The following Management's Discussion and Analysis of Financial Condition and Results of Operations ("MD&A") is intended to help the reader understand our results of operations and financial condition. This MD&A is provided as a supplement to, and should be read in conjunction with, our unaudited consolidated financial statements and the accompanying notes thereto and other disclosures included in this Quarterly Report on Form 10-Q, including the disclosures under Part II, Item 1A "Risk Factors," and our audited financial information and the notes thereto included in our Annual Report . Our unaudited consolidated financial statements have been prepared in accordance with generally accepted accounting principles in the U.S. ("U.S. GAAP") and unless otherwise indicated are presented in U.S. dollars.

Overview

We are a leader in the field of gene therapy and seek to deliver to patients suffering from rare and other devastating diseases single treatments with potentially curative results. We are advancing a pipeline of innovative gene therapies, including product candidates for the treatment of Huntington's disease, hemophilia B, temporal lobe epilepsy and Fabry disease. We believe our validated technology platform and manufacturing capabilities provide us distinct competitive advantages, including the potential to reduce development risk, cost, and time to market. We produce our Adeno-associated virus ("AAV") -based gene therapies in our own facilities with a proprietary, commercial-scale, current good manufacturing practices ("cGMP")-compliant, manufacturing process. We believe our Lexington, Massachusetts-based facility is one of the world's most versatile gene therapy manufacturing facilities.

Business Developments

Below is a summary of our recent significant business developments:

Huntington's disease program (AMT-130)

AMT-130 is our novel gene therapy candidate for the treatment of Huntington's disease. AMT-130 utilizes our proprietary, gene-silencing miQURE platform and incorporates an AAV vector carrying a micro ribonucleic acid ("miRNA") specifically designed to silence the huntingtin gene and the potentially highly toxic exon 1 protein fragment. We are currently conducting a Phase I/II clinical trial for AMT-130 in the U.S. and a Phase Ib/II study in the EU. Together, these studies are intended to establish safety, proof of concept, and the optimal dose of AMT-130 to take forward into Phase III development or into a confirmatory study should an accelerated registration pathway be feasible. AMT-130 has received Orphan Drug and Fast Track designations from the U.S. Food and Drug Administration ("FDA") and Orphan Medicinal Product Designation from the European Medicines Agency ("EMA").

In February 2022, the first two patients were dosed in our European Phase Ib/II study of AMT-130. The open-label study will enroll a total of 15 patients in two dose cohorts. The first and second dose cohorts will include 6 patients and 9 patients, respectively.

On March 21, 2022, we announced that we have completed the enrollment of all 26 patients in the first two cohorts of our randomized, double-blinded, Phase I/II clinical trial of AMT-130 taking place in the U.S. In the study, patients are randomized to either treatment with AMT-130 or to an imitation surgical procedure. The first dose cohort includes 10 patients, of which six patients received treatment with AMT-130 and four patients received imitation surgery. The second dose cohort includes 16 patients, of which ten patients received treatment with AMT-130 and six patients received imitation surgery. The Phase I/II clinical trial consists of a blinded 12-month period followed by unblinded long-term follow-up for five years. The treated patients have received a single administration of AMT-130 using MRI-guided, convection-enhanced stereotactic neurosurgical delivery directly into the striatum (caudate and putamen). The third cohort, which will include up to 18 additional randomized patients receiving the higher dose, will explore the use of alternative stereotactic navigation systems to simplify placement of catheters for infusions of AMT-130.



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CSL Behring collaboration

On June 24, 2020, (the "Signing Date"), uniQure biopharma B.V., a wholly owned subsidiary of uniQure N.V., entered into a commercialization and license agreement (the "CSL Behring Agreement") with CSL Behring pursuant to which CSL Behring received exclusive global rights to etranacogene dezaparvovec, the investigational gene therapy for patients with hemophilia B (the "Product"). The transaction became fully effective on May 6, 2021, one day after the waiting period under the Hart-Scott-Rodino Antitrust Improvements Act of 1976 expired ("Closing").

In March 2022, CSL Behring submitted certain global regulatory submissions for etranacogene dezaparvovec. On March 28, 2022, CSL Behring announced that the EMA accepted one of the global regulatory submissions - the Marketing Authorization Application ("MAA") - under its accelerated assessment procedure. As of March 31, 2022, we received $20.0 million of the $55.0 million owed to us by CSL Behring related to the global regulatory submissions. The remaining $35.0 million was received in April 2022.

Preclinical programs

On May 2, 2022 we announced that we will be presenting certain preclinical findings on our gene therapy candidates for Huntington's disease, refractory temporal lobe epilepsy, Fabry disease, Parkinson's disease, Amyotrophic lateral sclerosis, and Alzheimer's disease at the American Society of Gene and Cell Therapy Hybrid Congress in May 2022.

Covid pandemic

The coronavirus disease ("Covid") caused by the severe acute respiratory syndrome coronavirus 2 ("Sars-CoV 2 virus") was characterized as a pandemic by the World Health Organization ("WHO") on March 11, 2020. Since then, various variants of the Sars-CoV 2 virus causing Covid have been identified.

a) Workplace and employees

Throughout the pandemic, we have been implementing measures to address the impact of Covid on our business. We have implemented a series of protocols governing the operations of our Lexington facility to comply with the requirements of the various orders and guidance from the Commonwealth of Massachusetts and other related orders, guidance, laws, and regulations. We continue to monitor local government rules and recommendations and office protocols will be aligned with these rules and recommendations.

Effective March 1, 2022, we have implemented our base Covid-19 Protocol within the Lexington facility which requires only unvaccinated employees to wear facemasks and apply social distancing at the office. All non-essential Lexington employees are allowed to return to the office as space at the office allows and there is no longer a limitation on in-person meetings, although meetings organizers should still provide remote options for employees. This protocol will remain in place until July 1, 2022, unless extended or otherwise amended.

Effective February 28, 2022, the Amsterdam location is open to all employees and visitors, in line with the most updated Dutch government measures. We will continue to comply with additional Dutch measures, which amongst others is recommended for employers to make agreements with employees that allow working from home to continue to the extent applicable.

b) Business impact

The broader implications of Covid, including the implications from the various variants, on our results of

operations and overall financial performance remain uncertain. We have experienced increased lead times in the delivery of equipment and disposables that we use to manufacture materials for our various programs. Currently, these have not materially impacted our development timelines and we continue to adapt to the current environment to minimize the effect to our business. However, we may experience more pronounced disruptions in our operations in the future.

Russian-Ukrainian war

Our business is not directly impacted by the war as we do not operate in either Russia or the Ukraine. However, the war might potentially amplify the disruptive impact of the Covid pandemic.



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Intellectual Property

On May 11, 2021, Pfizer, Inc. filed three petitions at the USPTO seeking Inter Partes Review of U.S. Patent Nos. 9,982,248 (the "'248 Patent") and 10,465,180 (the "'180 Patent" and together with the '248 Patent, the "Patents"). The petitions collectively seek to invalidate all claims of the Patents. In August 2021, we filed our responses asking the USPTO to deny institution of the IPR proceedings. On November 17, 2021, the PTAB issued decisions granting institution on all three IPR proceedings. Our response to the petition was filed on March 3, 2022. Pfizer's reply to our response is due not later than June 17, 2022.

Financial Overview

Key components of our results of operations include the following:



                                                   Three months ended March 31,
                                                     2022                2021
                                                          (in thousands)
Total revenues                                  $         1,792     $           454
Research and development expenses                      (45,003)            (32,656)
Selling, general and administrative expenses           (10,987)            (12,376)
Net loss                                               (46,678)            (41,556)


As of March 31, 2022 and December 31, 2021, we had cash and cash equivalents of $524.9 million and $556.3 million, respectively. We had a net loss of $46.7 million in the three months ended March 31, 2022 compared to a net loss of $41.6 million for the same period in 2021. As of March 31, 2022 and December 31, 2021, we had accumulated deficits of $501.8 million and $455.1 million, respectively.

We anticipate that our expenses will increase substantially as we:

? advance the clinical development of AMT-130 for our Huntington's disease gene

therapy program;

? advance multiple research programs related to gene therapy candidates targeting

liver-directed and CNS diseases;

? continue to expand our employee base to support research and development, as

well as general and administrative functions;

? acquire or in-license rights to new therapeutic targets or product candidates;

continue to expand, enhance and optimize our technology platform, including our

? manufacturing capabilities, next-generation viral vectors and promoters, and

other enabling technologies;

? maintain, expand, and protect our intellectual property portfolio, including

in-licensing additional intellectual property rights from third parties; and

? make potential future milestone payments related to the acquisition of

Corlieve, if any.

See "Results of Operations" below for a discussion of the detailed components and analysis of the amounts above.



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Critical Accounting Policies and Estimates

In preparing our consolidated financial statements in accordance with U.S. GAAP and pursuant to the rules and regulations promulgated by the SEC we make assumptions, judgments and estimates that can have a significant impact on our net loss and affect the reported amounts of certain assets, liabilities, revenue and expenses, and related disclosures. We base our assumptions, judgments and estimates on historical experience and various other factors that we believe to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not clear from other sources. Actual results may differ from these estimates under different assumptions or conditions. In making estimates and judgments, management employs critical accounting policies. A summary of our critical accounting policies as well as a discussion of our critical accounting estimates are presented in our Annual Report . There were no material changes to our critical accounting policies during the three months ended March 31, 2022 or reasonably possible changes of our critical accounting estimates as of March 31, 2022 that could have had a material impact on our results of operations for the three-month period ended March 31, 2022.

Research and development expenses

We expense research and development ("R&D") expenses as incurred. Our R&D expenses generally consist of costs incurred for the development of our target candidates, which include:

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

compensation expense;

costs incurred for laboratory research, preclinical and nonclinical studies,

? clinical trials, statistical analysis and report writing, and regulatory

compliance costs incurred with clinical research organizations and other

third-party vendors;

? costs incurred to conduct characterization, consistency and comparability

studies;

? costs incurred for the development and improvement of our manufacturing

processes and methods;

costs associated with research activities for enabling technology platforms,

? such as next-generation vectors, promoters and re-administration of gene

therapies;

? costs associated with the rendering of collaboration services as well as the

continued development of Product between the Signing Date and Closing;

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

? allocated expenses for rent and maintenance of facilities, insurance, and other

supplies; and

? changes in the fair value of liabilities recorded in relation to our

acquisition of Corlieve.

Our research and development expenses may vary substantially from period to period based on the timing of our research and development activities, including manufacturing campaigns, regulatory submissions and enrollment of patients in clinical trials. The successful development of our product candidates is highly uncertain. Estimating the nature, timing or cost of the development of any of our product candidates involves considerable judgement due to numerous risks and uncertainties associated with developing gene therapies, including the uncertainty of:

? the scope, rate of progress and expense of our research and development

activities;

? our ability to successfully manufacture and scale-up production;

? clinical trial protocols, speed of enrollment and resulting data;

? the effectiveness and safety of our product candidates;

? the timing of regulatory approvals; and

? our ability to agree to ongoing development budgets with collaborators who

share the costs of our development programs.

A change in the outcome of any of these variables with respect to our product candidates that we may develop, including as a result of the Covid pandemic, could mean a significant change in the expenses and timing associated with the development of such product candidate.



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Selling, general and administrative expenses

Our general and administrative expenses consist principally of employee, office, consulting, legal and other

professional and administrative expenses. We incurred expenses associated with operating as a public company, including expenses for personnel, legal, accounting and audit fees, board of directors' costs, directors' and officers' liability insurance premiums, Nasdaq listing fees, expenses related to investor relations and fees related to business development and maintaining our patent and license portfolio. Our selling costs in the three months ended March 31, 2021 included employee expenses, as well as professional fees related to the preparation of a commercial launch of etranacogene dezaparvovec.

Other items, net

Our other income primarily consists of income from the subleasing of our Amsterdam facility.

Our other expense primarily consists of expenses we incur in relation to our subleasing income.

Results of Operations

Comparison of the three months ended March 31, 2022 and 2021

The following table presents a comparison of our results of operations for the three months ended March 31, 2022 and 2021.



                                                           Three months ended March 31,
                                                        2022          2021        2022 vs 2021

                                                                   (in thousands)
Total revenues                                       $    1,792    $      454    $        1,338
Operating expenses:
Research and development expenses                      (45,003)      (32,656)          (12,347)
Selling, general and administrative expenses           (10,987)      (12,375)             1,388
Total operating expenses                               (55,990)      (45,031)          (10,959)
Other income                                                311           352              (41)
Other expense                                             (193)         (233)                40
Loss from operations                                   (54,080)      (44,458)           (9,622)
Other non-operating items, net                            6,786         3,115             3,671

Net loss before income tax income / (expense) $ (47,294) $ (41,343) $ (5,951) Income tax income / (expense)

                               616         (213)               829
Net loss                                             $ (46,678)    $ (41,556)    $      (5,122)


Revenue

Our collaboration revenue for the three months ended March 31, 2022 and 2021 was
as follows:

                                           Three months ended March 31,
                                        2022           2021       2022 vs 2021

                                                   (in thousands)
Collaboration revenue CSL Behring    $     1,436     $      -     $       1,436
Collaboration revenue BMS                    356          454              (98)
Total revenues                       $     1,792     $    454     $       1,338


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Research and development expenses

Research and development expenses for the three months ended March 31, 2022 were $45.0 million, compared to $32.7 million for the same period in 2021. Other research and development expenses are separately classified in the table below. These other expenses are not allocated as they are deployed across multiple projects under development.



                                                            Three months ended March 31,
                                                       2022               2021       2022 vs 2021
                                                                    (in thousands)
Huntington's disease (AMT-130)                      $     5,217         $   1,971   $        3,246
Programs in preclinical development and platform
related expenses                                          4,552             2,289            2,263
Etranacogene dezaparvovec (AMT-060/061)                     418             3,647          (3,229)

Total direct research and development expenses $ 10,187 $ 7,907 $ 2,280



Employee and contractor-related expenses                 16,164            11,595            4,569
Facility expenses                                         5,299             4,624              675
Disposables                                               4,533             3,344            1,189
Share-based compensation expense                          4,054             2,679            1,375
Other expenses                                            2,562             2,507               55
Fair value changes related to contingent
consideration                                             2,204                 -            2,204

Total other research and development expenses $ 34,816 $ 24,749 $ 10,067



Total research and development expenses             $    45,003         $  32,656   $       12,347

Direct research and development expenses

Huntington disease (AMT-130)

In the three months ended March 31, 2022, and March 31, 2021, our external costs for the development of AMT-130 were primarily related to the execution of our Phase I/II clinical trial in the United States. The costs incurred for the three months ended March 31, 2022 also included costs related to our Phase I/IIb clinical trial in Europe.

Preclinical programs & platform development

In the three months ended March 31, 2022, we incurred $4.6 million of costs primarily related to our preclinical activities associated with product candidates for the treatment of Fabry disease (AMT-191) and temporal lobe epilepsy (AMT-260), as well as various other research programs and technology innovation projects.

In the three months ended March 31, 2021, we incurred $2.3 million of costs primarily related to our preclinical activities primarily associated with product candidates for the treatment of SCA3 (AMT-150) and Fabry disease (AMT-190), as well as various other research programs and technology innovation projects.

Hemophilia B (AMT-060/061)

In the three months ended March 31, 2022 and March 31, 2021, the external costs for our hemophilia B program were primarily related to the execution of our Phase III clinical trial. Up to the Closing of the CSL Behring Agreement in May 2021 we also incurred costs related to the preparation of the global regulatory submissions and for commercialization of the Product. We also incurred costs for Manufacturing Development. After the Closing, CSL Behring is responsible for the clinical and regulatory development and commercialization of the Product, with the Company managing the existing trials on behalf of CSL Behring. Direct research and development expenses related to clinical development incurred in the three months ended March 31, 2022 are presented net of reimbursements due from CSL Behring.



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In the same period in 2021, we also incurred costs related to the long-term follow-up of patients in our Phase I/II clinical trial of AMT-060 and our Phase IIb clinical trial of etranacogene dezaparvovec. Our Phase IIb dose-confirmation study was initiated in January 2018 and dosing occurred in July and August 2018. Patients were dosed as part of our Phase I/II clinical trial of AMT-060 in 2015 and 2016.

Other research & development expenses

We incurred $16.2 million in personnel and contractor related expenses in the ? three months ended March 31, 2022, compared to $11.6 million for the same

period in 2021. The increase was primarily a result of the recruitment of

personnel to support the development of our product candidates;

We incurred $5.3 million in operating expenses and depreciation expenses ? related to our rented facilities in the three months ended March 31, 2022,

compared to $4.6 million in the same period in 2021;

? We incurred $4.5 million in disposable costs compared to $3.3 million for the

same period in 2021;

We incurred $4.1 million in share-based compensation expenses in the three ? months ended March 31, 2022, compared to $2.7 million for the same period in

2021. The increase was primarily a result of an increase in awards granted,

including those to newly recruited personnel;

? We incurred $2.6 million of other expenses for the three months ended March 31,

2022, compared to $2.5 million for the same period in 2021; and

We incurred $2.2 million of expenses in the three months ended March 31, 2022 ? related to an increase in the fair value of contingent consideration associated

with the acquisition of Corlieve Therapeutics SAS ("Corlieve"), compared to nil

for the same period in 2021.

Selling, general and administrative expenses

Selling, general and administrative expenses for the three months ended March 31, 2022 were $11.0 million, compared to $12.4 million for the same period in 2021.

We incurred $4.4 million in personnel and contractor related expenses in the ? three months ended March 31, 2022, compared to $3.9 million in the same period

in 2021. The increase in the three months ended March 31, 2022, relates to the

recruitment of personnel;

We incurred $2.8 million in share-based compensation expenses in the three ? months ended March 31, 2022, compared to $3.1 million in the same period in

2021; and

We incurred $1.1 million in professional fees in the three months ended March

31, 2022, compared to $2.9 million in the same period in 2021. We regularly ? incur accounting, audit and legal fees associated with operating as a public

company. The decrease from the prior period is primarily related to a decrease

in professional fees related to the licensing transaction with CSL Behring.

Other items, net

Other items, net for the periods presented primarily relate to income from the subleasing of our Amsterdam facility and expenses we incur in relation to the subleasing facility.

Other non-operating items, net



Our other non-operating items, net, for the three months ended March 31, 2022
and 2021 were as follows:

                                                    Three months ended March 31,
                                                 2022           2021       2022 vs 2021

                                                            (in thousands)
Interest income                               $        42     $      40    $           2
Interest expense - Hercules long-term debt        (2,515)       (1,551)            (964)
Foreign currency gains, net                         8,567         4,626            3,941
Other non-operating gains                             692             -              692

Total other non-operating income, net $ 6,786 $ 3,115 $ 3,671

We recognize interest income associated with our cash and cash equivalents.

We hold monetary items and enter into transactions in foreign currencies, predominantly in euros and U.S. dollars. We recognize foreign exchange results related to changes in these foreign currencies.



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We recognize fair value changes related to the derivative financial liability related to a contingent payment due to BMS upon the consummation of a change of control transaction ("CoC-payment") as described elsewhere in this Quarterly Report on Form 10-Q.

We recognized a net foreign currency gain, related to our borrowings from Hercules and our cash and cash equivalents as well as loans between entities within the uniQure group, of $8.6 million during the three months ended March 31, 2022, compared to a net gain of $4.6 million during the same period in 2021.

Income tax benefit / (expense)

We recognized $0.6 million of deferred tax benefit in the three months ended March 31, 2022, and $0.2 million of deferred tax expense for the same period in 2021.

Financial Position, Liquidity and Capital Resources

As of March 31, 2022, we had cash, cash equivalents and restricted cash of $528.1 million. Until such time, if ever, as we can generate substantial cash flows from successfully commercializing our proprietary product candidates, we expect to finance our cash needs through a combination of equity offerings, debt financings, collaborations, strategic alliances and marketing, distribution, and licensing arrangements. We believe that our cash and cash equivalents will fund our operations into the first half of 2025 assuming the achievement of $175.0 million of first commercial sales milestones under the CSL Behring Agreement. Our material cash requirements include the following contractual and other obligations:

Debt

As of March 31, 2022, we had an outstanding loan amount owed to Hercules Capital, Inc. ("Hercules") for an aggregate principal amount of $100.0 million, with $8.3 million payable within 12 months. Future interest payments and financing fees associated with the loan total $34.5 million, with $8.3 million payable within 12 months. We are contractually required to repay the $100.0 million in equal installments between December 2024 and December 2025 or in full in December 2025 if, prior to June 30, 2024, either (a) the Biologics License Application ("BLA") for AMT-061 is approved by the FDA or (b) AMT-130 is advanced into a pivotal trial.

Leases

We entered into lease arrangements for facilities, including corporate, manufacturing and office space. As of March 31, 2022, we had fixed lease payment obligations of $63.3 million, with $7.0 million payable within 12 months. The fixed lease payment obligations include payments owed under signed lease arrangements that are expected to commence in 2022.

Commitments related to Corlieve acquisition (nominal amounts)

In relation to the Corlieve acquisition, we entered into commitments to make payments to the former shareholders upon the achievement of certain contractual milestones. The commitments include payments related to post-acquisition services that we agreed to as part of the Stock Purchase Agreement between the Company and Corlieve ("SPA"). As of March 31, 2022, our commitment amount is $223.7 million. The timing of achieving these milestones and consequently the timing of payments, as well as whether the milestone will be achieved at all, is generally uncertain with the exception of a payment we made in February 2022 to acquire the remaining outstanding shares as well as certain payments for post-acquisition services in 2022. These payments are owed in Euro and have been translated at the foreign exchange rate as of March 31, 2022, of $1.11/€1.00. As of March 31, 2022, we expect these obligations will become payable between 2022 and 2031. If and when due, up to 25% of the milestone payments can be settled with our ordinary shares.



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Commitments related to licensors and financial advisors

We have obligations to make future payments to third parties that become due and payable on the achievement of certain development, regulatory and commercial milestones (such as the start of a clinical trial, filing of a BLA, approval by the FDA or product launch) or as a result of collecting payments related to our License Sale to CSL Behring. We also owe payments to a financial advisor related to any payments we will collect under the CSL Behring Agreement.



The table below summarizes our consolidated cash flow data for the three months
ended:

                                                               Three months ended March 31,
                                                                 2022                2021
                                                                      (in thousands)
Cash, cash equivalents and restricted cash at the
beginning of the period                                     $       559,353     $       247,680
Net cash used in operating activities                              (25,711)            (41,273)
Net cash used in investing activities                               (4,880)             (3,876)
Net cash generated from financing activities                            485              62,618
Foreign exchange impact                                             (1,168)             (1,620)

Cash, cash equivalents and restricted cash at the end of period

$       528,079     $       263,529

We had previously incurred losses and cumulative negative cash flows from operations since our business was founded by our predecessor entity AMT Therapeutics ("AMT") Holding N.V. in 1998, with the exception of generating income in 2021 after receiving the upfront payment upon Closing of the CSL Behring Agreement. We continue to incur losses in the current period. We recorded a net loss of $46.7 million in the three months ended March 31, 2022, compared to a net loss of $41.6 million during the same periods in 2021. As of March 31, 2022, we had an accumulated deficit of $501.8 million.

Sources of liquidity

From our first institutional venture capital financing in 2006 through May 2021, we funded our operations primarily through private and public placements of equity securities and convertible and other debt securities as well as payments from our collaboration partners. In May 2021, we received a $462.4 million cash payment due from CSL Behring upon Closing. We have collected $55.0 million related to CSL Behring's global regulatory submissions for etranacogene dezaparvovec in March and April 2022 and are eligible to receive additional milestone payments, as well as royalties on net sales from CSL Behring.

On March 1, 2021, we entered into a Sales Agreement with SVB Leerink LLC ("SVB Leerink") with respect to an at the market ("ATM") offering program, under which we may, from time to time in our sole discretion, offer and sell through SVB Leerink, acting as agent, our ordinary shares, up to an aggregate offering price of $200.0 million. We will pay SVB Leerink a commission equal to 3% of the gross proceeds of the sales price of all ordinary shares sold through it as a sales agent under the Sales Agreement. In the year ended December 30, 2021, we received net proceeds of $29.6 million from the issuance of 921,730 ordinary shares that took place during March and April of last year.

On January 29, 2021, we drew down $35 million under our 2021 amendment ("2021 Amended Facility") with Hercules. We drew down a further $30 million under our December 2021 amendment ("2021 Restated Facility") with Hercules in December 2021.

We are subject to certain covenants under our 2021 Restated Facility and may become subject to covenants under any future indebtedness that could limit our ability to take specific actions, such as incurring additional debt, making capital expenditures, or declaring dividends, which could adversely impact our ability to conduct our business. In addition, our pledge of assets as collateral to secure our obligations under the 2021 Restated Facility may limit our ability to obtain debt financing. The 2021 Restated Facility permits us to issue up to $500.0 million of convertible debt as well as to enter into a transaction to sell the royalties under the CSL Behring agreement subject to certain conditions.



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To the extent we need to finance our cash needs through equity offerings or debt financings, such financing may be subject to unfavorable terms including without limitation, the negotiation and execution of definitive documentation, as well as credit and debt market conditions, and we may not be able to obtain such financing on terms acceptable to us or at all. If financing is not available when needed, including through debt or equity financings, or is available only on unfavorable terms, we may be unable to meet our cash needs. If we raise additional funds through collaborations, strategic alliances or marketing, distribution, or licensing arrangements with third parties, we may have to relinquish valuable rights to our technologies, future revenue streams or product candidates or grant licenses on terms that may not be favorable to us. If we are unable to raise additional funds through equity or debt financings when needed, we may be required to delay, limit, reduce or terminate our product development or future commercialization efforts or grant rights to develop and market product candidates that we would otherwise prefer to develop and market ourselves, which could have a material adverse effect on our business, financial conditions, results of operations and cash flows.

Net Cash used in operating activities

Net cash used in operating activities was $25.7 million for the three months ended March 31, 2022 and consisted of net loss of $46.7 million adjusted for non-cash items, including depreciation and amortization expense of $2.1 million, share-based compensation expense of $6.9 million, changes in the fair value of contingent consideration and the derivative financial liability of $1.5 million, unrealized foreign exchange gains of $7.4 million and a change in deferred taxes of $0.6 million. Net cash generated from operating activities also included favorable changes in operating assets and liabilities of $18.4 million. There was a net decrease in accounts receivable and contract asset, prepaid expenses, and other current assets and receivables of $17.2 million, primarily related to the collection of $20.0 million of the contract asset related to CSL milestones of $55.0 million in March 2022. These changes also relate to a net increase in accounts payable, accrued expenses, other liabilities, and operating leases of $1.2 million.

Net cash used in operating activities was $41.3 million for the three months ended March 31, 2021 and consisted of a net loss of $41.6 million adjusted for non-cash items, including depreciation and amortization expense of $1.9 million, share-based compensation expense of $5.8 million, unrealized foreign exchange gains of $5.3 million and deferred tax expense of $0.2 million. Net cash used in operating activities also included unfavorable changes in operating assets and liabilities of $2.2 million. These changes primarily related to a net increase in accounts receivable, prepaid expenses, and other current assets and receivables of $8.0 million primarily related to the increase in a contract asset and receivable recorded for CSL expenses to be reimbursed as well as an increase in various prepayments for the year and a net increase in accounts payable, accrued expenses, other liabilities, and operating leases of $5.8 million primarily related to an increase in contract liability for CSL expenses to be reimbursed and an increase in accruals for services provided by vendors not yet billed offset by the pay-out of employee bonuses.

Net cash used in investing activities

In the three months ended March 31, 2022, we used $4.9 million in our investing activities compared to $3.9 million for the same period in 2021.



                                                               Three months ended March 31,
                                                                 2022                 2021
                                                                       (in thousands)
Build out of Amsterdam site                                 $       (3,740)              (2,416)
Build out of Lexington site                                           (318)              (1,460)

Acquisition of remaining outstanding ordinary shares related to Corlieve acquisition

                                       (822)                    -
Total investments                                           $       (4,880)      $       (3,876)

The build out of the Amsterdam site consumed $3.7 million cash during the three months ended March 31, 2022, compared to $2.4 million for the same period in 2021. The increase is a result of additional investments to support the expansions of our research and development activities.



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Net cash generated from financing activities

In the three months ended March 31, 2022, we generated $0.5 million in our financing activities compared to $62.6 million for the same period in 2021.



                                                                 Three months ended March 31,
                                                                 2022                   2021

                                                                         (in thousands)

Cash flows from financing activities Proceeds from issuance of shares related to employee stock option and purchase plans

$       485          $           442
Proceeds from loan increment, net of debt issuance costs                -                   34,603
Proceeds from issuance of ordinary shares, net of
issuance costs                                                          -                   27,573
Net cash generated from financing activities                  $       485          $        62,618

During the three months ended March 31, 2022, we received $0.5 million from the exercise of options to purchase ordinary shares in relation to our share incentive plans compared to $0.4 million for the same period in 2021.

In January 2021, we received $34.6 million net proceeds from the Hercules 2021 Amended Facility (nil for same period in 2022).

We received net proceeds of $27.6 million associated with our ATM offering in March 2021 (nil for same period in 2022).

Funding requirements

Our future capital requirements will depend on many factors, including but not limited to:

achieving the first commercial sales milestones and royalties as defined within

the CSL Behring Agreement. Achieving the first commercial sales milestones

? amongst others are subject to CSL Behring obtaining required regulatory

approvals, including MAA approval from the EMA, BLA approval from the FDA, and

approval of a diagnostic test for neutralizing antibodies from the FDA;

? the payment of milestone payments that we might owe to former shareholders of

Corlieve;

the repayments of the principal amount of our venture debt loan with Hercules,

which following the December 15, 2021 amendment will be due in equal

? installments between December 2024 and December 2025 or in full in December

2025 if, prior to June 30, 2024, either (a) the BLA for AMT-061 is approved by

the FDA or (b) AMT-130 is advanced into a pivotal trial;

? the scope, timing, results, and costs of our current and planned clinical

trials, including those for AMT-130 in Huntington's disease;

? the extent to which we acquire or in-license other businesses, products,

product candidates or technologies;

the amount and timing of revenue, if any, we receive from commercial sales of

? any product candidates for which we, or our collaboration partner, receives

marketing approval in the future;

? the amount and timing of revenue, if any, we receive from manufacturing

products for CSL Behring;

? the scope, timing, results and costs of preclinical development and laboratory

testing of our additional product candidates;

? the need for additional resources and related recruitment costs to support the

preclinical and clinical development of our product candidates;

the need for any additional tests, studies, or trials beyond those originally

? anticipated to confirm the safety or efficacy of our product candidates and

technologies;

? the cost, timing and outcome of regulatory reviews associated with our product

candidates;

? our ability to enter into collaboration arrangements in the future;

the costs and timing of preparing, filing, expanding, acquiring, licensing,

? maintaining, enforcing, and prosecuting patents and patent applications, as

well as defending any intellectual property-related claims;

the costs associated with maintaining quality compliance and optimizing our

? manufacturing processes, including the operating costs associated with our

Lexington, Massachusetts manufacturing facility; and

? the costs associated with increasing the scale and capacity of our

manufacturing capabilities.




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