clinical studies in many countries around the world that are being
impacted by the COVID-19 pandemic. Regulatory agencies, governments, and health
care providers have implemented restrictive measures designed to reduce
potential exposure to the virus, particularly for patients at increased risk of
severe illness. For each clinical development program, we are working with
health care providers to implement changes that mitigate risk to patients;
comply with regulatory, institutional, and government guidance; and maintain the
integrity of our ongoing clinical studies.

CATALYST and RANGER Trials Closed



In addition to our lead programs in rare forms of CKD and a rare neurological
disease, we are exploring additional clinical and preclinical programs. In
pulmonary disease, we have been conducting the Phase 3 CATALYST study of
bardoxolone in pulmonary arterial hypertension (PAH) caused by connective tissue
disease (CTD-PAH). In March 2020, we announced that the CATALYST study was
stopped in consideration of the risk of severe, adverse outcomes associated with
COVID-19 among patients with respiratory and autoimmune diseases, and after
consultation with the study's Data Safety Monitoring Board (DSMB). CTD-PAH is a
rare, serious, and progressive disease that leads to heart failure and death. We
concluded that continued exposure of these high-risk patients to clinic or
in-person visits at this time presented an unacceptable risk to their health.

An initial review of CATALYST safety data conducted by the DSMB and provided to
us suggests that bardoxolone was well-tolerated, with fewer patients
discontinuing in the bardoxolone arm compared to the placebo arm. There were no
deaths in the bardoxolone arm, and fewer patients reported serious adverse
events (SAEs) in the bardoxolone arm compared to the placebo arm. While no
futility analyses have been performed, an initial review of

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available efficacy data provided by the DSMB suggests that the study is unlikely
to meet the primary endpoint of improvement in six-minute walk distance compared
to placebo at Week 24. After the data are formally analyzed, we will provide
safety and efficacy data for CATALYST at a future medical meeting. Concomitant
with the close of CATALYST, we also closed RANGER, the open-label extension
study of bardoxolone in patients with PAH.

CARDINAL and EAGLE Trials Adapted for Continuity



The Phase 3 CARDINAL trial of bardoxolone in patients with CKD caused by Alport
syndrome is fully enrolled and ongoing. We have implemented the use of at-home
visits as an alternative to in-clinic visits when necessary to collect blood
draws and to assess patient safety. We also arranged for home delivery of the
study drug to patients. At this time, we do not believe that the COVID-19
pandemic will have a significant impact on our ability to complete the study or
execute on the planned New Drug Application (NDA) submission for
CARDINAL. Patients who participated in the CARDINAL study are eligible to enroll
in an open-label extension study known as EAGLE. We are implementing procedures
for the conduct of EAGLE that are similar to those being used in CARDINAL to
ensure continued access to bardoxolone and appropriate safety monitoring.

FALCON Trial Enrollment Temporarily Paused



We have temporarily paused enrollment of new patients in the Phase 3 FALCON
trial of bardoxolone in patients with autosomal dominant polycystic kidney
disease (ADPKD). Patients already enrolled in FALCON will continue in the
study. We are implementing procedures for the conduct of FALCON that are similar
to those being used in CARDINAL to ensure continued access to study drug and
appropriate safety monitoring. Patient screening and enrollment will resume as
soon as the situation permits.

MOXIe Extension Study Advanced with Modifications



The MOXIe Part 2 trial of omaveloxolone in patients with FA was completed prior
to the onset of the COVID-19 pandemic. At this time, we do not believe that
COVID-19 will have a significant impact on our ability to execute on the planned
NDA submission for omaveloxolone in FA. Patients who participated in MOXIe Part
1 or 2 were eligible to enroll in an open-label extension portion of the
study. We are implementing procedures for the conduct of the MOXIe extension
study that are similar to those being used in our other ongoing studies to
ensure continued access to omaveloxolone and appropriate safety monitoring.

Adjustments to Business Operations



In accordance with recommendations from local, state, and national health
authorities, we have implemented work-from-home measures and additional safety
protocols to protect employees and the broader community and to ensure business
continuity. We have restricted on-site staff to only those required to execute
their job responsibilities and limited the number of staff working in our
research and development laboratory. We have suspended all in-person meetings
and international travel, and sharply limited travel within the United
States. We have also suspended attendance at medical congresses, conferences,
and other large events. We will continue to monitor this dynamic situation
closely and will take additional measures as required to preserve the safety of
our employees and broader community.

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Background: Our Programs

The following chart outlines each of our programs by indication and phase:


                                [[Image Removed]]

In addition, KKC, our strategic collaborator in CKD, is currently conducting its
registrational trial of bardoxolone in diabetic (type 1 and 2) CKD in Japan. KKC
completed patient enrollment in this trial in June 2019 and expects to have
topline data in the first half of 2022.

Programs in CKD



We are developing bardoxolone for the treatment of patients with certain rare
forms of CKD. CKD is characterized by a progressive worsening in the rate at
which the kidney filters waste products from the blood, called the glomerular
filtration rate (GFR). When GFR gets too low, patients develop end-stage kidney
disease (ESKD) and require dialysis or a kidney transplant to survive. Dialysis
leads to a reduced quality of life and increases the likelihood of serious and
life-threatening complications. The five-year survival rate for hemodialysis
patients is only approximately 42%.

Estimated glomerular filtration rate (eGFR) is an estimate of GFR that
nephrologists use to track the decline in kidney function and progression of
CKD. In 11 separate CKD clinical trials, bardoxolone has been shown to improve
eGFR in patients with diverse etiologies of CKD. We believe that bardoxolone
treatment has the potential to delay or prevent GFR declines that cause the need
for dialysis or a transplant in patients with Alport syndrome, ADPKD, and other
rare forms of CKD.

Bardoxolone in CKD Caused by Alport Syndrome

We are developing bardoxolone for the treatment of patients with CKD caused by Alport syndrome, ADPKD, and other rare forms of CKD that, in the aggregate, affect more than 700,000 patients in the United States.



Alport syndrome is a rare, genetic form of CKD caused by mutations in the genes
encoding type IV collagen, which is a major structural component of the
glomerular basement membrane in the kidney. The kidneys of patients with Alport
syndrome progressively lose the capacity to filter waste products out of the
blood, which can lead to ESKD and the need for chronic dialysis treatment or a
kidney transplant. Alport syndrome affects both children and adults. In patients
with the most severe forms of the disease, approximately 50% progress to
dialysis by age 25, 90% by age 40, and nearly 100% by age 60.  According to the
Alport Syndrome Foundation, Alport syndrome

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affects approximately 30,000 to 60,000 people in the United States. There are currently no approved therapies to treat CKD caused by Alport syndrome.



In November 2019, we announced that the Phase 3 portion of the CARDINAL study of
bardoxolone in patients with CKD caused by Alport syndrome met its primary and
key secondary Year 1 endpoints. After 48 weeks of treatment, patients treated
with bardoxolone had a statistically significant improvement compared to placebo
in mean eGFR of 9.50 mL/min/1.73 m2 (p<0.0001). At Week 52, patients treated
with bardoxolone had a statistically significant improvement compared to placebo
in mean retained eGFR, which is the eGFR change after a four-week withdrawal of
drug, of 5.14 mL/min/1.73 m2 (p=0.0012). After 52 weeks, patients in the placebo
arm of CARDINAL lost an average of 6.1 mL/min/1.73 m2. Based on these positive
results, and subject to discussions with regulatory authorities, we plan to
proceed with the submission of regulatory filings this year for marketing
approval in the United States.

Bardoxolone in ADPKD



ADPKD is a rare and serious hereditary form of CKD caused by a genetic defect in
PKD1 or PKD2 genes leading to the formation of fluid-filled cysts in the kidneys
and other organs. Cyst growth can cause the kidneys to expand up to five to
seven times their normal volume, leading to pain and progressive loss of kidney
function. ADPKD affects both men and women of all racial and ethnic groups and
is the leading inheritable cause of kidney failure with an estimated diagnosed
population of 140,000 patients in the United States. Despite current standard of
care treatment, an estimated 50% of ADPKD patients progress to ESKD and require
dialysis or a kidney transplant by 60 years of age.

In a Phase 2 study called PHOENIX, bardoxolone demonstrated a statistically
significant increase from baseline in mean eGFR of 9.3 mL/min/1.73 m2 after 12
weeks of treatment in 31 patients with ADPKD. Available historical data for 29
of these patients showed an average annual decline in eGFR of 4.8 mL/min/1.73 m2
in the three-year period prior to study entry. The United States Food and Drug
Administration (FDA) has provided us with written guidance that, in patients
with ADPKD, an analysis of retained eGFR demonstrating an improvement versus
placebo after one year of bardoxolone treatment may support accelerated
approval, and an improvement versus placebo after two years of treatment may
support full approval. In May 2019, we began enrollment in FALCON, an
international, multi-center, randomized, double-blind, placebo-controlled Phase
3 trial studying the safety and efficacy of bardoxolone in approximately 300
patients with ADPKD. In March of 2020, we announced that enrollment of new
patients was temporarily paused due to safety concerns related to the COVID-19
global pandemic. The trial will enroll a broad range of patients from 18 to 70
years old with an eGFR between 30 to 90 mL/min/1.73 m².

Bardoxolone in Other Rare Forms of CKD



Three additional rare forms of CKD were studied in PHOENIX, including IgA
nephropathy (IgAN), type 1 diabetic CKD (T1D CKD), and focal segmental
glomerulosclerosis (FSGS). In each of these Phase 2 cohorts, bardoxolone
demonstrated a statistically significant increase from baseline in mean eGFR
after 12 weeks of treatment. We plan to pursue each of these rare and serious
forms of CKD as commercial indications.

The FDA has granted orphan drug designation to bardoxolone for the treatment of
Alport syndrome and ADPKD, and the European Commission has granted orphan drug
designation to bardoxolone for the treatment of Alport syndrome.

Historical Development of Bardoxolone



Prior to our CARDINAL Phase 3 trial, clinical trials enrolling over 2,000
patients exposed to bardoxolone have demonstrated consistent, clinically
meaningful improvement in kidney function across several disease states as
measured by eGFR and other markers of kidney function. Specifically, we have
observed statistically significant increases in eGFR in all Phase 2 and Phase 3
clinical trials in seven distinct patient populations treated with bardoxolone,
including patients with PAH and CKD caused by type 2 diabetes (T2D CKD), Alport
syndrome, ADPKD, IgAN, T1D CKD, and FSGS.

We believe these data, in addition to the CARDINAL Phase 3 data, support the
potential for bardoxolone to delay or prevent dialysis, kidney transplant, and
death in patients with Alport syndrome and other forms of CKD.

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Additional observations from the prior clinical trials of bardoxolone include the following:

• Statistically significant increases in directly-measured GFR using the

"gold standard" inulin clearance method, improvements in creatinine


          clearance, and reduction in the levels of blood waste products filtered
          by the kidney.


     •    Statistically significant improvements in eGFR versus baseline or
          placebo in six different types of CKD, including Alport syndrome, ADPKD,
          IgAN, T1D CKD, T2D CKD, and FSGS.


  • Sustained improvement in kidney function in long-term trials:


        o   In the Phase 2 portion of CARDINAL, bardoxolone treatment produced a
            statistically significant increase from baseline in mean eGFR of 10.4
            mL/min/1.73 m2 (p<0.0001) after 48 weeks of treatment, which, based on
            historical data available for 22 of the patients prior to

enrolling in


            the trial, represents a recovery of over two years of average decline
            in kidney function.


        o   In two large, placebo-controlled clinical studies (BEAM and BEACON) in
            patients with T2D CKD, statistically significant increases in mean
            eGFR of 14.9 mL/min/1.73 m2 (p<0.001) and 5.6 mL/min/1.73 m2
            (p<0.001), respectively, were sustained for at least one year.


     •    Reduction in risk of adverse kidney outcomes, suggesting that

          bardoxolone treatment preserves kidney function and may delay the onset
          of kidney failure in patients with T2D and stage 4 CKD:

o In BEACON, patients randomized to bardoxolone were significantly less


            likely to experience adverse kidney outcomes as defined by a composite
            endpoint consisting of ?30% decline from baseline in eGFR, eGFR <15
            mL/min/1.73 m2, or ESKD events (HR=0.48, p<0.0001).


        o   In BEACON, bardoxolone treatment resulted in a decreased number of
            kidney-related SAEs and ESKD events.

• Statistically significant improvement in retained eGFR above baseline in

BEAM, BEACON, the Phase 2 portion of CARDINAL at one year, and the Phase

3 portion of CARDINAL at one year.

o The FDA has provided guidance to us and other sponsors that clinical


            trials with a retained eGFR benefit versus placebo may support
            approval in certain rare forms of CKD. The FDA has provided 

guidance


            to us that, in patients with CKD caused by Alport syndrome or 

ADPKD, a


            retained eGFR benefit versus placebo after one year of 

bardoxolone


            treatment may support accelerated approval and after two years of
            bardoxolone treatment may support full approval.


        o   We believe the retained eGFR benefit observed in these clinical trials
            demonstrates that bardoxolone treatment improved the structure of the
            kidney, modified the course of the disease, and may prevent or delay
            kidney failure and the need for dialysis or a kidney

transplant.

Programs in Neurological Diseases

Omaveloxolone in FA



We are developing omaveloxolone for the treatment of patients with FA, an
inherited, debilitating, and degenerative neuromuscular disorder that is
typically diagnosed during adolescence and typically leads to premature
death. Patients with FA experience progressive loss of coordination, muscle
weakness, and fatigue, which commonly progresses to motor incapacitation and
wheelchair reliance. Symptoms generally occur in children, with patients
requiring a wheelchair by their teens or early 20s. FA affects approximately
5,000 children and adults in the United States and 22,000 individuals
globally. There are currently no approved therapies to treat FA.

In October 2019, we announced that the registrational part 2 portion of the
MOXIe Phase 2 trial of omaveloxolone in patients with FA met its primary
endpoint of change in the modified Friedreich's Ataxia Rating Scale (mFARS)
relative to placebo after 48 weeks of treatment. Patients treated with
omaveloxolone (150 mg/day) demonstrated a statistically significant,
placebo-corrected 2.40 point mean improvement (decrease) in mFARS after 48 weeks
of treatment (p=0.014). Patients treated with omaveloxolone demonstrated
improvement in every subcategory measured under mFARS. Omaveloxolone treatment
was generally reported to be well-tolerated. Based on these positive results,
and subject to discussions with regulatory authorities, we plan to proceed with
the submission of regulatory filings this year for marketing approval of
omaveloxolone for the treatment of FA in the

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United States. The FDA and the European Commission have granted orphan drug designation to omaveloxolone for the treatment of FA.

Omaveloxolone in Other Potential Indications



In addition, we have observed compelling activity of omaveloxolone and our other
Nrf2 activators in preclinical models of Parkinson's disease, dementia,
epilepsy, Huntington's disease, and amyotrophic lateral sclerosis (ALS), and we
plan to pursue the development of omaveloxolone and our other Nrf2 activators
for one or more of these diseases.

RTA 901 in Neurodegeneration and Neuroprotection Diseases



We are also developing RTA 901 in neurological indications. RTA 901 is the lead
product candidate from our Hsp90 modulator program. We have observed favorable
activity of RTA 901 in a range of preclinical models of neurological disease,
including models of diabetic neuropathy, neuroinflammation, and neuropathic
pain. We have completed a Phase 1 trial to evaluate the safety, tolerability,
and pharmacokinetic profile of RTA 901 administered orally, once-daily in
healthy adult volunteers, and no safety or tolerability concerns were
reported. We plan to continue development for RTA 901 in neurological diseases,
such as diabetic neuropathy. We are the exclusive licensee of RTA 901 and have
worldwide commercial rights.

Other Clinical Programs



In addition, we are developing RTA 1701, the lead product candidate from our
proprietary series of ROR?t inhibitors, for the potential treatment of a broad
range of autoimmune, inflammatory, and fibrotic diseases. We have completed a
Phase 1 trial to evaluate the safety, tolerability, and pharmacokinetic profile
of RTA 1701 in healthy adult volunteers. No safety or tolerability concerns were
reported, and we observed an acceptable pharmacokinetic profile. We plan to
continue development for RTA 1701 in autoimmune, inflammatory, or fibrotic
diseases. We retain all rights to our ROR?t inhibitors, which are not subject to
any existing commercial collaborations.



Corporate Overview



To date, we have focused most of our efforts and resources on developing our
product candidates and conducting preclinical studies and clinical trials. We
have historically financed our operations primarily through revenue generated
from our collaborations with AbbVie and KKC, from sales of our securities, and
with secured loans. We have not received any payments or revenue from
collaborations other than nonrefundable upfront, milestone, and cost sharing
payments from our collaborations with AbbVie and KKC and reimbursements of
expenses under the terms of our agreement with KKC. We have incurred losses in
each year since our inception, other than in 2014. As of March 31, 2020, we had
$624.5 million of cash and cash equivalents and an accumulated deficit of $759.4
million. We continue to incur significant research and development and other
expenses related to our ongoing operations. Despite contractual product
development commitments and the potential to receive future payments from KKC,
we anticipate that we will continue to incur losses for the foreseeable future,
and we anticipate that our losses will increase as we continue our development
of, seek regulatory approval for, and potential commercialization of our product
candidates. If we do not successfully develop and obtain regulatory approval of
our existing product candidates or any future product candidates and effectively
manufacture, market, and sell any products that are approved, we may never
generate revenue from product sales. Furthermore, even if we do generate revenue
from product sales, we may never again achieve or sustain profitability on a
quarterly or annual basis. Our prior losses, combined with expected future
losses, have had and will continue to have an adverse effect on our
stockholders' equity and working capital. Our failure to become and remain
profitable could depress the market price of our Class A common stock and could
impair our ability to raise capital, expand our business, diversify our product
offerings, or continue our operations.

Financial Operations Overview

Revenue



Our revenue to date has been generated primarily from licensing fees received
under our collaborative license agreements and reimbursements for expenses. We
currently have no approved products and have not generated any

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revenue from the sale of products to date. In the future, we may generate
revenue from product sales, royalties on product sales, reimbursements for
collaboration services under our current collaboration agreements, or license
fees, milestones, or other upfront payments if we enter into any new
collaborations or license agreements. We expect that our future revenue will
fluctuate from quarter to quarter for many reasons, including the uncertain
timing and amount of any such payments and sales.

Our license and milestone revenue has been generated primarily from the KKC
Agreement, the AbbVie License Agreement, and the AbbVie Collaboration Agreement
and consists of upfront payments and milestone payments. License revenue
recorded with respect to the KKC Agreement, the AbbVie License Agreement, and
the AbbVie Collaboration Agreement consists solely of the recognition of
deferred revenue. Under our revenue recognition policy, collaboration revenue
associated with upfront, non-refundable license payments received under our
license and collaboration agreements are deferred and recognized ratably over
the expected term of the performance obligations under each agreement. Under the
Reacquisition Agreement, we no longer have performance obligations under the
AbbVie License Agreement and the AbbVie Collaboration Agreement. We only expect
to recognize revenue under the KKC Agreement, which extends through 2021.

Research and Development Expenses



The largest component of our total operating expenses has historically been our
investment in research and development activities, including the clinical
development of our product candidates. From our inception through March 31,
2020, we have incurred a total of $822.6 million in research and development
expense, a majority of which relates to the development of bardoxolone and
omaveloxolone. We expect our research and development expense to continue to
increase in the future as we advance our product candidates through clinical
trials and expand our product candidate portfolio. The process of conducting the
necessary clinical research to obtain regulatory approval is costly and
time-consuming, and we consider the active management and development of our
clinical pipeline to be crucial to our long-term success. The actual probability
of success for each product candidate and preclinical program may be affected by
a variety of factors, including the safety and efficacy data for product
candidates, investment in the program, competition, manufacturing capability,
and commercial viability.

Research and development expenses include:

• expenses incurred under agreements with clinical trial sites that conduct

research and development activities on our behalf;

• expenses incurred under contract research agreements and other agreements

with third parties;

• employee and consultant-related expenses, which include salaries,

benefits, travel, and stock-based compensation;

• laboratory and vendor expenses related to the execution of preclinical

and non-clinical studies and clinical trials;

• the cost of acquiring, developing, manufacturing, and distributing

clinical trial materials;

• the cost of development, scale up, and process validation activities to

support product registration; and

• facilities, depreciation, and other expenses, which include direct and

allocated expenses for rent and maintenance of facilities, insurance, and

other supply costs.




Research and development costs are expensed as incurred. Costs for certain
development activities such as clinical trials are highly judgmental and are
recognized based on an evaluation of the progress to completion of specific
tasks using information and data provided to us by our vendors and our clinical
sites.

We base our expense accruals related to clinical trials on our estimates of the
services received and efforts expended pursuant to contracts with multiple
research institutions and contract research organizations (CROs) that conduct
and manage clinical trials on our behalf. The financial terms of these
agreements vary from contract to contract and may result in uneven payment
flows. Payments under some of these contracts depend on factors such as the
successful enrollment of patients and the completion of clinical trial
milestones. In accruing costs, we estimate the time period over which services
will be performed and the level of effort to be expended in each period. If we
do not identify costs that we have begun to incur or if we underestimate or
overestimate the level of services performed or the costs of these services, our
actual expenses could differ from our estimates.

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To date, we have not experienced material changes in our estimates of accrued
research and development expenses after a reporting period. However, due to the
nature of estimates, we cannot assure you that we will not make changes to our
estimates in the future as we become aware of additional information about the
status or conduct of our clinical trials and other research activities.

Currently, KKC has allowed us to conduct clinical studies of bardoxolone in
CTD-PAH and certain rare forms of kidney diseases in Japan and has reimbursed us
the majority of the costs for our CARDINAL study in Japan and is paying for the
costs of a certain number of patients as the in-country caretaker in our FALCON
study in Japan. We reduced our expenses by $0.0 million and $0.3 million for
KKC's share of the study costs for the three months ended March 31, 2020 and
2019, respectively.

The following table summarizes our research and development expenses incurred:



                                               Three Months Ended
                                                   March 31,
                                              2020              2019
                                             (unaudited; in thousands)
Bardoxolone methyl                        $      13,962       $  8,679
Omaveloxolone                                     6,674          5,803
RTA 901                                           1,211            337
RTA 1701                                          1,395            328

Other research and development expenses 24,411 10,967 Total research and development expenses $ 47,653 $ 26,114






The program-specific expenses summarized in the table above include costs that
we directly allocate to our product candidates. Our other research and
development expenses include research and development salaries, benefits,
stock-based compensation and preclinical, research, and discovery costs, which
we do not allocate on a program-specific basis.

General and Administrative Expenses



General and administrative expenses consist primarily of employee-related
expenses for executive, operational, finance, legal, compliance, and human
resource functions. Other general and administrative expenses include personnel
expense, facility-related costs, professional fees, accounting and legal
services, depreciation expense, other external services, and expenses associated
with obtaining and maintaining our intellectual property rights.

We anticipate that our general and administrative expenses will increase in the
future as we increase our headcount to support our continued research and
development and potential commercialization of our product candidates. We have
also incurred, and anticipate incurring in the future, increased expenses
associated with being a public company, including exchange listing and SEC
requirements, director and officer insurance premium, legal, audit and tax fees,
compliance with the Sarbanes-Oxley Act, regulatory compliance programs, and
investor relations costs. Additionally, if and when we believe the first
regulatory approval of one of our product candidates appears likely, we
anticipate an increase in payroll and related expenses as a result of our
preparation for commercial operations, especially for the sales and marketing of
our product candidates.

Other Income (Expense), Net

Other income (expense) includes interest and gains earned on our cash and cash
equivalents, interest expense on term loans, amortization of debt issuance
costs, imputed interest on long term payables, loss on extinguishment of debt,
foreign currency exchange gains and losses, and gains and losses on sales of
assets.

Provision for Taxes on Income



Provision for taxes on income consists of net loss, taxed at federal tax rates
and adjusted for certain permanent differences. We maintain a full valuation
allowance against our net deferred tax assets. Changes in this valuation
allowance also affect the tax provision.

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Results of Operations

Comparison of the Three Months Ended March 31, 2020 and 2019 (unaudited)

The following table sets forth our results of operations for the three months ended March 31:



                                                 2020          2019        

Change $ Change %


                                                                  (in 

thousands)


Collaboration revenue
License and milestone                          $   1,169     $   7,726     $  (6,557 )          (85 )
Other revenue                                        184            44           140            318
Total collaboration revenue                        1,353         7,770        (6,417 )          (83 )
Expenses
Research and development                          47,653        26,114        21,539             82
General and administrative                        20,787        10,038        10,749            107
Depreciation                                         278           170           108             64
Total expenses                                    68,718        36,322        32,396             89
Other income (expense), net                       (3,814 )        (600 )      (3,214 )         (536 )
Loss before taxes on income                      (71,179 )     (29,152 )     (42,027 )         (144 )
(Benefit from) provision for taxes on income     (22,240 )           2       (22,242 )           **
Net loss                                       $ (48,939 )   $ (29,154 )   $ (19,785 )          (68 )
** Percentage not meaningful


Revenue



License and milestone revenue represented approximately 86% and 99% of total
revenue for the three months ended March 31, 2020 and 2019, respectively, and
consisted primarily of the recognition of deferred revenue. License and
milestone revenue decreased by $6.6 million or 85% during the three months ended
March 31, 2020, compared to the three months ended March 31, 2019, primarily due
to the Reacquisition Agreement in October 2019, which ended our performance
obligations under the AbbVie Collaboration Agreement and resulted in the writing
off of the related remaining deferred revenue balance, after which no further
revenue was recognized. Total revenue of $1.2 million was recognized during the
three months ended March 31, 2020 from deferred revenue related to the KKC
Agreement.

Other revenue was immaterial for the three months ended March 31, 2020 and 2019.



The following table summarizes the sources of our revenue for the three months
ended March 31:

                                  2020        2019
                                   (in thousands)
License and milestone
AbbVie Collaboration Agreement   $     -     $ 6,570
KKC Agreement                      1,169       1,156
Total license and milestone        1,169       7,726
Other revenue                        184          44
Total collaboration revenue      $ 1,353     $ 7,770


Expenses

The following table summarizes our expenses, in thousands and as a percentage of total expenses, for the three months ended March 31:



                                           % of Total                    % of Total
                               2020         Expenses         2019         Expenses
Research and development     $ 47,653               70 %   $ 26,114               72 %
General and administrative     20,787               30 %     10,038               28 %
Depreciation                      278                0 %        170                0 %
Total expenses               $ 68,718                      $ 36,322


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Research and Development Expenses



Research and development expenses increased by $21.5 million, or 82%, for the
three months ended March 31, 2020, compared to the three months ended March 31,
2019. The increase was primarily due to $13.2 million in increased personnel and
equity compensation expenses related to the growth of our development activities
and to additional equity compensation expense related to the accelerated vesting
of stock options as a result of the death of an executive; and $8.1 million in
increased manufacturing costs to support product registration and increased
clinical, clinical pharmacology, and toxicity study expenses to support our
registrational programs, as well as RTA 901 and RTA 1701.

Research and development expenses, as a percentage of total expenses, was 70%
and 72% for the three months ended March 31, 2020 and 2019, respectively. The
decrease of 2% was primarily due to a proportionately larger increase in general
and administrative expenses, which includes personnel and equity compensation
expenses and rent and office expenses to support growth in our development and
commercial readiness activities.

General and Administrative Expenses



General and administrative expenses increased by $10.7 million, or 107%, for the
three months ended March 31, 2020, compared to the three months ended March 31,
2019. The increase was primarily due to $8.1 million in increased personnel and
equity compensation expenses, $1.1 million in increased rent and office expenses
to support growth in our development activities, and $0.9 million in increased
marketing and commercialization expenses.



General and administrative expenses, as a percentage of total expenses, was 30%
and 28%, for the three months ended March 31, 2020 and 2019, respectively. The
increase of 2% was primarily due to a proportionately larger increase in general
and administrative expenses, compared to research and development expenses.

Other Income (Expense), Net



Other income (expense), net increased by $3.2 million, or 536%, for the three
months ended March 31, 2020 compared to the three months ended March 31,
2019. The increase was primarily due to $3.5 million in additional interest
expense that was attributable to additional borrowings under the Term B Loan in
December 2019 and to interest incurred under the payable due to collaborator
related to the Reacquisition Agreement in October 2019.

(Benefit from) Provision for Taxes on Income



Benefit from taxes on income increased by $22.2 million for the three months
ended March 31, 2020, compared to the three months ended March 31, 2019. The
increase was primarily due to a tax refund the Company has applied for under the
provisions of the CARES Act. See Note 7, Income Taxes of Notes to the
Consolidated Financial Statements contained in this Quarterly Report on Form
10-Q.

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Liquidity and Capital Resources



Since our inception, we have funded our operations primarily through
collaboration and license agreements, the sale of preferred and common stock,
and secured loans. Through March 31, 2020, we have raised gross cash proceeds of
$476.6 million through the sale of convertible preferred stock and $780.0
million from payments under license and collaboration agreements. We also
obtained $894.7 million in net proceeds from our initial public offering and
follow-on offerings of our Class A common stock, and $151.6 million in net
proceeds from our Amended Restated Loan Agreement. We have not generated any
revenue from the sale of any products. As of March 31, 2020, we had available
cash and cash equivalents of approximately $624.5 million. Our cash and cash
equivalents are invested in accordance with our investment policy, primarily
with a view to liquidity and capital preservation.

Cash Flows

The following table sets forth the primary sources and uses of cash for each of the three months ended March 31 (unaudited):





                                            2020          2019
                                              (in thousands)
Net cash (used in) provided by:
Operating activities                      $ (41,173 )   $ (28,732 )
Investing activities                            (85 )      (1,160 )
Financing activities                          1,422         5,158

Net change in cash and cash equivalents $ (39,836 ) $ (24,734 )








Operating Activities

Net cash used in operating activities was $41.2 million for the three months
ended March 31, 2020, consisting primarily of a net loss of $48.9 million
adjusted for non-cash items including stock-based compensation expense of $19.3
million, depreciation and amortization expense of $0.8 million, and a net
increase in operating assets and liabilities of $12.4 million. The significant
items in the change in operating assets that impacted our use of cash in
operations include increases in income tax receivable of $22.2 million and
accounts payable of $10.7 million due to timing of payments, offset by a
decrease in deferred revenue of $1.2 million. The decrease in deferred revenue
is due to the ratable recognition of revenue over the expected term of the
performance obligations under our collaboration agreement with KKC, which
resulted in recognition of $1.2 million of license and milestone revenue.

Net cash used in operating activities was $28.7 million for the three months
ended March 31, 2019, consisting primarily of a net loss of $29.2 million
adjusted for non-cash items including stock-based compensation expense of $4.2
million, depreciation and amortization expense of $0.5 million, and a net
increase in operating assets and liabilities of $4.2 million. The significant
items in the change in operating assets that impacted our use of cash in
operations include increases in accrued direct research and other current and
long-term liabilities of $3.9 million due to manufacturing activities related to
clinical trials and personnel-related activities and a decrease in deferred
revenue of $7.7 million. The decrease in deferred revenue is due to the ratable
recognition of revenue over the expected term of the performance obligations
under our collaboration agreements with AbbVie and KKC, which resulted in
recognition of $7.7 million of license and milestone revenue.

Investing Activities

Net cash used in investing activities consisted of purchases and sales of property and equipment. Net cash used in investing activities for the three months ended March 31, 2020 and 2019 were not material.

Financing Activities

Net cash provided by financing activities were $1.4 million and $5.2 million for the three months ended March 31, 2020 and 2019, respectively, and primarily consisted of options exercised.


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Operating Capital Requirements



To date, we have not generated any revenue from product sales. We do not know
when or whether we will generate any revenue from product sales. We do not
expect to generate significant revenue from product sales unless and until we
obtain regulatory approval of and commercialize one or more of our current or
future product candidates. We anticipate that we will continue to generate
losses for the foreseeable future, and we expect the losses to increase as we
continue the development of, and seek regulatory approvals for, our product
candidates, and begin to commercialize any approved products. We are subject to
all the risks related to the development and commercialization of novel
therapeutics, and we may encounter unforeseen expenses, difficulties,
complications, delays, and other unknown factors that may adversely affect our
business. We continue to incur additional costs associated with operating as a
public company. We anticipate that we will need substantial additional funding
in connection with our continuing operations.

On March 27, 2020, the United States enacted the CARES Act. Under its
provisions, for the three months ended March 31, 2020, we recognized a tax
benefit and receivable of $22.1 million associated with the ability to carryback
an applicable prior year's net operating losses to a preceding year to generate
a refund.

On December 20, 2019, under the Amended Restated Loan Agreement, we borrowed
$75.0 million under the Term B Loan. We may use the proceeds from the Term Loans
for working capital and to fund general business requirements. Our obligations
under the Amended Restated Loan Agreement are secured by substantially all of
our assets, including our owned intellectual property. All outstanding Term
Loans will mature on June 1, 2023.

On November 18, 2019, we closed a follow-on underwritten public offering of 2,760,000 shares of our Class A common stock for gross proceeds of $505.1 million. Net proceeds to us from the offering were approximately $491.9 million, after deducting underwriting discounts and commissions and offering expenses.



On October 15, 2019, we entered into the Lease Agreement, relating to the lease
of approximately 327,400 square feet of office and laboratory space located in
Plano, Texas. The term of the Lease is estimated to commence mid-2022, when
construction is completed, and continue for 16 years, with up to 10 years of
extension at our option. The initial annual base rent will be determined based
on the project cost, subject to an initial annual cap of approximately $13.3
million, which may increase in certain circumstances. Beginning in the third
lease year, the base rent will increase 1.95% per annum each year. In addition
to the annual base rent, we will pay for taxes, insurance, utilities, operating
expenses, assessments under private covenants, maintenance and repairs, certain
capital repairs and replacements, and building management fees.

On October 9, 2019, we and AbbVie entered into the Reacquisition Agreement
pursuant to which we reacquired the development, manufacturing, and
commercialization rights concerning our proprietary Nrf2 activator product
platform originally licensed to AbbVie in the AbbVie License Agreement and the
AbbVie Collaboration Agreement. In exchange for such rights, we will pay AbbVie
$330.0 million, of which $100.0 million was paid as of December 31, 2019, $150.0
million is payable on June 30, 2020, and $80.0 million is payable on November
30, 2021. We will also pay AbbVie an escalating, low single-digit royalty on
worldwide net sales, on a product-by-product basis, of omaveloxolone and an
identified list of certain next-generation Nrf2 activators. The termination of
our deferred revenue balance will not have an impact on our cash flow.

In November 2017, we entered into an at-the-market equity offering sales
agreement with Stifel, Nicolaus & Company, Incorporated, that established a
program pursuant to which it may offer and sell up to $50.0 million of its Class
A common stock from time to time in at-the-market transactions. In November
2019, we suspended the program in connection with the November 2019 equity
offering, which remains suspended until we notify Stifel otherwise. To date, no
sales have been made under our at-the-market offering program.

Our longer term liquidity requirements will require us to raise additional
capital, such as through additional equity, debt, or royalty financings or
collaboration arrangements. Our future capital requirements will depend on many
factors, including the receipt of milestones under our KKC Agreement and the
timing of our expenditures related to clinical trials. We believe our existing
cash and cash equivalents will be sufficient to enable us to fund our operations
through the end of 2021. However, we anticipate opportunistically raising
additional capital before that time through equity offerings, collaboration or
license agreements, additional debt, or royalty financings in order to maintain
adequate capital reserves. In addition, we may choose to raise additional
capital at any time for the further development of our existing product
candidates and may also need to raise additional funds sooner to pursue other
development activities related to additional product candidates. Decisions about
the timing or nature of any

                                       25

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financing will be based on, among other things, our perception of our liquidity
and of the market opportunity to raise equity, debt, or royalty
financing. Additional securities may include common stock, preferred stock, or
debt securities. We may explore strategic collaborations or license arrangements
for any of our product candidates. If we do explore any arrangements, there can
be no assurance that any agreement will be reached, and we may determine to
cease exploring a potential transaction for any or all of the assets at any
time. If an agreement is reached, there can be no assurance that any such
transaction would provide us with a material amount of additional capital
resources.

Until we can generate a sufficient amount of revenue from our product
candidates, if ever, we expect to finance future cash needs through public or
private equity or debt offerings, commercial loans, royalty financings, and
collaboration or license transactions. The outbreak of COVID-19 has caused
significant disruption of global financial markets, which may reduce our ability
to access capital, which would negatively affect our liquidity. Additional
capital may not be available on reasonable terms, if at all. If we are unable to
raise additional capital in sufficient amounts or on terms acceptable to us, we
may have to significantly delay, scale back, or discontinue the development or
commercialization of one or more of our product candidates. If we raise
additional funds through the issuance of additional equity or debt securities,
it could result in dilution to our existing stockholders or increased fixed
payment obligations, and any such securities may have rights senior to those of
our common stock. If we incur indebtedness or obtain royalty financing, we could
become subject to covenants that would restrict our operations and potentially
impair our competitiveness, such as limitations on our ability to incur
additional debt, limitations on our ability to acquire, sell, or license
intellectual property rights, and other operating restrictions that could
adversely affect our ability to conduct our business, and any such debt or
royalty financing could be secured by some or all of our assets. Any of these
events could significantly harm our business, financial condition, and
prospects. For a description of the numerous risks and uncertainties associated
with product development and raising additional capital, see "Risk Factors"
included in our Annual Report on Form 10-K for the year ended December 31, 2019
and in this Quarterly Report on Form 10-Q under "Part II, Item 1A. Risk
Factors."

Our forecast of the period through which our financial resources will be
adequate to support our operations is a forward-looking statement and involves
risks and uncertainties, and actual results could vary as a result of a number
of factors. We have based this estimate on assumptions that may prove to be
wrong, and we could utilize our available capital resources sooner than we
currently expect. Our future funding requirements, both near- and long-term,
will depend on many factors, including, but not limited to:

• the scope, rate of progress, results, and cost of our clinical trials,

preclinical testing, and other activities related to the development of


         our product candidates;


  • the number and characteristics of product candidates that we pursue;

• the costs of development efforts for our product candidates that are not

subject to reimbursement from our collaborator;

• the costs necessary to obtain regulatory approvals, if any, for our

product candidates in the United States and other jurisdictions, and the

costs of post-marketing studies that could be required by regulatory

authorities in jurisdictions where approval is obtained;

• the continuation of our existing collaboration with KKC and entry into

new collaborations and the receipt of any collaboration payments;

• the time and unreimbursed costs necessary to commercialize products in


         territories in which our product candidates are approved for sale;


     •   the revenue from any future sales of our products for which we are
         entitled to a profit share, royalties, and milestones;

• the level of reimbursement or third-party payor pricing available to our

products;

• the costs of obtaining third-party commercial supplies of our products,


         if any, manufactured in accordance with regulatory requirements;


     •   the costs associated with any potential loss or corruption of our
         information or data in a cyberattack on our computer system;


  • the costs associated with being a public company;


                                       26

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• any additional costs we incur associated with the COVID-19 pandemic; and

• the costs we incur in the filing, prosecution, maintenance, and defense


         of our patent portfolio and other intellectual property rights.

If we cannot expand our operations or otherwise capitalize on our business opportunities because we lack sufficient capital, our business, financial condition, and results of operations could be materially adversely affected.

Contractual Obligations and Commitments



As of March 31, 2020, there have been no material changes, outside of the
ordinary course of business, in our outstanding contractual obligations from
those disclosed within "Management's Discussion and Analysis of Financial
Condition and Results of Operations", as contained in our Annual Report on Form
10-K for year ended December 31, 2019.

Below are our contractual obligations as of March 31, 2020 (unaudited):





                                                  Payments due by period
                                    Less than       1 to 3        4 to 5
                                      1 year         years        years         Total
                                                      (in thousands)

Operating lease obligations (1) $ 3,783 $ 6,952 $ -

$  10,735
Outstanding secured term loan (2)            -       142,083       12,917   

155,000


Payable to collaborators               150,000        80,000            -   

230,000

Total contractual obligations $ 153,783 $ 229,035 $ 12,917

$ 395,735

(1) Total minimum future lease payments for the Plano build-to-suit lease have

not commenced as of March 31, 2020. Therefore, such payments are not included

in the consolidated financial statement, as we do not yet control the

underlying assets. The lease is expected to commence mid-2022 with lease

initial lease term of 16 years.

(2) Total minimum future loan payments include principal payments and do not

include the final exit fee or interest payments. See Note 5, Term Loans of

Notes to the Consolidated Financial Statements contained in this Quarterly


    Report on Form 10-Q.




Clinical Trials

As of March 31, 2020, we have several on-going clinical trials in various
stages. Under agreements with various CROs and clinical trial sites, we incur
expenses related to clinical trials of our product candidates and potential
other clinical candidates. The timing and amounts of these disbursements are
contingent upon the achievement of certain milestones, patient enrollment, and
services rendered or as expenses are incurred by the CROs or clinical trial
sites. Therefore, we cannot estimate the potential timing and amount of these
payments and they have been excluded from the table above.

Critical Accounting Policies and Significant Judgments and Estimates



Our management's discussion and analysis of our financial condition and results
of operations are based on our consolidated financial statements, which have
been prepared in accordance with United States generally accepted accounting
principles. The preparation of these financial statements requires us to make
estimates and judgments that affect the reported amounts of assets, liabilities,
and expenses and the disclosure of contingent assets and liabilities in our
financial statements. On an ongoing basis, we evaluate our estimates and
judgments, including those related to revenue recognition, accrued research and
development expenses, income taxes, and stock-based compensation. We base our
estimates on historical experience, known trends and events, and various other
factors that we believe to be reasonable under the circumstances, the results of
which form the basis for making judgments about the carrying values of assets
and liabilities that are not readily apparent from other sources. Actual results
may differ from these estimates under different assumptions or conditions.

Our significant accounting policies are described in Note 2 of Part I, Item 1 of
this Quarterly Report on Form 10-Q and in Part I, Item 7, "Critical Accounting
Policies and Significant Judgments and Estimates" in our Annual Report on Form
10-K for the year ended December 31, 2019. There have been no other changes to
our critical accounting policies and estimates since our Annual Report on Form
10-K for the year ended December 31, 2019.

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Off-Balance Sheet Arrangements



Since our inception, we have not had any relationships with unconsolidated
organizations or financial partnerships, such as structured finance or special
purpose entities, that would have been established for the purpose of
facilitating off-balance sheet arrangements, and we have not engaged in any
other off-balance sheet arrangements, as defined in the rules and regulations of
the SEC.

Recent Accounting Pronouncements



For a discussion of recent accounting pronouncements, please see Note 2 of Notes
to Consolidated Financial Statements contained in this Quarterly Report on Form
10-Q.

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