The following discussion and analysis of our financial condition and results of
operations should be read together with our condensed financial statements and
related notes elsewhere in this Quarterly Report and our audited financial
statements and the related notes and the discussion under the heading
"Management's Discussion and Analysis of Financial Condition and Results of
Operations" in our Annual Report on Form 10-K for the fiscal year ended December
31, 2020 filed with the SEC on March 30, 2021 (Annual Report). Some of the
information contained in this discussion and analysis or set forth elsewhere in
this Quarterly Report, including information with respect to our plans and
strategy for our business and related financing, includes forward-looking
statements that involve risks and uncertainties. As a result of many factors,
including those factors set forth in the "Risk Factors" section of this
Quarterly Report, our actual results could differ materially from the results
described in or implied by the forward-looking statements contained in the
following discussion and analysis. You should carefully read the "Risk Factors"
section of this Quarterly Report to gain an understanding of the important
factors that could cause actual results to differ materially from our
forward-looking statements. Please also see the section entitled "Special Note
Regarding Forward-Looking Statements."

Management's Discussion and Analysis of Financial Condition and Results of
Operations (MD&A) is designed to provide material information relevant to an
assessment of our financial condition and results of operations, including an
evaluation of the amounts and certainty of cash flows from operations and from
outside sources. This section is designed to focus on material events and
uncertainties known to management that are reasonably likely to cause reported
financial information not to be necessarily indicative of future operating
results or of future financial condition. This includes descriptions and amounts
of matters that have had a material impact on reported operations, as well as
matters that are reasonably likely based on management's assessment to have a
material impact on future operations.

Overview



Our primary focus is to advance health equity and outcomes through the delivery
of accurate infectious disease testing in the moment of need, at the point of
care. We plan to develop and commercialize innovative products on our
sample-to-answer Talis One system to enable accurate, low cost and rapid
molecular testing.

We are developing the Talis One system which leverages expertise across
chemistry, biology, engineering and software to create a fully integrated,
cloud-enabled and portable molecular diagnostic solution that customers can
rapidly deploy when and where needed. The Talis One system incorporates core
proprietary technologies into a compact, easy-to-use instrument, that utilizes
single use test cartridges and software, including a central cloud database,
which are designed to work together to provide levels of testing accuracy
equivalent to a central laboratory. We intend to commercialize the Talis One
system as an integrated solution comprising single use consumables, an
instrument and software. Our commercial strategy will focus on building and
expanding an installed base of Talis One systems to generate revenue from the
purchase of such products. Our first commercial test is a rapid point-of-care
molecular diagnostic to detect SARS-CoV-2 directly from a patient sample in less
than 30 minutes (COVID-19 test). We are also developing assays for the detection
of other respiratory infections that could be included as a panel test with
our COVID-19 test as well as tests for infections related to women's health and
sexually transmitted infections.

Our products will require marketing authorization from the FDA prior to
commercialization. On November 5, 2021, we received an Emergency Use
Authorization (EUA) from the U.S. Food and Drug Administration (FDA) for the
emergency use of the Talis One system for our COVID-19 test, which we refer to
as the Talis One COVID-19 Test System. Due to the COVID-19 global pandemic, we
obtained marketing authorization for our COVID-19 test under an EUA rather than
initially pursuing 510(k) clearance or other forms of marketing authorization
under the FDA's standard medical device authorities.

We have invested in automated cartridge manufacturing lines capable of producing
one million Talis One cartridges per month. The first of such lines was
delivered in the first quarter of 2021, and we expect will scale to meet demand
through 2021. These manufacturing lines are located at our contract
manufacturers' sites and are operated by our contract manufacturing partners. We
have also ordered 5,000 Talis One instruments from our instrument contract
manufacturer.

Since our inception in 2013, we have devoted substantially all our efforts to
research and development activities, manufacturing capabilities, raising
capital, building our intellectual property portfolio and providing general and
administrative support for these operations. We have principally financed our
operations through the issuance and sale of shares of our convertible preferred
stock to outside investors in private equity financings as well as the issuance
of convertible promissory notes and receipts from government grants. Prior to
our initial public offering we received $351.5 million from investors in our
preferred stock financings and the sale of convertible promissory notes that
converted in such financings. Additionally, on February 17, 2021, we
raised $232.5 million through an initial public offering (IPO) to finance
operations going forward.

                                       20

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We have incurred recurring losses since our inception, including net losses of
$163.4 million for the nine months ended September 30, 2021 and $46.9 million
for the nine months ended September 30, 2020. As of September 30, 2021, we had
an accumulated deficit of $336.3 million. We expect to continue to generate
operating losses and negative operating cash flows for the foreseeable future if
and as we:

• continue the research and development of our platform and assays for

additional diseases;

• initiate clinical trials for, or additional preclinical development of,

our platform;

• further develop and refine the manufacturing processes for our platform;

• change or add manufacturers or suppliers of materials used for our platform;




  • seek marketing authorizations;

• seek to identify and validate diagnostic assays for other disease states;

• obtain, maintain, protect and enforce our intellectual property portfolio;




  • hire and deploy a salesforce;


  • seek to attract and retain new and existing skilled personnel;

• create additional infrastructure to support our operations as a public


        company and incur increased legal, accounting, investor relations and
        other expenses; and


  • experience delays or encounter issues with any of the above.


In addition, we expect to incur significant commercialization expenses related
to product manufacturing, marketing, sales and distribution. As a result, we
will need substantial additional funding to support our operating activities.
Until such time as we can generate significant revenue from product sales, if
ever, we expect to finance our operating activities through a combination of
equity offerings, debt and grant revenue. Adequate funding may not be available
to us on acceptable terms, or at all.

If we are unable to obtain funding, we will be forced to delay, reduce or
eliminate some or all of our research and development programs, product
portfolio expansion or commercialization efforts, which could adversely affect
our business prospects, or we may be unable to continue operations. Although we
continue to pursue these plans, there is no assurance that we will be successful
in obtaining sufficient funding on terms acceptable to us to fund continuing
operations, if at all.

As of September 30, 2021, we had unrestricted cash and cash equivalents of
$273.6 million. We expect that our cash and cash equivalents of $273.6 million
as of September 30, 2021 will be sufficient to fund our operations through at
least the next 12 months from the date our condensed financial statements are
issued. We may need substantial additional funding to support our continuing
operations and pursue our long-term business plan. We may seek additional
funding through the issuance of our common stock, other equity or debt
financings, or collaborations or partnerships with other companies. The amount
and timing of our future funding requirements will depend on many factors,
including the pace and results of our research efforts for our assays and
development and manufacturing activities. We may not be able to raise additional
capital on terms acceptable to us, or at all. Any failure to raise capital as
and when needed would compromise our ability to execute on our business plan and
may cause us to significantly delay or scale back our operations.

We outsource essentially all of our manufacturing. Design work, prototyping and
pilot manufacturing are performed in-house before outsourcing to third party
contract manufacturers. Our outsourced production strategy is intended to drive
rapid scalability and avoid the high capital outlays and fixed costs related to
constructing and operating a manufacturing facility. Certain of our suppliers of
components and materials are single source suppliers. To support our commercial
launch, we have invested in automated cartridge manufacturing production lines
for our Talis One cartridges. Up until the point we received EUA for the Talis
One COVID-19 system, those assets deemed to have an alternative future use were
capitalized as property and equipment while those assets determined to not have
an alternative future use were expensed. The automated cartridge manufacturing
lines are capable of producing one million Talis One cartridges per month, which
we expect will scale to meet demand through 2021.

COVID-19 pandemic



Since it was reported to have surfaced in December 2019, a novel strain of
coronavirus (COVID-19) has spread across the world and has been declared a
pandemic by the World Health Organization. Efforts to contain the spread
of COVID-19 have intensified and governments around the world, including in the
United States, Europe and Asia, have implemented travel restrictions, social
distancing requirements, stay-at-home orders and have delayed the commencement
of non-COVID-19-related clinical trials, among other restrictions. As a result,
the current COVID-19 pandemic has presented a substantial public health and
economic challenge

                                       21

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around the world and is affecting our employees, patients, communities and business operations, as well as contributing to significant volatility and negative pressure on the U.S. economy and in financial markets.



We expect that COVID-19 precautions will directly or indirectly impact the
timeline for some of our planned clinical trials for our non-COVID-19 related
products in development and we are continuing to assess the potential impact of
the COVID-19 pandemic on our current and future business and operations,
including our expenses and clinical trials, as well as on our industry and the
healthcare system.

As a result of the outbreak, many companies have experienced disruptions in
their operations and in markets served. We are considered an essential business,
therefore the impact to our operations has been limited. To date, we have
initiated some and may take additional temporary precautionary measures intended
to help ensure our employees' well-being and minimize business disruption. For
the safety of our employees and their families, we have temporarily reduced the
presence of our employees in our facilities. Certain of our third-party service
providers have also experienced shutdowns or other business disruptions. We are
continuing to assess the impact of the COVID-19 pandemic on our current and
future business and operations, including our expenses and planned clinical
trial and other development timelines, as well as on our industry and the
healthcare system.

As a result of the COVID-19 pandemic, or similar pandemics and outbreaks, we have and may in the future experience severe disruptions, including:

• interruption of or delays in receiving products and supplies from the

third parties we rely on to, among other things, manufacture components of


        our instruments, due to staffing shortages, production slowdowns or
        stoppages and disruptions in delivery systems, which may impair our
        ability to sell our products and consumables;

• limitations on our business operations by the local, state, or federal


        government that could impact our ability to sell or deliver our
        instruments and consumables;

• delays in customers' purchasing decisions and negotiations with customers

and potential customers;

• business disruptions caused by workplace, laboratory and office closures


        and an increased reliance on employees working from home, travel
        limitations, cyber security and data accessibility limits, or
        communication or mass transit disruptions; and

• limitations on employee resources that would otherwise be focused on the

conduct of our activities, including because of sickness of employees or


        their families or the desire of employees to avoid contact with large
        groups of people.


Three vaccines for COVID-19 have been authorized for emergency use by the FDA as
of September 2021. There can be no assurance that demand for our COVID-19
testing will continue to exist in the future due to successful containment
efforts, the successful vaccination of a majority of Americans, or due to other
events.

Enterprise Resource Planning

During the nine month period ending September 30, 2021, we implemented a new
enterprise resource planning (ERP) system to provide better information and to
support our commercial scale-up.

Components of our results of operations

Grant revenue



To date, all of our revenue has been derived from government grants, which
includes an April 2018 subaward grant from Boston University as part of the
CARB-X program, a May 2018 grant from the NIH to support our advancement of a
Diagnostics via Rapid Enrichment, Identification, and Phenotypic Antibiotic
Susceptibility Testing of Pathogens from Blood project (NIH grant), a July 2020
subaward grant from the University of Massachusetts Medical School for Phase 1
of the NIH's Rapid Acceleration of Diagnostics - Advanced Technology Platforms
(RADx) initiative and a contract from the NIH directly for Phase 2 of the RADx
initiative.

In October 2021, we and the NIH agreed to a further amended contract for the
completion of the RADx initiative. The amendment further extended the contract
to January 30, 2022 and decreased the potential payment for the remaining
milestone from $4.0 million to $2.0 million. The remaining $2.0 million
available under the amended RADx contract is contingent upon us meeting our
agreed-upon contractual milestone.

Under the NIH grant, there is the possibility of an additional $1.9 million in payments through April 2023.


                                       22

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In October 2021, we chose not to pursue additional option periods under the CARB-X grant. Therefore, there is no additional funding available under this grant.



These grants are not in the scope of the contracts with customers accounting
guidance as the government entities and/or government-sponsored entities are not
customers under the agreements.

Grant funds received from third parties are recorded as revenue if we are deemed
to be the principal participant in the arrangement. If we are not the principal
participant, the funds from grants are recorded as a reduction to research and
development expense. Reimbursable costs paid prior to being billed are recorded
as unbilled grant receivables. Funds received in advance are recorded as
deferred grant revenue. Our management has determined that we are the principal
participant under our grant agreements, and accordingly, we record amounts
earned under these arrangements as grant revenue.

Operating expenses

Research and development expenses



Research and development expenses consist primarily of internal and external
costs incurred for our research activities, the development of our platform,
investment in manufacturing capabilities as well as costs incurred pursuant to
our government grants and include:

• salaries, benefits and other related costs, including stock-based

compensation expense, for personnel engaged in research and development

functions;

• the cost of laboratory supplies and developing and manufacturing of our

platform;

• contract services, other outside costs and costs to develop our technology

capabilities;

• facility-related expenses, which include direct depreciation costs and


        allocated expenses for rent and maintenance of facilities and other
        operating costs;

• cost of outside consultants, including their fees and related travel


        expenses, engaged in research and development functions;


  • expenses related to regulatory affairs; and


  • fees related to our scientific advisory board.


We expense research and development costs as incurred. Costs for external
development activities are recognized based on an evaluation of the progress to
completion of specific tasks using information provided to us by our vendors.
Payments for these activities are based on the terms of the individual
agreements, which may differ from the pattern of costs incurred, and are
reflected in our financial statements as prepaid or accrued research and
development expenses. Nonrefundable advance payments for goods or services to be
received in the future for use in research and development activities are
recorded as prepaid expenses and expensed as the related goods are delivered or
the services are performed.

Until future commercialization is considered probable and the future economic
benefit is expected to be realized, we do not capitalize pre-launch inventory
costs prior to completion of marketing authorization unless the regulatory
review process has progressed to a point that objective and persuasive evidence
of regulatory approval is sufficiently probable, and future economic benefit can
be asserted. We record such costs to research and development costs, or if used
in marketing evaluations reported to selling, general and administrative
expense. A number of factors are taken into consideration, based on management's
judgment, including the current status in the regulatory approval process,
potential impediments to the approval process, anticipated research and
development (R&D) initiatives and risk of technical feasibility, viability of
commercialization and marketplace trends.

Prior to receiving an EUA, costs of property and equipment related to scaling up
our manufacturing capacity for commercial launch were recorded to research and
development expense when the asset does not have an alternative future use.
After receipt of marketing authorization, we anticipate that we will begin to
capitalize inventory costs, as well as property and equipment expenditures,
associated with regulatory approved products.

Research and development activities are central to our business model. We expect
that our research and development expenses will continue to increase for the
foreseeable future as we continue the research and development of our platform
and assays for other infectious diseases and disease states, initiate clinical
trials for future tests, further develop and refine the manufacturing processes
for our platform, and continue commercialization efforts. There are numerous
factors associated with the successful commercialization of any assay we may
develop in the future for other diseases or disease states, including future
trial design and various regulatory requirements, many of which cannot be
determined with accuracy at this time based on our stage of development.

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Selling, general and administrative expenses



Selling, general and administrative expenses consist primarily of salaries and
other related costs, including stock-based compensation, for personnel in our
executive, finance, sales, product management, corporate and business
development and administrative functions. Beginning in the first quarter of
2021, we started to incur selling related expenses as part of planning for a
commercial launch of our products. Selling, general and administrative expenses
also include professional fees for legal, patent, accounting, information
technology, auditing, tax and consulting services, travel expenses and
facility-related expenses, which include direct depreciation costs and allocated
expenses for rent and maintenance of facilities and other operating costs.

We expect that our selling, general and administrative expenses will increase in
the future as we increase our headcount to support our continued research and
development, commercialization and sales of our platform. We also expect to
incur increased expenses associated with being a public company, including costs
of accounting, audit, legal, regulatory and tax compliance services, director
and officer insurance costs, and investor and public relations costs.

Other income (expense)



Other income (expense), net consists primarily of interest income on cash
deposits held at financial institutions, gains and losses on holdings invested
in money market funds, and unrealized and realized foreign exchange gains and
losses.

Results of operations

Comparison for the three months ended September 30, 2021 and 2020

The following table summarizes our results of operations:



                                        Three Months Ended
                                           September 30,
(in thousands)                          2021          2020         Change
Grant revenue                         $     218     $   9,486     $  (9,268 )
Operating expenses:
Research and development                 25,841        36,011       (10,170 )
Selling, general and administrative      12,792         3,058         9,734
Total operating expenses                 38,633        39,069          (436 )
Loss from operations                    (38,415 )     (29,583 )      (8,832 )
Other income/(expense), net                  (3 )          69           (72 )

Net loss and comprehensive loss $ (38,418 ) $ (29,514 ) $ (8,904 )




Grant revenue

Our revenue for the three months ended September 30, 2021 and 2020 relates to
the CARB-X and NIH grants and the RADx initiative. During the three months ended
September 30, 2021, $0.2 million of revenue was recognized related to our NIH
grant. During the three months ended September 30, 2020, $0.3 million, $0.3
million, and $8.9 million of revenue was recognized related the CARB-X and NIH
grants, and RADx initiative, respectively.

Research and development expenses



Substantially all of our research and development expenses incurred for the
three months ended September 30, 2021 and 2020 were related to the manufacturing
scale-up for, and development of our first potential commercial product
utilizing the Talis One system, a rapid, point-of-care molecular diagnostic test
to detect COVID-19 directly from a patient sample.

Research and development expenses were $25.8 million for the three months ended
September 30, 2021, compared to $36.0 million for the three months ended
September 30, 2020, a decrease of $10.2 million. The decrease was primarily due
to decreases of $15.7 million related to the automation of consumable
manufacturing and a decrease of $7.2 million related to instrument component
costs as the Company comes near the completion of the scale up project. These
decreases were offset by increases of $10.5 million related to Talis One
cartridge materials, $1.2 million increase in professional and personnel related
expenses, including increased consulting expenses and stock compensation
expenses, and an increase of $1.0 million relating to an increase in facilities
and IT costs.

The ramp up of our manufacturing efforts, which began in the middle of 2020, is
expected to be completed by the end of 2021. As of September 30, 2021, we have
incurred approximately $109.0 million related to such manufacturing scale-up and
related costs to date, of which $95.9 million has been incurred related to high
capacity production equipment and $13.1 million has been incurred related to our
cartridge expenses. During the three months ended September 30, 2021, the
Company incurred $12.0 million of these costs. We

                                       24

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expect to incur approximately $6.7 million of additional costs in the near term.
We received EUA for the Talis One COVID-19 Test System in November 2021. See
"Liquidity and capital resources - Future funding requirements" below for
additional information.

Selling, general and administrative expenses



Selling, general and administrative expenses were $12.8 million for the three
months ended September 30, 2021, compared to $3.1 million for the three months
ended September 30, 2020, an increase of $9.7 million. The increase was
primarily due to increased personnel related expenses of $8.0 million, including
salaries and benefits, stock-based compensation expenses, and an increase of
$1.7 million related to increased expenses for outside services, and facilities
costs.

Comparison for the nine months ended September 30, 2021 and 2020

The following table summarizes our results of operations:





                                         Nine Months Ended
                                           September 30,
(in thousands)                           2021          2020          Change
Grant revenue                         $    7,335     $  10,705     $   (3,370 )
Operating expenses:
Research and development                 140,529        49,909         90,620
Selling, general and administrative       30,102         7,798         22,304
Total operating expenses                 170,631        57,707        112,924
Loss from operations                    (163,296 )     (47,002 )     (116,294 )
Other income/(expense), net                  (86 )          68          

(154 ) Net loss and comprehensive loss $ (163,382 ) $ (46,934 ) $ (116,448 )






Grant revenue

Our revenue for the nine months ended September 30, 2021 and 2020 relates to the
CARB-X and NIH grants and the RADx initiative. During the nine months ended
September 30, 2021, $7.0 million of revenue was recognized related to the
completion of Stage 2 and Stage 3 milestones as part of the RADx initiative and
$0.3 million of revenue was recorded related to our NIH grant. During the nine
months ended September 30, 2020, $0.6 million, $0.9 million, and $9.3 million of
revenue was recognized related to the CARB-X and NIH grants, and the RADx
initiative, respectively.

Research and development expenses



Substantially all of our research and development expenses incurred for the nine
months ended September 30, 2021 were related to the manufacturing scale-up for,
and development of our first potential commercial product utilizing the Talis
One system, a rapid, point-of-care molecular diagnostic test to detect COVID-19
directly from a patient sample.

Research and development expenses were $140.8 million for the nine months ended
September 30, 2021, compared to $49.9 million for the nine months ended
September 30, 2020, an increase of $90.6 million. The increase was primarily due
to increases of $35.4 million related to the automation of consumable
manufacturing, an increase of $24.5 million relating to Talis One cartridge
materials for the COVID-19 assay, and an increase of $17.7 million in instrument
component costs. Additionally, the increase was due to an increase of $12.1
million related to professional and personnel related expenses, including
increased outside services and consulting expenses and stock compensation
expenses and an increases of $0.9 million relating to an increase in facilities
and IT costs.

During the nine months ended September 30, 2021 we have incurred $68.2 million in expenses related to our manufacturing scale-up activities.

Selling, general and administrative expenses



Selling, general and administrative expenses were $30.1 million for the nine
months ended September 30, 2021, compared to $7.8 million for the nine months
ended September 30, 2020, an increase of $22.3 million. The increase was
primarily due to increased personnel related expenses of $17.9 million,
including salaries and wages, stock-based compensation expenses and personnel
related expenses as we have increased headcount, consulting and recruiting
expenses in these departments, and an increase of $4.4 million related to
increased expenses for outside services and facilities costs.

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Liquidity and capital resources

Sources of liquidity



On February 12, 2021, we completed our IPO, pursuant to which we issued and sold
13,800,000 shares of our common stock and an additional 2,070,000 shares
pursuant to the exercise in full by the underwriters of their option to purchase
additional shares of our common stock, at a public offering price of $16.00 per
share. The net proceeds from the IPO were $232.5 million after deducting
underwriting discounts and commissions and other offering expenses.

We believe our cash balance as of September 30, 2021 is sufficient for our
operations for at least the next 12 months from the date our condensed financial
statements are issued based on our existing business plan and our ability to
control the timing of significant expense commitments.

Future funding requirements



We do not have any commercial-scale manufacturing facilities and expect to rely
on third parties to manufacture the Talis One system and related cartridges. We
have entered into, and expect to enter into additional, agreements with contract
manufacturers to support our manufacturing scale-up. We will also need to engage
third-party logistics providers to manage the movement of materials between
suppliers and contract manufacturers and for finished goods warehousing. We also
intend to invest in additional manufacturing capacity to meet market demand for
the Talis One system. The ramp up of these manufacturing efforts, which began in
the middle of 2020, increased our research and development expenses as we sought
regulatory approval of the Talis One system.

In November 2021, we received regulatory approval for our first product,
however, we have never generated any revenue from contracts with customers. We
do not expect to generate any meaningful revenue until we commercialize our
Talis One system. Until we can generate a sufficient amount of revenue from the
commercialization of Talis One system, if ever, we expect to finance our future
cash needs through public or private equity offerings or debt financings.

To date, our primary uses of cash have been to fund operating expenses,
primarily research and development expenditures. Cash used to fund operating
expenses is impacted by the timing of when we pay these expenses, as reflected
in the change in our outstanding accounts payable and accrued expenses. We
currently have no other ongoing material financing commitments, such as other
lines of credit or guarantees. We have recently increased our spending on
automated cartridge manufacturing scale-up and instrument manufacturing, and
expect expenses related to manufacturing to increase significantly as we prepare
for a commercial launch. We expect our expenses to increase in connection with
our ongoing activities, particularly as we continue the research and development
of, continue or initiate clinical trials of, and seek marketing approval for,
our Talis One system. In addition, we expect to incur significant
commercialization expenses related to program sales, marketing, manufacturing
and distribution to the extent that such sales, marketing and distribution are
not the responsibility of any future collaborators. We expect to incur
additional costs associated with operating as a public company. Accordingly, we
may choose to obtain additional funding in connection with our continuing
operations. If we are unable to raise capital when needed or on attractive
terms, we would be forced to delay, reduce or eliminate our research and
development programs or future commercialization efforts.

Since our inception, we have incurred significant losses and negative cash flows
from operations. We have an accumulated deficit of $336.3 million through
September 30, 2021. We expect to incur substantial additional losses in the
future as we conduct and expand our research and development, manufacturing and
commercialization activities. Based on our planned operations, we expect that
our unrestricted cash of $273.6 million as of September 30, 2021, will be
sufficient to fund our operations for at least 12 months after these financial
statements are issued. However, we may need to raise additional capital through
equity or debt financing, or potential additional collaboration proceeds prior
to achieving commercialization of our products. Our ability to continue as a
going concern is dependent upon our ability to successfully secure sources of
financing and ultimately achieve profitable operations.

We have based our projections of operating capital requirements on assumptions
that may prove to be incorrect and we may use all our available capital
resources sooner than we expect. Because of the numerous risks and uncertainties
associated with research, development and commercialization of the Talis One
system, we are unable to estimate the exact amount of our operating capital
requirements. Our future capital requirements will depend on many factors,
including:

• our ability to receive, and the timing of receipt of, regulatory approvals

for futures tests;

• the effectiveness and availability of the three vaccines in the U.S. that

were authorized as of September 2021;

• the amount of capital, and related timing of payments, required to build


        sufficient inventory of our Talis One system and test cartridges in
        advance of and during commercial launch;

• the costs and timing of future commercialization activities, including


        manufacturing, marketing, sales and distribution, for our platform if we
        receive marketing approval;


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• limitations of, or interruptions in, the quality or quantity of materials

from our third party suppliers;

• our ability to implement an effective manufacturing, marketing and

commercialization operation;

• the scope, progress, results and costs of our ongoing and planned operations;




  • the costs associated with expanding our operations;

• the number and development requirements of assays for other diseases or

disease states that we may pursue;

• intervention, interruptions or recalls by government or regulatory agencies;

• enhancements and disruptive advances in the diagnostic testing industry;

• our estimates and forecasts of the market size addressable by our Talis


        One system;


    •   security breaches, data losses or other disruptions affecting our
        information systems;


    •   the regulatory and political landscape upon the launch of our
        commercialization of the Talis One system;

• the revenue, if any, received from commercial sales of our products if

approved, including additional working capital requirements if we pursue a


        reagent rental model for our Talis One instrument;


  • our ability to establish strategic collaborations; and


    •   the costs and timing of preparing, filing and prosecuting patent

applications, maintaining and enforcing our intellectual property rights

and defending any intellectual property-related claims.

Cash flows



The following table summarizes our cash flows for each of the periods presented:



                                                                 Nine Months Ended September 30,
                                                                   2021                   2020
                                                                         (in thousands)
Cash used in operating activities                            $        (130,643 )     $       (50,333 )
Cash used in investing activities                                       (1,879 )              (5,795 )
Cash provided by financing activities                                  233,759               124,580

Net increase in cash, cash equivalents and restricted cash $ 101,237 $ 68,452






Operating activities

During the nine months ended September 30, 2021, cash used in operating
activities was $130.6 million, resulting primarily from our net loss of $163.4
million and increase in other long-term assets of $1.0 million partially offset
by an increase in our accrued expenses and accounts payable of $14.8 million, a
decrease in our prepaid expenses of $11.4 million, and non-cash items of $7.6
million, made up of stock-based compensation of $6.0 million, amortization of
our right-of-use assets on operating leases of $1.0 million, and depreciation
expense of $0.6 million. The increase in our accrued expenses and accounts
payable of $14.8 million was primarily associated with our manufacturing
scale-up project. We have continued spending on cartridge
manufacturing scale-up and instrument manufacturing as we prepare for commercial
launch.

During the nine months ended September 30, 2020, cash used in operating
activities was $50.3 million, resulting primarily from our net loss of $46.9
million, an increase of $14.1 million in prepaid expenses and prepaid research
and development, and a decrease of $0.6 million in lease liabilities, partially
offset by an increase of $6.7 million in accounts payable and accrued expenses
and other current liabilities, and non-cash items of $3.1 million, made up of
stock-based compensation of $2.1 million, depreciation expense of $0.6 million,
amortization of our right-of-use assets on operating liabilities of $0.4
million, and a decrease in unbilled receivables of $1.5 million.

Investing activities

During the nine months ended September 30, 2021 and 2020, we used $1.9 million and $5.8 million of cash, respectively, for investing activities related to purchases of property and equipment.


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Financing activities



During the nine months ended September 30, 2021, net cash provided by financing
activities was $233.8 million, primarily consisting of $232.6 million of
proceeds from the issuance of common stock in our initial public offering, $0.8
million in proceeds from stock option exercises, and $0.4 million in proceeds
from common stock issued pursuant to the Company's employee stock purchase plan.

During the nine months ended September 30, 2020, net cash provided by financing
activities was $124.6 million, primarily consisting of $24.9 million of net
proceeds from the second tranche payment of the 2019 issuance of Series C-1
convertible preferred stock, Series D-1 convertible preferred stock, and Series
D-2 convertible preferred stock and $99.7 million of net proceeds from the
issuance of Series E-1 convertible preferred stock and Series E-2 convertible
preferred stock.

Contractual obligations and commitments



The following table summarizes our non-cancellable contractual obligations at
September 30, 2021, and the effects that such obligations are expected to have
on our liquidity and cash flows in future periods:



                                           Payments due by period
                                                  Less than      1 to 3
(in thousands)                       Total         1 year         years
Operating leases(1)                 $  6,171     $     1,148     $ 5,023
Purchase commitments(2)               60,180          60,180           -
Manufacturing production lines(3)      6,710           6,710           -
Total                               $ 73,061     $    68,038     $ 5,023

(1) Represents minimum contractual lease payments on our real estate leases in

Menlo Park, California and Chicago, Illinois. During the first quarter of

2021, we entered into a lease laboratory and office space in Redwood City,

CA. Because the lease has not commenced, we have excluded the commitment from

the above analysis as of September 30, 2021. The Redwood City, CA lease will

extend for an initial term of 10.5 years with a minimum commitment of

approximately $2.6 million annually with fixed escalations of 3.0% per annum.

(2) Represents firm purchase commitments in the normal course of business of $2.1

million and $58.1 million of Talis One instruments and Talis One cartridges,

respectively.

(3) Represents firm commitments relating to the scale-up of manufacturing

capacity for Talis One cartridges, primarily attributed to investments in

production lines.




Apart from the contracts with payment commitments that we have reflected in the
table, we have entered into other contracts in the normal course of business
with certain contract manufacturing organizations and other third parties for
manufacturing services. Payments due upon cancellation consist only of payments
for services provided and expenses incurred, including non-cancelable
obligations of our service providers, up to the date of cancellation.

Critical accounting policies and significant judgments and estimates



This discussion and analysis of financial condition and results of operation is
based on our unaudited condensed financial statements, which have been prepared
in accordance with accounting principles generally accepted in the United
States. The preparation of financial statements requires management to make
estimates and judgments that affect the reported amounts of assets and
liabilities and disclosures of contingent assets and liabilities as of the date
of the financial statements and the reported amounts of expenses during the
reporting period. On an ongoing basis, management evaluates its estimates and
assumptions.

Our critical accounting policies and estimates are discussed in our Annual Report. There have been no material changes to our critical accounting policies and estimates during the nine months ended September 30, 2021.

Recently issued accounting pronouncements



A description of recently issued accounting pronouncements that may potentially
impact our financial position and results of operations is disclosed in Note 2
to our unaudited condensed financial statements included within Part I, Item 1
of this Quarterly Report.

Emerging growth company status



In April 2012, the JOBS Act was enacted. Section 107 of the JOBS Act provides
that an emerging growth company may take advantage of the extended transition
period provided in Section 7(a)(2)(B) of the Securities Act for complying with
new or revised

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accounting standards. Therefore, an emerging growth company can delay the
adoption of certain accounting standards until those standards would otherwise
apply to private companies. We have irrevocably elected to avail ourselves of
this extended transition period and, as a result, we may adopt new or revised
accounting standards on the relevant dates on which adoption of such standards
is required for non-public companies instead of the dates required for other
public companies.

We may take advantage of these exemptions for up to the last day of the fiscal
year ending after the fifth anniversary of our initial public offering or such
earlier time that we are no longer an emerging growth company. We would cease to
be an emerging growth company on the date that is the earliest of (1) the last
day of the fiscal year in which we have total annual gross revenues of $1.07
billion or more; (2) the last day of our fiscal year following the fifth
anniversary of the date of our initial public offering; (3) the date on which we
have issued more than $1.0 billion in nonconvertible debt during the previous
three years; or (4) the date on which we are deemed to be a large accelerated
filer under the rules of the SEC.

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