You should read the following discussion and analysis of our financial condition and results of operations in conjunction with our unaudited condensed consolidated financial statements and related notes included in Part I, Item 1 of this report.

Overview

We are a growing diagnostics company with proprietary molecular and bioinformatics technology that we are deploying to change the management of genetic disease worldwide. Our goal is to develop and commercialize non- or minimally-invasive tests to evaluate risk for a wide range of genetic conditions, such as Down syndrome, the results of which can enable early detection, diagnosis and treatment. Our technology has been proven clinically and commercially in the prenatal testing space. We have begun translating this success into the liquid biopsy space, where we are leveraging our core expertise to develop products for oncology diagnostic applications, and are also working to develop a transplant rejection test. We seek to enable even wider adoption of our technology through our global cloud-based distribution model. In addition to our direct sales force in the United States, we have a global network of over 100 laboratory and distribution partners, including many of the largest international laboratories.

Since 2009, we have launched a comprehensive suite of thirteen products in reproductive health and prenatal testing - 13 molecular diagnostic tests and a newborn stem cell banking offering to complement our prenatal testing portfolio - as well as our offerings in oncology and transplant rejection, and our Constellation cloud-based platform. We generate a majority of our revenues from the sale of Panorama, our non-invasive prenatal test, "NIPT," which we commercially launched in March 2013. We launched our microdeletions panel for Panorama in 2014 and our twins, egg donor, and surrogate screening capabilities in 2017. We also generate a significant portion of our revenues from the sale of our Horizon Carrier Screening ("HCS") test, which we launched in 2012. We launched our Constellation software platform, which forms the core of our cloud-based distribution model, in May 2015. In August 2017, we launched Signatera, a circulating tumor DNA technology that analyzes and tracks mutations specific to an individual's tumor, for research use only by oncology researchers and biopharmaceutical companies. Signatera was commercially launched in May 2019 for clinical use as an LDT in our own CLIA-certified and CAP-accredited laboratory. We received a final Medicare local coverage determination ("LCD") for Prospera in December 2019, covering all kidney transplant recipients, including those with multiple kidney transplants, launched an early access program to enroll top transplant centers in Q4 2019, and are working towards a full-scale commercial launch of Prospera in 2020. Our revenues were $94.0 million for the three months ended March 31, 2020, compared to $66.8 million for the three months ended March 31, 2019.

We were formed in 2003 under our former name, Gene Security Network. From 2006 through 2013, the National Institutes of Health awarded us cumulative grants of $5.7 million to conduct various research projects including non-invasive aneuploidy screening on circulating fetal cells for prenatal diagnosis. An initial period of research and development was followed by the commercialization of Spectrum Preimplantation Genetic Screening in 2009 and Spectrum Preimplantation Genetic Diagnosis in 2010; Anora Products of Conception ("POC") in 2010; our non-invasive prenatal paternity test in 2011; Horizon Carrier Screening in 2012; Panorama NIPT in 2013; our microdeletions panel for Panorama in 2014; Constellation in 2015; Vistara, Signatera (RUO) and Panorama for twin pregnancies in 2017; and the CLIA version of Signatera in 2019.

In the quarter ended March 31, 2020, we processed most of our tests in our laboratory certified under the Clinical Laboratory Improvement Amendments of 1988 ("CLIA") in San Carlos, California. A portion of our HCS and Vistara testing is performed by third-party laboratories. Our customers include independent laboratories, national and regional reference laboratories, medical centers and physician practices for our screening tests; and research laboratories and pharmaceutical companies for our Signatera technology. We market and sell our prenatal screening tests both through our direct sales force and through our laboratory distribution partners. We bill clinics, laboratory distribution partners, patients and insurance payers for the tests we perform. In cases where we bill laboratory distribution partners, our partners in turn bill clinics, patients and insurers. The majority of our revenue comes from insurers. Insurers with which we have in-network contracts reimburse for NIPT procedures based on positive coverage determinations, which means that the insurer has determined that NIPT in general is medically necessary for this category of patient. In the United States, the majority of insurance providers provide positive NIPT coverage. As of March 31, 2020, we have in-network contracts with insurance providers that account for over 212 million covered lives in the United States. A "covered life" means a



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subscriber, or a dependent of a subscriber, who is insured under an insurance policy with the insurance carrier identified. The number of covered lives represented by insurers that have positive coverage determinations or with which we or our laboratory distribution partners have a contract provides a measure of our access to the healthcare market. Although our target market for NIPT is a much smaller subset of the total number of covered lives because it excludes subscribers for whom our NIPT would not be performed, such as men, children and post-menopausal women, we believe the number of U.S. covered lives for whom we have access under contract represents an important indicator of our access to the total available market for our products. Insurers also reimburse for our products through out-of-network claims submission processes where we do not have a contract with that insurer.

The principal focus of our commercial operations currently is to distribute molecular diagnostic tests through both our direct sales force and laboratory distribution partners, and our Constellation licensees under our cloud-based distribution model. The number of tests that we accession is a key indicator that we use to assess our business. A test is accessioned when we receive the test at our laboratory, the relevant information about the test is entered into our computer system and the test sample is routed into the appropriate sample flow. This number is a subset of the number of tests that we process, which includes tests distributed through our Constellation licensees. The number of tests that we process is a key metric as it tracks overall volume growth, particularly as our laboratory partners may transition from sending samples to our laboratory to our cloud-based distribution model. During the three months ended March 31, 2020, we processed 235,500 tests, comprised of approximately 222,400 tests accessioned in our laboratory, compared to approximately 200,200 tests processed during the three months ended March 31, 2019, comprised of approximately 186,500 tests accessioned in our laboratory. This increase in volume represents continuous commercial growth of Panorama and HCS, both as tests performed in our laboratory as well as through our Constellation software platform.

Prior to 2016, we experienced rapid growth in our U.S.-based internal sales force as part of our effort to increase the number of tests distributed through our direct sales force, because we generate a higher gross margin when we sell testing services directly. The percent of our revenues attributable to our U.S. direct sales force for the three months ended March 31, 2020 was 85%, flat from 85% for the three months ended March 31, 2019. The percent of our revenues attributable to U.S. laboratory distribution partners for the three months ended March 31, 2020 was 7%, slight increase from 6% in the same period in the prior year. Our ability to increase our revenues and gross profit will depend on our ability to further penetrate the U.S. market with our direct sales force. The percent of our revenues attributable to international laboratory distribution partners and other international sales for the three months ended March 31, 2020 was 8%, down from 10% for the three months ended March 31, 2019, due primarily to the increase in US direct sales as a percentage of revenue.

In addition to distributing molecular diagnostic tests to be performed at our laboratory, either directly or through our laboratory distribution partners, we also establish licensing arrangements with laboratories under our cloud-based distribution model, whereby our laboratory licensees run the molecular workflows themselves and then access our bioinformatics algorithms through our cloud-based Constellation software. This cloud-based distribution model results in lower revenues and gross profit per test than in cases where we process a test ourselves; however, because we don't incur the costs of processing the tests, our costs per test under this model are also lower. We began entering into these licensing arrangements starting in the fourth quarter of 2015. For the three months ended March 31, 2020 and 2019, we have recognized revenues of $0.7 million from the prenatal paternity licensee arrangement for both periods. Regarding revenues recognized from our Constellation licensing arrangements, we have recognized $0.6 million for both of the three months ended March 31, 2020 and 2019.

In May 2017, we launched Vistara, an NIPT that screens for single-gene disorders and offered as a complement to Panorama. Upon the launch of Vistara, we entered into an agreement with a laboratory partner to collaborate in improving test performance and to launch commercially. In August 2017, we launched Signatera, a circulating tumor DNA technology that analyzes and tracks mutations specific to an individual's tumor, for research use only by oncology researchers and biopharmaceutical companies. Signatera was commercially launched in May 2019 for clinical use as an LDT in our own CLIA-certified and CAP-accredited laboratory. In October 2017, we expanded our Panorama test to now screen twin pregnancies for zygosity and chromosomal abnormalities. In August 2019, we received a Medicare positive draft local coverage determination for certain forms of colorectal cancer. We received a final Medicare local coverage determination for Prospera in December 2019, covering all kidney transplant recipients, including those with multiple



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kidney transplants, launched an early access program to enroll top transplant centers in Q4 2019, and are working towards a full-scale commercial launch of Prospera in 2020.

For the three months ended March 31, 2020, total revenues were $94.0 million, compared to $66.8 million in the three months ended March 31, 2019. Revenues generated from our genetic testing accounted for $87.0 million or 93% of total revenues for the three months ended March 31, 2020; $63.4 million or 95% of total revenues for the three months ended March 31, 2019. For the periods ended March 31, 2020 and 2019, there were no customers exceeding 10% of the total revenues on an individual basis. Revenues from customers outside the United States were $7.3 million, representing 8% of total revenues for the three months ended March 31, 2020. For the three months ended March 31, 2019, revenues from customers outside the United States were $6.5 million, representing approximately 10% total revenues. Most of our revenues have been denominated in U.S. dollars, but we began to generate revenue in foreign currency in 2015, primarily denominated in Euros and Singapore Dollars.

Our net losses for the three months ended March 31, 2020 and 2019, were $35.4 million and $34.1 million, respectively. This included non-cash stock compensation expense of $7.4 million and $4.1 million for the three months ended March 31, 2020 and 2019, respectively. As of March 31, 2020, we had an accumulated deficit of $734.9 million.

COVID-19 Pandemic

Prior to the spread of COVID-19, we experienced firm growth trends consistent with those experienced in the fourth quarter of 2019 and early in the first quarter 2020.

The spread of COVID-19 has caused us to modify our business practices (including employee travel, mandating that all non-essential personnel work from home, temporary closures of our offices, and cancellation of physical participation in sales activities, meetings, events and conferences), and we may take further actions as may be required by government authorities or that we determine are in the best interests of our employees, customers and business partners. Such actions could also impact our ability to fully integrate businesses we may acquire in the future. There is no certainty that such actions will be sufficient to mitigate the risks posed by the virus or otherwise be satisfactory to government authorities. If significant portions of our workforce, and particularly our laboratory staff, are unable to work effectively, including due to illness, quarantines, social distancing, government actions or other restrictions in connection with the COVID-19 pandemic, our operations will be impacted.

The extent to which the COVID-19 pandemic impacts our business, results of operations and financial condition will depend on future developments, which are highly uncertain and cannot be predicted, including, but not limited to, the duration and spread of the pandemic, its severity, the actions to contain the virus or address its impact, and how quickly and to what extent normal economic and operating activities can resume. The COVID-19 pandemic could limit the ability of our customers, suppliers and business partners to perform under their contracts with us, including third-party payers' ability to make timely payments to us during and following the pandemic. We may also experience a shortage of laboratory supplies and reagents or a suspension of services from other laboratories or third parties. We have also become increasingly dependent on growing and maintaining a network of mobile phlebotomy specialists who can provide testing capabilities, as many consumers are unable to visit clinics, hospitals or other testing facilities as a result of the COVID-19 pandemic. Even after the COVID-19 pandemic has subsided, we may continue to experience an adverse impact to our business as a result of its global economic impact, including any recession that has occurred or may occur in the future.

Specifically, difficult macroeconomic conditions, such as decreases in per capita income and level of disposable income, increased and prolonged unemployment or a decline in consumer confidence as a result of the COVID-19 pandemic, as well as limited or significantly reduced points of access of our products, could have a material adverse effect on the demand for some of our products, such as our products targeted for the IVF market, which many consumers may view as discretionary. Decreased demand for our tests, particularly in the United States, could negatively affect our overall financial performance. Because a significant portion of our revenue is concentrated in the United States, where the impact of COVID-19 has been significant, the COVID-19 pandemic could have a disproportionately negative impact on our business and financial results.



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Our test volumes began to decrease in the second half of March 2020 as a result of the COVID-19 pandemic spreading to the United States and resulting limitations and reordering of priorities across the U.S. healthcare system. We expect our test volumes to continue to be adversely affected by COVID-19 and we cannot predict when volumes will return to normal. While it is too early to predict the full impact COVID-19 will have on our business, we expect it to have a material adverse impact on our financial results for at least the next quarter and potentially the full year, depending upon the timing of any lifting of COVID-19 limitations on the U.S. healthcare system and general economic recovery. In response to the COVID-19 pandemic, we have implemented measures to protect the health of our employees and to support the functionality of our laboratories.

Components of the Results of Operations

Revenues

We generate revenues from the sale of our genetic tests, primarily from the sale of our Panorama and HCS tests. Our two primary distribution channels are our direct sales force and our laboratory partners. In cases where we promote our tests through our direct sales force, we generally bill directly to a patient, clinic or insurance carrier, or a combination of the insurance carrier and patient for the fees.

In cases where we sell our tests through our laboratory partners, the majority of our laboratory partners bill the patient, clinic or insurance carrier for the performance of our tests, and we are entitled to either a fixed price per test or a percentage of their collections.

Starting in the fourth quarter of 2015, we began recognizing licensing revenues through the licensing and the provisioning of services to support the use of our proprietary technology by licensees under our cloud-based distribution model.

Sales of Panorama, HCS, Vistara, Anora, PGS and PGD tests are recorded as product revenues. Revenues recognized from tests processed through our Constellation software platform, Signatera revenues, and revenue recognized from the Qiagen, BGI Genomics, and Foundation Medicine agreements (collectively the "Strategic Partnership Agreements"), and Signatera (RUO) are reported in licensing and other revenues. As of March 31, 2020, we are recognizing revenues on 15 licensing and service arrangements with laboratories under our cloud-based distribution model from which we recognized revenue from in the three months ended March 31, 2020.

Our ability to increase our revenues will depend on our ability to further penetrate the domestic and international markets and, in particular, generate sales through our direct sales force, develop and commercialize additional tests, obtain reimbursement from additional third-party payers and increase our reimbursement rate for tests performed. In particular, our financial performance depends on reimbursement for Panorama in the average risk population and for microdeletions. The use of Panorama in the average risk population is not yet broadly reimbursed, although many third-party payers have begun to reimburse for this. Many third-party payers do not currently reimburse for microdeletions screening, as further discussed in the risk factor entitled "Reimbursement and Regulatory Risks Related to Our Business- If we are unable to expand or maintain third-party payer coverage and reimbursement for Panorama and our other tests, or if we are required to refund any reimbursements already received, our revenues and results of operations would be adversely affected," in part because there is currently limited published data on the performance of microdeletions screening tests. A new current procedure terminology ("CPT") code for microdeletions went into effect beginning January 1, 2017. We have experienced low average reimbursement rates thus far for microdeletions testing under this new code, and we expect that this new code will cause, at least in the near term, our microdeletions reimbursement to remain low, due to third-party payers declining to reimburse and through reduced reimbursement under the new code. This has had, and we expect it will continue to have, an adverse impact on our revenues. In addition, a new CPT code for expanded carrier screening went into effect beginning January 1, 2019, and has had, and may continue to have, an adverse effect on our reimbursement rates for our broader Horizon carrier screening panel for which we previously primarily received reimbursement on a per-condition basis, as those tests may be reimbursed as a combined single panel instead of as multiple individual tests. Because our revenues from Horizon continue to represent an increasing proportion of our overall revenues, a decline in our reimbursement rates for, and therefore our average selling price of, Horizon, could result in a decline in our overall revenue.



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Our financial performance is also impacted by having increased our in in-network coverage with third-party payers, which we believe is crucial to our growth and long-term success. However, because the negotiated fees under our contracts with third-party payers are typically lower than the list price of our tests, as we enter into additional in-network contracts with insurance providers, our average reimbursement per test may decrease as compared to out-of-network contracts. While we expect the reduction in average reimbursement per test from in-network pricing to reduce our revenues and gross margins in the near term, in-network pricing is more predictable than out-of-network pricing, and we intend to continue to mitigate the impact by driving more business from our most profitable accounts. In addition, our strategy to offer our tests to laboratory licensees via our Constellation cloud-based software platform may also cause our revenues to decrease because we do not process the tests and perform the molecular biology analysis in our own laboratory under this model, and therefore are not able to charge as high an amount, and as a result realize lower revenues per test than when we perform the entire test ourselves. However, cost of licensing and other revenues for the Constellation software platform are relatively low, and therefore, its associated gross margin is higher.

Cost of Product Revenues

The components of our cost of product revenues are material and service costs, impairment charges associated with testing equipment, personnel costs, including stock-based compensation expense, equipment and infrastructure expenses associated with testing samples, electronic medical records, order and delivery systems, shipping charges to transport samples, costs incurred from outsourcing our tests to third parties, and allocated overhead such as rent, information technology costs, equipment depreciation and utilities. Costs associated with performing tests are recorded when the test is accessioned. We expect cost of product revenues in absolute dollars to increase as the number of tests we perform increases.

However, having rapidly achieved scale, we have increased our focus on more efficient use of labor, automation, and DNA sequencing. For example, we updated the molecular and bioinformatics process for Panorama to further reduce the sequencing reagents, test steps and associated labor costs required to obtain a test result, while increasing the accuracy of the test to allow it to run with lower fetal fraction input. These improvements also reduced the frequency of the need to require blood redraws from the patient.

Cost of Licensing and Other Revenues

The components of our cost of licensing and other revenues are material costs associated with test kits sold to Constellation clients, development and support services relating to our Strategic Partnership Agreements, and costs associated with specimens and Whole Exome Sequencing ("WES") from both in-house and by third party providers, as well as labor costs, relating to our Signatera offering.

We currently have 15 revenue generating licensing and service agreements with laboratories and continue to have active discussions with many other potential licensees under our Constellation distribution model. We consider our cost of licensing and other revenues for the Constellation software platform to be relatively low, and therefore we expect its associated gross margin is higher.

Research and Development

Research and development expenses include costs incurred to develop our technology, collect clinical samples and conduct clinical studies to develop and support our products. These costs consist of personnel costs, including stock-based compensation expense, prototype materials, laboratory supplies, consulting costs, regulatory costs, electronic medical records set up costs, costs associated with setting up and conducting clinical studies at domestic and international sites and allocated overhead, including rent, information technology, equipment depreciation and utilities. We expense all research and development costs in the periods in which they are incurred. We expect our research and development expenses to increase in absolute dollars as we continue to invest in research and development activities related to developing enhanced and new products.



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Selling, General and Administrative

Selling, general and administrative expenses include executive, selling and marketing, legal, finance and accounting, human resources, billing and client services. These expenses consist of personnel costs, including stock-based compensation expense, direct marketing expenses, audit and legal expenses, consulting costs, training and medical education activities, payer outreach programs and allocated overhead, including rent, information technology, equipment depreciation, and utilities.

Interest Expense

Interest expense is attributable to borrowing under our Credit Line and 2017 Term Loan, as well as the amortization of debt discount associated with the 2017 Term Loan.

Interest and Other Income, Net

Interest and other income is from interest earned on our cash, realized gains and losses on investments, foreign currency remeasurement gains and losses, and finance charges related to the unused borrowing capacity of our 2017 Term Loan.

Critical Accounting Policies

Our management's discussion and analysis of our financial condition and results of operations is based on our financial statements, which have been prepared in accordance with generally accepted accounting principles in the United States. The preparation of these financial statements requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the financial statements, as well as the reported revenue generated, and expenses incurred during the reporting periods. Our estimates are based on our historical experience and on various other factors that we believe are reasonable under the circumstances, the results of which form the basis for making judgments about the carrying value of assets and liabilities that are not readily apparent from other sources. Actual results may differ from these estimates under different assumptions or conditions. We consider our critical accounting policies and estimates to be revenue recognition, leases, fair value measurements, and stock-based compensation.

Recent Accounting Pronouncements

There are no recent accounting pronouncements that have a material impact to our condensed consolidated financial statements. See Note 2, Summary of Significant Accounting Policies, for recently adopted accounting pronouncements.

Revenue Recognition

We recognize revenues when, or as, performance obligations in the contracts are satisfied, in the amount reflecting the expected consideration to be received from the goods or services transferred to the customers.

Product Revenues

Product revenues are derived from contracts with insurance carriers, laboratory partners and patients in connection with sales of prenatal genetic tests. The majority of our revenues are derived from Panorama NIPT, HCS, and to a lesser extent, other genetic tests. We enter into contracts with insurance carriers with primarily payment terms related to tests provided to the patients who have health insurance coverage. Insurance carriers are considered to be third-party payers on behalf of the patients, and the patients are considered as the customers who receive genetic test services. Tests may be billed to insurance carriers, patients, or a combination of insurance carriers and patients. Further, we sell tests to a number of domestic and international laboratory partners and identify the laboratory partners as customers provided that there is a test services agreement between us and them.





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A performance obligation represents a promise in a contract to transfer a distinct good or service to a customer, which represents a unit of accounting in accordance with ASC 606. A portion of the consideration should be allocated to each distinct performance obligation and recognized as revenue when, or as, the performance obligation is satisfied. We evaluate our contracts with insurance carriers, laboratory partners and patients and identify a single performance obligation in those contracts, which is the delivery of the test results.

The total consideration which we expect to collect in exchange for our products is an estimate and may be fixed or variable. Consideration includes reimbursement from both patients and insurance carriers, adjusted for variable consideration related to disallowed cases, discounts, refunds and doubtful accounts, and is estimated using the expected value approach. For insurance carriers with similar reimbursement characteristics, we use the portfolio of relevant historical data to estimate variable consideration and total collections for our products. We constrain the estimated variable consideration when we assess it is probable that a significant reversal in the amount of cumulative revenue recognized may occur in future periods. The consideration expected from laboratory partners usually includes a fixed amount, but it can be variable depending on the volume of tests performed, and we determine the variable consideration using the expected value approach. For insurance carriers, laboratory partners and patients, we allocate the total consideration to a single performance obligation, which is the delivery of the test results to the customers.

When assessing the total consideration for insurance carriers and patients, a certain percentage of revenues is further constrained for estimated refunds.

We generally bill an insurance carrier, a laboratory partner or a patient upon delivery of test results. We also bill patients directly for out-of-pocket costs involving co-pays and deductibles that they are responsible for. Tests billed to insurance carriers and directly to patients usually take an average of nine to twelve months to collect the payments, and for tests billed to laboratory distribution partners, the average collection cycle takes approximately two to three months. At times, we may or may not get reimbursed for the full amount billed. Further, we may not get reimbursed at all for tests performed if such tests are not covered under the insurance carrier's reimbursement policies or we are not a qualified provider to the insurance carrier, or if the tests were not previously authorized.

Product revenue is recognized in an amount that equals the total consideration (as described above) at a point in time when the test results are delivered. We reserve certain amounts in other accrued liabilities on the balance sheet in anticipation of requests for refunds of payments previously made by insurance carriers, which are accounted for as reductions in product revenues in the statement of operations and comprehensive loss. During the three months ended March 31, 2020 and 2019, $1.0 million and $0.5 million, respectively, were released from amounts previously held in reserves in other accrued liabilities, and recognized as product revenue.





Licensing and Other Revenues


We recognize licensing revenues from our Constellation cloud-based distribution model, pursuant to which we grant licenses to laboratories to access our proprietary bioinformatics algorithms through our cloud-based software to analyze the results of molecular workflows that such licensees perform in their laboratories. In addition, the royalties we receive from our arrangement with a prenatal paternity licensee are recognized Constellation revenues.

We also recognize revenues from our Signatera (RUO) offering, which is for research use only to cancer researchers and biopharmaceutical companies. We enter into agreements with pharmaceutical companies to utilize our Signatera tests typically to study new cancer treatments or to validate the outcomes of clinical trials for which the pharmaceutical companies are identified as customers.

We also recognize revenues from our Strategic Partnership Agreements The performance obligations are unique in each agreement and would typically require the license of intellectual property, development services, support services, and future test work. In addition, we recognize revenues from IVD kits.





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Results of Operations

Comparison of the three months ended March 31, 2020 and 2019




                                           Three months ended
                                               March 31,                   Change
                                           2020          2019        Amount      Percent
(In thousands except percentage)
Revenues
Product revenues                        $   87,046    $   63,364    $  23,682       37.4 %
Licensing and other revenues                 6,966         3,460        3,506      101.3
Total revenues                              94,012        66,824       27,188       40.7
Cost and expenses
Cost of product revenues                    41,520        41,605         (85)      (0.2)

Cost of licensing and other revenues 3,458 1,698 1,760 103.7 Research and development

                    18,225        11,435        6,790       59.4

Selling, general and administrative 65,681 43,832 21,849 49.8 Total cost and expenses

                    128,884        98,570       30,314       30.8
Loss from operations                      (34,872)      (31,746)      (3,126)        9.8
Interest expense                           (2,464)       (2,724)          260      (9.5)
Interest and other income, net               1,987           453        1,534      338.6
Loss before income taxes                  (35,349)      (34,017)      (1,332)        3.9
Income tax expense                            (23)          (74)           51     (68.9)
Net loss                                $ (35,372)    $ (34,091)    $ (1,281)        3.8 %




Revenues


Total revenues are comprised of product revenues, which are primarily driven by sales of our Panorama and HCS tests, and licensing and other revenues, which primarily includes development licensing revenue, licensing of our Constellation software to our licensees and revenues from our Signatera (RUO) offering. Total revenues increased by $27.2 million, or 40.7%, when compared to the three months ended March 31, 2019.

We derive our revenues from tests based on units reported to customers-tests delivered with a result. All reported units are either accessioned in our laboratory or processed outside of our laboratory. As noted in "-Overview," the number of tests that we process is a key metric as it tracks overall volume growth. During the three months ended March 31, 2020, total reported units were approximately 221,500, comprising of approximately 209,200 tests reported in our laboratory.

In addition, our ability to market and sell our tests outside of the United States has shown growth as revenues from customers outside the United States were $7.3 million for the quarter ended March 31, 2020, compared to $6.5 million for the quarter ended March 31, 2019.

Product Revenues

During the three months ended March 31, 2020, product revenues increased by $23.7 million, or 37.4% compared to the three months ended March 31, 2019, as a result of continued revenue growth in tests. Revenues had a net increase due to approximately $13.0 million from volume growth and $10.7 million from higher average selling price.

Licensing and Other Revenues

Licensing and other revenues increased by $3.5 million, or 101.3%, during the three months ended March 31, 2020 when compared to the three months ended March 31, 2019. The increase in revenue was primarily due to revenues recognized from our Strategic Partnership Agreements of approximately $3.2 million.



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Cost of Product Revenues

During the three months ended March 31, 2020, cost of product revenues remained flat when compared to the three months ended March 31, 2019 primarily due to higher labor and overhead of approximately $3.4 million driven by the increase in accessioned cases. Furthermore, we recorded higher costs related to inventory consumption of $1.6 million also driven by the increase in accessioned cases, offset by a net decrease of $4.0 million of cost savings due to our in-house HCS automation workflow, $0.3 million in specimen and storage fees due to the sale of Evercord, and $0.4 million in shipping costs due to favorable pricing.

Cost of Licensing and Other Revenues

Cost of licensing and other revenues for the three months ended March 31, 2020, when compared to the three months ended March 31, 2019, increased by $1.8 million, or 103.7%. During the three months ended March 31, 2020, the increase in licensing and other costs was primarily due to increases in costs to satisfy performance obligations for our Signatera (RUO) offering concurrently with the increase in Signatera (RUO) revenues, and development costs for our Strategic Partnership Agreements.

Research and Development

Research and development expenses during the three months ended March 31, 2020 increased by $6.8 million, or 59.4%, when compared to the three months ended March 31, 2019. The increases were primarily driven by increases in salary and consulting related expenditures of $5.4 million, clinical studies related our new product offerings of $0.9 million, and lab related expenditures of $0.9 million, offset by reduced allocation of employees to research and development activities due to increases in cost of sales activities of $0.7 million.

Selling, General and Administrative

Selling, general and administrative expenses increased by $21.8 million, or 49.8%, in the three months ended March 31, 2020 compared to the three months ended March 31, 2019. The increase in selling, general and administrative expenses was primarily attributable to higher salaries and related expenses of $11.8 million resulting from the combined effect of headcount growth as we are expanding our product offering, increases in payroll related expenses, and stock-based compensation; higher outside service costs of $4.0 million in connection with domestic and international consultants, audit fees, legal fees, higher corporate related expenses of $2.8 million associated primarily with our third-party billing and collection vendors and merchant fees, higher tradeshow expenses of $1.2 million, increase in credit loss expense of $1.2 million of other receivables related to our previously sold Evercord business, and higher travel related expenses of $0.7 million.

Interest Expense

Interest expense decreased by $0.2 million in the three months ended March 31, 2020 compared to the same period in the prior year. The increase was primarily the result of the change in LIBOR rate in connection with our 2017 Term Loan.

Interest and Other Income

Interest and other income was $2.0 million for the three months ended March 31, 2020, compared to $0.5 million in the same period of the prior year, an increase of $1.5 million, due primarily to increased interest income from higher cash, cash equivalent and investments balances of $1.0 million and sublease income of $0.5 million.

Liquidity and Capital Resources

We have incurred net losses each year since our inception. For the three months ended March 31, 2020, we had a net loss of $35.4 million, and we expect to continue to incur losses in future periods as we continue to devote a substantial portion of our resources to our research and development and commercialization efforts for our existing and new products.



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As of March 31, 2020, we had an accumulated deficit of $734.9 million. We had $74.2 million in cash and cash equivalents and restricted cash, $331.7 million in marketable securities, $50.1 million of outstanding balance of the Credit Line including accrued interest, and $72.9 million of net carrying amount of the 2017 Term Loan.

While we have introduced multiple products that are generating revenues, these revenues have not been sufficient to fund all operations. Accordingly, we have funded the portion of operating costs that exceeds revenues through a combination of equity issuances and debt and other financings. We expect to develop and commercialize future products and, consequently, we will need to generate additional revenues to achieve future profitability and may need to raise additional equity or incur additional debt. If we raise additional funds by issuing equity securities, our stockholders would experience dilution. Additional debt financing, if available, may involve covenants restricting our operations or our ability to incur additional debt. Any additional debt financing or additional equity that we raise may contain terms that are not favorable to us or our stockholders and requires significant debt service payments, which diverts resources from other activities. Additional financing may not be available at all, or in amounts or on terms acceptable to us. If we are unable to obtain additional financing, we may be required to delay the development and commercialization of our products and significantly scale back our business and operations.

In April 2019, we completed an underwritten equity offering to and sold 6,052,631 shares of its common stock at a price to the public of $19 per share. Before offering expenses of $0.6 million, we received proceeds of $108.1 million net of the underwriting discount. In October 2019, we completed another underwritten equity offering and sold 6,571,428 shares of its common stock at a price to the public of $35 per share. Before offering expenses of $0.4 million, we received proceeds of $216.2 million net of the underwriting discount.

In April 2020, we executed a purchase agreement for the sale of $287.5 million aggregate principal amount of our 2.25% Convertible Senior Notes due 2027 (the "Convertible Notes") to the initial purchasers in a private placement and for initial resale to qualified institutional buyers pursuant to the exemption from registration provided by Rule 144A under the Securities Act. A maximum of 9,634,700 shares of the our common stock may be issued upon conversion of the Convertible Notes, subject to adjustment. The net proceeds from the offering of the Convertible Notes, given the initial purchasers' full exercise of their option to purchase additional Convertible Notes, were approximately $278.9 million net of the underwriting discount.

In April 2020, we used a portion of the net proceeds from the offering of the Convertible Notes to repay our obligations under the 2017 Term Loan with OrbiMed. The payoff amount was $79.2 million, which includes the principal amount of $75.0 million and $4.2 million of early payment penalties and accrued interest through the payment date.

Based on our current business plan, we believe that our existing cash and marketable securities will be sufficient to meet our anticipated cash requirements for at least 12 months after May 7, 2020.

Credit Line Agreement

In September 2015, we entered into the Credit Line with UBS providing for a $50.0 million revolving line of credit which can be drawn in increments at any time. The Credit Line was amended in July 2017 and bears interest at 30-day LIBOR plus 1.10%, and it is secured by a first priority lien and security interest in our money market and marketable securities held in our managed investment account with UBS. UBS has the right to demand full or partial payment of the Credit Line obligations and terminate it, in its discretion and without cause, at any time.

2017 Term Loan

In August 2017, we entered into the 2017 Term Loan with OrbiMed, which had a maximum borrowing capacity of $100.0 million. On the closing date of August 8, 2017, we borrowed $75.0 million, with the remaining $25.0 million available to borrow at our option at any time through December 31, 2018, subject to standard conditions. The amounts borrowed under the 2017 Term Loan will primarily be used for general corporate purposes and to fund and support our business and operations. Interest accrues on the outstanding balance of the loan at a rate equal to the sum of (i) 8.75% plus (ii) the higher of 1.00% or LIBOR. The 2017 Term Loan has an 84-month term and will mature in August 2024. We are required to make interest payments on a quarterly basis, with repayment of the full outstanding balance on the maturity



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date. Our obligations under the 2017 Term Loan are secured by substantially all of our assets, including our intellectual property, subject to certain customary exceptions.

On December 31, 2018, we amended certain terms in the 2017 Term Loan with OrbiMed. The amendment increased the existing unused borrowing capacity from $25.0 million to $50.0 million and extended the expiration date for the option to draw the unused borrowing capacity to March 31, 2019. If the aggregate principal amount drawn from the unused borrowing capacity is $50.0 million, the interest rate described above would instead decrease to the sum of (i) 8.25% plus (ii) the higher of 1.00% or LIBOR. If the amount drawn is less than $50.0 million, the interest rate would remain at the sum of (i) 8.75% plus (ii) the higher of 1.00% or LIBOR.

In April 2019, we entered into a second amendment of the 2017 Term Loan with OrbiMed to further extend the expiration date until December 31, 2019 to draw the unused borrowing capacity of $50.0 million. In the second amendment, the interest rate is equal to the sum of (i) 8.25% plus (ii) the higher of 1.00% or LIBOR, provided we draw the minimum capacity of $25.0 million. If the amount drawn is less than $25.0 million, the interest rate would remain at the sum of (i) 8.75% plus (ii) the higher of 1.00% or LIBOR. As a fee in consideration of extending the commitment to provide this option to draw until December 31, 2019, we issued an additional 25,000 shares of our common stock to OrbiMed on April 29, 2019. As of December 31, 2019, we did not exercise such option, and the right to draw the unused borrowing capacity has expired. As described above, in April 2020, we used a portion of the net proceeds from the offering of the Convertible Notes to repay our obligations under the 2017 Term Loan with OrbiMed.

Cash Flows



The following table summarizes our condensed consolidated cash flows for the
periods indicated:


                                                            Three Months Ended
                                                                March 31,
                                                            2020           2019

(Amounts in thousands) Cash (used in) provided by operating activities $ (35,100) $ (31,819) Cash provided by investing activities

                         43,492        12,917
Cash provided by financing activities                          3,826         2,578

Net (decrease) increase in cash, cash equivalents and restricted cash

                                               12,218      (16,324)

Cash, cash equivalents and restricted cash, beginning of period

                                                     61,981        51,004

Cash, cash equivalents and restricted cash, end of period

$    74,199    $   34,680

Cash Used in Operating Activities

Cash used in operating activities during the three months ended March 31, 2020 was $35.1 million. The net loss of $35.4 million includes $13.3 million in non-cash charges resulting from $1.8 million of depreciation and amortization, $1.9 million non-cash lease expense, $7.5 million of stock-based compensation expense; $0.1 million of amortization of debt discount, $0.7 million premium amortization and discount accretion on investment securities, and $1.4 million provision for credit losses. These non-cash charges were offset by $0.1 million in other non-cash benefits. Operating assets had $13.6 million cash outflow resulting from $8.8 million increases in accounts receivable, $1.7 million increase in inventory, $2.2 million in lease payments and $1 million in prepaids and other assets net of allowances for credit loss associated with receivables from third-party buyer, offset by $0.1 million increases in other assets. Operating liabilities generated cash inflows of $0.6 million due to an increase in accounts payable of $0.2 million, increase in accrued compensation by $3.2 million offset by a decrease of deferred revenues of $2.8 million.

Cash used in operating activities during the three months ended March 31, 2019 was $31.8 million. The net loss of $34.1 million includes $8.1 million in non-cash charges resulting from $1.9 million of depreciation and amortization, $1.9 million non-cash lease expense, $4.0 million of stock-based compensation expense; amortization of debt discount, premium amortization and discount accretion on investment securities totaling $0.1 million, and $0.1 million of inventory excess adjustments. Operating assets generated nominal cash outflows resulting from $2.1 million decrease in accounts receivable and $0.2 million decrease in other assets, offset by $0.2 increase in inventory and $2.1 million increase in



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prepaid expenses and other current assets. Operating liabilities generated cash outflows of $5.8 million due to a decrease in accounts payable of $5.5 million and a decrease in accrued compensation of $1.8 million, offset by increases in other accrued liabilities of $1.0 million and deferred revenues of $0.5 million.

Cash Used in Investing Activities

Cash provided by investing activities for the three months ended March 31, 2020 totaled $43.5 million, which was comprised of maturities of investments of $93.8 million, sales of investments of $11.5 million, offset by purchasing new investments of $53.9 million, and acquisitions of property, plant and equipment of $7.9 million.

Cash used in investing activities for the three months ended March 31, 2019 totaled $12.9 million, which was comprised of $32.5 million in proceeds resulting from maturities of investments, offset by purchases of investments of $18.6 million and acquisitions of property and equipment of $1.0 million.

Cash Provided by Financing Activities

Cash provided by financing activities for the three months ended March 31, 2020 and March 31, 2019 totaled $3.8 million and $2.6 million, respectively. The cash proceeds were primarily comprised of proceeds from the exercise of stock options.

Contractual Obligations and Other Commitments

See Note 8 - Commitments and Contingencies for details.

Off-Balance Sheet Arrangements

We do not have any off-balance sheet arrangements as defined in Item 303(a)(4)(ii) of Regulation S-K.

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