The following discussion should be read in conjunction with the attached
financial statements and notes thereto included in Part I, Item 1 of this
Quarterly Report on Form 10-Q, as well as our audited financial statements and
related notes thereto and management's discussion and analysis of financial
condition and results of operations for the year ended December 31, 2021
included in our Annual Report on Form 10-K filed with the U.S. Securities and
Exchange Commission (the "SEC") on February 24, 2022 and with the securities
commissions in all provinces and territories of Canada on February 24, 2022.
This Quarterly Report on Form 10-Q, including the following sections, contains
forward-looking statements within the meaning of the U.S. Private Securities
Litigation Reform Act of 1995. These statements are subject to risks and
uncertainties that could cause actual results and events to differ materially
from those expressed or implied by such forward-looking statements. As a result
of many factors, including without limitation those set forth under "Risk
Factors" under Item 1A of Part II below, and elsewhere in this Quarterly Report
on Form 10-Q, our actual results may differ materially from those anticipated in
these forward-looking statements. We caution the reader not to place undue
reliance on these forward-looking statements, which reflect management's
analysis only as of the date of this Quarterly Report on Form 10-Q. We undertake
no obligation to update forward-looking statements which reflect events or
circumstances occurring after the date of this Quarterly Report on Form 10-Q,
except as required by law. Throughout this discussion, unless the context
specifies or implies otherwise, the terms "Zymeworks," "we," "us," and "our"
refer to Zymeworks Inc. and its subsidiaries.


Overview

Zymeworks is a clinical-stage biopharmaceutical company dedicated to the
development of next-generation multifunctional biotherapeutics. Our suite of
complementary therapeutic platforms and our fully integrated drug development
engine provide the flexibility and compatibility to precisely engineer and
develop highly differentiated product candidates. These capabilities have
resulted in multiple product candidates with the potential to drive positive
outcomes in large underserved and unaddressed patient populations.

Our lead product candidate, zanidatamab, is a novel bispecific antibody that
targets two distinct domains of the human epidermal growth factor receptor 2
("HER2"). Zanidatamab's unique binding properties result in multiple mechanisms
of action that may enable it to address unmet need in patient populations with
HER2-expressing cancers. In clinical trials, zanidatamab monotherapy and
zanidatamab in combination with chemotherapy have been well tolerated with
promising antitumor activity in patients with treatment-naive and heavily
pretreated HER2-expressing cancers, including individuals whose disease had
progressed on multiple prior treatment regimens that included HER2-targeted
agents. Based on these data, a number of global multicenter clinical trials have
been initiated to evaluate zanidatamab in specific indications and lines of
therapy. These include pivotal clinical trials in (i) previously treated HER2
gene amplified biliary tract cancer ("BTC") and (ii) first-line locally advanced
or metastatic HER2-positive gastroesophageal adenocarcinomas ("GEA") in
combination with chemotherapy with or without BeiGene, Ltd.'s ("BeiGene")
tislelizumab, as well as proof of concept trials in (iii) first-line locally
advanced or metastatic HER2-positive colorectal cancer ("CRC"), GEA, or BTC in
combination with standard of care chemotherapy, (iv) first-line locally advanced
or metastatic HER2-positive GEA in combination with tislelizumab and
chemotherapy, (v) first-line locally advanced or metastatic HER2-positive breast
cancer in combination with docetaxel, (vi) previously-treated locally advanced
or metastatic HER2-positive, hormone receptor-positive breast cancer in
combination with Pfizer's Ibrance (palbociclib) and fulvestrant, and (vii)
previously-treated locally advanced or metastatic HER2-expressing cancers
(including HER2-positive and HER2-low breast cancer) in combination with ALX
Oncology Inc.'s ("ALX Oncology") evorpacept (ALX148).

Our second product candidate, ZW49, combines the unique design of zanidatamab
with our ZymeLink antibody-drug conjugate ("ADC") platform, comprised of our
proprietary cytotoxin (cancer cell-killing compound) and cleavable linker. We
designed ZW49 to be a best-in-class HER2-targeting ADC to further address unmet
need across a range of HER2-expressing cancers. A Phase 1 clinical trial to
establish safety and antitumor activity of ZW49 is currently ongoing.

We are also advancing a deep pipeline of preclinical product candidates and discovery-stage programs in oncology (including immuno-oncology agents) and other therapeutic areas.



Our proprietary capabilities and technologies include several modular,
complementary therapeutic platforms that can be used in combination with each
other and with existing approaches. This ability to layer technologies without
compromising manufacturability enables us to engineer next-generation
biotherapeutics with synergistic activity, which we believe will result in
improved patient outcomes. Our platforms include:

•Azymetric, our bispecific platform, which enables therapeutic antibodies to
simultaneously bind multiple distinct locations on a target (known as an
epitope) or to multiple targets. This is achieved by tailoring multiple
configurations of the antibody's Fab regions (locations on the antibody to which
epitopes bind);
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•ZymeLink, our ADC platform, comprised of cytotoxins and the linker technology
used to couple these cytotoxins to tumor-targeting antibodies or proteins. This
platform can be used in conjunction with our other therapeutic platforms to
increase safety and efficacy as compared to existing ADC technologies;
•EFECT, which enables finely tuned modulation (both up and down) of immune cell
recruitment and function; and
•ProTECT, which enables tumor-specific activity that may reduce systemic
toxicity and simultaneously enhances localized immune co-stimulation or
checkpoint modulation that may increase efficacy.

Our protein engineering expertise and proprietary structure-guided molecular
modeling capabilities enable these therapeutic platforms. Together with our
internal antibody discovery and generation technologies, we have established a
fully integrated drug development engine and toolkit capable of rapidly
delivering a steady pipeline of next-generation product candidates in oncology
and other therapeutic areas.

Our Azymetric, EFECT and ZymeLink therapeutic platforms have been further
leveraged through multiple revenue-generating strategic partnerships and
collaborations with the following pharmaceutical companies: Merck Sharp & Dohme
Research GmbH ("Merck"), Eli Lilly and Company ("Lilly"), Celgene Corporation
and Celgene Alpine Investment Co. LLC (now a Bristol-Myers Squibb company,
"BMS"), GlaxoSmithKline Intellectual Property Development Limited ("GSK"),
Daiichi Sankyo Co., Ltd. ("Daiichi Sankyo"), Janssen Biotech, Inc. ("Janssen"),
LEO Pharma A/S ("LEO"), BeiGene, Iconic Therapeutics, Inc. ("Iconic") (and
through our relationship with Iconic, Exelixis, Inc. ("Exelixis")), and Atreca,
Inc. ("Atreca").

Our goal is to leverage our next-generation therapeutic platforms and
proprietary protein engineering capabilities to become a leader in the
discovery, development and commercialization of best-in-class multifunctional
biotherapeutics for the treatment of cancer and other diseases with high unmet
medical need.

Our key priorities to achieve this goal are to:



•fully recruit the HERIZON-BTC-01 pivotal clinical study for zanidatamab by
mid-2022;
•fully recruit the HERIZON-GEA-01 pivotal clinical study for zanidatamab by the
end of 2023;
•complete or close out other ongoing early-stage clinical studies for
zanidatamab as data become available, and use these data to identify and support
strategic decisions regarding future clinical development opportunities beyond
the ongoing pivotal clinical studies;
•finalize a clear clinical development path for ZW49 based on additional
clinical data expected in the second half of 2022 from the ongoing Phase 1
clinical trial;
•select and advance two new ADC or multispecific product candidates leveraging
Zymeworks' novel, therapeutic platforms (Azymetric™, ZymeLink™, EFECT™ and
ProTECT™) to Investigational New Drug ("IND") enabling studies to provide the
ability to submit two IND applications by the end of 2024;
•execute on new partnerships and collaborations to support the development and
commercialization of zanidatamab and Zymeworks' early-stage R&D pipeline and
technology platforms;
•continue to support and advance Zymeworks' core technology platforms and
collaborations; and
•improve Zymeworks' financial position over 2022 and 2023 through a combination
of alternatives, including forming additional partnerships and collaborations,
monetizing existing assets and products and securing additional financing.

We commenced operations in 2003 and have since devoted substantially all of our
resources to research and development activities including developing our
therapeutic platforms, identifying and developing potential product candidates
and undertaking preclinical studies and clinical trials. Additionally, we have
supported our research and development activities with general and
administrative support, as well as by raising capital, conducting business
planning and protecting our intellectual property. We have not generated any
revenue from the sale of approved products to date and do not expect to do so
until such time as we obtain regulatory approval and commercialize one or more
of our product candidates. We cannot be certain of the timing or success of
approval of our product candidates.

Since our initial public offering ("IPO") in 2017, we have funded our operations
primarily through follow-on public offerings, including the issuance of
pre-funded warrants, and payments received under our license and collaboration
agreements. Payments received from our license and collaboration agreements
include upfront fees, milestone payments, as well as research support and
reimbursement payments. Prior to our IPO, we also received financing from
private equity placements and the issuance of convertible debt, which was
subsequently converted into equity securities, and a credit facility. From
inception to March 31, 2022, we received $910.5 million, net of equity issue
costs, from these sources of financing including proceeds from exercises of
stock options and employee stock purchase plans. As of March 31, 2022, we had
$300.5 million of cash resources consisting of cash, cash equivalents and
short-term investments.
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Although it is difficult to predict our funding requirements, based upon our
current operating plan, we anticipate that our existing cash and cash
equivalents and short-term investments as of March 31, 2022, combined with
certain existing collaboration payments we anticipate receiving, will enable us
to fund our planned operations for at least the next twelve months from the date
this Quarterly Report on Form 10-Q is filed with the SEC.

We reported a net loss of $72.6 million for the three months ended March 31,
2022 and through March 31, 2022, we had an accumulated deficit of $755.7
million. Over the next several years, we expect to continue to incur losses as
we increase our research and development expenditures in connection with the
ongoing development of our product candidates and other clinical, preclinical
and regulatory activities.

Recent Developments

COVID-19:

COVID-19 has impacted our research and development activities, but has not
caused significant disruptions to our business operations to date. In March
2020, we transitioned our workforce to a remote working arrangement to protect
the health and safety of our employees. In June 2020, we implemented a program
to facilitate the phased return of employees to our lab and office facilities
pursuant to enhanced health and safety protocols consistent with guidelines
issued by local health authorities. Our preclinical research activities were
supplemented by support from external contract research organizations ("CROs")
to complement the temporarily reduced capacity at our lab facilities. Certain
clinical trial activities, including patient enrollment and site activations,
were delayed or otherwise impacted by COVID-19. To date, COVID-19 has not had a
material impact on our financial condition, liquidity or longer-term strategic
development and commercialization plans.

The extent to which COVID-19 may cause more significant disruptions to our
business and greater impacts to our results of operations will depend on future
developments, which are highly uncertain and cannot be predicted with
confidence, such as the location, duration and severity of outbreaks, including
potential future waves or cycles, and the effectiveness of actions to contain
and treat COVID-19. A lack of coordinated responses on risk mitigation and
global vaccination deployment with respect to the COVID-19 pandemic could result
in significant increases to the duration and severity of the pandemic and could
have a corresponding negative impact on our business. Insufficient vaccine
availability, reduced effectiveness of vaccines over time or against new
variants, or resistance to vaccination by certain persons may result in
increasing infection and hospitalization rates, which have been and could be
further complicated by the emergence of more virulent or infectious variants of
the virus. We cannot predict the duration, scope and severity of any potential
business shutdowns or disruptions that may result from future waves or cycles of
outbreaks, including impacts to our ongoing and planned clinical studies and our
regulatory approval prospects. Further prolonged shutdowns or other business
interruptions could result in material and negative effects to our ability to
conduct our business in the manner and on the timelines currently planned, which
could have a material adverse impact on our business, results of operations, and
financial condition. The COVID-19 pandemic continues to rapidly evolve, and we
will continue to monitor the effects of COVID-19 on our business. See Part II -
Item 1A, "Risk Factors - Risks Related to Our Business and the Development and
Commercialization of Our Product Candidates - Our business has been and may
continue to be adversely affected by the COVID-19 pandemic."

Zanidatamab Clinical Program:

In April 2022, we announced the last patient enrolled in HERIZON-BTC-01, a global pivotal clinical trial evaluating the antitumor activity of zanidatamab monotherapy in patients with previously treated advanced or metastatic HER2-amplified BTC.



Also in April 2022, Zymeworks, in conjunction with its Asia-Pacific partner
BeiGene, announced the acceptance of abstracts and plans to present data at the
upcoming ASCO meeting in June on the first-line treatment of patients with HER2+
metastatic breast cancer using zanidatamab plus chemotherapy and on the
first-line treatment of patients with HER2+ metastatic GEA using zanidatamab in
combination with chemotherapy and tislelizumab.

ZW49 Clinical Program:



In our ongoing ZW49 Phase 1 dose-escalation study, the expansion cohorts
evaluating 2.5 mg/kg every three weeks have completed enrollment of 30 patients.
In parallel, we continue to evaluate an expansion cohort evaluating dosing at
1.5 mg/kg weekly and continue to enroll into the escalation cohort evaluating
1.75mg/kg weekly. Patient enrollment continues to progress well in both the
weekly expansion and escalation cohorts and we remain on target to submit data
for presentation at a major medical meeting in the second half of this year.
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Preclinical Programs:



In March 2022, we presented information on our topoisomerase 1 inhibitor
("TOPO1i") ADC technology at the World ADC London conference. The presentation
highlighted preclinical data and the development of our TOPO1i-based payload
technology to be used in conjunction with our auristatin-based payload
technology in the generation of fit-for-purpose and indication-specific ADCs.

Licensing and Collaboration Agreements:



In April 2022, Atreca announced a licensing agreement with Zymeworks to utilize
our ZymeLink technology to develop novel ADCs. We received an undisclosed
upfront payment in association with this licensing agreement in conjunction with
future option exercise fees and development, regulatory, and commercial
milestones as well as tiered royalties on net sales of any licensed products at
single-digit royalty rates.

Financing Activities:

On January 31, 2022, we announced the closing of our underwritten public
offering which consisted of the issuance of 11,035,000 common shares, including
the exercise in full of the underwriters' over-allotment option to purchase
1,875,000 additional shares, and, in lieu of common shares, to certain
investors, pre-funded warrants to purchase up to 3,340,000 common shares. The
common shares were sold at a price to the public of $8.00 per common share and
the pre-funded warrants were sold at a price of $7.9999 per pre-funded warrant,
for aggregate gross proceeds to the Company of $115.0 million, before deducting
underwriting discounts and commissions and estimated offering expenses. The
securities were offered in the United States pursuant to our final prospectus,
dated January 26, 2022, to our U.S. automatic shelf registration statement on
Form S-3ARS, including a prospectus dated October 1, 2021. No securities were
offered or sold, directly or indirectly, in Canada or to any resident of Canada.

Executive Team Changes and Restructuring:



On January 5, 2022, we announced the appointment of Mr. Kenneth Galbraith as
Chair of our Board of Directors, Chief Executive Officer and President,
effective January 15, 2022. In connection with Mr. Galbraith's appointment, Dr.
Ali Tehrani resigned from the positions of President and Chief Executive Officer
and as a member of our board of directors, effective January 15, 2022. We also
announced the promotion of our Chief Financial Officer, Mr. Neil Klompas, to the
dual position of Chief Operating Officer and Chief Financial Officer. Our Board
of Directors also appointed Ms. Lota Zoth as the Board of Directors' lead
independent director, effective January 15, 2022.

On January 19, 2022, we announced a restructuring of our workforce (the
"Restructuring"), with a target of reducing employee headcount by at least 25%
across the organization by the end of 2022. We took these steps as part of our
renewed focus on achieving our key strategic priorities and to help create a
more cost-efficient organization in order to execute on our strategic
priorities. In connection with the Restructuring, we announced changes in our
leadership, with the Executive Vice President, Early Development & Chief
Scientific Officer, Chief People Officer and Chief Commercial Officer leaving
the Company. As of March 31, 2022, we had exceeded the previously announced
workforce reduction of 25%, ahead of schedule. The Company has incurred other
restructuring charges in connection with the reduction in workforce which are
disclosed in note 14 of our interim condensed financial statements included in
this Quarterly Report on Form 10-Q. The Company recognized the majority of these
charges during the three months ended March 31, 2022 and does not expect to
incur any material additional costs related to the Restructuring.

On February 24, 2022, we announced the appointment of Dr. Christopher Astle to
the role of Senior Vice President and Chief Financial Officer of the Company.
Dr. Astle succeeds Mr. Klompas in the role of Chief Financial Officer. Following
Dr. Astle's appointment, Mr. Klompas has continued in his position as the
Company's Chief Operating Officer.

Strategic Partnerships and Collaborations



Our novel product candidates, together with the unique combination of
proprietary protein engineering capabilities and resulting therapeutic platform
technologies, have enabled us to enter into a number of strategic partnerships,
many of which were subsequently expanded in scope. Our strategic partnerships
and collaborations, including with Merck, BMS, GSK, Daiichi Sankyo, Janssen,
LEO, BeiGene, and Iconic, provide us with the ability to accelerate clinical
development of our product candidates in certain geographical regions and
provide our strategic partners with access to components of our proprietary
therapeutic platforms for their own therapeutics development. (Per an amendment
of a sublicensing agreement between Iconic and Exelixis in December 2021, Iconic
notified us that they will receive a one-time fee from Exelixis in exchange for
all future milestones for Iconic's ICON-2 program. As such, we will receive a
share of this payment to Iconic. We continue to be eligible to
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receive future royalties pursuant to our agreement with Iconic.) In addition,
these strategic partnerships have provided us with non-dilutive funding as well
as access to proprietary therapeutic assets, which increase our ability to
rapidly advance our product candidates while maintaining commercial rights to
our own therapeutic pipeline. Under our strategic partnerships and collaboration
agreements, we have received over $240.0 million to date in the form of
non-refundable upfront payments and milestone payments. In addition, under our
active strategic partnerships and collaboration agreements, we are eligible to
receive up to $2.9 billion in preclinical and development milestone payments and
$6.1 billion in commercial milestone payments, as well as tiered royalties on
potential future product sales. It is possible, however, that our strategic
partners' programs will not advance as currently contemplated, which would
negatively affect the amount of development and commercial milestone payments
and royalties on potential future product sales we may receive. Importantly,
these partnerships include predominantly non-target-exclusive licenses for any
of our therapeutic platforms, so we maintain the ability to develop therapeutics
directed to many high-value targets utilizing our platforms.

There have not been any material changes to the key terms of any of our
licensing and collaboration agreements, since December 31, 2021. For further
information on the terms and conditions of our existing collaboration and
license agreements, please refer to "Item 1. Business - Strategic Partnerships
and Collaborations" of our Annual Report on Form 10-K for the year ended
December 31, 2021.

Financial Operations Overview

Revenue

Our revenue consists of collaboration revenue, including amounts recognized
relating to upfront non-refundable payments for licenses or options to obtain
future licenses, research and development funding and milestone payments earned
under collaboration and license agreements. We expect that collaboration revenue
from our strategic partnerships will be our primary source of revenue for the
foreseeable future.

Operating Expenses

Our operating expenses consist primarily of research and development expenses
and general and administrative expenses. Personnel costs including salaries,
benefits, bonuses and stock-based compensation expense, comprise a significant
component of research and development and general and administrative expenses.
We allocate certain indirect expenses associated with our facilities,
information technology, depreciation and other overhead costs between research
and development and general and administrative categories based on employee
headcount and the nature of work performed by each employee.

Research and Development Expense



Research and development expenses consist of expenses incurred in performing
research and development activities such as conducting clinical trials and
preclinical research studies, technical and manufacturing operations, regulatory
affairs and other indirect expenses in support of advancing our product
candidates and therapeutic platforms. Research and development expenses include
third-party program costs, internal personnel costs and other indirect costs as
follows:

•fees paid to CROs, consultants, subcontractors and other third-party vendors
for work performed for our clinical trials, preclinical studies and regulatory
activities;
•fees paid to third-party manufacturers to produce our product candidate
supplies;
•amounts paid to vendors and suppliers for laboratory supplies;
•fees, milestone payments and other expenses incurred in connection with license
agreements and amendments;
•employee-related expenses such as salaries and benefits and stock-based
compensation;
•depreciation of laboratory equipment, computers and leasehold improvements; and
•overhead expenses such as facilities, information technology and other
allocated items.

It is difficult to determine with certainty the duration and completion costs of
our current or future clinical trials and preclinical programs of our product
candidates, or if, when or to what extent we will generate revenue from the
commercialization and sale of any of our product candidates that obtain
regulatory approval. We may never succeed in achieving regulatory approval for
any of our product candidates. The duration, costs and timing of clinical trials
and development of our product candidates will depend on a variety of factors,
including the uncertainties of clinical trials and preclinical studies,
uncertainties in clinical trial enrollment rates and significant and changing
government regulation. In addition, the probability of success for each product
candidate will depend on numerous factors, including competition, manufacturing
capability and commercial viability. We will determine which
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programs to pursue and how much to fund each program in response to the
scientific and clinical success of each product candidate, as well as an
assessment of each product candidate's commercial potential. Our research and
development expenses may increase in the future as we continue to develop our
platforms and product candidates.

General and Administrative Expense



General and administrative expenses consist of salaries, benefits and
stock-based compensation costs for employees in our executive, finance, legal,
intellectual property, business development, human resources and other support
functions, as well as legal and professional fees, business insurance,
facilities and information technology costs and other expenses. Our general and
administrative expenses may increase in the future as we expand our
infrastructure to support our ongoing research and development activities.

Other Income (Expense)

Other income (expense) primarily consists of interest income and foreign exchange gain (loss).

Critical Accounting Policies and Significant Judgments and Estimates



Our critical accounting policies are those policies that require the most
significant judgments and estimates in the preparation of our interim condensed
consolidated financial statements. A summary of our critical accounting policies
is presented in note 2 of our annual consolidated financial statements for the
year ended December 31, 2021.

Our management's discussion and analysis of financial condition and results of
operations is based on our interim condensed consolidated financial statements,
which have been prepared in accordance with U.S. GAAP. The preparation of these
interim condensed consolidated financial statements requires us to make
estimates, judgments and assumptions that are inherently uncertain that affect
the amounts reported in the interim condensed consolidated financial statements
and accompanying notes. We base our estimates on historical experience and on
various other assumptions that we believe to be reasonable. We review and
evaluate these estimates on an ongoing basis. These assumptions and estimates
form the basis for making judgments about the carrying values of assets and
liabilities and amounts that have been recorded as revenue and expenses. Actual
results and experiences may differ from these estimates. The results of any
material revisions would be reflected in the interim condensed consolidated
financial statements prospectively from the date of the change in estimate.

There have been no material changes in our critical accounting policies and
significant judgments and estimates during the three months ended March 31, 2022
as compared to what has been described in our most recent annual consolidated
financial statements.

The full extent to which the COVID-19 pandemic may directly or indirectly impact
our business, results of operations and financial condition, including revenues,
expenses, clinical trials, research and development costs and employee-related
amounts, will depend on future developments that are evolving and highly
uncertain, such as the duration and severity of outbreaks, including current and
potential future waves or cycles, and the effectiveness of actions taken to
contain and treat COVID-19. We considered the potential impact of COVID-19 when
making certain estimates and judgments relating to the preparation of our
interim condensed consolidated financial statements. While there was no material
impact to our interim condensed consolidated financial statements as of and for
the three months ended March 31, 2022, our future assessment of the magnitude
and duration of COVID-19, as well as other factors, could result in a material
impact to our consolidated financial statements in future reporting periods.

Recent Accounting Pronouncements

A summary of recent accounting pronouncements is presented in note 3 of our interim condensed consolidated financial statements for the quarter ended March 31, 2022 within this Quarterly Report on Form 10-Q.


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Results of Operations for the Three Months Ended March 31, 2022 and 2021



Revenue
                                                   Three Months Ended
                                                        March 31,                     Increase/
                                                     2022             2021            (Decrease)
                                                               (dollars in millions)
Revenue from research and collaborations     $      1.9              $ 0.6

$ 1.3 217 %

Our revenue relates primarily to non-recurring upfront fees, expansion payments or milestone payments from our licensing and collaboration agreements.



Total revenue increased by $1.3 million in the three months ended March 31, 2022
compared to the same period in 2021. Revenue for the three months ended
March 31, 2022 included $1.9 million from our partners for research support and
other payments. Revenue for the same period in 2021 included $0.6 million from
our partners for research support and other payments.

Research and Development Expense




                                                       Three Months Ended
                                                            March 31,                                Increase/
                                                     2022                  2021                     (Decrease)
                                                                         (dollars in millions)
Third-party research and development program
expenses:
Clinical development programs:
Zanidatamab                                   $     38.6               $    16.6          $     22.0               133  %
ZW49                                                 1.6                     4.4                (2.8)              (64) %
Preclinical and other research programs              0.5                     3.4                (2.9)              (85) %
                                                    40.7                    24.4                16.3                67  %
Unallocated departmental research and
development expenses:
Salaries and benefits                               18.3                    13.1                 5.2                40  %
Stock-based compensation (recovery) expense         (3.2)                    1.8                (5.0)             (278) %
Other unallocated expenses                           6.7                     5.0                 1.7                34  %
Research and development expense              $     62.5               $    44.3          $     18.2                41  %


Research and development expense increased by $18.2 million in the three months
ended March 31, 2022 compared to the same period in 2021. For the three months
ended March 31, 2022, research and development expense included non-cash
stock-based compensation recovery of $3.2 million comprised of a $2.7 million
recovery from equity classified awards (three months ended March 31, 2021 - $4.3
million expense) and a $0.5 million recovery related to the non-cash
mark-to-market revaluation of certain historical liability classified awards
(three months ended March 31, 2021 - recovery of $2.5 million). Excluding
stock-based compensation expense, research and development expense increased by
$23.2 million or 55% in 2022 compared to 2021. The increase related primarily to
higher clinical trial expenses for zanidatamab, increased drug manufacturing
expenses, severance and other expenses incurred due to the Company's
Restructuring program, partly offset by lower clinical trial expense for ZW49.
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General and Administrative Expense


                                                         Three Months Ended
                                                              March 31,                               Increase/
                                                       2022                2021                       (Decrease)
                                                                            (dollars in millions)
Salaries and benefits                             $       7.9          $     6.5          $      1.4                   22  %
Stock-based compensation recovery                        (5.1)              (8.8)                3.7                   42  %
Professional fees, consulting and business
insurance                                                 3.7                3.1                 0.6                   19  %
Other general and administrative expenses                 5.6                0.5                 5.1                1,020  %
General and administrative expense                $      12.1          $     1.3          $     10.8                  831  %


General and administrative expense increased by $10.8 million for the three
months ended March 31, 2022 compared to the same period in 2021. For the three
months ended March 31, 2022, general and administrative expense included
non-cash stock-based compensation recovery of $5.1 million comprised of a $2.2
million recovery from equity classified awards (three months ended March 31,
2021 - $4.2 million expense) and a $2.9 million recovery related to the non-cash
mark-to-market revaluation of certain historical liability classified awards
(three months ended March 31, 2021 - recovery of $13.0 million). Excluding
stock-based compensation, general and administrative expense increased by $7.1
million or 70% in 2022 compared to 2021. This increase was primarily due to
severance and other expenses incurred due to the Company's Restructuring program
in 2022 as well as a non-recurring sales tax refund recognized in 2021, which
partially offset expenses in the same period in 2021.

Other Income (Expense), net



                           Three Months Ended
                                March 31,                       Increase/
                             2022             2021             (Decrease)
                                        (dollars in millions)
Other income, net    $      -                $ 0.9      $     (0.9)       (100) %


Other income, net decreased by $0.9 million for the three months ended March 31,
2022 compared to the same period in 2021. Other income, net for 2022 included
primarily $0.3 million in interest income and $0.3 million in foreign exchange
loss and other miscellaneous amounts. Other income, net for the three months
ended March 31, 2021 primarily included $0.7 million in interest income and a
$0.1 million net foreign exchange loss and other miscellaneous amounts.

Liquidity and Capital Resources

Sources of Liquidity



Since our IPO in 2017, we have funded our operations primarily through follow-on
public offerings, including the issuance of pre-funded warrants, as well as from
upfront fees, milestone payments, and research support payments generated from
our strategic collaborations and licensing agreements.

On January 31, 2022, we completed a public offering pursuant to which we sold
(i) 11,035,000 common shares (including the sale of 1,875,000 common shares to
the underwriters upon their full exercise of their over-allotment option), at
$8.00 per common share and 3,340,000 pre-funded warrants in lieu of common
shares at $7.9999 per pre-funded warrant. We received gross proceeds of $115.0
million and net proceeds were approximately $107.7 million, after underwriting
discounts, commissions and estimated offering expenses.

On October 1, 2021, we amended our Open Market Sale AgreementSM, dated as of
November 5, 2019 (as amended, the "Sales Agreement"), with Jefferies LLC
("Jefferies"). The Sales Agreement provides for the offer and sale of our common
shares from time to time through Jefferies as our sales agent, subject to the
maximum aggregate dollar amount registered pursuant to the applicable prospectus
supplement. Sales of common shares through Jefferies, if any, will be made by
any method permitted by law deemed to be an "at the market offering" as defined
in Rule 415(a)(4) under the Securities Act. No shares of our common stock were
sold under the Sales Agreement since its inception to date.
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As of March 31, 2022, we had $300.5 million in cash resources consisting of cash, cash equivalents and short-term investments.

Cash Flows

The following table represents a summary of our cash flows for the three months ended March 31, 2022 and 2021:


                                                                          Three Months Ended
                                                                               March 31,
                                                                        2022                 2021
                                                                         (dollars in millions)
Net cash (used in) provided by:
Operating activities                                              $    (55.4)            $   (40.8)
Investing activities                                                    20.6                  76.8
Financing activities                                                   108.6                   2.1
Effect of exchange rate changes on cash and cash equivalents            (0.1)                 (0.2)
Net change in cash and cash equivalents                           $     73.7             $    37.9


Operating Activities

During the three months ended March 31, 2022, cash used in operating activities
was $55.4 million compared to $40.8 million for the same period in the prior
year. The increase in net cash used in operating activities was primarily due to
higher clinical trial expenses for zanidatamab and increased drug manufacturing
expenses as well as, severance and other expenses incurred due to the Company's
Restructuring program, partly offset by lower clinical trial expense for ZW49
and deprioritized research projects.

Investing Activities



Net cash provided by investing activities for the three month period ended
March 31, 2022 was primarily related to redemptions of short-term investments in
marketable securities of $25.3 million partially offset by cash outflows of $4.7
million for the acquisition of property and equipment in relation to our new
office and lab spaces in Canada and an increase in intangible assets including
software implementation costs. Net cash provided by investing activities for the
three month period ended March 31, 2021 was primarily related to redemptions of
short-term investments in marketable securities of $77.5 million partially
offset by cash outflows of $0.7 million for the acquisition of property and
equipment.

Financing Activities



Net cash provided by financing activities for the three months ended March 31,
2022 included $107.7 million relating to net proceeds from our January 2022
public offering of equity securities and $0.9 million from the issuance of
common shares in relation to our employee stock purchase plan. Net cash provided
by financing activities for the three months ended March 31, 2021 included net
proceeds of $1.3 million from stock option exercises and $0.8 million from the
issuance of common shares in relation to our employee stock purchase plan.

Funding Requirements



We have not generated any revenue from approved product sales to date and do not
expect to do so until such time as we obtain regulatory approval and
commercialize one or more of our product candidates. As we are currently in the
clinical and preclinical stages of development, it will be some time before we
expect to achieve this, and it is uncertain that we ever will. We expect that we
will continue to increase our operating expenses in connection with ongoing
clinical trials and preclinical activities and the development of product
candidates in our pipeline. In addition, inflation generally may affect us by
increasing our cost of labor and clinical trial expenses. Our funding
requirements in the short-term and long-term will consist of the operational,
capital, and manufacturing expenditures, a portion of which contain contractual
or other obligations including future minimum lease payments under
non-cancelable operating leases as presented in note 11 and other commitments
and contingencies as presented in note 13 to the interim condensed consolidated
financial statements. Because of the inherent risks and uncertainties associated
with the development and commercialization of our drug candidates, we are unable
to estimate the amounts of capital outflows and operating expenditures
associated with our current and anticipated clinical trials and preclinical
studies.
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Although it is difficult to predict our funding requirements, based on our
current operating plan, we anticipate that our existing cash and cash
equivalents and short-term investments combined with certain anticipated
milestone payments from our existing collaborations will enable us to fund our
operating expenses and capital expenditure requirements for at least the next
twelve months from the date this Quarterly Report on Form 10-Q is filed with the
SEC. We have based these estimates on assumptions and plans which may change and
which could impact the magnitude and/or timing of operating expenses, capital
expenditures and our cash runway. These estimates include future milestone
payments which are dependent upon the successful completion of specified
research and development activities by us and our collaborators and are
therefore uncertain at this time. The successful development of our product
candidates and the achievement of milestones by our strategic partners is
uncertain, and therefore we are unable to estimate the actual funds we will
require to complete the research, development and commercialization of product
candidates. See Part II, Item 1A, "Risk Factors - Risks Related to Our Business
and the Development and Commercialization of Our Product Candidates" and "Risk
Factors - Risks Related to Our Dependence on Third Parties - We may not realize
the anticipated benefits of our strategic partnerships".

We will need substantial additional funding to support our continuing operations and pursue our long-term business plans. Accordingly, our future funding requirements will depend on many factors, including but not limited to:



•the scope, rate of progress, results and costs of our clinical trials,
preclinical studies and other related activities;
•our ability to establish and maintain strategic collaborations, licensing or
other arrangements and the financial terms of such agreements as well as our
ability to enter into new arrangements;
•the timing and the costs of obtaining regulatory approvals for any of our
current or future drug candidates;
•the cost of commercialization activities if any of our current or future drug
candidates are approved for sale, including marketing, sales and distribution
costs; and
•the amount of revenue, if any, received from commercial sales of our drug
candidates, should any of our drug candidates receive marketing approval.

If adequate funds are not available at favorable terms, we may be required to
reduce operating expenses, delay or reduce the scope of our product development
and commercial expansion programs, obtain funds through arrangements with others
that may require us to relinquish rights to certain of our technologies or
products that we would otherwise seek to develop or commercialize ourselves or
cease operations. If we do raise additional capital through public or private
equity or convertible debt 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. A
deterioration in the equity or credit markets may make any necessary debt or
equity financing more difficult, more costly and more dilutive.

Segment Reporting

We view our operations and manage our business in one segment, which is the development of next-generation multifunctional biotherapeutics.

Outstanding Share Data



As of May 2, 2022, our authorized share capital consisted of an unlimited number
of common shares, each without par value, of which 57,771,204 were issued and
outstanding, and an unlimited number of preferred shares, each without par
value, none of which were issued and outstanding. As of May 2, 2022, we had
8,581,961 common shares issuable pursuant to 8,581,961 pre-funded warrants,
4,023,868 common shares issuable pursuant to 4,023,868 exercisable outstanding
stock options and 4,709,137 common shares issuable pursuant to 4,709,137
outstanding options that were not exercisable at that date and 203,733
outstanding restricted stock units.

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