You should read the following management's discussion and analysis of our
financial condition and results of operations in conjunction with our unaudited
condensed financial statements and notes thereto included in Part I, Item 1 of
this Quarterly Report on Form 10-Q and with our audited financial statements and
notes thereto for the year ended December 31, 2019, included in our Annual
Report on Form 10-K for the year ended December 31, 2019, filed with the U.S.
Securities and Exchange Commission (SEC) on February 26, 2020 (the "Annual
Report").

Forward-Looking Statements



This discussion contains certain forward-looking statements within the meaning
of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the
Securities Exchange Act of 1934, as amended. Forward-looking statements are
identified by words such as "believe," "will," "may," "estimate," "continue,"
"anticipate," "intend," "should," "plan," "expect," "predict," "could,"
"potentially" or the negative of these terms or similar expressions. You should
read these statements carefully because they discuss future expectations,
contain projections of future results of operations or financial condition, or
state other "forward-looking" information. These statements relate to our future
plans, objectives, expectations, intentions and financial performance and the
assumptions that underlie these statements. These forward-looking statements are
subject to certain risks and uncertainties that could cause actual results to
differ materially from those anticipated in the forward-looking statements.
Factors that might cause such a difference include, but are not limited to,
those discussed in this report in Part II, Item 1A -"Risk Factors," and
elsewhere in this Quarterly Report on Form 10-Q. Forward-looking statements are
based on our management's beliefs and assumptions and on information currently
available to our management. These statements, like all statements in this
report, speak only as of their date, and we undertake no obligation to update or
revise these statements in light of future developments. We caution investors
that our business and financial performance are subject to substantial risks and
uncertainties.

Overview

We are a clinical stage biopharmaceutical company focused on addressing the
large and growing unmet need caused by transthyretin, or TTR, amyloidosis, or
ATTR. We are advancing our product candidate, acoramidis (formerly AG10), to
treat ATTR, a progressive and fatal family of diseases. We are currently
investigating acoramidis in Phase 3 clinical trials in patients with ATTR
cardiomyopathy (ATTR-CM) and patients with ATTR polyneuropathy (ATTR-PN) and
expect to provide top-line data from Part A of the Phase 3 clinical trial in
ATTR-CM in late 2021 or early 2022.

Our financial information includes allocations of expenses attributable to
certain corporate functions that were provided to us by BridgeBio and its
affiliates and services we provide to BridgeBio and its affiliates, including
expenses attributable to certain executive personnel, facility-related costs,
advisory services, insurance costs and other general corporate expenses. These
allocations were made based on direct usage or estimates which are considered to
be reasonable by our management and in accordance with our services agreement
with BridgeBio.

Since the commencement of our operations, we have devoted substantially all of
our resources to research and development activities in support of our product
development efforts, hiring personnel, raising capital to support and expand
such activities and general and administrative support for these operations. We
have funded our operations to date primarily from the issuance and sale of
shares of common stock, redeemable convertible preferred stock, notes
convertible into shares of redeemable convertible preferred stock and licensing
arrangements.

In April 2016, we entered into a license agreement with the Board of Trustees of
the Leland Stanford Junior University, or Stanford, for rights relating to novel
TTR aggregation inhibitors. Under the license agreement, Stanford has granted us
an exclusive worldwide license to make, use and sell products that are covered
by the licensed patent rights.

In October 2018, the U.S. Food and Drug Administration, or FDA, granted orphan
drug designation in the United States to acoramidis for the treatment of ATTR,
and the Committee for Orphan Medicinal Products of the European Medicines
Agency, or EMA, adopted a positive opinion for the designation of acoramidis as
an orphan medicinal product in the European Union, or EU, for the treatment
of ATTR. The EMA also granted a product-specific pediatric investigational plan
waiver to us for acoramidis.

We have incurred net losses of $37.8 million during the year ended December 31,
2019 and $30.2 and $81.8 million during the three and nine months ended
September 30, 2020, respectively, and we expect to continue to incur significant
losses for the foreseeable future. As of September 30, 2020, we had an
accumulated deficit of $185.0 million. We expect these losses to increase as we
continue our development of, and seek regulatory approvals for our product
candidate, acoramidis, begin to commercialize acoramidis, if approved, and
engage in any other research and development activities. Our net losses may
fluctuate significantly from quarter-to-quarter and year-to-year, depending on
the timing of our clinical trials and our expenditures on other research and
development activities.

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On August 2, 2019, we filed a Registration Statement on Form S-3, as amended
(the "2019 Shelf") with the SEC in relation to the registration of common stock,
preferred stock, debt securities, warrants and units of any combination thereof.
We also simultaneously entered into an Open Market Sale Agreement ("2019 Sales
Agreement") with Jefferies LLC and SVB Leerink LLC (together, the "Sales
Agents"), to provide for our offering, issuance and sale of up to an aggregate
offering price of $100.0 million of our common stock from time to time in
"at-the-market" offerings under the 2019 Shelf and subject to the limitations
thereof. We will pay to the Sales Agents cash commissions of up to 3.0 percent
of the gross proceeds of sales of common stock under the 2019 Sales Agreement.
We issued 834,368 shares of common stock and received $48.1 million in net
proceeds under the 2019 Sales Agreement through September 30, 2020.

In September 2019, we entered into a license agreement (the "License Agreement")
with Alexion Pharma International Operations Unlimited Company, a subsidiary of
Alexion Pharmaceuticals, Inc. (together, "Alexion") to develop and commercialize
the Company's product candidate, acoramidis, in Japan. Additionally, in
September 2019, we entered into a Stock Purchase Agreement (the "Stock Purchase
Agreement") with Alexion, pursuant to which we sold to Alexion 556,173 shares of
our common stock, for aggregate cash proceeds of $25.0 million. Under the terms
of the License Agreement, we granted Alexion an exclusive license to certain of
our intellectual property rights to develop, manufacture and commercialize
acoramidis in Japan. In consideration for the license grant, we were entitled to
receive an upfront payment of $25 million, with the potential for an additional
one-time payment of $30.0 million subject to the achievement of a regulatory
milestone. In addition, we are entitled to receive royalties in the low-teens on
net sales by Alexion of acoramidis in Japan. The royalty rate is subject to
reduction if Alexion is required to obtain intellectual property rights from
third parties to develop, manufacture or commercialize acoramidis in Japan, or
upon the introduction of generic competition into the market.

In November 2019, we entered into a Loan and Security Agreement with Silicon
Valley Bank and Hercules Capital, Inc. ("SVB and Hercules Loan Agreement"). The
SVB and Hercules Loan Agreement provides for up to $55.0 million in term loans
to be drawn in three tranches as follows: (i) Tranche A loan of $17.5 million,
(ii) Tranche B loan of up to $22.5 million which is available to be drawn until
October 31, 2020, and (iii) Tranche C loan of up to $15.0 million available to
be drawn upon a clinical trial milestone. The Tranche C loan is available to be
drawn until September 30, 2021. The Tranche A loan of $17.5 million was drawn on
November 13, 2019 and there have not been any additional draws on the other
tranches as of September 30, 2020. The Tranche A loan bears interest at a fixed
rate equal to 8.50% per annum that is due and payable monthly.

As of September 30, 2020, we had $147.3 million in cash and cash equivalents.



On October 5, 2020, we entered into the Merger Agreement, with BridgeBio, Merger
Sub, and Merger Sub II, providing for (i) the merger of Merger Sub with and into
our company, with Eidos surviving the Initial Merger, and (ii) thereafter, the
merger of Eidos with and into Merger Sub II, with Merger Sub II surviving as an
indirect wholly owned subsidiary of BridgeBio.

Under the terms and subject to the conditions set forth in the Merger Agreement,
at the effective time of the Initial Merger, each share of our common stock
issued and outstanding immediately prior to the Effective Time (other than
shares of our common stock (i) owned by us as treasury stock, (ii) owned by us,
BridgeBio, Merger Sub, Merger Sub II or any other direct or indirect wholly
owned subsidiary of BridgeBio and, in each case, not held on behalf of third
parties and (iii) shares of our common stock that are subject to restricted
stock awards will be converted into the right to receive, at the election of
each stockholder of Eidos, (A) 1.85 shares of BridgeBio's common stock
("BridgeBio Common Stock") or (B) $73.26 in cash, subject to proration as
necessary to ensure that the aggregate amount of cash consideration payable to
stockholders is no greater than $175 million.

The Mergers are conditioned on: (i) the approval of the majority of outstanding
shares of our common stock; (ii) approval by a majority of the shares of our
common stock held by stockholders other than (A) BridgeBio and any person or
entity controlling, controlled by or under common control with BridgeBio (any
such person, an "Affiliate") (including Merger Sub and Merger Sub II), (B) any
of BridgeBio's directors or officers or BridgeBio's Affiliates' directors or
officers (including Merger Sub and Merger Sub II) and (C) any of our directors
or officers (other than members of the special committee of our independent
directors that was formed in connection with the Mergers (the "Special
Committee")); (iii) approval by at least 66-2/3% of our aggregate voting stock
(as defined in Section 203 of the Delaware General Corporation Law (the "DGCL"))
that is not owned (as defined in Section 203 of the DGCL) by BridgeBio, Merger
Sub, Merger Sub II or any of their respective affiliates or associates (as such
terms are defined in Section 203 of the DGCL) (the "Company Stockholder
Approvals"); (iv) approval of the issuance of BridgeBio's common stock in
connection with the Mergers by at least a majority of the votes cast by the
holders of shares of BridgeBio's common stock voting on the matter; and (v)
other

                                       23

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customary closing conditions. The Mergers are expected to be completed in the
first quarter of 2021, subject to the satisfaction or waiver of such closing
conditions.

The Merger Agreement includes customary representations, warranties and covenants, including, but not limited to, covenants by us and BridgeBio to conduct our businesses in the ordinary course during the period between the execution of the Merger Agreement and consummation of the Mergers and to refrain from taking certain actions specified in the Merger Agreement.



The Merger Agreement may be terminated, among other circumstances, (i) by either
party if the Mergers are not consummated by June 4, 2021, (ii) by us if
BridgeBio's board of directors changes its recommendation with respect to the
issuance of shares of BridgeBio common stock in connection with the Mergers or
(iii) by BridgeBio if our board of directors or the Special Committee changes
its recommendation with respect to the Mergers. The Merger Agreement further
provides that upon termination of the Merger Agreement under certain
circumstances, we must pay BridgeBio a termination fee of $35 million, and upon
termination of the Merger Agreement under certain circumstances, BridgeBio must
pay us a termination fee of $100 million.

In connection with the execution of the Merger Agreement, we have also entered
into voting agreements (the "Voting Agreements") with members of BridgeBio's
board of directors and KKR Genetic Disorder L.P., collectively owning
approximately 36% of BridgeBio's outstanding common stock, pursuant to which
they agreed, among other things, to vote their shares in favor of the issuance
of BridgeBio's common stock in connection with the Mergers.

Upon the closing of the Mergers and subject to the terms of the Merger Agreement, we will become an indirect wholly-owned subsidiary of BridgeBio, and our common stock will cease to trade on the NASDAQ Global Select Market.



The foregoing descriptions of the Merger Agreement and the Voting Agreements do
not purport to be complete and are qualified in their entirety by reference to
the full text of the Merger Agreement, a form of the Voting Agreements entered
into by the BridgeBio directors party thereto and the Voting Agreement entered
into by KKR Genetic Disorder L.P., copies of which were filed as Exhibit 2.1,
Exhibit 2.2 and Exhibit 2.3, respectively, to our Form 8-K filed with the
Securities and Exchange Commission (the "SEC"), on October 7, 2020.

If the transactions contemplated by the Merger Agreement are not consummated
within the timeframe we currently anticipate, we will need to obtain additional
financing in the future and may seek financing through the issuance of our
common stock, through other equity or debt financings or through collaborations
or partnerships with other companies. The amount and timing of our future
funding requirements will depend on many factors, including our ability to
consummate the transactions contemplated by the Merger Agreement and the timing
thereof, the pace and results of our clinical development efforts for acoramidis
and other research and development activities. We may not be able to raise
additional capital on terms acceptable to us, or at all, and any failure to
raise capital as and when needed would compromise our ability to execute on our
business plan and we may have to significantly delay, scale back, or discontinue
the development of acoramidis or curtail any efforts to expand our product
pipeline. In addition, under the terms of the Merger Agreement, we may not,
without the written consent of BridgeBio, issue equity securities, incur
indebtedness in excess of certain limits or enter into material strategic
partnerships, in each case subject to certain exceptions, which makes it more
difficult to raise capital during the term of the Merger Agreement, if needed.
We cannot assure you that we will ever be profitable or generate positive cash
flow from operating activities.

We experienced impacts on certain aspects of our business, including delays in
activation of clinical sites and enrollment of patients in our clinical trials,
during the quarter ended September 30, 2020 due to the global outbreak of
SARS-CoV-2, the novel strain of coronavirus that causes Coronavirus disease 19
(COVID-19). The ultimate impacts of the COVID-19 pandemic on our business are
currently unknown. We will continue to actively monitor the situation and may
take further precautionary and preemptive actions as may be required by federal,
state or local authorities or that we determine are in the best interests of
public health and safety and that of our patient community, employees, partners,
suppliers and stockholders. We cannot predict the effects that such actions, or
the impact of the COVID-19 pandemic on global business operations and economic
conditions may have on our business or strategy, including the effects on our
ongoing and planned clinical development activities and prospects, or on our
financial and operating results.

Financial operations overview

Revenue



License revenue consists of consideration earned for performance obligations
satisfied pursuant to our License Agreement. We have not generated any revenue
from the sale of any drugs, and we do not expect to generate any revenue unless
or until we obtain regulatory approval of and commercialize our product
candidate. On September 9,

                                       24

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2019, we entered into a license agreement with Alexion. In consideration for the
license grant, we received an upfront nonrefundable payment of $25.0 million.
Additionally, on September 9, 2019, we entered into a Stock Purchase Agreement
with Alexion wherein we agreed to sell to Alexion 556,173 shares of the
Company's common stock, par value $0.001 per share, for aggregate cash proceeds
of approximately $25.0 million.

In connection with the license agreement, we finalized a clinical supply
agreement with Alexion on July 10, 2020. There are no additional performance
obligations to be accounted for as there is no minimum purchase requirement in
the clinical supply agreement. We billed Alexion $0.1 million in August 2020 and
recognized $0.1 million of revenue from the clinical supply agreement during the
three months ended September 30, 2020.

Cost of license revenue



Cost of license revenue includes sublicensing fees payable to Stanford in the
period incurred under the terms of the Stanford Agreement (see Note 9 to our
unaudited condensed financial statements included in this report) corresponding
to the recognition of license revenue from Alexion. Cost of license revenue does
not include any allocated overhead costs, or costs that are immaterial.

Research and development expense

Research and development expense consists primarily of costs incurred for the development of acoramidis, which include:

• employee-related expenses, including salaries, benefits and stock-based

compensation;

• laboratory, manufacturing and other vendor expenses related to the


         execution of preclinical studies and clinical trials;


      •  the costs related to the production of clinical supplies and the

         engagement of consultants and other third-party service providers that
         conduct research and development activities on our behalf;


  • fees paid under our license agreement with Stanford; and


• facilities and other allocated expenses, expenses for rent, depreciation

and amortization, maintenance of facilities and other supplies.




We expense all research and development costs in the periods in which they are
incurred. Costs for certain development activities are recognized based on an
evaluation of the progress to completion of specific tasks using information and
data provided to us by our vendors, collaborators and third-party service
providers. Nonrefundable payments made prior to the receipt of goods or services
that will be used or rendered for future research and development activities are
deferred and capitalized. The capitalized amounts are recognized as expense as
the goods are delivered or the related services are performed.

The following table summarizes our research and development expenses incurred during the respective periods (in thousands):





                                             Three Months Ended             Nine Months Ended
                                               September 30,                  September 30,
                                             2020          2019             2020          2019
Clinical development                      $   11,473     $   4,602       $   27,621     $  12,803
Contract manufacturing                         4,181         3,231           13,333        10,476
Preclinical, discovery and other
research and development
  costs                                          862         1,342            2,099         2,538
Compensation and related personnel
costs                                          5,748         2,599           14,133         6,785
Facility and other costs                         304           213              881           431
                                          $   22,568     $  11,987       $   58,067     $  33,033




We expect our research and development expenses to increase substantially for
the foreseeable future as we continue to conduct research and development
activities related to acoramidis and advance acoramidis into later stages of
clinical development, including our ongoing and planned Phase 3 clinical
development activities for acoramidis in ATTR-CM and ATTR-PN and any subsequent
preclinical or clinical development activities. The process of conducting the
necessary clinical research to obtain regulatory approval is costly and
time-consuming, and the successful development of acoramidis is highly
uncertain. In addition, we believe that delays in our ongoing and planned
clinical trials and

                                       25

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adjustments to certain of our study procedures, such as increased frequency of
home visits, as a result of the COVID-19 pandemic, could increase our
expenditures, although it is difficult to predict the full effects of the
COVID-19 pandemic on our research and development activities at this time. As a
result, we are unable to determine the duration and completion costs of our
research and development projects or when and to what extent we will generate
revenue from the commercialization of acoramidis, if at all.

General and administrative expense



Our general and administrative expenses consist primarily of personnel costs,
allocated facility costs and other expenses for outside professional services,
including legal, human resource, audit and accounting services. Personnel costs
consist of salaries, benefits and stock-based compensation. We expect to incur
additional expenses as a result of operating as a public company, including
expenses related to compliance with the rules and regulations of the Securities
and Exchange Commission, or SEC, and listing standards applicable to companies
listed on a national securities exchange, additional insurance expenses,
investor relations activities and other administrative and professional
services. We also expect to increase the size of our administrative function to
support the growth of our business.

Interest expense



Interest expense consists of cash and non-cash components. The cash component of
interest expense is attributable to borrowings under our loan agreements. Refer
to Note 5 Debt obligation, for further information on our loan agreements. The
non-cash component consists of interest expense recognized from the amortization
of debt discounts derived from the debt issuance costs capitalized on our
balance sheet.

Other income (expense), net

Other income (expense), net primarily includes interest income during the three and nine months ended September 30, 2020 and 2019.



Comparison of the three months and nine months ended September 30, 2020 and 2019



License revenue



                        Three Months                                            Nine Months Ended
                    Ended September 30,           Increase (Decrease)             September 30,             Increase (Decrease)
in thousands        2020           2019              $              %          2020           2019             $              %
License revenue   $    127       $  26,691           (26,564 )     100%      $    127       $ 26,691           (26,564 )     100%


The $0.1 million license revenue recognized for the quarter ended September 30,
2020 was related to the clinical supply agreement with Alexion. The license
revenue recognized in 2019 was entirely attributable to revenue related to the
Alexion License Agreement for which performance obligations were satisfied.



Cost of license revenue



                          Three Months                                                Nine Months Ended
                      Ended September 30,             Increase (Decrease)               September 30,                Increase (Decrease)
in thousands        2020             2019               $               %          2020             2019             $                 %
Cost of license
  revenue         $      -       $       2,500           (2,500 )      100%      $      -       $      2,500             -            100%




Cost of license revenue was $2.5 million for the quarter ended September 30,
2019, and there was no cost of license revenue for the quarter ended September
30, 2020. The cost of license revenue was related to the obligations under the
Stanford license agreement, whereby we are required to pay a portion of license
fees received.

                                       26

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Research and development expense





                                 Three Months                                                Nine Months Ended
                              Ended September 30,            Increase (Decrease)               September 30,               Increase (Decrease)
in thousands                  2020           2019              $                %            2020          2019              $                %
Research and development   $    22,568     $  11,987            10,581         88%        $   58,067     $  33,033            25,034         76%




Research and development expense increased by $10.6 million, or 88%, during the
three months ended September 30, 2020, compared to the three months ended
September 30, 2019. The increase was primarily attributable to an increase of
$7.2 million in clinical trial related activities and contract manufacturing
activities for our clinical trials and drug supply, an increase in personnel
costs of $2.4 million, and an increase in stock-based compensation costs of $1.0
million.



Research and development expense increased by $25.0 million, or 76%, during the
nine months ended September 30, 2020, compared to the nine months ended
September 30, 2019. The increase was primarily attributable to an increase of
$17.5 million in clinical trial related activities and contract manufacturing
activities for our clinical trials and drug supply, an increase in personnel
costs of $5.2 million, and an increase in stock-based compensation of $2.4
million.



General and administrative expense





                                    Three Months                                               Nine Months Ended
                                Ended September 30,             Increase (Decrease)              September 30,               Increase (Decrease)
in thousands                    2020            2019             $                %            2020          2019              $                %
General and administrative   $    6,962       $   5,953            1,009         17%        $   22,590     $  12,285            10,305         84%




General and administrative expense increased by $1.0 million, or 17%, during the
three months ended September 30, 2020, compared to the three months ended
September 30, 2019. The increase was primarily attributable to an increase of
$0.8 million due to the stock modification in connection with the acceleration
of equity awards held by former directors in connection with their resignation
from our board of directors in August 2020, an increase of marketing cost of
$0.4 million, an increase of $0.3 million due to an increase in costs for
director and officers insurance, an increase of $0.3 million for related party
expenses, and an increase of $0.2 million in personnel-related expenses due to
an increase in headcount to support the growth of our operations, offset by a
decrease of consulting costs of $1.0 million due to timing.



General and administrative expense increased by $10.3 million, or 84%, during
the nine months ended September 30, 2020, compared to the nine months ended
September 30, 2019. The increase was primarily attributable to an increase in
consulting fees of $3.4 million, an increase in marketing cost of $2.7 million,
an increase of $2.0 million for stock compensation expense, including $0.8
million due to the stock modification of former non-employee directors in
connection with their resignation from our board of directors in August 2020 as
described above, an increase of $0.8 million due to an increase in costs for
director and officers insurance, an increase of $0.8 million in
personnel-related expenses due to an increase in headcount to support the growth
of our operations, and an increase of $0.6 million for related party expenses.



Interest expense



                            Three Months                                                Nine Months Ended
                        Ended September 30,             Increase (Decrease)               September 30,                Increase (Decrease)
in thousands           2020                2019           $               %            2020             2019           $                 %
Interest expense   $        (766 )       $      -           (766 )      100%       $      (1,888 )    $      -             -            100%




Interest expense of $0.8 million and $1.9 million during the three months and
nine months ended September 30, 2020, respectively, was related to the
obligations under the SVB and Hercules Loan Agreement, whereby we are required
to pay interest for money received. This also reflects amortization of issuance
costs and debt discount, accretion of the end of term payment and change in the
derivative liability, which were not present during the three months and nine
months ended September 30, 2019.





                                       27

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Other income (expense), net



                                      Three Months                                               Nine Months Ended
                                   Ended September 30,             Increase (Decrease)             September 30,              Increase (Decrease)
in thousands                     2020               2019            $               %           2020            2019            $                %
Other income (expense), net   $       (7 )       $      680           (687 )      -101%       $     569       $  2,272           (1,703 )      -75%




Other income (expense), net was an expense of $7,000 during the three months
ended September 30, 2020, compared to an income of $0.7 million during the three
months ended September 30, 2019. The decrease in other income during the three
months ended September 30, 2020 reflected a decrease of interest income related
to our money market funds due to a decrease in interest rates.



Other income (expense), net was an income of $0.6 million during the nine months
ended September 30, 2020, compared to an income of $2.3 million during the nine
months ended September 30, 2019. The decrease in other income during the nine
months ended September 30, 2019 was attributable to a decrease in interest
income related to our money market funds due to a decrease in interest rates.

Critical accounting policies and estimates



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 United States generally accepted accounting principles, or U.S.
GAAP. 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 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.

Our significant accounting policies are fully described in Note 2 of our Annual
Report. There were no significant changes to our critical accounting policies
disclosed in our audited financial statements as of December 31, 2019. We
believe that the accounting policies discussed are critical to understanding our
historical and future performance, as these policies relate to the more
significant areas involving management's judgments and estimates.

Liquidity and Capital Resources

Liquidity and Capital Expenditures

Liquidity



As of September 30, 2020, we had $147.3 million of cash and cash equivalents and
an accumulated deficit of $185.0 million.  In September 2019, we received $50.0
million in aggregate cash proceeds from Alexion upon the execution of the
License Agreement and Stock Purchase Agreement. In November 2019, we entered
into the SVB and Hercules Loan Agreement and drew proceeds of $17.5 million in
debt financing.

On August 2, 2019, we filed a Registration Statement on Form S-3, as amended
(the "2019 Shelf") with the SEC in relation to the registration of common stock,
preferred stock, debt securities, warrants and units of any combination thereof.
We also simultaneously entered into an Open Market Sale Agreement ("2019 Sales
Agreement") with Jefferies LLC and SVB Leerink LLC (each a "Sales Agent" and
together, the "Sales Agents"), to provide for the offering, issuance and sale by
the Company of up to an aggregate offering price of $100.0 million of its common
stock from time to time in "at-the-market" offerings under the 2019 Shelf and
subject to the limitations thereof. We will pay to the Sales Agent cash
commissions of up to 3.0 percent of the gross proceeds of sales of common stock
under the 2019 Sales Agreement. We issued 834,368 shares of common stock and
received $48.1 million in net proceeds under the 2019 Sales Agreement through
September 30, 2020.

Our primary uses of cash are 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 believe, based on our current operating plan and expected expenditures
without giving effect to the transactions contemplated by the Merger Agreement
and assuming we remain a standalone entity, that our existing cash and cash
equivalents will be sufficient to meet our anticipated operating and capital
expenditure requirements for at least the next

                                       28

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12 months from the filing of this Quarterly Report on Form 10-Q. We have based
this estimate on assumptions that may prove to be wrong, and we could utilize
our available capital resources sooner than we currently expect. Our ultimate
success depends on the outcome of our research and development activities. We
expect to incur additional losses in the future and we anticipate the need to
raise additional capital to fully implement our business plan if the
transactions contemplated by the Merger Agreement are not completed within the
timeframe we currently expect. To the extent additional capital is required
prior to the completion of the transaction with BridgeBio or the termination of
the Merger Agreement, we are prohibited from issuing equity securities,
incurring indebtedness or entering into material partnerships with third
parties, in each case subject to certain exceptions, without the prior written
consent of BridgeBio.

We expect to incur increased general and administrative expenses at least
through 2020 in connection with the transactions contemplated under the Merger
Agreement and, depending on whether the transactions contemplated under the
Merger Agreement are consummated and the timing thereof, to further increase our
research and development activities as we conduct our Phase 3 clinical trials of
acoramidis in ATTR-CM and ATTR-PN. In particular, if the transactions
contemplated under the Merger Agreement are not completed within the timeframe
we currently expect, we expect continued spending on clinical trials, continued
manufacturing activities and higher payroll expenses as we increase our
professional and scientific staff to support later-stage clinical development of
acoramidis, and we will require additional financing to fund working capital and
pay our obligations. During the term of the Merger Agreement, we are restricted
from various activities, including the issuance of debt or equity to public or
private investors under certain circumstances. Accordingly, there can be no
assurance that we will be successful in acquiring additional funding at levels
sufficient to fund our operations or on terms favorable to us. Our future
funding requirements will depend on many factors, including the following:

• our ability to complete the transactions contemplated under the Merger

Agreement, whether the Merger Agreement is terminated, and the timing of

these events;

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

clinical trials and other research and development activities related to

acoramidis and any other product candidates we may identify and pursue,


         including the ability to enroll patients in a timely manner in our
         clinical trials;

• the costs of obtaining acoramidis in amounts sufficient for our ongoing

and planned clinical trials and, if approved, for commercialization;

• the cost, timing and outcomes of any regulatory approvals for acoramidis;




  • our ability to successfully commercialize acoramidis, if approved;

• the extent to which we may acquire or in-license other product candidates


         and technologies;


  • our ability to attract, hire and retain qualified personnel; and

• the cost of obtaining, maintaining, preparing, filing, prosecuting,

defending and enforcing any patent claims and other intellectual property


         rights related to acoramidis and any other product candidates we may
         identify and pursue.


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If we need to raise additional capital to fund our operations, funding may not
be available to us on acceptable terms, or at all. If we are unable to obtain
adequate financing when needed, we may have to delay, reduce the scope of or
suspend one or more of our preclinical studies, research and development
programs or commercialization efforts. We may seek to raise any necessary
additional capital through a combination of public or private equity offerings,
debt financings, collaborations, strategic alliances, licensing arrangements and
other marketing and distribution arrangements.

To the extent that we raise additional capital through collaborations, strategic
alliances or licensing arrangements with third parties, we may have to
relinquish valuable rights to our product candidates, future revenue streams,
research programs or product candidates or to grant licenses on terms that may
not be favorable to us. If we do raise additional capital through public or
private equity offerings, the ownership interest of our existing stockholders
will be diluted, and the terms of these securities may include liquidation or
other preferences that adversely affect our stockholders' rights. If we raise
additional capital through debt financing, we may be subject to covenants
limiting or restricting our ability to take specific actions, such as incurring
additional debt, making capital expenditures or declaring dividends.

Cash flows



The following table summarizes our cash flows for the periods indicated (in
thousands):



                                               Nine Months Ended
                                                 September 30,
                                              2020          2019

Net cash used in operating activities $ (68,567 ) $ (15,143 ) Net cash used in investing activities $ (350 ) $ (147 ) Net cash provided by financing activities $ 25,087 $ 23,965

Cash flows from operating activities



During the nine months ended September 30, 2020, cash used in operating
activities was $68.6 million and consisted primarily of a net loss of $81.8
million. Our non-cash charges of $9.1 million primarily consisted of stock-based
compensation expense. The change in our net operating assets of $4.2 million was
primarily due to an increase in accounts payable and accrued expenses of $5.4
million due to the timing of payments and the timing of activities for which
payments were made, offset by a decrease in prepaid expenses and other current
and non-current assets of $1.2 million.

During the nine months ended September 30, 2019, cash used in operating
activities was $15.1 million and consisted primarily of a net loss of $18.9
million. Our non-cash charges of $3.8 million primarily consisted of stock-based
compensation expense. The change in our net operating assets of ($0.1) million
was primarily due to a reduction of prepaid expenses and other current and
non-current assets of $4.9 million, due to the timing of payments and the timing
of activities for which payments were made offset by the increase in accounts
payable and accrued expenses of $4.7 million, as a result of an increase in
operating expenses and timing of payments.

Cash flows from investing activities



During the nine months ended September 30, 2020 and September 30, 2019, cash
used in investing activities was $0.4 million and $0.1 million; respectively,
which consisted of our purchase of property and equipment for our office and
employees.

Cash flows from financing activities



During the nine months ended September 30, 2020, cash provided by financing
activities was $25.1 million; which consisted of $24.1 million from proceeds
from the issuance of common stock under our at-the-market offering facility;
$1.0 million due to the receipt of funds from stock purchases under our employee
stock purchase plan and the exercise of common stock options.

During the nine months ended September 30, 2019, cash provided by financing
activities was $24.0 million; which consisted of $23.3 million related to the
issuance of common stock to Alexion and $0.7 million due to the receipt of funds
from our employee stock purchase plan and the exercise of common stock options

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Contractual Obligations and Other Commitments



There have been no material changes outside the ordinary course of our business
to our contractual obligations during the nine months ended September 30, 2020,
as compared to those disclosed in our Annual Report.

Off-Balance Sheet Arrangements



We do not have any off-balance sheet arrangements, as defined under SEC rules,
including the use of structured finance, special purpose entities or variable
interest entities.

Recent Accounting Pronouncements

For information on Recent Accounting Pronouncements refer to Note 2 of Notes to Unaudited Condensed Financial Statements.

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