Cautionary Note Regarding Forward-Looking Statements

This Quarterly Report on Form 10-Q contains forward-looking statements, within the meaning of the U.S. Private Securities Litigation Reform Act of 1995, that involve substantial risks and uncertainties. In some cases, you can identify forward-looking statements by the words "anticipate," "believe," "continue," "could," "estimate," "expect," "intend," "may," "might," "objective," "ongoing," "plan," "predict," "project," "potential," "should," "will," or "would," and or the negative of these terms, or other comparable terminology intended to identify statements about the future. These statements involve known and unknown risks, uncertainties and other factors that may cause our actual results, levels of activity, performance or achievements to be materially different from the information expressed or implied by these forward-looking statements. Although we believe that we have a reasonable basis for each forward-looking statement contained in this Quarterly Report on Form 10-Q, we caution you that these statements are based on a combination of facts and factors currently known by us and our expectations of the future, about which we cannot be certain.

The forward-looking statements in this Quarterly Report on Form 10-Q include, among other things, statements about:

? our ability to develop and commercialize ganaxolone;

? status, timing and results of preclinical studies and clinical trials;

design of and enrollment in clinical trials, availability of data from ongoing

? clinical trials, expectations for regulatory approvals, or the attainment of

clinical trial results that will be supportive of regulatory approvals;

? the potential benefits of ganaxolone;

? the timing of seeking marketing approval of ganaxolone in specific indications;

? our ability to obtain and maintain marketing approval for ganaxolone;

? our estimates of expenses and future revenue and profitability;

? our estimates regarding our capital requirements and our needs for additional

financing;

? our plans to develop and market ganaxolone and the timing of our development

programs;

? our estimates of the size of the potential markets for ganaxolone;

our expectations regarding our collaboration with Orion Corporation (Orion),

? including the expected amount and timing of R&D reimbursement, milestone,

royalty and other payments pursuant thereto;

? our ability to attract collaborators with acceptable development, regulatory

and commercial expertise;

the benefits to be derived from corporate collaborations, license agreements,

? and other collaborative or acquisition efforts, including those relating to the

development and commercialization of ganaxolone;

sources of revenue, including contributions from our contract (BARDA Contract)

with the Biomedical Advanced Research and Development Authority (BARDA),

? corporate collaborations, license agreements, and other collaborative efforts

for the development and commercialization of ganaxolone and our product


   candidates;


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? our eligibility to receive funding under the debt tranches available under the

Credit Agreement with Oaktree;

? our ability to create an effective sales and marketing infrastructure if we

elect to market and sell ganaxolone directly;

? the rate and degree of market acceptance of ganaxolone;

? the timing and amount of reimbursement for ganaxolone;

? the success of other competing therapies that may become available;

? the manufacturing capacity for ganaxolone;

? the extent to which our ability to market and sell ganaxolone may be negatively

impacted by third party patents;

? our ability to maintain and protect our intellectual property rights;

? our results of operations, financial condition, liquidity, prospects, and

growth strategies;

? the industry in which we operate;

the extent to which our business may be adversely impacted by the effects of

? the COVID-19 coronavirus pandemic or by other pandemics, epidemics or

outbreaks;

? the enforceability of the exclusive forum provisions in our fourth amended and

restated certificate of incorporation; and

? the trends that may affect the industry or us.

You should refer to Part II Item 1A. "Risk Factors" of this Quarterly Report on this Form 10-Q for a discussion of important factors that may cause our actual results to differ materially from those expressed or implied by our forward-looking statements. As a result of these factors, we cannot assure you that the forward-looking statements in this Quarterly Report on Form 10-Q will prove to be accurate. Furthermore, if our forward-looking statements prove to be inaccurate, the inaccuracy may be material. In light of the significant uncertainties in these forward-looking statements, you should not regard these statements as a representation or warranty by us or any other person that we will achieve our objectives and plans in any specified time frame or at all. We undertake no obligation to publicly update any forward-looking statements, whether as a result of new information, future events or otherwise, except as required by law.

You should read this Quarterly Report on Form 10-Q and the documents that we reference in this Quarterly Report on Form 10-Q and have filed as exhibits to this Quarterly Report on Form 10-Q completely and with the understanding that our actual future results may be materially different from what we expect. We qualify all of our forward-looking statements by these cautionary statements.

The following Management's Discussion and Analysis of Financial Condition and Results of Operations should be read in conjunction with: (i) the interim consolidated financial statements and related notes thereto which are included in this Quarterly Report on Form 10-Q; and (ii) our annual financial statements for the year ended December 31, 2020 which are included in our Annual Report on Form 10-K filed with the SEC on March 9, 2021.



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Overview

We are a clinical stage pharmaceutical company focused on developing and commercializing innovative therapeutics to treat patients suffering from seizure disorders. Our clinical stage product candidate, ganaxolone, is a positive allosteric modulator of GABAA receptors that is being developed in formulations for two different routes of administration: intravenous (IV) and oral. Ganaxolone is a synthetic analog of allopregnanolone, an endogenous neurosteroid. The different formulations are intended to maximize potential therapeutic applications of ganaxolone for adult and pediatric patient populations, in both acute and chronic care, and for both in-patient and self-administered settings. Ganaxolone acts at both synaptic and extrasynaptic GABAA receptors, a target known for its anti-seizure, antidepressant and anxiolytic potential.

COVID-19

In December 2019, an outbreak of a novel strain of coronavirus (COVID-19) was identified in Wuhan, China. This virus was declared a pandemic by the World Health Organization in March 2020 and has spread to nearly every country in the world, including the U.S. Efforts to contain the spread of COVID-19 have intensified and many countries, including the U.S., have implemented travel restrictions, business shutdowns and social distancing measures that have impacted clinical development through supply chain shortages and clinical trial enrollment difficulties as hospitals reduce and redeploy staff, divert resources to patients suffering from COVID-19 and limit hospital access for non-patients. The pandemic poses the risk that we, our contractors, suppliers, or other partners may be prevented from conducting normal business activities for an indefinite period of time, including those due to restrictions that may be requested or mandated by governmental authorities.

The continued global spread of COVID-19 has not materially adversely impacted our operating results, financial condition or cash flows as of and for the nine months ended September 30, 2021. However, COVID-19 has impacted our clinical operations and timelines. In response to COVID-19, for our ongoing clinical trials, we have implemented multiple measures consistent with the U.S. Food and Drug Administration's (FDA) guidance on the conduct of clinical trials of medical products during the COVID-19 pandemic, including implementing remote site monitoring and remote visits using telemedicine where needed. However, COVID-19 may still adversely impact our clinical trials. For example, our Phase 3 clinical trial in refractory status epilepticus (RSE) is conducted in hospitals, including academic medical centers, which have experienced high rates of COVID-19 admissions. Due to COVID-19, priorities in several academic medical centers participating in the RAISE Trial, including staff turnover and the need for clinical sites to devote significant resources to patients with COVID-19, the trial has experienced site initiation and enrollment delays. Given these challenges, we previously updated our expectation of top-line data readout for the RAISE Trial to be available in the second half of 2022. In addition, our ganaxolone clinical trials in the outpatient setting may be negatively impacted if patients and their caregivers do not want to participate while COVID-19 outbreaks continue. We are unable to predict the impact that COVID-19 will have in the future on our business, operating results, financial condition and cash flows. The duration and severity of the pandemic and its long-term impact on our business are uncertain at this time, and our ability to raise sufficient additional financing depends on many factors beyond our control, including the current volatility in the capital markets as a result of the COVID-19 pandemic.



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Our Pipeline

We are developing ganaxolone in indications where there is a mechanistic rationale for ganaxolone to provide a benefit, including the following indications:



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Status Epilepticus (SE)

Status epilepticus (SE) is a life-threatening condition characterized by continuous, prolonged seizures or rapidly recurring seizures without intervening recovery of consciousness. If SE is not treated urgently, permanent neuronal damage may occur, which contributes to high rates of morbidity and mortality. Patients with SE who do not respond to first-line benzodiazepine treatment are classified as having established SE (ESE) and those who then progress to and then fail at least one second-line antiepileptic drug (AED) are classified as having refractory status epilepticus (RSE). In RSE, synaptic GABAA receptors are internalized into the neuron, resulting in decreased responsiveness to drugs such as benzodiazepines. Treatment for RSE unresponsive to one or more second-line AEDs is IV anesthesia to terminate seizures and prevent neuronal injury and other complications. The IV anesthetic is increased to a level that induces deep coma and is maintained at that rate for 24 hours or more. SE that recurs following an attempted wean of IV anesthesia is classified as super refractory status epilepticus (SRSE). In April 2016, we were granted FDA orphan drug designation for IV formulation of ganaxolone for the treatment of SE, which includes RSE.

We own a family of pending patent applications that claim certain therapeutic regimens for the treatment of SE, including RSE, using intravenous ganaxolone. In September 2021, the United States Patent Office granted us a patent on a method of treating status epilepticus, including dosing regimens. This issued patent expires in 2040.

In January 2021, we enrolled the first patient in a Phase 3 pivotal trial (the Randomized Therapy In Status Epilepticus trial or the RAISE Trial). The RAISE Trial is a randomized, double-blind, placebo-controlled clinical trial in patients with RSE. We expect approximately 80 trial sites in hospitals across the U.S. to participate in the RAISE Trial. The RAISE Trial is designed to enroll approximately 124 patients, who will be randomized to receive ganaxolone or placebo added to standard of care second-line AED. With this number of patients, the trial is designed to provide over 90% power to detect a 30% efficacy difference between ganaxolone and placebo.

The co-primary endpoints for the RAISE Trial are (1) proportion of patients with RSE who experience seizure cessation within 30 minutes of treatment initiation without other medications for RSE treatment, and (2) proportion of patients with no progression to IV anesthesia for 36 hours following initiation of the study drug. Due to COVID-19, priorities in several academic medical centers participating in the RAISE Trial, including staff turnover and the need for



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clinical sites to devote significant resources to patients with COVID-19, the trial has experienced site initiation and enrollment delays. Given these most recent challenges, we expect our top-line data readout for the RAISE Trial to be available in the second half of 2022.

Planning continues for a separate RSE trial to support a European marketing authorization (the RAISE II Trial). Following a meeting with the EMA in the first quarter of 2021, at which we discussed trial design, trial initiation is planned for the first half of 2022. The RAISE II Trial will be a double blind, placebo-controlled pivotal registration trial expected to enroll 70 patients who have failed first-line benzodiazepine treatment and at least one prior second-line AED. Patients will receive either ganaxolone or placebo, administered in combination with a standard-of-care second-line AED. The RAISE II Trial in Europe differs from the RAISE Trial in the U.S., with the RAISE II Trial using adjunctive ganaxolone that can be initiated earlier in the course of RSE.

The FDA has indicated alignment on the overall trial design for Established Status Epilepticus (ESE) (the Researching Established Status Epileptics Treatment trial or RESET Trial), and we are making preparations to begin U.S. enrollment of this Phase 2 clinical trial in the first half of 2022. The RESET Trial is expected to be conducted in emergency rooms under exception from informed consent guidelines and is expected to enroll patients with convulsive SE. We expect that the RESET Trial will be composed of two stages, the initial open-label, dose optimization stage and subsequent double-blind placebo-controlled stage. We anticipate that during the open-label portion of the trial, multiple sequential cohorts of patients will be assessed to determine the bolus dose and subsequent IV infusion rate and infusion duration to be used in the double-blind second stage of the trial. We expect that this double-blind placebo-controlled phase will enroll approximately 80 ESE patients equally distributed among two arms of the trial who, in addition to standard of care, will receive either IV ganaxolone or placebo. We also expect that the primary efficacy endpoint of the RESET Trial will be the absence of electrographic (rapid EEG) evidence of SE or recurrence of generalized convulsions at 1 hour after the initiation of treatment. We plan to announce top-line data from the RESET trial in the middle of 2023.

CDKL5 Deficiency Disorder (CDD)

CDD is a serious and rare genetic disorder that is caused by a mutation of the cyclin-dependent kinase-like 5 (CDKL5) gene, located on the X chromosome. It predominantly affects females and is characterized by early-onset, difficult-to-control seizures and severe neuro-developmental impairment. The CDKL5 gene encodes proteins essential for normal brain function. Most children affected by CDD have difficulty walking, talking and taking care of themselves. Many also suffer from scoliosis, visual impairment, gastrointestinal difficulties or sleep disorders. There are no medications approved specifically for the treatment of CDD. Genetic testing is available to determine if a patient has a mutation in the CDKL5 gene. In June 2017, we were granted FDA orphan drug designation for ganaxolone for the treatment of CDKL5 Disorder.

Additionally, in November 2019, the European Medicine Agency's (EMA) Committee for Orphan Medicinal Products (COMP) granted orphan drug designation for ganaxolone for the treatment of CDD.

In July 2021, we submitted our New Drug Application (NDA), which was accepted for filing in September 2021 and granted Priority Review designation. The FDA assigned a Prescription Drug User Fee Act (PDUFA) action date for this NDA of March 20, 2022. Priority Review designation is given to an investigational medicine that, if approved, would be a significant improvement in the safety or effectiveness of the treatment of a serious condition and accelerates the timing of the FDA review of the application compared to a standard review. In its acceptance letter, the FDA indicated that it was not currently planning to hold an advisory committee meeting to discuss the application.

We also had a pre-Marketing Authorization Application (MAA) meeting with the EMA in March 2021 to discuss the proposed format and content of the MAA. In August 2021, the Committee for Medicinal Products for Human Use (CHMP) of the EMA granted our request for accelerated assessment of ganaxolone for the treatment of seizures associated with CDD. Accelerated assessment is granted by the CHMP when a medicinal product is expected to be of major public health interest and therapeutic innovation. Accelerated assessment potentially provides a reduced review timeline from 210 to 150 days once the MAA is filed and validated, not counting clock stops when applicants are requested to provide additional information. The MAA for ganaxolone was submitted to the EMA on October 11, 2021 and was accepted for review on October 28, 2021.

In September 2020, we announced in top-line results that ganaxolone achieved the primary endpoint in a pivotal Phase 3 clinical trial (Marigold Study), which evaluated the use of oral ganaxolone in children and young adults with



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CDD. The top-line results reported for the Marigold Study in September 2020 indicated that the primary endpoint, median 28-day major motor seizure frequency reduction, was 32.2% for ganaxolone compared to 4.0% for placebo (p=0.002). In connection with the preparation of the NDA submission for CDD, we determined that the top-line data previously reported in September 2020 included seizure diary entries that were duplicates of seizures that parents or caregivers had already entered. The duplicate data, which was the result of programming and data transfer errors, affected approximately 1.7% of total seizures reported. These duplicate entries were deleted from the final data analysis that was submitted with the NDA for the Marigold Study. The final data analysis of the primary endpoint resulted in a median 28-day major motor seizure frequency reduction of 30.7% compared to 6.9% for placebo (p=0.0036). We do not believe these changes affect the statistical or clinical conclusions of the Marigold Study.

In July 2020, the FDA granted Rare Pediatric Disease Designation (RPD Designation) for ganaxolone for the treatment of CDD. The FDA grants RPD Designation for diseases that affect fewer than 200,000 people in the U.S. and in which the serious or life-threatening manifestations occur primarily in individuals 18 years of age and younger. If an NDA for ganaxolone in CDD is approved, we may be eligible to receive a priority review voucher from the FDA, which can be redeemed for priority review in a subsequent marketing application or can be sold or transferred to a third party. The authority for the FDA to award rare pediatric disease priority review vouchers for drugs after September 30, 2024 is currently limited to drugs that RPD Designation on or prior to September 30, 2024, and the FDA may only award rare pediatric disease priority review vouchers through September 30, 2026. If the NDA for ganaxolone is not approved on or prior to September 30, 2026 for any reason, it will not be eligible for a priority review voucher. However, it is possible that the authority for the FDA to award rare pediatric disease priority review vouchers will be further extended by Congress.

In September 2020, Ovid Therapeutics, Inc. (Ovid) contacted us and disclosed that it owns two recently issued patents that include claims that encompass our product candidates for the treatment of CDD and PCDH19. Ovid may file a lawsuit against us alleging infringement of its patents and/or we may challenge the validity of Ovid's patents with the USPTO or through the courts. Any such proceeding, regardless of its outcome, would likely result in the expenditure of significant financial resources and the diversion of management's time and resources. In addition, any such proceeding may cause negative publicity, adversely impact patients, and we may be prohibited from marketing or selling ganaxolone for CDD and PCDH19, during such proceedings or if we are not successful in such proceedings. If Ovid does decide to bring an infringement lawsuit, we do not expect that it will be filed before a commercial launch of ganaxolone for CDD, or PCDH19, as applicable, based upon the "safe harbor" provisions of the Drug Price Competition and Patent Term Restoration Act of 1984 (the Hatch-Waxman Act). We may need to acquire or obtain a license to the Ovid patents to market or sell ganaxolone for CDD, which may not be available on commercially acceptable terms or at all. If we are not able to acquire the Ovid patents or negotiate a license on acceptable terms, and if our product is determined to infringe Ovid's patents and the patents are determined to be valid, then we may be forced to pay Ovid royalties, damages and costs, or we may be prevented from commercializing ganaxolone for CDD altogether, which would have a material adverse impact on our business. We are also aware of a patent application owned by Ovid that is pending in the European Patent Office. That patent application includes claims that encompass our product candidates for use in the treatment of CDD. This pending application is under examination. In March 2020 the European Patent Office issued an examiner report stating that none of the claims meet the requirements for patenting. Ovid filed a brief response but did not amend any of the claims. The application remains under examination and no claims have been allowed. It is possible that this pending application may issue as a patent with claims that encompass our product candidates for the treatment of CDD, in which case, the above risks would also apply to any such patent that issues. We are also aware of a pending U.S. patent application by Ovid in the same patent family that includes claims that encompass our product candidate for the treatment of SE. This pending patent application is in the early stages of examination at the USPTO. It is possible that this pending patent application may issue as a patent with claims that encompass our product candidate for the treatment of RSE, in which case, the above risks would also apply to any such patent that was issued.

Tuberous Sclerosis Complex (TSC)

TSC is a rare genetic disorder that affects many organs and causes non-malignant tumors in the brain, skin, kidney, heart, eyes, and lungs. The condition is caused by inherited mutations in either the TSC1 gene or the TSC2 gene. TSC occurs with a frequency of 1:6,000 live births and a mutation is found in 85% of patients. While the disease phenotype can be extremely variable, epilepsy occurs in up to 85% of TSC patients. TSC is a leading cause of genetic epilepsy, often manifesting in the first year of life as either focal seizures or infantile spasms. There are currently



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few disease-specific treatments approved for seizures in TSC. The orphan drug designations for ganaxolone for the treatment in TSC were granted by the FDA in August 2021 and by the EMA in October 2021.

In August 2021, we announced top-line data from our open-label Phase 2 trial (CALM Trial) evaluating safety and efficacy of adjunctive oral ganaxolone treatment in 23 patients with seizures associated with tuberous sclerosis complex (TSC). This open-label trial, the CALM study, enrolled 23 patients ages 2 to 32 who entered a four-week baseline period followed by a 12-week treatment period where they received up to 600 mg of ganaxolone (oral liquid suspension) three times a day. Patients who met eligibility criteria were able to continue ganaxolone treatment during a 24-week extension. The primary endpoint was the percent change in 28-day TSC-associated seizure frequency during the 12-week treatment period relative to the four-week baseline period. Secondary outcome measures included the percentage of patients experiencing a greater than or equal to 50% reduction in 28-day TSC-associated seizure frequency through the end of the 12-week treatment period compared to the 4-week baseline period.

The primary endpoint showed a median 16.6% reduction in 28-day primary endpoint seizure frequency relative to the four-week baseline period. A secondary endpoint showed that the proportion of patients that achieved an equal to or greater than 50% seizure reduction was 30.4%. During the trial, patients with focal seizures (n=19) showed a median 25.2% reduction in focal seizure frequency. Ganaxolone was generally well-tolerated with somnolence reported as the most common adverse event. In addition, one treatment-related serious adverse event of seizure was reported in the trial. Four patients discontinued the trial due to adverse events. Additionally, the data from the trial suggested that in patients on concomitant Epidiolex, early elevation of ganaxolone blood levels occurred and appeared to be linked to greater somnolence. We have adjusted the titration schedule and maximum daily dose of ganaxolone in the proposed Phase 3 TSC clinical trial protocol in patients receiving concomitant Epidiolex with a goal of improving tolerability in those patients.

In response to our request for a Type B meeting with the FDA regarding a proposed Phase 3 TSC clinical trial, the FDA provided written responses to our questions in lieu of a meeting. We believe the written responses show overall alignment on the clinical development plan in TSC. Although it will be a matter of review, we also believe based on FDA's written responses, that if FDA determines that ganaxolone has established efficacy for the treatment of seizures associated with CDD, such a determination could serve as confirmatory evidence in support of a single adequate and well controlled registration trial in TSC. A meeting with the EMA is targeted for the first quarter of 2022. We are targeting the first quarter of 2022 for the first patient to be enrolled in a global Phase 3 randomized, double blind, placebo-controlled trial (TrustTSC Trial) of adjunctive ganaxolone in approximately 160 TSC patients. The proposed primary endpoint for the TrustTSC Trial is percent change in 28-day TSC-associated seizure frequency.

Lennox-Gestaut Syndrome (LGS)

LGS is a severe form of epilepsy that typically begins between one and eight years of age. Affected children experience multiple seizure types that are often unresponsive to treatment, the most common being atonic, tonic and atypical absence seizures. Children with LGS may also have neurodevelopmental delay and behavioral problems.

We plan to pursue the development of ganaxolone for LGS, given the overlap in seizure types and etiologies with other disorders where ganaxolone has potential to improve clinical outcomes, such as CDD and TSC. We are planning to use a second generation formulation of ganaxolone for our LGS development program. We plan to present additional clinical data in the fourth quarter of 2021 and target the initiation of a Phase 2 clinical trial in the second half of 2022.

PCDH19-Related Epilepsy (PCDH19-RE)

PCDH19-RE is a rare epileptic syndrome characterized by early-onset seizures, cognitive and sensory impairment, and psychiatric and behavioral disturbances. We conducted a Phase 2 proof-of-concept (POC) clinical trial (Violet Study) of ganaxolone treatment in patients with PCDH19-RE

We have deferred further development of ganaxolone for the treatment of PCDH19-RE in order to focus our efforts and our resources on our ongoing development of ganaxolone in current indications. Eligible patients who



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completed the PCDH19 Phase 2 Clinical Trial may remain on ganaxolone either through the open label extension or as compassionate use under the care of the investigator responsible for their treatment.

Reverse stock split

On September 23, 2020, we effected a 1-for-4 reverse split of shares of our common stock (Reverse Split), as approved by our Board of Directors and stockholders. The par value per share of our common stock was not adjusted as a result of the Reverse Split, and our authorized shares of common stock was reduced to 150,000,000. All of the share and per share amounts included in this Quarterly Report on Form 10-Q have been adjusted to reflect the Reverse Split.

Operations

Our operations to date have consisted primarily of organizing and staffing our company and developing ganaxolone, including conducting preclinical studies, clinical trials and raising capital. We have funded our operations primarily through sales of equity and debt securities. At September 30, 2021, we had cash and cash equivalents of $145.1 million. We have no products currently available for sale, have incurred operating losses since inception, have not generated any product sales revenue and have not achieved profitable operations. We incurred a net loss of $70.5 million and $50.0 million for the nine months ended September 30, 2021 and 2020, respectively. Our accumulated deficit as of September 30, 2021 was $382.4 million, and we expect to continue to incur substantial losses in future periods. We anticipate that our operating expenses will increase substantially as we continue to advance our clinical-stage product candidate, ganaxolone.

We anticipate that our expenses will increase substantially as we:

? conduct multiple concurrent later stage clinical trials in targeted

indications;

? continue the research, development and scale-up manufacturing capabilities to

optimize ganaxolone and dose forms for which we may obtain regulatory approval;

? establish and implement sales, marketing and distribution capabilities to

commercialize ganaxolone;

conduct other preclinical studies and clinical trials to support the filing of

? NDAs with the FDA, MMAs with the EMA and other marketing authorization filings

with regulatory agencies in other countries;

? acquire the rights to other product candidates and fund their development;

? maintain, expand and protect our global intellectual property portfolio;

? hire additional clinical, manufacturing, scientific and commercial personnel;

and

add operational, financial and management information systems and personnel,

? including personnel to support our drug development and potential future

commercialization efforts.

We believe that our cash and cash equivalents balance as of September 30, 2021 will be sufficient to maintain the minimum cash balance required under our debt facility and to fund our operating expenses and capital expenditure requirements for at least the next 12 months from the date of this filing. However, we will need to secure additional funding in the future, from one or more equity or debt financings, government funding, collaborations, licensing transactions, other commercial transactions or other sources, in order to carry out all of our planned research, development and commercialization activities with respect to ganaxolone.



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Financial Overview

Federal Contract Revenue

In September 2020, we entered into the BARDA Contract with BARDA, a division of the U.S. Department of Health and Human Services' Office of the Assistant Secretary for Preparedness and Response. Under the BARDA Contract, we will receive an award of up to an estimated $51 million for development of IV administered ganaxolone for the treatment of RSE. Funding will include support on a cost-sharing basis for completion of a Phase 3 clinical trial of IV-administered ganaxolone in patients with RSE who are refractory to second line anti-epileptic drugs, funding of pre-clinical studies to assess whether IV-administered ganaxolone is an effective treatment for RSE due to chemical nerve gas agent exposure, and funding of certain ganaxolone manufacturing scale-up and regulatory activities.

The BARDA Contract consists of an approximately two-year base period-during which BARDA will provide up to approximately $21 million of funding for the RSE Phase 3 clinical trial on a cost share basis and funding of additional preclinical studies of ganaxolone in nerve agent exposure models. Following successful completion of the RSE Phase 3 clinical trial and preclinical studies in the base period, the BARDA Contract provides for approximately $30 million of additional BARDA funding for three options in support of manufacturing, supply chain, clinical, regulatory and toxicology activities. Under the BARDA Contract, we will be responsible for cost sharing in the amount of approximately $33 million and BARDA in the amount of approximately $51 million if all development options are completed. The contract period-of-performance (base period plus option exercises) is up to approximately five years.

We recognize federal contract revenue from the BARDA Contract in the period in which the allowable research and development expenses are incurred. We expect federal contract revenue to increase as the associated costs with our RSE Phase 3 clinical trial increase.

License and Collaboration Revenue

In July 2021, we entered into the Orion Collaboration Agreement with Orion Corporation. Under the terms of the Orion Collaboration Agreement, we granted Orion an exclusive, royalty-bearing, sublicensable license to certain of the Company's intellectual property rights with respect to commercializing biopharmaceutical products incorporating the Company's product candidate ganaxolone (Licensed Products) in the European Economic Area, the United Kingdom and Switzerland (collectively, the Territory) for the diagnosis, prevention and treatment of certain human diseases, disorders or conditions (the Field), initially in the indications of CDKL5 deficiency disorder (CDD), tuberous sclerosis complex (TSC) and refractory status epilepticus (RSE).

Under the terms of the Orion Collaboration Agreement, we received a €25.0 million ($29.6 million) upfront payment from Orion in July 2021. In connection with the upfront fee, we agreed to provide Orion with the results of a planned genotoxicity study on the M2 metabolite of ganaxolone, a "Combined Micronucleus & Comet study in vivo." In the event that the results of such study are positive, based on the criteria set forth in the study's protocol, Orion will have the right to terminate the Collaboration Agreement within ninety (90) days after its receipt of the final report of such study, in which case we must refund Orion seventy-five percent (75%) of the upfront fee. In the event of such termination and refund, Orion shall have no further rights pursuant to the oral and IV dose formulations of ganaxolone and the Collaboration Agreement shall terminate and be of no further force or effect.

The Company is eligible to receive up to €90.0 million upon the achievement of specific clinical and commercial achievements. Also, as part of the overall arrangement, we have agreed to supply the Licensed Products to Orion at an agreed upon price.

In accordance with the guidance, the Company identified following commitments under the arrangement: (i) exclusive rights to develop, use, sell, have sold, offer for sale and import any product comprised of Licensed Product (the License) (ii) development and regulatory activities (Development and Regulatory Activities), and (iii) requirement to supply Orion with the Licensed Product at an agreed upon price (the Supply of Licensed Product). The Company determined that these three commitments represent distinct performance obligations for purposes of recognizing revenue



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and will recognize license and collaboration revenue or a reduction of expense as it fulfills these performance obligations.

Research and Development Expenses

Our research and development expenses consist primarily of costs incurred for the development of ganaxolone, which include:

? employee-related expenses, including salaries, benefits, travel and stock-based

compensation expense;

expenses incurred under agreements with clinical research organizations (CROs)

? and investigative sites that conduct our clinical trials and preclinical

studies;

? the cost of acquiring, developing and manufacturing clinical trial materials;

? facilities, depreciation and other expenses, which include direct and allocated

expenses for rent and maintenance of facilities, insurance and other supplies;

? costs associated with preclinical activities and regulatory operations; and

? costs associated with developing new formulations and prodrugs of ganaxolone.

We expense research and development costs when we incur them. We record costs for some development activities, such as clinical trials, based on an evaluation of the progress to completion of specific tasks using data such as patient enrollment, clinical site activations and information our vendors provide to us. As we fulfill our Development and Regulatory Activities under our Orion Collaboration Agreement, we recognize a reduction of contract liability and research and development expense.

We will incur substantial costs beyond our present and planned clinical trials in order to file NDAs and Supplemental New Drug Applications (sNDAs), or MAAs outside the U.S., for ganaxolone for various clinical indications, and in each case, the nature, design, size and cost of further clinical trials and other studies will depend in large part on the outcome of preceding studies and trials and discussions with regulators. It is difficult to determine with certainty the costs and duration of our current or future clinical trials and preclinical studies, or if, when or to what extent we will generate revenue from the commercialization and sale of ganaxolone if we obtain regulatory approval. We may never succeed in achieving regulatory approval for ganaxolone. The duration, costs and timing of clinical trials and development of ganaxolone will depend on a variety of factors, including the uncertainties of future clinical trials and preclinical studies, uncertainties in clinical trial enrollment rate and significant and changing government regulation.

In addition, the probability of success for our clinical programs will depend on numerous factors, including competition, manufacturing capability and commercial viability. See "Risk Factors." Our commercial success depends upon attaining significant market acceptance, if approved, among physicians, patients, healthcare payers and the medical community. We will determine which programs to pursue and how much to fund each program in response to the scientific and clinical success, as well as an assessment of commercial potential.

General and Administrative Expenses

General and administrative expenses consist principally of salaries and related costs for executive and other administrative personnel and consultants, including stock-based compensation and travel expenses. Other general and administrative expenses include professional fees for legal, patents, consulting and accounting services. General and administrative expenses are expensed when incurred. We expect that our general and administrative expenses will increase in the future as a result of employee hiring and our scaling-up of operations commensurate with supporting more advanced clinical trials and in preparation for commercial infrastructure. These increases will likely include



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increased costs for insurance, hiring of additional personnel, outside consultants, legal counsel and accountants, among other expenses.

Cost of collaboration revenue

Cost of collaboration revenue represents a one-time fee paid to Purdue Neuroscience Company related to our license agreement. This fee was paid in conjunction with our Orion Collaboration Agreement.

Interest Income

Interest income consists principally of interest income earned on cash and cash equivalents and investment balances.

Interest Expense

Interest expense consists of interest expense and amortization of debt discount related to our Notes Payable.



Results of Operations

Federal Contract Revenue

Federal contract revenue was $1.1 million and $4.8 million for the three and nine months ended September 30, 2021, respectively, compared to $0.2 for each of the comparable periods in 2020 as a result of the BARDA Contract.

License Revenue

License revenue was $9.0 million for the three and nine months ended September 30, 2021 as a result of recognizing the transaction price not subject to certain return provisions based on results of additional pre-clinical testing related to entering into the Orion Collaboration Agreement.

Research and Development Expenses

We allocate direct research and development expenses, consisting principally of external costs, such as fees paid to investigators, consultants, central laboratories and CROs in connection with our clinical trials, and costs related to manufacturing or purchasing clinical trial materials, to specific product development programs. We do not allocate employee and contractor-related costs, costs associated with our facility expenses, including depreciation or other indirect costs, to specific product programs because these costs are deployed across multiple product programs under research and development and, as such, are separately classified. The table below shows our research and development expenses incurred with respect to each active program, in thousands. The primary drivers of our research and development expenditures are currently in our product development programs in RSE, CDD, TSC and PCDH19-RE. We expect our research and development expenses for ganaxolone will continue to increase during subsequent periods.



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We did not allocate research and development expenses to any other specific product development programs during the periods presented (in thousands):




                                           Three Months Ended        Nine Months Ended
                                             September 30,             September 30,
                                            2021         2020        2021         2020
CDKL5 deficiency disorder (1)            $    1,968    $  1,477    $   6,529    $  4,655
PCDH19-related epilepsy (2)                     628         656        2,070       2,232
Tuberous Sclerosis (3)                        1,093         175        2,347         508
Drug Development - Suspension (4)             1,779       1,276        6,653       5,515
Oral Indications Subtotal                     5,468       3,584       17,599      12,910

Status epilepticus                            1,777       1,504        4,265       2,765
Drug Development - IV                           723         897        3,267       2,693
IV Indications Subtotal (5)                   2,500       2,401        7,532       5,458

Other research and development (6)            3,679         453        9,818       5,932

Indirect research and development (7) 6,706 4,868 20,557 13,762 Total

$   18,353    $ 11,306    $  55,506    $ 38,062

Note: Certain prior year expenses have been reclassified to conform to current year presentation.

The increase in the three and nine months ended September 30, 2021 compared

to the 2020 period was due primarily to an increase in regulatory and

(1) statistical analysis expenses associated with our NDA filing, partially


     offset by reduced clinical trial activity as 2020 costs associated with our
     Phase 3 Marigold study exceeded 2021 costs associated with our on-going open
     label extension.


     The decrease in the three and nine months ended September 30, 2021 was

(2) primarily due to 2020 including more active clinical development work


     associated with our Phase 2 Violet study and 2021 including only limited
     costs associated with our on-going open label extension.


     The increase in the three and nine months ended September 30, 2021 was
     primarily due to increased trial activity in 2021 from the Phase 2 TSC trial

(3) and start-up activities for the proposed Phase 3 TSC trial, as compared to


     more limited Phase 2 start-up activities, including enrollment, in the
     relevant 2020 periods.


     The increase in the three and nine months ended September 30, 2021 was the

(4) result of increased manufacturing costs associated with scale up for the NDA

submission and preparation for commercialization.

The increase in the three and nine months ended September 30, 2021 was

(5) primarily due to start-up activities, including drug manufacturing,


     associated with the Phase 3 RSE clinical trial and Phase 2 ESE clinical
     trial.


     Other research and development expenses include external expenses associated
     with preclinical and clinical development of ganaxolone, including safety

(6) studies, stability studies, preclinical studies, including animal toxicology


     and pharmacology studies, and other professional fees. The increase in the
     three and nine months ended September 30, 2021 was primarily due to safety
     studies.


     The increase is related to increased personnel costs in support of our

(7) increased activity in preclinical, clinical, and manufacturing activities, as


     well as a reduction in expense related to our Development and Regulatory
     Activities obligation under our Orion Collaboration Agreement.


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General and Administrative Expenses

General and administrative expenses were $9.5 million and $26.7 million for the three and nine months ended September 30, 2021, respectively, compared to $4.6 million and $12.5 million for the three and nine months ended September 30, 2020, respectively. The primary drivers of the increase for the three month comparative period were $1.8 million in increased personnel costs, $1.1 million contract acquisition costs related to our Orion Collaboration Agreement, $1.0 million in increased commercialization preparation, $0.6 million in increased noncash stock-based compensation and $0.4 million of legal costs. The primary drivers of the increase for the nine month comparative period were $4.9 million in increased personnel costs, $4.1 million in increased noncash stock-based compensation, $2.9 million in increased commercialization preparation, $1.1 million contract acquisition costs related to our Orion Collaboration Agreement, $0.8 million in increased legal fees and $0.4 million of other administrative expenses. Of the increased noncash stock-based compensation, $2.1 million was due to modifications of stock options recorded in the first quarter of 2021 in connection with a severance agreement with our former Chief Financial Officer.

Interest Expense

Interest expense increased for the three and nine months ended September 30, 2021 primarily due to $0.5 million interest expense and $0.2 million of debt amortization for the three months ended September 30, 2021 and $0.7 million interest expense and $0.3 million of debt amortization for the nine months ended September 30, 2021 related to our Notes payable (Note 9 in accompanying notes to consolidated financial statements).

Liquidity and Capital Resources

Since inception, we have incurred net losses and negative cash flows from our operations. We incurred net losses of $70.5 million and $50.0 million for the nine months ended September 30, 2021 and 2020, respectively. Our cash used in operating activities was $33.7 million for the nine months ended September 30, 2021 compared to $44.5 million for the same period a year ago. Historically, we have financed our operations principally through the sale of common stock, preferred stock and convertible debt, and the use of term loans. At September 30, 2021, we had cash and cash equivalents of $145.1 million.

European Commercialization Agreement

On July 30, 2021, we entered into a collaboration agreement (the Collaboration Agreement) with Orion Corporation (Orion), whereby Orion received exclusive rights to commercialize the oral and IV dose formulations of ganaxolone in the European Economic Area, United Kingdom and Switzerland in multiple seizure disorders, including CDD, tuberous sclerosis complex (TSC) and RSE. Under the agreement, we received a €25 million ($29.6 million) upfront fee and are eligible to receive up to an additional €97 million in R&D reimbursement and cash milestone payments based on specific clinical and commercial achievements, as well as tiered royalty payments based on net sales ranging from the low double digits to the high teens for the oral programs and the low double-digits to the low twenties for the IV programs. In connection with the upfront fee, we agreed to provide Orion with the results of an on-going genotoxicity study on the M2 metabolite of ganaxolone, a "Combined Micronucleus & Comet study in vivo." In the event that the results of such study are positive, based on the criteria set forth in the study's protocol, Orion will have the right to terminate the Collaboration Agreement within ninety (90) days after its receipt of the final report of such study, in which case we must refund Orion seventy-five percent (75%) of the upfront fee. In the event of such termination and refund, Orion shall have no further rights pursuant to the oral and IV dose formulations of ganaxolone and the Collaboration Agreement shall terminate and be of no further force or effect.

Oaktree Credit Agreement

On May 11, 2021 (the Closing Date), we entered into a Credit Agreement and Guaranty (as amended by that certain letter agreement on May 17, 2021, the Credit Agreement) with Oaktree Fund Administration, LLC, as administrative agent and the lenders party thereto that provides for a five-year senior secured term loan facility in an



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aggregate original principal amount of up to $125.0 million available to us in five tranches as follows (collectively, the Term Loans):

? $15.0 million of tranche A-1 term loans advanced on the Closing Date.

Through December 31, 2021, $30.0 million of tranche A-2 term loans subject to

? written acceptance by the FDA of an NDA filing relating to the use of

ganaxolone in the treatment of CDD. This $30.0 million tranche was drawn in

September, 2021 after formal acceptance of the NDA filing.

Through December 31, 2022, $30.0 million of tranche B term loans subject to

? receipt of written approval from the FDA of an NDA permitting the marketing of

ganaxolone in the United States to treat CDD (the FDA Approval).

Through June 30, 2023, $25.0 million of tranche C term loans subject to receipt

of the FDA Approval and the completion of one or more financings, including

through the issuance of common stock, convertible debt, subordinated debt, a

synthetic royalty or a sublicense in which we receive gross proceeds in an

? aggregate amount of at least $40.0 million and net proceeds in an aggregate

amount of at least $36.0 million. In addition, the availability of this tranche

is subject to either our current Phase 3 trial in RSE or a Phase 3 trial in TSC

achieving statistical significance (p value < 0.05) across all primary

endpoints and ganaxolone must be generally well tolerated, with a safety

profile generally consistent with previous clinical trials.

Through December 31, 2023, $25 million of tranche D term loans subject to

? receipt of the FDA Approval and us earning an aggregate of at least $50 million

in net product revenue in the United States for a trailing six consecutive

months.

The Term Loans will bear interest at a fixed per annum rate (subject to increase during an event of default) of 11.50% and are scheduled to mature on the fifth anniversary of the Closing Date (the Maturity Date). In addition, at the time of funding of any tranche of the Term Loans, we are required to pay an upfront fee of 2.0% of the aggregate principal amount being funded. We are required to make quarterly interest payments until the Maturity Date. We are also required to make principal payments, which are payable in quarterly installments beginning on the last day of the first quarter ending after the third anniversary of the Closing Date in an amount equal to 5.0% of the aggregate amount of the Term Loans outstanding on the date of the first such quarterly principal payment and continuing until the Maturity Date, on which date all outstanding Term Loans and other amounts owed under the Credit Agreement will be required to be paid in full. A commitment fee of 75 basis points per annum will accrue on each of the tranche B, C and D commitments for the period beginning 120 days after the funding date of the tranche A-2 term loans until the applicable tranche is either funded or terminated.

BARDA Contract

In September 2020, we entered into the BARDA Contract with BARDA. Under the BARDA Contract, we will receive an award of up to an estimated $51 million for development of IV administered ganaxolone for the treatment of RSE. Funding will include support on a cost-sharing basis for completion of a Phase 3 clinical trial of IV-administered ganaxolone in patients with RSE who are refractory to second line anti-epileptic drugs, which covers the RAISE Trial, funding of pre-clinical studies to assess whether IV-administered ganaxolone is an effective treatment for RSE due to chemical nerve gas agent exposure, and funding of certain ganaxolone manufacturing scale-up and regulatory activities.

The BARDA Contract consists of an approximately two-year base period-during which BARDA will provide up to approximately $21 million of funding for the RSE Phase 3 clinical trial on a cost share basis and funding of additional preclinical studies of ganaxolone in nerve agent exposure models. Following successful completion of the RSE Phase 3 clinical trial and preclinical studies in the base period, the BARDA Contract provides for approximately $30 million of additional BARDA funding for three options in support of manufacturing, supply chain, clinical, regulatory and toxicology activities. Under the BARDA Contract, we will be responsible for cost sharing in the amount



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of approximately $33 million and BARDA in the amount of approximately $51 million if all development options are completed. The contract period-of-performance (base period plus option exercises) is up to approximately five years.

Equity Financings

In connection with the closing of an equity financing in December 2020, we issued a total of 5,000,000 shares of common stock in an underwritten public offering resulting in aggregate net proceeds, after underwriting discounts and commissions in the public offering and other estimated offering expenses, of $64.9 million

In connection with the closing of an equity financing in June 2020, we issued a total of 4,600,000 shares of common stock in an underwritten public offering resulting in aggregate net proceeds, after underwriting discounts and commissions in the public offering and other estimated offering expenses, of $42.9 million.

In October 2017, we entered into an Equity Distribution Agreement (Prior EDA) with JMP Securities LLC (JMP), under which JMP, as our exclusive agent, at our discretion and at such times that we may determine from time to time, may sell over a three-year period from the execution of the agreement up to a maximum of $50 million of shares of our common stock. During the year ended December 31, 2020, we issued 78,807 shares of our common stock pursuant to the Prior EDA for aggregate net proceeds of $0.6 million. On July 9, 2020, we entered into a new Equity Distribution Agreement (New EDA) with JMP to create an at the market equity program under which we from time to time may offer and sell shares of our common stock having an aggregate offering price of up to $60.0 million through or to JMP. Subject to the terms and conditions of the New EDA, JMP will use its commercially reasonable efforts to sell shares of our common stock from time to time, based upon our instructions. JMP will be entitled to a commission of up to 3.0% of the gross proceeds from each sale of shares of our common stock. The New EDA superseded and terminated the Prior EDA effective immediately upon effectiveness of our shelf registration statement on Form S-3 (File No. 333-239780) filed with the Securities and Exchange Commission on July 9, 2020 and declared effective by the Securities and Exchange Commission on July 27, 2020. We did not sell any shares of our common stock during the nine months ended September 30, 2021 under the New EDA.

Cash Flows

Operating Activities. Cash used in operating activities decreased to $33.7 million for the nine months ended September 30, 2021 compared to $44.5 million for the same period a year ago. The decrease was driven by the upfront payment related to our Orion Collaboration Agreement and increase in the change in accounts payable, accrued expenses and other long term-liabilities, offset by increase in net loss.

Investing Activities. Cash used by investing activities for the nine months ended September 30, 2021 represents $2.1 million in deposits and purchases of property and equipment, offset by the maturity of short-term investments of $1.5 million. Cash used in investing activities for the nine months ended September 30, 2020 represents $8.9 million purchases of short term investments, partially offset by $5.7 million maturities of short-term investments.

Financing Activities. Cash provided by financing activities for the nine months ended September 30, 2021 primarily represents $40.3 million proceeds from notes payable, net of issuance costs and $0.9 million proceeds from the exercise of stock options and for the nine months ended September 30, 2020 represents $43.5 million proceeds from equity offerings, net of offering costs and $0.6 million proceeds from the exercise of stock options.

Funding Requirements

We have not achieved profitability since our inception, and we expect to continue to incur net losses for the foreseeable future. We expect our cash expenditures to increase in the near term as we fund our continuing and planned clinical trials for ganaxolone, as well as scale up our operations and prepare for the potential commercialization of ganaxolone.



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We believe that our cash and cash equivalents balance as of September 30, 2021 will be sufficient to maintain the minimum cash balance required under our debt facility and to fund our operating expenses and capital expenditure requirements for at least the next 12 months from the date of this filing. However, we will need to raise substantial additional financing in the future to fund our operations. In order to meet these additional cash requirements, we may seek to sell additional equity or convertible debt securities that may result in dilution to our stockholders, or engage in federal contracts or other partnerships. If we raise additional funds through the issuance of convertible debt securities, these securities could have rights senior to those of our common stock and could contain covenants that restrict our operations. There can be no assurance that we will be able to obtain additional equity or debt financing on terms acceptable to us, if at all. Further, the continued spread of COVID-19 has also led to severe disruption and volatility in the global capital markets, which could increase our cost of capital and adversely affect our ability to access the capital markets in the future. Our failure to obtain sufficient funds on acceptable terms when needed could have a negative impact on our business, results of operations, and financial condition.

Our future capital requirements will depend on many factors, including:

? the effects of the COVID-19 pandemic on our business, the medical community and

the global economy;

? the results of our preclinical studies and clinical trials;

? the development, formulation and commercialization activities related to

ganaxolone;

the scope, progress, results and costs of researching and developing ganaxolone

? or any other future product candidates, and conducting preclinical studies and

clinical trials;

? the timing of, and the costs involved in, obtaining regulatory approvals for

ganaxolone or any other future product candidates;

the cost of commercialization activities if ganaxolone or any other future

? product candidates are approved for sale, including marketing, sales and

distribution costs;

the cost of manufacturing and formulating ganaxolone, or any other future

? product candidates, to internal and regulatory standards for use in preclinical

studies, clinical trials and, if approved, commercial sale;

? our ability to establish and maintain strategic collaborations, licensing or

other arrangements and the financial terms of such agreements;

? our ability to receive funding under the BARDA Contract;

our expectations regarding the amount and timing of milestone and royalty

? payments pursuant to our exclusive license agreement with Orion for the

commercialization of ganaxolone in Europe;

? our obligation to reimburse the upfront payment under the Collaboration

Agreement to Orion in the event of a positive genotoxicity study;

? our eligibility for additional debt tranches under the Credit Agreement with

Oaktree;

? any product liability, infringement or other lawsuits related to our product

candidates and, if approved, products;

? capital needed to attract and retain skilled personnel;

the costs involved in preparing, filing, prosecuting, maintaining, defending

? and enforcing patent claims, including litigation costs and the outcome of such


   litigation; and


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? the timing, receipt and amount of sales of, or royalties on, future approved

products, if any.

Please see "Risk Factors" for additional risks associated with our substantial capital requirements.

Off-Balance Sheet Arrangements

We do not have any off-balance sheet arrangements that have or are reasonably likely to have a current or future effect on our financial condition, changes in financial condition, revenues or expenses, results of operations, liquidity, capital expenditures or capital resources that are material to investors.

Discussion of Critical Accounting Policies and Significant Judgments and Estimates

The preparation of financial statements in conformity with GAAP requires us to use judgment in making certain estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities and the reported amounts of revenues and expenses in our financial statements and accompanying notes. Critical accounting policies are those that are most important to the portrayal of our financial condition and results of operations and require difficult, subjective and complex judgments by management in order to make estimates about the effect of matters that are inherently uncertain. During the nine months ended September 30, 2021, there were no significant changes to our critical accounting policies from those described in our annual financial statements for the year ended December 31, 2020, which we included in our Annual Report on Form 10-K and was filed with the SEC on March 9, 2021.

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