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Orchard Therapeutics plc

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Employees 201-500
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FY2021 Annual Report · Orchard Therapeutics plc
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262883 Orchard Annual Report COVER.qxp  26/04/2022  19:22  Page 2

Orchard Therapeutics plc 

Annual Report and Financial Statements  
for the Year Ended 31 December 2021 

Registered Number: 11494381  

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UK FINANCIAL DOCUMENTS 

INTRODUCTION AND CONTENTS 
Orchard Therapeutics plc (the “Company” or the “Parent Company”) is a public limited company 
incorporated under the laws of  England and Wales and is listed on the Nasdaq Global Select Market. 
This section therefore covers the requirements for being a quoted company under the UK Companies 
Act 2006, as follows: 

(cid:129) Company Information

(cid:129) Certain note disclosures relevant to the Group financial statements

(cid:129)

Independent auditors’ reports to the members of  Orchard Therapeutics plc

(cid:129) Statement of  Directors’ Responsibilities in Respect of  the Financial Statements

(cid:129) UK Statutory Strategic Report

(cid:129) UK Statutory Directors’ Report

(cid:129) Directors’ Remuneration Report

(cid:129) Orchard Therapeutics plc Parent Company Financial Statements

(cid:129) Orchard Therapeutics plc Consolidated Financial Statements

Page 

2 

3 

4 

16 

18 

72 

76 

107 

119 

Orchard Therapeutics plc  1

 
 
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Directors

COMPANY INFORMATION 

James Geraghty, Chair of  the Board of  Directors 
Steven Altschuler 
Joanne Beck 
John Curnutte 
Marc Dunoyer 
Jon Ellis (Resigned 16 June 2021) 
Hubert Gaspar 
Charles Rowland 
Alicia Secor 

Secretary

Christopher York 

Registered Office

108 Cannon Street 
London EC4N 6EU  
United Kingdom 

Company Number

11494381 

Independent Auditors

PricewaterhouseCoopers LLP  
40 Clarendon Road 
Watford WD17 1JJ 
United Kingdom 

2  Orchard Therapeutics plc 

 
 
 
 
 
 
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CERTAIN NOTE DISCLOSURES RELEVANT TO THE 
GROUP FINANCIAL STATEMENTS

Basis of Preparation 
The consolidated financial statements have been prepared in accordance with accounting principles 
generally  accepted  in  the  United  States  of   America  (“U.S.  GAAP”),  as  permitted  by  Statutory 
Instrument 2015 No. 1675, “The Accounting Standards (Prescribed Bodies) (United States of  America 
and Japan) Regulations 2015” and in accordance with the UK Companies Act 2006. The consolidated 
financial statements comprise both the consolidated financial statements of  Orchard Therapeutics 
plc on Form 10-K from page 119 onwards, and the certain note disclosures relevant to the Group 
financial statements on this page. 

UK Statutory Disclosure Requirements 
(i) Monthly average number of people employed 
                                                                                                                                                              Number of People 

Group                                                                                                                                                2021                      2020 

UK                                                                                                                               146                    125 
Offshore                                                                                                                        92                    125 
Total employees                                                                                                          238                    250 

The monthly average number of  people employed by the Parent Company (including Directors) in 
2021 was 7 (2020: 8), which is comprised solely of  the Directors of  the Company. 

(ii) Employee costs (in thousands) 
                                                                                                                                                          2021                      2020 
Group                                                                                                                                           ($ USD)                 ($ USD) 

Salaries and bonuses                                                                                            43,804               49,242 
Share-based compensation expense                                                                    22,536               27,971 
Benefits                                                                                                                    2,419                 3,271 
Defined contribution scheme contributions                                                             1,736                 1,656 
Social insurance and social security costs                                                             3,209                 4,951 
Total employee costs                                                                                             73,704               87,091 

The Parent Company does not have any employees. During fiscal year 2021, the Parent Company 
had $1,751k in share-based compensation expense associated with equity awards granted to Non-
Executive Directors (2020: $2,661k). 

(iii) Auditors’ remuneration 
During the year the Group obtained the following services from the Company’s auditors (in thousands): 
                                                                                                                                                          2021                      2020 
Group                                                                                                                                           ($ USD)                 ($ USD) 

Fees payable to the Company’s auditors for the audit of  the Company  
and consolidated financial statements for the year ended December 31              1,233                 1,199 
Audit-related assurance services                                                                               118                    222 
Accounting research tool subscriptions                                                                         5                        3 
Total fees paid to PricewaterhouseCoopers LLP                                                     1,356                 1,424 

PricewaterhouseCoopers LLP (“PwC”) has been the Group’s auditors beginning in fiscal year 2016. PwC 
operates procedures to safeguard against the possibility of  its objectivity and independence being 
compromised. This includes PwC’s use of  quality review partners, consultation with internal compliance 
teams and carrying out an annual independence procedure. PwC reports to the Audit Committee of  the 
Company’s Board of  Directors (the “Audit Committee”) on matters including independence and non-
audit fees on an annual basis. The PwC audit partner changes every five years. The amount charged by 
the external auditors for the provision of  services during the twelve-month period under review is set 
forth  above.  The  Audit  Committee  assesses  PwC’s  performance  and  is  comfortable  that  PwC  has 
operated effectively during the twelve-month period under review. Resolutions to reappoint PwC as the 
Group’s auditors will be put to shareholders at the Company’s 2022 Annual General Meeting (“AGM”).

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INDEPENDENT AUDITORS’ REPORT TO THE 
MEMBERS OF ORCHARD THERAPEUTICS PLC

Report on the audit of the group financial statements 
Opinion 
In our opinion, Orchard Therapeutics plc’s group financial statements: 

(cid:129) give a true and fair view of  the state of  the group’s affairs as at 31 December 2021 and of  its 

loss and cash flows for the year then ended; 

(cid:129)

(cid:129)

have been properly prepared in accordance with United States Generally Accepted Accounting 
Principles (US GAAP); and 

have been prepared in accordance with the requirements of  the Companies Act 2006. 

We have audited the financial statements, included within the Annual Report and Financial Statements 
(the “Annual Report”), which comprise: the Consolidated Balance Sheet as at 31 December 2021; 
the Consolidated Statement of  Operations and Comprehensive Loss, the Consolidated Statement of  
Shareholders’ Equity, and the Consolidated Statement of  Cash Flows for the year then ended; and 
the  notes  to  the  financial  statements,  which  include  a  description  of   the  significant  accounting 
policies. 

Basis for opinion 
We conducted our audit in accordance with International Standards on Auditing (UK) (“ISAs (UK)”) 
and  applicable  law.  Our  responsibilities  under  ISAs  (UK)  are  further  described  in  the  Auditors’ 
responsibilities for the audit of  the financial statements section of  our report. We believe that the audit 
evidence we have obtained is sufficient and appropriate to provide a basis for our opinion. 

Independence 
We remained independent of  the group in accordance with the ethical requirements that are relevant 
to our audit of  the financial statements in the UK, which includes the FRC’s Ethical Standard, as 
applicable to listed entities, and we have fulfilled our other ethical responsibilities in accordance with 
these requirements. 

Our audit approach 
Overview 
Audit scope 
(cid:129) Of  the group’s eight components, we identified three which, in our view, required an audit of  their 
complete financial information, either due to their size or their risk characteristics. In addition to 
the  full  scope  audits,  specific  audit  procedures  were  performed  on  selected  consolidation 
adjustments made in relation to individually significant balances. This, together with additional 
procedures performed at group level, gave us the evidence we needed. 

(cid:129)

For  our  opinion  of   the  group  as  a  whole,  the  components  where  we  performed  audit  work 
accounted for 99.4% of  group assets and 93.3% of  the group loss. 

Key audit matters 
(cid:129) Orchard Therapeutics (Europe) Limited Research & Development Tax Credit Receivable 

Materiality 
(cid:129) Overall materiality: US$7,250,000 (2020: US$8,000,000) based on 5% of  loss before tax. 

(cid:129) Performance materiality: US$5,400,000 (2020: US$6,000,000). 

The scope of  our audit 
As  part  of   designing  our  audit,  we  determined  materiality  and  assessed  the  risks  of   material 
misstatement in the financial statements. 

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INDEPENDENT AUDITORS’ REPORT TO THE 
MEMBERS OF ORCHARD THERAPEUTICS PLC 
continued 

Key audit matters 
Key audit matters are those matters that, in the auditors’ professional judgement, were of  most 
significance  in  the  audit  of   the  financial  statements  of   the  current  period  and  include  the  most 
significant assessed risks of  material misstatement (whether or not due to fraud) identified by the 
auditors, including those which had the greatest effect on: the overall audit strategy; the allocation 
of  resources in the audit; and directing the efforts of  the engagement team. These matters, and any 
comments we make on the results of  our procedures thereon, were addressed in the context of  our 
audit of  the financial statements as a whole, and in forming our opinion thereon, and we do not 
provide a separate opinion on these matters. 

This is not a complete list of  all risks identified by our audit. 

Impact of  Covid-19, which was a key audit matter last year, is no longer included because the impact 
of  Covid-19 on the Group has significantly reduced in the year. Otherwise, the key audit matter below 
is consistent with last year. 

Key audit matter                                                      How our audit addressed the key audit matter 

Orchard Therapeutics (Europe) Limited Research 
& Development Tax Credit Receivable 
research  and 
The  Company  carries  out 
development  activities  and  submits  tax  credit 
claims  under  one  of   two  U.K.  research  and 
development tax relief  programs: either the Small 
and  Medium-sized  Enterprises  research  and 
development  tax  relief   (“SME”)  program  or  the 
Research  and  Development  Expenditure  Credit 
(“RDEC”)  program.  Each  year  management 
evaluates which tax credit program the Company 
is  expected  to  be  eligible  for  and  records  a 
reduction to research and development expense 
for the portion of  the expense that it expects to 
qualify for credit under the program and ultimately 
be realised. This requires management to make 
judgments  regarding  whether  the  nature  of   the 
activities and expenditures will qualify for the tax 
credit  and  ultimately  be  realised  based  on  the 
allowable 
criteria 
established by the U.K. government. For the year 
ended  31  December  2021, 
the  Company 
recorded $13.9 million as a reduction of  research 
and  development  expense  related  to  these 
programs and has a related tax credit receivable 
of  $30.7 million as of  31 December 2021. There is 
therefore a risk that the Company may recognize 
an excessively high tax credit receivable due to 
overestimating the amount of  eligible expenditure, 
and  that  consequently  not  all  of   the  related  tax 
credit receivable is recoverable.

reimbursable 

expense 

We have performed the following procedures to 
address the key audit matter: 

– Obtained management’s detailed calculation, 
reconciled this to the trial balance and tested 
for mathematical accuracy. 

–

–

Tested a sample of  expenses included in the 
claim, including staff  costs, consumables, and 
subcontractor  expenses 
to  underlying 
supporting documentation. 

Tested the allocation of  a sample of  expenses 
to  specific  projects,  given  that  this  impacts 
which tax relief  programme the expenses are 
eligible to be claimed under, and also impacts 
the EU State Aid cap calculation. 

– Confirmed that the correct uplifts and tax rates 
are  being  applied  in  the  calculation  using 
HMRC sources. 

– Engaged  with  our  R&D  Tax  specialists  to 
assess  the  estimates  included  within  the 
calculation and the basis on which the claim 
has been prepared, to ensure this is prepared 
in  compliance  with  the  relevant  laws  and 
regulations. 

No exceptions were identified from the procedures 
performed.

Orchard Therapeutics plc  5

 
 
 
 
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INDEPENDENT AUDITORS’ REPORT TO THE 
MEMBERS OF ORCHARD THERAPEUTICS PLC 
continued 

How we tailored the audit scope 
We tailored the scope of  our audit to ensure that we performed enough work to be able to give an 
opinion on the financial statements as a whole, taking into account the structure of  the group, the 
accounting processes and controls, and the industry in which it operates. 

The group is structured such that the significant majority of  its business is comprised of  two operating 
entities – Orchard Therapeutics (Europe) Limited and Orchard Therapeutics North America, both of  
which were scoped as significant components. We also performed a full scope audit of  Orchard 
Therapeutics plc, as the ultimate parent company in the group. The consolidated financial statements 
are  a  consolidation  of   eight  components,  comprising  the  group’s  operating  subsidiaries  and 
centralised functions, which are based throughout the UK, US and Europe. 

In establishing the overall approach to the audit of  the consolidated financial statements, we relied 
on  the  work  performed  by  PwC  US  over  Orchard  Therapeutics  North  America  and  Orchard 
Therapeutics plc, along with certain procedures over Orchard Therapeutics (Europe) Limited, in 
addition to the work performed by PwC UK over Orchard Therapeutics (Europe) Limited and the 
consolidation. We have directed, supervised and reviewed the work of  PwC US throughout the audit 
and maintained regular communication via video calls and email, given that international travel has 
been restricted throughout the Covid-19 pandemic. 

Materiality 
The scope of  our audit was influenced by our application of  materiality. We set certain quantitative 
thresholds for materiality. These, together with qualitative considerations, helped us to determine the 
scope of  our audit and the nature, timing and extent of  our audit procedures on the individual financial 
statement line items and disclosures and in evaluating the effect of  misstatements, both individually 
and in aggregate on the financial statements as a whole. 

Based on our professional judgement, we determined materiality for the financial statements as a 
whole as follows: 

Overall group materiality

US$7,250,000 (2020: US$8,000,000). 

How we determined it

5% of  loss before tax 

Rationale for benchmark applied The group is loss making, as expected given its status as an early 
stage  biotech  with  only  two  very  early  stage  commercialised 
products.  As  such,  loss  before  tax  is  deemed  to  be  the  most 
appropriate benchmark on which to calculate materiality, as this 
is  the  metric  on  which  the  group’s  financial  performance  is 
assessed. 

For each component in the scope of  our group audit, we allocated a materiality that is less than our 
overall group materiality. The range of  materiality allocated across components was $6.3 million to 
$6.7 million. Certain components were audited to a local statutory audit materiality that was also less 
than our overall group materiality. 

We  use  performance  materiality  to  reduce  to  an  appropriately  low  level  the  probability  that  the 
aggregate of  uncorrected and undetected misstatements exceeds overall materiality. Specifically, 
we use performance materiality in determining the scope of  our audit and the nature and extent of  
our testing of  account balances, classes of  transactions and disclosures, for example in determining 
sample sizes. Our performance materiality was 75% (2020: 75%) of  overall materiality, amounting to 
US$5,400,000 (2020: US$6,000,000) for the group financial statements. 

In determining the performance materiality, we considered a number of  factors – the history of  
misstatements,  risk  assessment  and  aggregation  risk  and  the  effectiveness  of   controls  –  and 
concluded that an amount in the middle of  our normal range was appropriate. 

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INDEPENDENT AUDITORS’ REPORT TO THE 
MEMBERS OF ORCHARD THERAPEUTICS PLC 
continued 

We agreed with those charged with governance that we would report to them misstatements identified 
during our audit above $360,000 (2020: $400,000) as well as misstatements below that amount that, 
in our view, warranted reporting for qualitative reasons. 

Conclusions relating to going concern 
Our evaluation of  the directors’ assessment of  the group’s ability to continue to adopt the going 
concern basis of  accounting included: 

(cid:129) Assessing management’s latest cash flow forecast, in which we have assessed the forecasts for 
reasonableness,  understanding 
the  planned  cash  outflows/inflows  and  considering 
management’s previous ability to forecast accurately. We also note that a significant proportion 
of  planned expenditure remains under management’s control for the foreseeable future, therefore 
if  cash were to run short, management have a number of  options under which discretionary 
expenditure could be reduced. 

Based on the work we have performed, we have not identified any material uncertainties relating to 
events or conditions that, individually or collectively, may cast significant doubt on the group’s ability 
to  continue  as  a  going  concern  for  a  period  of   at  least  twelve  months  from  when  the  financial 
statements are authorised for issue. 

In auditing the financial statements, we have concluded that the directors’ use of  the going concern 
basis of  accounting in the preparation of  the financial statements is appropriate. 

However,  because  not  all  future  events  or  conditions  can  be  predicted,  this  conclusion  is  not  a 
guarantee as to the group’s ability to continue as a going concern. 

Our  responsibilities  and  the  responsibilities  of   the  directors  with  respect  to  going  concern  are 
described in the relevant sections of  this report. 

Reporting on other information 
The other information comprises all of  the information in the Annual Report other than the financial 
statements and our auditors’ report thereon. The directors are responsible for the other information. 
Our opinion on the financial statements does not cover the other information and, accordingly, we do 
not express an audit opinion or, except to the extent otherwise explicitly stated in this report, any form 
of  assurance thereon. 

In  connection  with  our  audit  of   the  financial  statements,  our  responsibility  is  to  read  the  other 
information and, in doing so, consider whether the other information is materially inconsistent with 
the financial statements or our knowledge obtained in the audit, or otherwise appears to be materially 
misstated. If  we identify an apparent material inconsistency or material misstatement, we are required 
to  perform  procedures  to  conclude  whether  there  is  a  material  misstatement  of   the  financial 
statements  or  a  material  misstatement  of   the  other  information.  If,  based  on  the  work  we  have 
performed,  we  conclude  that  there  is  a  material  misstatement  of   this  other  information,  we  are 
required to report that fact. We have nothing to report based on these responsibilities. 

With  respect  to  the  UK  Statutory  Strategic  report  and  UK  Statutory  Directors’  Report,  we  also 
considered whether the disclosures required by the UK Companies Act 2006 have been included. 

Based on our work undertaken in the course of  the audit, the Companies Act 2006 requires us also 
to report certain opinions and matters as described below. 

UK Statutory Strategic report and UK Statutory Directors’ Report 
In our opinion, based on the work undertaken in the course of  the audit, the information given in the 
UK Statutory Strategic report and UK Statutory Directors’ Report for the year ended 31 December 
2021 is consistent with the financial statements and has been prepared in accordance with applicable 
legal requirements. 

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INDEPENDENT AUDITORS’ REPORT TO THE 
MEMBERS OF ORCHARD THERAPEUTICS PLC 
continued 

In light of  the knowledge and understanding of  the group and its environment obtained in the course 
of  the audit, we did not identify any material misstatements in the UK Statutory Strategic report and 
UK Statutory Directors’ Report. 

Responsibilities for the financial statements and the audit 
Responsibilities of  the directors for the financial statements 
As explained more fully in the Statement of  directors’ responsibilities in respect of  the financial 
statements, the directors are responsible for the preparation of  the financial statements in accordance 
with the applicable framework and for being satisfied that they give a true and fair view. The directors 
are also responsible for such internal control as they determine is necessary to enable the preparation 
of  financial statements that are free from material misstatement, whether due to fraud or error. 

In preparing the financial statements, the directors are responsible for assessing the group’s ability 
to continue as a going concern, disclosing, as applicable, matters related to going concern and 
using the going concern basis of  accounting unless the directors either intend to liquidate the group 
or to cease operations, or have no realistic alternative but to do so. 

Auditors’ responsibilities for the audit of  the financial statements 
Our objectives are to obtain reasonable assurance about whether the financial statements as a whole 
are free from material misstatement, whether due to fraud or error, and to issue an auditors’ report 
that includes our opinion. Reasonable assurance is a high level of  assurance, but is not a guarantee 
that an audit conducted in accordance with ISAs (UK) will always detect a material misstatement 
when it exists. Misstatements can arise from fraud or error and are considered material if, individually 
or in the aggregate, they could reasonably be expected to influence the economic decisions of  users 
taken on the basis of  these financial statements. 

Irregularities, including fraud, are instances of  non-compliance with laws and regulations. We design 
procedures in line with our responsibilities, outlined above, to detect material misstatements in respect 
of   irregularities,  including  fraud.  The  extent  to  which  our  procedures  are  capable  of   detecting 
irregularities, including fraud, is detailed below. 

Based on our understanding of  the group and industry, we identified that the principal risks of  non-
compliance with laws and regulations related to patent protection, data privacy, product safety and 
clinical regulatory compliance, and we considered the extent to which non-compliance might have 
a material effect on the financial statements. We also considered those laws and regulations that 
have a direct impact on the financial statements such as the Companies Act 2006. We evaluated 
management’s incentives and opportunities for fraudulent manipulation of  the financial statements 
(including the risk of  override of  controls), and determined that the principal risks were related to 
misappropriation  of   cash  and  potential  management  bias  in  accounting  estimates.  The  group 
engagement team shared this risk assessment with the component auditors so that they could include 
appropriate audit procedures in response to such risks in their work. Audit procedures performed 
by the group engagement team and/or component auditors included: 

(cid:129) Discussions with management and internal legal counsel including consideration of  known or 

suspected instances of  non-compliance with laws and regulations and fraud. 

(cid:129) Review of  minutes of  meetings with the Board of  Directors. 

(cid:129) Obtaining direct confirmation from the third party contract research organisation (CRO) around 

the clinical trials being performed on behalf  of  the company. 

(cid:129)

Identifying and testing journal entries, in particular any journal entries posted with unusual account 
combinations impacting cash. 

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INDEPENDENT AUDITORS’ REPORT TO THE 
MEMBERS OF ORCHARD THERAPEUTICS PLC 
continued 

(cid:129) Challenging assumptions made by management in their significant accounting estimates, in 
particular in relation to the research and development tax credit receivable, and balances held 
with CROs. 

There are inherent limitations in the audit procedures described above. We are less likely to become 
aware of  instances of  non-compliance with laws and regulations that are not closely related to events 
and  transactions  reflected  in  the  financial  statements.  Also,  the  risk  of   not  detecting  a  material 
misstatement due to fraud is higher than the risk of  not detecting one resulting from error, as fraud 
may involve deliberate concealment by, for example, forgery or intentional misrepresentations, or 
through collusion. 

Our audit testing might include testing complete populations of  certain transactions and balances, 
possibly using data auditing techniques. However, it typically involves selecting a limited number of  
items for testing, rather than testing complete populations. We will often seek to target particular items 
for testing based on their size or risk characteristics. In other cases, we will use audit sampling to 
enable us to draw a conclusion about the population from which the sample is selected. 

A further description of  our responsibilities for the audit of  the financial statements is located on the 
FRC’s website at: www.frc.org.uk/auditorsresponsibilities. This description forms part of  our auditors’ 
report. 

Use of  this report 
This report, including the opinions, has been prepared for and only for the company’s members as 
a body in accordance with Chapter 3 of  Part 16 of  the Companies Act 2006 and for no other purpose. 
We do not, in giving these opinions, accept or assume responsibility for any other purpose or to any 
other person to whom this report is shown or into whose hands it may come save where expressly 
agreed by our prior consent in writing. 

Other required reporting 
Companies Act 2006 exception reporting 
Under the Companies Act 2006 we are required to report to you if, in our opinion: 

(cid:129) we have not obtained all the information and explanations we require for our audit; or 

(cid:129)

certain disclosures of  directors’ remuneration specified by law are not made. 

We have no exceptions to report arising from this responsibility. 

Other matter 
We have reported separately on the company financial statements of  Orchard Therapeutics plc for 
the year ended 31 December 2021 and on the information in the Directors’ Remuneration Report that 
is described as having been audited. 

Katherine Birch-Evans (Senior Statutory Auditor) 
for and on behalf  of  PricewaterhouseCoopers LLP 
Chartered Accountants and Statutory Auditors 
Watford 

25 April 2022 

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INDEPENDENT AUDITORS’ REPORT TO THE 
MEMBERS OF ORCHARD THERAPEUTICS PLC 
continued 

Report on the audit of the parent company financial statements 
Opinion 
In our opinion, Orchard Therapeutics plc’s parent company financial statements: 

(cid:129) give a true and fair view of  the state of  the parent company’s affairs as at 31 December 2021 

and of  its loss for the year then ended; 

(cid:129)

have  been  properly  prepared  in  accordance  with  United  Kingdom  Generally  Accepted 
Accounting Practice (United Kingdom Accounting Standards, comprising FRS 102 “The Financial 
Reporting Standard applicable in the UK and Republic of  Ireland”, and applicable law); and 

(cid:129)

have been prepared in accordance with the requirements of  the Companies Act 2006. 

We have audited the financial statements, included within the Annual Report and Financial Statements 
(the “Annual Report”), which comprise: the Parent Company Balance Sheet as at 31 December 2021; 
the Parent Company Statement of  Changes in Equity for the year then ended; and the notes to the 
financial statements, which include a description of  the significant accounting policies. 

Basis for opinion 
We conducted our audit in accordance with International Standards on Auditing (UK) (“ISAs (UK)”) 
and  applicable  law.  Our  responsibilities  under  ISAs  (UK)  are  further  described  in  the  Auditors’ 
responsibilities for the audit of  the financial statements section of  our report. We believe that the audit 
evidence we have obtained is sufficient and appropriate to provide a basis for our opinion. 

Independence 
We remained independent of  the parent company in accordance with the ethical requirements that 
are relevant to our audit of  the financial statements in the UK, which includes the FRC’s Ethical 
Standard, as applicable to listed entities, and we have fulfilled our other ethical responsibilities in 
accordance with these requirements. 

Our audit approach 
Overview 
Audit scope 
(cid:129)

The audit comprised only the audit of  Orchard Therapeutics plc. 

Key audit matters 
Valuation of  investment in Orchard Therapeutics (Europe) Limited and recoverability of  intercompany 
receivable 

Materiality 
(cid:129) Overall materiality: US$2,042,000 (2020: US$4,546,000) based on 1% of  total assets. 

(cid:129) Performance materiality: US$1,532,000 (2020: US$3,410,000). 

The scope of  our audit 
As  part  of   designing  our  audit,  we  determined  materiality  and  assessed  the  risks  of   material 
misstatement in the financial statements. 

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262883 Orchard Annual Report pp004-pp017.qxp  26/04/2022  19:23  Page 11

INDEPENDENT AUDITORS’ REPORT TO THE 
MEMBERS OF ORCHARD THERAPEUTICS PLC 
continued 

Key audit matters 
Key audit matters are those matters that, in the auditors’ professional judgement, were of  most 
significance  in  the  audit  of   the  financial  statements  of   the  current  period  and  include  the  most 
significant assessed risks of  material misstatement (whether or not due to fraud) identified by the 
auditors, including those which had the greatest effect on: the overall audit strategy; the allocation 
of  resources in the audit; and directing the efforts of  the engagement team. These matters, and any 
comments we make on the results of  our procedures thereon, were addressed in the context of  our 
audit of  the financial statements as a whole, and in forming our opinion thereon, and we do not 
provide a separate opinion on these matters. 

This is not a complete list of  all risks identified by our audit. 

Impact of  Covid-19, which was a key audit matter last year, is no longer included because the impact 
of  Covid-19 on the Group has significantly reduced in the year. Otherwise, the valuation of  investment 
in Orchard Therapeutics (Europe) Limited element of  the key audit matter below is consistent with 
last year, but the recoverability of  intercompany receivable element is new this year. 

Key audit matter                                                      How our audit addressed the key audit matter 

Valuation of  investment in Orchard Therapeutics 
recoverability  of  
(Europe)  Limited  and 
intercompany receivable 
The parent company holds an investment in its 
subsidiary,  Orchard  Therapeutics 
(Europe) 
Limited, and has an intercompany receivable due 
from this subsidiary. The reduction in the market 
capitalisation  of   Orchard  Therapeutics  plc, 
based  on  the  Group’s  share  price  at  31 
December  2021,  is  an  indicator  of   potential 
impairment  of   both  the  investment  and  the 
intercompany  receivable  held  by  the  parent 
company. The market capitalisation of  the Group 
at 31 December 2021 is below the carrying value 
of  the investment and intercompany receivable 
due from Orchard Therapeutics (Europe) Limited. 

Because of  the uncertainties involved in a value 
in  use  calculation,  management  assessed  the 
market capitalisation of  the Group, adjusted for 
the  parent  company’s  net  assets, 
to  be 
representative  of   the  fair  value  less  costs  of  
disposal  of   the  investment  and  intercompany 
receivable, and therefore the realisable value of  
the  subsidiary.  When  comparing  the  fair  value 
less  costs  to  sell  to  the  carrying  value  of   the 
investment  and  intercompany  receivable  an 
impairment  charge  of   $427m  is  required.  A 
$306m charge has been recognised against the 
investment to impair this to nil, with the remaining 
$121m against the intercompany receivable, to 
impair  this  down  to  the  realisable  value  of   the 
subsidiary.

We  have  performed  the  following  procedures 
over 
impairment  assessment  which 
management have prepared: 

the 

– Assessed management’s impairment model 
and calculation for compliance with UK GAAP 
(FRS 102), including an assessment of  the 
reasonableness of  the fair value less costs of  
disposal 
by 
management. 

approached 

adopted 

– Corroborated  the  inputs  to  the  model  and 
validated  these  to  external  sources  or  our 
audit testing performed in other areas. 

– Recalculated 

the 

impairment 

to  be 
recognised in the year as the excess of  the 
investment  and 
the 
carrying  value  of  
intercompany 
their 
receivable 
recoverable  amounts,  which  is  determined 
using a fair value less costs to sell method. 

over 

– Reviewed  the  disclosures  in  the  financial 

statements. 

The methodology adopted by management and 
the  conclusions  reached  are  deemed  to  be 
reasonable and appropriate.

Orchard Therapeutics plc  11

 
 
 
 
262883 Orchard Annual Report pp004-pp017.qxp  26/04/2022  19:23  Page 12

INDEPENDENT AUDITORS’ REPORT TO THE 
MEMBERS OF ORCHARD THERAPEUTICS PLC 
continued 

How we tailored the audit scope 
We tailored the scope of  our audit to ensure that we performed enough work to be able to give an 
opinion  on  the  financial  statements  as  a  whole,  taking  into  account  the  structure  of   the  parent 
company, the accounting processes and controls, and the industry in which it operates. 

Although the parent company is a UK company, most procedures have been performed by PwC US 
as  component  auditors.  We  have  instructed  PwC  US  to  report  on  the  special  purpose  financial 
information  of   the  parent  company  under  US  GAAP,  and  we  have  performed  testing  on  the 
adjustments posted by management to prepare the parent company financial statements under 
FRS 102. 

Materiality 
The scope of  our audit was influenced by our application of  materiality. We set certain quantitative 
thresholds for materiality. These, together with qualitative considerations, helped us to determine the 
scope of  our audit and the nature, timing and extent of  our audit procedures on the individual financial 
statement line items and disclosures and in evaluating the effect of  misstatements, both individually 
and in aggregate on the financial statements as a whole. 

Based on our professional judgement, we determined materiality for the financial statements as a 
whole as follows: 

Overall parent company materiality US$2,042,000 (2020: US$4,546,000). 

How we determined it

1% of  total assets 

Rationale for benchmark applied

We believe that total assets is the primary measure used by 
the shareholders in assessing the performance and position 
of  the parent company and reflects the parent company’s 
principal activity as a holding company. 

We  use  performance  materiality  to  reduce  to  an  appropriately  low  level  the  probability  that  the 
aggregate of  uncorrected and undetected misstatements exceeds overall materiality. Specifically, 
we use performance materiality in determining the scope of  our audit and the nature and extent of  
our testing of  account balances, classes of  transactions and disclosures, for example in determining 
sample sizes. Our performance materiality was 75% (2020: 75%) of  overall materiality, amounting to 
US$1,532,000 (2020: US$3,410,000) for the parent company financial statements. 

In determining the performance materiality, we considered a number of  factors – the history of  
misstatements,  risk  assessment  and  aggregation  risk  and  the  effectiveness  of   controls  –  and 
concluded that an amount in the middle of  our normal range was appropriate. 

We agreed with those charged with governance that we would report to them misstatements identified 
during our audit above $102,000 (2020: $243,000) as well as misstatements below that amount that, 
in our view, warranted reporting for qualitative reasons. 

12  Orchard Therapeutics plc 

 
262883 Orchard Annual Report pp004-pp017.qxp  26/04/2022  19:23  Page 13

INDEPENDENT AUDITORS’ REPORT TO THE 
MEMBERS OF ORCHARD THERAPEUTICS PLC 
continued 

Conclusions relating to going concern 
Our evaluation of  the directors’ assessment of  the parent company’s ability to continue to adopt the 
going concern basis of  accounting included: 

(cid:129) Assessing management’s latest cash flow forecast, in which we have assessed the forecasts for 
reasonableness,  understanding 
the  planned  cash  outflows/inflows  and  considering 
management’s previous ability to forecast accurately. We also note that a significant proportion 
of  planned expenditure remains under management’s control for the foreseeable future, therefore 
if  cash were to run short, management have a number of  options under which discretionary 
expenditure could be reined back. 

Based on the work we have performed, we have not identified any material uncertainties relating to 
events  or  conditions  that,  individually  or  collectively,  may  cast  significant  doubt  on  the  parent 
company’s ability to continue as a going concern for a period of  at least twelve months from when 
the financial statements are authorised for issue. 

In auditing the financial statements, we have concluded that the directors’ use of  the going concern 
basis of  accounting in the preparation of  the financial statements is appropriate. 

However,  because  not  all  future  events  or  conditions  can  be  predicted,  this  conclusion  is  not  a 
guarantee as to the parent company’s ability to continue as a going concern. 

Our  responsibilities  and  the  responsibilities  of   the  directors  with  respect  to  going  concern  are 
described in the relevant sections of  this report. 

Reporting on other information 
The other information comprises all of  the information in the Annual Report other than the financial 
statements and our auditors’ report thereon. The directors are responsible for the other information. 
Our opinion on the financial statements does not cover the other information and, accordingly, we do 
not express an audit opinion or, except to the extent otherwise explicitly stated in this report, any form 
of  assurance thereon. 

In  connection  with  our  audit  of   the  financial  statements,  our  responsibility  is  to  read  the  other 
information and, in doing so, consider whether the other information is materially inconsistent with 
the financial statements or our knowledge obtained in the audit, or otherwise appears to be materially 
misstated. If  we identify an apparent material inconsistency or material misstatement, we are required 
to  perform  procedures  to  conclude  whether  there  is  a  material  misstatement  of   the  financial 
statements  or  a  material  misstatement  of   the  other  information.  If,  based  on  the  work  we  have 
performed,  we  conclude  that  there  is  a  material  misstatement  of   this  other  information,  we  are 
required to report that fact. We have nothing to report based on these responsibilities. 

With  respect  to  the  UK  Statutory  Strategic  report  and  UK  Statutory  Directors’  Report,  we  also 
considered whether the disclosures required by the UK Companies Act 2006 have been included. 

Based on our work undertaken in the course of  the audit, the Companies Act 2006 requires us also 
to report certain opinions and matters as described below. 

UK Statutory Strategic report and UK Statutory Directors’ Report 
In our opinion, based on the work undertaken in the course of  the audit, the information given in the 
UK Statutory Strategic report and UK Statutory Directors’ Report for the year ended 31 December 
2021 is consistent with the financial statements and has been prepared in accordance with applicable 
legal requirements. 

In light of  the knowledge and understanding of  the parent company and its environment obtained in 
the course of  the audit, we did not identify any material misstatements in the UK Statutory Strategic 
report and UK Statutory Directors’ Report. 

Orchard Therapeutics plc  13

 
262883 Orchard Annual Report pp004-pp017.qxp  26/04/2022  19:23  Page 14

INDEPENDENT AUDITORS’ REPORT TO THE 
MEMBERS OF ORCHARD THERAPEUTICS PLC 
continued 

Directors’ Remuneration 
In our opinion, the part of  the Directors’ Remuneration Report to be audited has been properly 
prepared in accordance with the Companies Act 2006. 

Responsibilities for the financial statements and the audit 
Responsibilities of  the directors for the financial statements 
As explained more fully in the Statement of  directors’ responsibilities in respect of  the financial 
statements, the directors are responsible for the preparation of  the financial statements in accordance 
with the applicable framework and for being satisfied that they give a true and fair view. The directors 
are also responsible for such internal control as they determine is necessary to enable the preparation 
of  financial statements that are free from material misstatement, whether due to fraud or error. 

In  preparing  the  financial  statements,  the  directors  are  responsible  for  assessing  the  parent 
company’s ability to continue as a going concern, disclosing, as applicable, matters related to going 
concern and using the going concern basis of  accounting unless the directors either intend to 
liquidate the parent company or to cease operations, or have no realistic alternative but to do so. 

Auditors’ responsibilities for the audit of  the financial statements 
Our objectives are to obtain reasonable assurance about whether the financial statements as a whole 
are free from material misstatement, whether due to fraud or error, and to issue an auditors’ report 
that includes our opinion. Reasonable assurance is a high level of  assurance, but is not a guarantee 
that an audit conducted in accordance with ISAs (UK) will always detect a material misstatement 
when it exists. Misstatements can arise from fraud or error and are considered material if, individually 
or in the aggregate, they could reasonably be expected to influence the economic decisions of  users 
taken on the basis of  these financial statements. 

Irregularities, including fraud, are instances of  non-compliance with laws and regulations. We design 
procedures in line with our responsibilities, outlined above, to detect material misstatements in respect 
of   irregularities,  including  fraud.  The  extent  to  which  our  procedures  are  capable  of   detecting 
irregularities, including fraud, is detailed below. 

Based on our understanding of  the parent company and industry, we identified that the principal 
risks  of   non-compliance  with  laws  and  regulations  related  to  compliance  with  being  a  UK 
incorporated  company  which  is  listed  in  the  US,  and  we  considered  the  extent  to  which  non-
compliance might have a material effect on the financial statements. We also considered those laws 
and regulations that have a direct impact on the financial statements such as the Companies Act 
2006. We evaluated management’s incentives and opportunities for fraudulent manipulation of  the 
financial statements (including the risk of  override of  controls), and determined that the principal 
risks were related to misappropriation of  cash. Audit procedures performed by the engagement team 
included: 

(cid:129) Discussions with management and internal legal counsel including consideration of  known or 

suspected instances of  non-compliance with laws and regulations and fraud; 

(cid:129) Review of  minutes of  meetings with the Board of  Directors; 

(cid:129)

Identifying and testing journal entries, in particular any journal entries posted with unusual account 
combinations impacting cash. 

There are inherent limitations in the audit procedures described above. We are less likely to become 
aware of  instances of  non-compliance with laws and regulations that are not closely related to events 
and  transactions  reflected  in  the  financial  statements.  Also,  the  risk  of   not  detecting  a  material 
misstatement due to fraud is higher than the risk of  not detecting one resulting from error, as fraud 
may involve deliberate concealment by, for example, forgery or intentional misrepresentations, or 
through collusion. 

14  Orchard Therapeutics plc 

 
262883 Orchard Annual Report pp004-pp017.qxp  26/04/2022  19:23  Page 15

INDEPENDENT AUDITORS’ REPORT TO THE 
MEMBERS OF ORCHARD THERAPEUTICS PLC 
continued 

Our audit testing might include testing complete populations of  certain transactions and balances, 
possibly using data auditing techniques. However, it typically involves selecting a limited number of  
items for testing, rather than testing complete populations. We will often seek to target particular items 
for testing based on their size or risk characteristics. In other cases, we will use audit sampling to 
enable us to draw a conclusion about the population from which the sample is selected. 

A further description of  our responsibilities for the audit of  the financial statements is located on the 
FRC’s website at: www.frc.org.uk/auditorsresponsibilities. This description forms part of  our auditors’ 
report. 

Use of  this report 
This  report,  including  the  opinions,  has  been  prepared  for  and  only  for  the  parent  company’s 
members as a body in accordance with Chapter 3 of  Part 16 of  the Companies Act 2006 and for no 
other purpose. We do not, in giving these opinions, accept or assume responsibility for any other 
purpose or to any other person to whom this report is shown or into whose hands it may come save 
where expressly agreed by our prior consent in writing. 

Other required reporting 
Companies Act 2006 exception reporting 
Under the Companies Act 2006 we are required to report to you if, in our opinion: 

(cid:129) we have not obtained all the information and explanations we require for our audit; or 

(cid:129)

(cid:129)

(cid:129)

adequate accounting records have not been kept by the parent company, or returns adequate 
for our audit have not been received from branches not visited by us; or 

certain disclosures of  directors’ remuneration specified by law are not made; or 

the financial statements and the part of  the Directors’ Remuneration Report to be audited are not 
in agreement with the accounting records and returns. 

We have no exceptions to report arising from this responsibility. 

Other matter 
We have reported separately on the group financial statements of  Orchard Therapeutics plc for the 
year ended 31 December 2021. 

Katherine Birch-Evans (Senior Statutory Auditor) 
for and on behalf  of  PricewaterhouseCoopers LLP 
Chartered Accountants and Statutory Auditors 
Watford 

25 April 2022 

Orchard Therapeutics plc  15

 
 
262883 Orchard Annual Report pp004-pp017.qxp  26/04/2022  19:23  Page 16

STATEMENT OF DIRECTORS’ RESPONSIBILITIES IN 
RESPECT OF THE FINANCIAL STATEMENTS

The  Directors  are  responsible  for  preparing  the  Annual  Report  and  the  financial  statements  in 
accordance with applicable law and regulation. 

Company law requires the Directors to prepare financial statements for each financial year. Under 
that law the Directors have prepared the group financial statements in accordance with United States 
Generally Accepted Accounting Principles (US GAAP) and the parent company financial statements 
in accordance with United Kingdom Generally Accepted Accounting Practice (United Kingdom 
Accounting Standards, comprising FRS 102 “The Financial Reporting Standard applicable in the UK 
and Republic of  Ireland”, and applicable law). 

Under company law, Directors must not approve the financial statements unless they are satisfied 
that they give a true and fair view of  the state of  affairs of  the group and parent company and of  the 
profit or loss of  the group for that period. In preparing the financial statements, the directors are 
required to: 

(cid:129)

(cid:129)

select suitable accounting policies and then apply them consistently; 

state whether applicable accounting policies as issued by United States Generally Accepted 
Accounting Principles (US GAAP) have been followed for the group financial statements and 
United Kingdom Accounting Standards, comprising FRS 102 have been followed for the parent 
company financial statements, subject to any material departures disclosed and explained in the 
financial statements; 

(cid:129) make judgements and accounting estimates that are reasonable and prudent; and 

(cid:129) prepare the financial statements on the going concern basis unless it is inappropriate to presume 

that the group and parent company will continue in business. 

The Directors are responsible for safeguarding the assets of  the group and parent company and 
hence for taking reasonable steps for the prevention and detection of  fraud and other irregularities. 

The Directors are also responsible for keeping adequate accounting records that are sufficient to 
show and explain the group’s and parent company’s transactions and disclose with reasonable 
accuracy at any time the financial position of  the group and parent company and enable them to 
ensure  that  the  financial  statements  and  the  Directors’  Remuneration  Report  comply  with  the 
Companies Act 2006. 

The Directors are responsible for the maintenance and integrity of  the parent company’s website. 
Legislation  in  the  United  Kingdom  governing  the  preparation  and  dissemination  of   financial 
statements may differ from legislation in other jurisdictions. 

16  Orchard Therapeutics plc 

 
262883 Orchard Annual Report pp004-pp017.qxp  26/04/2022  19:23  Page 17

STATEMENT OF DIRECTORS’ RESPONSIBILITIES IN 
RESPECT OF THE FINANCIAL STATEMENTS 
continued 

Directors’ confirmations 
In the case of  each Director in office at the date the Directors’ report is approved: 

(cid:129)

(cid:129)

so far as the Director is aware, there is no relevant audit information of  which the group’s and 
parent company’s auditors are unaware; and 

they  have  taken  all  the  steps  that  they  ought  to  have  taken  as  a  Director  in  order  to  make 
themselves aware of  any relevant audit information and to establish that the group’s and parent 
company’s auditors are aware of  that information. 

Orchard Therapeutics plc  17

 
262883 Orchard Annual Report pp018-pp071.qxp  26/04/2022  19:24  Page 18

UK STATUTORY STRATEGIC REPORT

Introduction 
The  Directors  of   Orchard  Therapeutics  plc  (which  together  may  be  referred  to  as  “Company”, 
“Orchard”, “we”, “us”, or “our”) present their UK Statutory Strategic Report on the Group and the 
audited consolidated financial statements for the year ended 31 December 2021. Orchard also filed 
with the U.S. Securities and Exchange Commission (the “SEC”) its Annual Report on Form 10-K for 
the year ended 31 December 2021, which may contain additional disclosures regarding some of  the 
matters discussed in this report. 

Corporate Information 
We were originally incorporated under the laws of  England and Wales in August 2018 as Orchard 
Rx Limited (now known as Orchard Therapeutics plc) to become a holding company for Orchard 
Therapeutics (Europe) Limited (previously known as Orchard Therapeutics Limited). Orchard Rx 
Limited subsequently re-registered as a public limited company and its name was changed from 
Orchard Rx Limited to Orchard Therapeutics plc in October 2018. Orchard Therapeutics (Europe) 
Limited was originally incorporated under the laws of  England and Wales in September 2015 as 
Newincco 1387 Limited and subsequently changed its name to Orchard Therapeutics Limited in 
November 2015 and to Orchard Therapeutics (Europe) Limited in October 2018. 

To  date,  we  have  financed  our  operations  primarily  with  proceeds  from  the  sale  of  American 
depositary shares (“ADSs”) in our Initial Public Offering (“IPO”) and follow-on offering, proceeds from 
the sale of  ordinary shares in our private placement, proceeds from the sale of  convertible preferred 
shares, proceeds associated with two UK research and development tax relief  programs, the Small 
and  Medium-sized  Enterprises  research  and  development  tax  credit  (“SME”)  program  and  the 
Research and Development Expenditure (“RDEC”) program, reimbursements from our research 
agreement with University of  California Los Angeles (“UCLA”) and, following transfer of  the ADA-SCID 
research program sponsorship from UCLA to us in July 2018, a grant from the California Institute of  
Regenerative Medicine (“CIRM”), upfront payments from our collaboration agreement with Pharming 
Group N.V., and our Original Credit Facility and our Amended Credit Facility. 

On 27 February 2020, we entered into a Sales Agreement with Cowen and Company, LLC, as agent, 
relating to an “at the market offering,” pursuant to which we may issue and sell ADSs representing 
our ordinary shares, having an aggregate offering price of  up to $100.0 million. As of 31 December 
2021, we have not sold any shares under the Sales Agreement. On 24 March 2022, we delivered 
written notice to Cowen to terminate the Sales Agreement, effective as of  30 March 2022, pursuant 
to Section 11(b) thereof. We are not subject to any termination penalties related to the termination of  
the  Sales  Agreement.  Prior  to  termination,  we  had  not  sold  any  ADSs  pursuant  to  the  Sales 
Agreement. As a result of  the termination of  the Sales Agreement, we will not offer or sell any ADSs 
under the Sales Agreement. 

On 9 February 2021, we issued and sold (i) 20,900,321 ordinary shares, nominal value £0.10 per 
share, at a purchase price of  $6.22 per share (the “Purchase Price”), which was the closing sale 
price of  our ADSs on the Nasdaq  Global  Select Market  on  4 February  2021,  and  (ii)  3,215,434 
non-voting  ordinary  shares,  nominal  value  £0.10  per  share,  at  the  Purchase  Price  (the  “Private 
Placement”). The Private Placement resulted in net proceeds to us of  approximately $144.0 million 
after deducting placement agent fees. The ordinary shares and non-voting ordinary shares were sold 
pursuant to a securities purchase agreement we entered into with the purchasers named therein on 
4 February 2021. 

18  Orchard Therapeutics plc 

 
262883 Orchard Annual Report pp018-pp071.qxp  26/04/2022  19:24  Page 19

UK STATUTORY STRATEGIC REPORT 
continued 

Business Overview (including company strategy, business model, and key 
performance indicators) 
We are a global gene therapy company dedicated to transforming the lives of  people affected by 
rare diseases through the development of  innovative, potentially curative gene therapies. Our ex vivo 
autologous  hematopoietic  stem  cell,  or  HSC,  gene  therapy  approach  harnesses  the  power  of  
genetically modified blood stem cells and seeks to correct the underlying cause of  disease in a 
single administration. We seek to achieve this outcome by utilizing a lentiviral vector to introduce a 
functional copy of  a missing or faulty gene into the patient’s own, or autologous, HSCs through an 
ex vivo process, resulting in a gene-modified cellular drug product that can then be administered to 
the patient at the bedside.  

To date, over 160 patients have been treated with our current and former product candidates across 
seven  different  diseases,  with  follow-up  periods  of   more  than  11  years  following  a  single 
administration. We believe the data observed across these development programs, in combination 
with  our  expertise  in  the  development,  manufacturing  and  commercialisation  of   gene  and  cell 
therapies, position us to provide potentially curative therapies to people suffering from a broad range 
of  diseases.  

We  are  currently  focusing  our  ex  vivo  autologous  HSC  gene  therapy  approach  on  severe 
neurometabolic diseases and early research programs. Our lead program is OTL-200, which was 
approved in the European Union, the United Kingdom, Iceland, Liechtenstein and Norway under the 
brand name Libmeldy for eligible patients with early-onset metachromatic leukodystrophy, or MLD. 
Three eligible patients have been treated in a commercial setting to date. Our planned biologics 
license application (“BLA”) submission timeline for OTL-200 with the Food and Drug Administration 
(“FDA”) is late 2022 to early 2023.  

We have a portfolio that includes a commercial-stage product and research and development-stage 
product candidates, and we believe our approach of  using lentiviral vectors to genetically modify 
HSCs  has  wide-ranging  applicability  to  a  large  number  of   indications.  The  ability  of   HSCs  to 
differentiate into multiple cell types allows us to deliver gene-modified cells to multiple physiological 
systems,  including  the  central  nervous  system,  immune  system  and  red  blood  cell  and  platelet 
lineage, thereby potentially enabling the correction of  a wide range of  diseases. By leveraging the 
innate self-renewing capability of  HSCs that are engrafted in the bone marrow as well as the ability 
of  lentiviral vectors to achieve stable integration of  a modified gene into the chromosomes of  HSCs, 
our gene therapies have the potential to provide a durable effect following a single administration.  

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Orchard Therapeutics plc  19

 
 
262883 Orchard Annual Report pp018-pp071.qxp  26/04/2022  19:24  Page 20

UK STATUTORY STRATEGIC REPORT 
continued 

The diseases we are targeting affect patients around the world, requiring an infrastructure to deliver 
gene therapies globally. In order to meet anticipated demand for our pipeline of  approved products 
and  product  candidates  still  in  development,  we  are  utilizing  our  existing  network  of   contract 
development and manufacturing organizations, or CDMOs, to manufacture lentiviral vectors and drug 
product. In addition, we have established process development capabilities in London, UK, and are 
leveraging technologies that will allow us to deliver our gene therapies globally.  

Cryopreservation of  our gene-modified HSCs is a key component of  our commercialisation strategy 
to deliver potentially curative gene therapies to patients worldwide, facilitating both local treatment 
and local or cross-border product reimbursement. In anticipation of  commercialisation, we developed 
a cryopreserved formulation of  Libmeldy (OTL-200) and are collecting supportive clinical data from 
patients treated with cryopreserved formulations to support the analytical comparability to the fresh 
cell formulations used in our registrational clinical trials. The registrational trials for all our earlier stage 
product candidates are expected to be conducted using a cryopreserved formulation.  

With  the  exception  of   OTL-105,  our  product  candidate  for  the  potential  treatment  of   hereditary 
angioedema, or HAE, which we are pursuing in partnership with Pharming Group N.V., we have global 
commercial rights to all our clinical product candidates and plan to commercialise our gene therapies 
in key markets worldwide, including in Europe and the U.S. initially, subject to obtaining the necessary 
marketing approvals for these jurisdictions. We plan to deploy a focused commercial infrastructure 
to deliver Libmeldy and our product candidates, if  approved, to patients and are focused on working 
closely with all relevant stakeholders, including patients, caregivers, specialist physicians and payors, 
to ensure the widest possible post-approval access for our product candidates. In addition, we may 
rely on third parties to assist with regulatory submissions, disease awareness, patient identification 
and reimbursement in countries where local expertise is required or where we do not have a direct 
presence. For example, in January 2021, we announced partnerships with two regional specialty 
pharmaceutical companies with experience in rare genetic diseases to support us in the Middle East 
and Turkey. 

As we continue to develop our portfolio, we believe that the experience of  our management team 
and our extensive academic relationships are key strategic strengths. Our management team has 
extensive experience in rare diseases and in the manufacturing, preclinical and clinical development 
and commercialisation of  gene and cell therapies. In addition, we partner with leading academic 
institutions around the world, which are pioneers in ex vivo autologous HSC-based gene therapy. We 
plan  to  leverage  our  internal  expertise  combined  with  our  relationships  with  leading  academic 
institutions to transition our lead clinical-stage product candidates to commercialisation and continue 
to expand our portfolio of  ex vivo autologous HSC gene therapy products.  

Our ex vivo autologous HSC gene therapy approach  
Our ex vivo autologous HSC gene therapy approach seeks to transform a patient’s autologous HSCs 
into a gene-modified cellular drug product to treat the patient’s disease. HSCs are self-renewing cells 
that are capable of  differentiating into all types of  blood cells, including white blood cells, red blood 
cells, platelets and tissue resident macrophages, which include the microglia of  the central nervous 
system. HSCs can be obtained directly from the bone marrow, which requires administration of  a 
general anesthetic, or from the patient’s peripheral blood with the use of  mobilizing agents, which 
are agents that can move HSCs from the bone marrow into the peripheral blood for easier collection. 
The HSCs collected are then manufactured to insert a functional copy of  the missing or faulty gene. 
By delivering gene-modified HSCs back to patients, we seek to take advantage of  the self-renewing 
capability of  HSCs to enable a durable effect following a single administration, as has been seen in 
our commercial and development programs. Since these cells are recognized by the body as the 

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patient’s own cells, the risks associated with using donor cells may be reduced. In addition, the ability 
of  HSCs to differentiate into multiple different cell types has the potential to enable the delivery of  
gene-modified cells to different physiological systems and allow the correction of  a broad range of  
different diseases.  

Clinical validation already exists for hematopoietic stem cell transplantation, or HSCT, an approach 
of  treating a patient with a genetic disease with HSCs contributed by a healthy donor individual, 
thereby using HSCs that contain a functioning copy of  the gene of  interest. However, this approach 
has significant limitations, including difficulties in finding appropriate genetically matched donors 
and the risk of  graft-versus-host disease, transplant-related rejection and mortality from these and 
other complications, and is therefore typically only offered on a limited basis. Furthermore, genetically 
modified cells can be used to express enzyme activity at supra-physiological levels, which we believe 
has the potential to overcome the limitations of  HSCT (where enzyme expression is generally limited 
to normal levels) to treat some neurometabolic disorders and improve the metabolic correction in 
neuronal cells before irreversible degeneration occurs. Our approach is intended to address these 
significant limitations of  HSCT.  

In a preclinical study conducted by one of  our scientific advisors and published in Proceedings of  
the National Academy of  Sciences of  the United States of  America, or PNAS, a subpopulation of  
gene-modified HSCs has evidenced the potential to cross the blood-brain barrier, engraft in the brain 
as microglia and express genes and proteins within the central nervous system, one of  the important 
physiological systems targeted by our HSC gene therapy approach. As published in PNAS, images 
taken during the study show a cross-section of  the brain of  a mouse that was infused intravenously 
with HSCs, which had been genetically modified using a lentiviral vector carrying green fluorescent 
protein, or GFP. The GFP expression observed throughout the brain illustrates the potential of  gene-
modified HSCs to cross the blood-brain barrier, engraft in the brain and express the functional protein 
throughout  the  brain,  thereby  potentially  addressing  a  range  of   diseases  that  affect  the  central 
nervous system. Libmeldy (OTL-200), for instance, leverages this same mechanism of  action to 
deliver gene-modified HSCs that can cross the blood-brain barrier and deliver a therapeutic gene 
that  can  prevent  neuronal  degeneration.  The  study  demonstrated  widespread  distribution  and 
expression of  GFP in the brain of  a mouse model following intravenous administration of  HSCs 
transduced with GFP encoding vector. 

With respect to Libmeldy (OTL-200) and each of  our product candidates, our ex vivo gene therapy 
approach utilizes a self-inactivating, or SIN, lentiviral vector to introduce a functional copy of  the 
missing  or  faulty  gene  into  the  patient’s  autologous  HSCs  through  an  ex  vivo  process  called 
transduction, resulting in a cellular drug product that can then be re-introduced into the patient. Unlike 
some other viral vectors, such as adeno-associated viral, or AAV, vectors, lentiviral vectors integrate 
into the chromosomes of  patients’ HSCs. We believe this allows us to achieve stable integration of  
the functional gene into the HSCs and can lead to durable expression of  the target protein by the 
gene-modified HSCs and their progeny after a single administration of  gene therapy. In contrast, 
because AAV vectors rarely integrate into the genome, the transgene is not passed on to all progeny 
when the cell divides, resulting in rapid dilution and loss of  the transgene among frequently dividing 
cells such as HSCs. Regarding immunogenicity, because in vivo delivery of  AAV places the vector 
into direct contact with the immune system and most individuals harbor some type of  pre-existing 
immunity, including neutralizing antibodies, to one or more types of  AAV vector, the incoming vector 
can be completely inactivated by the patient’s immune system. Furthermore, there have been reports 
that  certain  high  dose  applications  of   AAV  have  resulted  in  acute  and  severe  innate  immune 
responses that have proved lethal. With ex vivo delivery, however, the vector is not introduced directly 
into the body and vector elements are washed away in the laboratory such that there is little to no 

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vector element left to present to the immune system. Our HSC gene therapies and product candidates 
are all manufactured ex vivo.  

Strimvelis for adenosine deaminase severe combined immunodeficiency, or ADA-SCID, is the only 
gammaretroviral vector-based gene therapy in our portfolio.  

The image below illustrates the steps in our approach to transform a patient’s autologous HSCs 
ex vivo into therapeutic product.  

Initial clinical trials conducted using our product candidates utilized a fresh product formulation, 
resulting in a limited drug product shelf  life. We market Libmeldy (OTL-200) and plan to market our 
current and any future product candidates, if  approved, in a cryopreserved product formulation, 
which is designed to extend the drug product shelf  life and enable the shipment of  the drug product 
to specialized treatment centers, allowing patients to receive treatment closer to their home while 
leveraging more centralized manufacturing. Cryopreservation also allows us to conduct a number of  
quality control tests on the genetically modified HSCs prior to introducing them into the patient.  

In addition, certain of  our clinical-stage product candidates have been evaluated in registrational 
trials using drug product derived from HSCs extracted from the patients’ bone marrow. To optimize 
our potential product label and the number of  patients that we may be able to treat, as part of  any 
BLA or MAA submission for such product candidates, we plan to demonstrate comparability between 
drug product manufactured using HSCs derived from the patients’ peripheral blood and drug product 
manufactured using HSCs derived from the patients’ bone marrow. In cases where clinical trials were 
conducted  using  vector  and/or  drug  product  manufactured  at  academic  centers,  we  plan  to 
demonstrate comparability between vector and/or drug product manufactured by our third party 
commercial CDMOs with vector and drug product manufactured at such academic centers.  

We are currently focused on employing our ex vivo autologous HSC gene therapy approach in two 
therapeutic disease areas: neurodegenerative and immunological disorders. We also have a program 
focused on beta thalassemia, or TDT, a blood disorder, but new investments in this program are 
currently limited. Data from clinical trials suggest that ex vivo autologous HSC gene therapy has the 
potential  to  provide  generally  well-tolerated,  sustainable  and  improved  outcomes  over  existing 
standards of  care for diseases in these areas. We believe that we can apply our approach beyond 
our current target indications to treat an even broader range of  diseases.  

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Our strategy  
We are building a leading, global, fully-integrated gene therapy company focused on transforming the 
lives of  people affected by severe diseases. To achieve this, we are pursuing the following strategies: 

(cid:129) Successfully commercialise Libmeldy (OTL-200) for the treatment of  eligible patients with early-
onset MLD in Europe and expand geographically into new markets as regulatory approvals are 
obtained 

(cid:129) Advance our clinical-stage product candidates towards marketing approvals  

(cid:129)

(cid:129)

Leverage the power of  our therapeutic approach to investigate the potential of  HSC gene therapy 
in larger indications  

Invest in new technologies and innovations to continue to improve our manufacturing processes 
for lentiviral vector and drug product and reduce costs of  goods manufactured 

(cid:129) Establish end-to-end process development, manufacturing and supply chain capabilities, initially 

through third parties and internally over time 

(cid:129) Establish a patient-centric, global commercial infrastructure, including with third parties in certain 

regions where we do not have a direct presence   

(cid:129) Execute a business development strategy to leverage our HSC gene therapy approach, expand 
geographically, accelerate time-to-market or attract disease-area expertise to optimize the value 
of  our portfolio of  product candidates or expand into new indications 

On 30 March 2022, the Company announced a proposed reduction of  its workforce of  approximately 
30%, subject to a consultation process with certain employees in the United Kingdom. The Company 
estimates that it will incur aggregate charges of  approximately $2.5 million in the first and second 
quarters  of   2022  as  a  result  of   the  restructuring,  consisting  of   one-time  cash  expenditures  for 
severance and employee termination-related costs. The Company also announced that it would 
discontinue its investment in and seek alternatives for OTL-102 for treatment of  X-CGD, OTL-103 for 
treatment of  WAS and Strimvelis. 

Our pipeline  
Our pipeline spans multiple therapeutic areas where the disease burden on children, families and 
caregivers is immense and current treatment options are limited or do not exist.  

(cid:129) Our  programs  focused  on  neurodegenerative  disorders  consist  of   our  commercial  program 
approved in Europe, Libmeldy (OTL-200) for MLD, two clinical proof  of  concept-stage programs, 
OTL-203 for MPS-I and OTL-201 for mucopolysaccharidosis type IIIA, or MPS-IIIA, and three 
preclinical programs, OTL-202 for mucopolysaccharidosis type IIIB, or MPS-IIIB, OTL-204 for 
frontotemporal dementia with progranulin mutations, or GRN-FTD, and OTL-205 for amyotrophic 
lateral sclerosis, or ALS.  

(cid:129) Our  programs  in  immunological  disorders  consist  of   two  preclinical  programs,  OTL-104  for 
Crohn’s  disease  with  mutations  in  the  nucleotide-binding  oligomerization  domain-containing 
protein 2, or NOD2-CD, and OTL-105 for HAE.  

– We also have a commercial program approved in Europe, Strimvelis for adenosine deaminase 
severe  combined  immunodeficiency,  or  ADA-SCID,  an  advanced  registrational  clinical 
program, OTL-103 for Wiskott Aldrich syndrome, or WAS, and one clinical proof  of  concept-
stage program, OTL-102 for X-linked chronic granulomatous disease, or X-CGD. However, in 
March 2022, we announced that we would discontinue our investment in and seek alternatives 
for Strimvelis, OTL-103 and OTL-102.  

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–

In July 2021, we entered into a collaboration with Pharming Group N.V., or Pharming, pursuant 
to  which  we  granted  Pharming  worldwide  rights  to  OTL-105.  Under  our  agreement  with 
Pharming,  we  will  lead  the  completion  of   Investigational  New  Drug  Application  (“IND”) 
enabling activities of  OTL-105 and oversee its manufacturing during pre-clinical and clinical 
development, which will be funded by Pharming. Pharming will be responsible for clinical 
development, regulatory filings and commercialisation of  OTL-105, if  approved, including 
associated costs. 

(cid:129) We  have  a  program  focused  on  blood  disorders  at  the  clinical  proof   of   concept  stage  of  
development, OTL-300 for TDT. However, in May 2020, we announced that new investment in OTL-
300 would be limited. 

The nature of  our autologous gene therapy product candidates precludes the conduct of  Phase 1 
safety studies in healthy volunteers. Moreover, considering the indications our product candidates 
are intended to treat, which are often fatal without treatment and which are rare indications with high 
unmet  medical  need,  we  believe  our  clinical  programs  will  generally  be  eligible  to  proceed  to 
registration based on a single pivotal study given the bioethical considerations regarding the conduct 
of   randomized,  double-blind  and  placebo-controlled  clinical  trials  with  gene  therapies  for  such 
indications. For purposes of  this Annual Report, we refer to an exploratory study, which is sometimes 
referred to as a Phase 1 or Phase 1/2 clinical trial, as a proof  of  concept trial, and a confirmatory 
efficacy  and  safety  study  to  support  submission  of   a  potential  marketing  application  with  the 
applicable regulatory authorities, which is sometimes referred to as a Phase 2/3 or Phase 3 clinical 
trial or a pivotal trial, as a registrational trial.  

Neurodegenerative Disorders  
Gene therapy for treatment of  MLD  
Disease overview  
MLD is a rare and life-threatening inherited disease of  the body’s metabolic system occurring in 
approximately one in every 100,000 live births in most regions of  the world. Higher incidence rates 
are reported in geographies of  higher consanguinity, such as Turkey and the Middle East. MLD is 
caused  by  a  mutation  in  the  arylsulfatase-A  gene,  or  ARSA,  that  results  in  the  accumulation  of  
sulfatides in the brain and other areas of  the body, including the liver, gallbladder, kidneys, and/or 
spleen. Over time, the nervous system is damaged, leading to neurological problems such as motor, 
behavioral and cognitive regression, severe spasticity and seizures. Patients with MLD gradually lose 
the ability to move, talk, swallow, eat and see. In its late infantile form, mortality at five years from 
onset is estimated at 50% and 44% at 10 years for juvenile patients. 

Limitations of  current therapies  
Prior to the approval of  Libmeldy (OTL-200) in Europe, there were no effective treatments or approved 
therapies for MLD. Palliative care options involve medications for seizures and pain, antibiotics and 
sedatives, on a case-by-case basis, as well as physiotherapy, hydrotherapy and tube feeding or 
gastrostomy  when  patients  can  no  longer  eat  without  assistance.  Palliative  care  addresses  the 
symptoms of  MLD but does not slow or reverse the progression of  the underlying disease. HSCT 
has limited and variable efficacy in arresting disease progression and, as a result, HSCT is not 
considered to be a standard of  care for this disease. MLD patients, their caregivers and families, 
and the healthcare system have faced significant burdens given the severity of  the disease and the 
lack of  effective treatments.  

Our solution, Libmeldy (OTL-200) for treatment of  MLD 
OTL-200 is designed as a one-time therapy that aims to correct the underlying genetic cause of  MLD, 
offering eligible patients the potential for long-term positive effects on cognitive development and 

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maintenance of  motor function at ages at which untreated patients show severe motor and cognitive 
impairments. With OTL-200, a patient’s own HSCs are selected, and functional copies of  the ARSA 
gene are inserted into the genome of  the HSCs using a lentiviral vector before these genetically 
modified cells are infused back into the patient. The ability of  the gene-corrected HSCs to migrate 
across the blood-brain barrier into the brain, engraft, and express the functional enzyme has the 
potential to persistently correct the underlying disease with a single treatment.  

We obtained worldwide rights to this program through our asset purchase and license agreement 
with Glaxo Group Limited and GlaxoSmithKline Intellectual Property Development LTD, or, together, 
GSK. The clinical trials for this program have been conducted under a GSK-sponsored clinical trial 
authorization, which was transferred to us during the third quarter of  2018.  

Libmeldy approval in Europe as Orphan Drug 
In December 2020, the European Commission granted full, or standard, marketing authorization for 
Libmeldy (OTL-200) (autologous CD34+ cell enriched population that contains hematopoietic stem 
and progenitor cells transduced ex vivo using a lentiviral vector encoding the human arylsulfatase-
A (ARSA) gene) for the treatment of  early-onset MLD characterized by biallelic mutations in the ARSA 
gene leading to a reduction of  the ARSA enzymatic activity in children with (i) late infantile or early 
juvenile forms, without clinical manifestations of  the disease, or (ii) the early juvenile form, with early 
clinical manifestations of  the disease, who still have the ability to walk independently and before the 
onset of  cognitive decline. 

Libmeldy has received orphan drug designation from the EMA for the treatment of  MLD and orphan 
drug status was maintained at the time of  approval. We are continuing to follow patients in the clinical 
development program for up to 15 years as a post-marketing commitment, and data will be presented 
to regulators at agreed timepoints in order to further characterize the long-term efficacy and safety 
of  Libmeldy, particularly in the early symptomatic early juvenile population.  

Data Supporting the Clinical Profile of  Libmeldy  
The European Commission approval is supported by clinical studies of  Libmeldy in both pre- and 
early- symptomatic, early-onset MLD patients. Early-onset MLD encompasses the disease variants 
traditionally referred to as late infantile, or LI, and early juvenile, or EJ. 

Clinical efficacy was based on the integrated analysis of  results from 29 patients with early-onset 
MLD who were all treated with Libmeldy prepared as a fresh formulation: 

(cid:129)

(cid:129)

20 patients were treated in a registrational study (median follow-up of  4 years); 9 patients were 
treated in expanded access programs (median follow-up of  1.5 years)  

16 patients had a diagnosis of  LI MLD; 13 had a diagnosis of  EJ MLD 

(cid:129) At the time of  treatment, 20 patients were deemed pre-symptomatic; 9 were deemed early-

symptomatic 

Clinical safety was evaluated in 35 patients with early-onset MLD: 

(cid:129)

(cid:129)

29 patients from integrated efficacy analysis (described above) 

6 patients treated with the cryopreserved formulation of  Libmeldy 

Co-primary endpoints 
The co-primary endpoints of  the integrated efficacy analysis were Gross Motor Function Measure, 
or GMFM, total score and ARSA activity, both evaluated at two years post-treatment. Results of  this 

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analysis indicate that a single-dose intravenous administration of  Libmeldy is effective in modifying 
the disease course of  early-onset MLD in most patients. 

Pre-symptomatic LI and EJ patients treated with Libmeldy experienced significantly less deterioration 
in motor function at two years and three years post-treatment, as measured by GMFM total score, 
compared to age and disease subtype-matched untreated patients (p≤0.008). The mean difference 
between treated pre-symptomatic LI patients and age-matched untreated LI patients was 71.0% at 
year 2 and 79.8% at year 3. Similarly, the mean difference between treated pre-symptomatic EJ 
patients and age-matched untreated EJ patients was 52.4% at year 2 and 74.9% at year 3. Although 
not statistically significant, a clear difference in GMFM total score was also noted between treated 
early-symptomatic EJ patients and age-matched untreated EJ patients (28.7% at year 2; p=0.350 
and 43.9% at year 3; p=0.054). 

A  statistically  significant  increase  in  ARSA  activity  in  peripheral  blood  mononuclear  cells  was 
observed at 2 years post-treatment compared to pre-treatment in both pre-symptomatic patients 
(20.0-fold increase; p<0.001) and early-symptomatic patients (4.2-fold increase; p=0.004). 

At the time of  the integrated data analysis, all treated LI patients were alive with a follow-up post-
treatment up to 7.5 years and 10 out of  13 treated EJ patients were alive with a follow-up post-
treatment of  up to 6.5 years. No treatment-related mortality has been reported in patients treated 
with Libmeldy. 

Key secondary endpoints 
For EJ patients who were early-symptomatic when treated with Libmeldy, meaningful effects on motor 
development  were  demonstrated  when  these  patients  were  treated  before  entering  the  rapidly 
progressive phase of  the disease (IQ≥85 and Gross Motor Function Classification, or GMFC, ≤1). By 
4 years post-disease onset, an estimated 62.5% of  treated, early-symptomatic EJ MLD patients 
survived  and  maintained  locomotion  and  ability  to  sit  without  support  compared  with  26.3%  of  
untreated early-symptomatic EJ MLD patients, representing a delay in disease progression following 
treatment with Libmeldy. 

A secondary efficacy endpoint that measured cognitive and language abilities as quantified by 
Intelligence Quotient/Development Quotient, or IQ/DQ, found in the treated LI subgroup, 12 out of  
15 assessed patients had a fairly constant IQ/DQ, within the normal range (IQ/DQ score of  100 +/- 
SD of  15) throughout follow-up. All but two of  these patients (i.e., one pre-symptomatic and one early-
symptomatic) remained above the threshold of  severe mental disability (IQ/DQ>55) at chronological 
ages  at  which  all  14  untreated  comparator  LI  patients  showed  evidence  of   severe  cognitive 
impairment, which is defined as IQ/DQ below 55 and close to zero. Of  the 10 surviving EJ patients, 
all 4 pre-symptomatic patients and 4 out of  6 early-symptomatic patients showed normal IQ/DQ 
throughout follow-up. In contrast, 11 out of  12 untreated EJ patients showed evidence of  severe 
cognitive impairment during follow-up. 

Clinical trial with cryopreserved drug formulation 
The cryopreserved formulation of  OTL-200 is being studied in a clinical trial of  pediatric patients with 
pre-symptomatic LI, or pre- to early-symptomatic EJ in Milan, Italy. 

The  primary  goal  of   this  clinical  trial  is  to  assess  the  safety  and  efficacy  of   a  cryopreserved 
formulation of  OTL-200 in early-onset MLD patients, as measured by improvement in gross motor 
function and ARSA activity levels in the patients’ blood cells as well as overall survival. Secondary 
goals for this clinical trial include assessment of  cognitive function through IQ.  

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Ten patients were treated in this trial between April 2017 and April 2020. Data, which included six of  
these ten patients, was presented at WORLDSymposium in 2021. The median duration of  follow up 
was 0.87 years as of  November 2019. Administration was generally well tolerated in all patients, and 
for those with enough follow-up post-treatment, preliminary evidence of  engraftment and restoration 
of  ARSA activity in peripheral blood to supraphysiological levels and in cerebral spinal fluid, or CSF, 
to normal levels has been shown. The short-term safety profile was comparable between patients 
treated with the fresh formulation. 

Data Supporting Safety Profile of  Libmeldy 
The safety of  Libmeldy was evaluated in 35 patients with MLD.  

The median duration of  follow-up in the integrated safety data set, which included 29 patients treated 
with  the  fresh  (investigational)  formulation  was  4.51  years.  Three  patients  died  and  a  total  of  
26 patients remained in the follow-up phase. The median duration of  follow-up in the 6 patients treated 
with the cryopreserved (commercial) formulation was 0.87 years. 

All treated LI patients were alive with a follow-up post-treatment up to 7.5 years, and 10 out of  13 
treated EJ patients were alive with a follow-up post-treatment of  up to 6.5 years. No treatment-related 
mortality has been reported in patients treated with Libmeldy. 

The most common adverse reaction attributed to Libmeldy was presence of  anti-ARSA antibodies, 
or AAA. Five events of  AAA were observed in four out of  35 patients and were related to treatment. 
Antibody titers were generally low and resolved either spontaneously or after a short course of  
rituximab. In all patients with positive AAA test results, no negative effects were observed in the post-
treatment ARSA activity of  peripheral blood or bone marrow cellular subpopulations nor in the ARSA 
activity within the cerebrospinal fluid. No impact on the clinical efficacy or safety outcomes were 
observed.in any of  the subjects who reported AAA. In addition to the risk associated with the gene 
therapy, treatment with Libmeldy is preceded by other medical interventions, namely bone marrow 
harvest or peripheral blood mobilization and apheresis, followed by myeloablative conditioning, which 
carry  their  own  risks.  During  the  clinical  studies,  the  safety  profiles  of   these  interventions  were 
consistent with their known safety and tolerability. 

For more details, please see the Summary of  Product Characteristics, or SmPC, for Libmeldy. 

OTL-200 development in the U.S. 
OTL-200 has received orphan drug designation for the treatment of  MLD as well as Rare Pediatric 
Disease designation. In late 2020, the FDA cleared our IND application for OTL-200 in the U.S., and 
in January 2021, FDA granted regenerative medicine advanced therapy, or RMAT, designation for 
OTL-200. Based on feedback received from the FDA, we are preparing for a BLA filing for OTL-200 
in pre-symptomatic, early-onset MLD patients in late 2022 or early 2023 using data from existing 
OTL-200 patients. This approach and timeline are subject to the successful completion of  activities 
remaining in advance of  an expected pre-BLA meeting with the FDA, including demonstration of  the 
natural history data as a representative comparator for the treated population. 

Gene therapy for treatment of  MPS-I 
Disease overview  
Mucopolysaccharidosis type I is a lysosomal storage disease caused by a deficiency of  the lysosomal 
enzyme alpha-L-iduronidase, or IDUA. Inherited deficiency of  IDUA is responsible for MPS-I. Without 
treatment,  clinical  manifestations  of   this  severe  disease  include  skeletal  abnormalities  with  severe 
orthopedic  manifestations,  hepatosplenomegaly,  neurodevelopmental  decline,  sight  and  hearing 
disturbances,  cardiovascular  and  respiratory  problems  leading  to  death  in  early  childhood.  IDUA 

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deficiency can result in a wide range of  clinical severity, with 3 major recognized clinical entities: Hurler, 
or MPS-IH, Scheie, or MPS-IS, and Hurler-Scheie, or MPS-IH/S, syndromes. Hurler and Scheie syndromes 
represent phenotypes at the severe and attenuated ends of  the MPS-I clinical spectrum, respectively. 

The median age of  diagnosis for MPS-IH is 12 months; most affected children are diagnosed before 
18 months of  age. Infants affected by MPS-IH usually appear normal at birth, but may develop 
inguinal or umbilical hernias in the first six months, and develop the characteristic somatic phenotype 
over the first few years of  life.  

The approximate incidence of  MPS-I is of  one in 100,000 live births. Approximately 60 percent of  
children born with MPS-I have MPS-IH. 

Limitations of  current therapies  
Allogeneic-HSCT with pre- and peri-transplant enzyme replacement therapy, or ERT, from diagnosis 
to engraftment has been established as the standard of  care for MPS-IH patients diagnosed before 
the age of  30 months and with presumed MPS-IH (presence of  family history and/or clinical signs 
and symptoms compatible with MPS-IH, i.e., phenotypic diagnosis based on clinical expertise), 
and/or  homozygosity  or  compound  heterozygosity  for  mutations  associated  with  the  severe 
phenotype.  The  recommendation  that  HSCT  should  be  standard  of   care  for  MPS-IH  patients  is 
endorsed by the European Society for Blood and Marrow Transplantation and the American Society 
for Transplantation and Cellular Therapy. 

Despite its established position in treatment algorithms, allogeneic-HSCT can result in alloreactive 
complications, including potentially fatal graft versus host disease, or GvHD, particularly when the 
degree of  matching between graft donor and recipient is low. Additionally, although it may stabilize 
cognitive decline, life-threatening or severely debilitating cognitive, neurological, orthopedic, cardiac, 
respiratory and ophthalmic manifestations of  MPS-IH have been reported during long-term post-
HSCT follow-up.  

Our solution, OTL-203 for treatment of  MPS-I  
Ex vivo autologous HSC gene therapy strategies aimed at correcting the genetic defect in patients 
could represent a significant improvement for the treatment of  MPS-I, notably MPS-IH the most severe 
and prevalent phenotype with the highest unmet medical need, when compared to current treatments.  

OTL-203 is a single administration, gene therapy product candidate consisting of  autologous CD34+ 
enriched HSPCs, derived from mobilized peripheral blood, genetically modified ex vivo with the 
lentiviral vector encoding for the IDUA complementary DNA, or cDNA. It is being developed as a 
cryopreserved formulation. Ex vivo autologous gene therapies, such as OTL-203, are designed to 
correct the genetic defect in patients’ own HSCs and their progeny by addition of  corrective cDNA. 
The OTL-203 mechanism of  action addresses the disease pathophysiology by restoring enzymatic 
IDUA  expression  in  peripheral  and  central  body  compartments  as  well  as  restoring  microglia 
homeostasis and its neuroprotective effects against the neurotoxic effects of  glycosaminoglycan, or 
in  affected  cells.  We  have  obtained  worldwide  development  and 
GAG,  accumulation 
commercialisation rights to OTL-203 from Telethon Foundation and San Raffaele Hospital. 

Autologous cells may be genetically modified to constitutively express supra-normal levels of  the 
therapeutic enzyme and become a quantitatively more effective source of  functional enzyme than 
wild-type cells, possibly also at the level of  the nervous system and bone.  

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The  therapeutic  potential  of   this  approach  for  addressing  the  extensive  nervous  system 
manifestations of  MPS-IH is based on the contribution of  HSCs to the turnover of  CNS-resident 
microglia, demonstrated both in physiological and pathological conditions. Since microglia have been 
implicated in the pathogenesis of  a number of  neurodegenerative conditions, including LSDs. These 
cells should be considered a primary target cell type in therapeutic strategies for LSD with neurologic 
involvement such as MPS-IH. Moreover, compared to allogeneic transplantation, which is the current 
standard  of   care  for  MPS-IH  treatment,  the  autologous  nature  of   OTL-203  is  associated  with  a 
significantly reduced transplant-related morbidity and mortality and avoids the risks of  graft versus 
host disease. 

OTL-203 has received orphan drug and PRIME designation from the EMA as well as orphan drug 
designation and rare pediatric disease designation from the FDA for the treatment of  MPS-I.  

Ongoing clinical trials 
OTL-203 is currently being investigated in an ongoing, academic-sponsored clinical trial at the San 
Raffaele Hospital in Milan, Italy to establish proof  of  concept. The study is a prospective, single dose, 
single center, non-randomized, open label study involving a single administration of  OTL-203 in eight 
patients with a confirmed diagnosis of  MPS-IH. The study is fully enrolled using a cryopreserved 
formulation of  OTL-203.  

The patients evaluated in this trial include pediatric MPS-IH patients from 14 to 35 months of  age at 
the time of  treatment and will be followed for at least five years post-treatment in the context of  the 
proof  of  concept study and then continue to be evaluated in a long-term follow-up study.  

In November 2021, we announced data published in the New England Journal of  Medicine evaluating 
the safety and efficacy of  OTL-203. For this publication’s last follow up of  all patients (range between 
12 and 24 months), interim data supporting clinical proof-of-concept illustrated that treatment with 
OTL-203 was generally well-tolerated with a safety profile consistent with the selected conditioning 
regimen. IDUA antibodies present prior to gene therapy as a result of  ERT were not seen in any 
patient within three months following treatment. In addition, ERT was discontinued at least three weeks 
prior to any patient receiving gene therapy treatment, and no patients had re-started ERT post-
treatment. 

In terms of  biomarker data, treatment demonstrated rapid and sustained metabolic correction with 
all patients achieving supra-physiological IDUA expression in dried blood spot samples at 12 months 
(a  primary  efficacy  endpoint).  Associated  with  this,  the  results  demonstrated  increased  IDUA 
expression in the CSF, with reduction of  GAGs in CSF and normalization of  GAG levels in urine. 

All eight patients treated with OTL-203 showed stable cognitive function, motor function and growth 
within or near the normal range at multiple data points post-treatment. For instance, stable cognitive 
performance was shown in all patients post-treatment, with follow-up ranging from six months to two 
years. Longitudinal growth that was within age-appropriate reference ranges was seen in all patients 
post-treatment, with follow-up ranging from nine months to two years. Furthermore, stable motor 
function was seen in all patients compared to pre-treatment, with follow-up ranging from nine months 
to  1.5  years,  and  improved  range  of   motion  (less  joint  stiffness)  was  also  shown  in  all  patients 
compared to pre-treatment, with follow-up ranging from nine months to 1.5 years. 

We have been granted parallel scientific advice by the FDA and EMA on this program. We intend to 
seek the necessary regulatory clearance in mid-2022 to enable the initiation of  the OTL-203 global 
registrational study by year end. 

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type  B,  are 

Gene therapy for treatment of  MPS-IIIA and MPS-IIIB  
Disease overviews  
MPS-IIIA,  also  known  as  Sanfilippo  syndrome  type  A,  and  MPS-IIIB,  also  known  as  Sanfilippo 
that  cause  accumulation  of  
syndrome 
glycosaminoglycan in cells, tissues and organs, particularly in the brain. Within the first years after 
birth, MPS-IIIA and MPS-IIIB patients begin to experience progressive neurodevelopmental delay 
and decline, including speech delay and eventual loss of  language, behavioral disturbances, and 
potentially severe dementia. Ultimately, most patients with MPS-IIIA progress to a vegetative state. 
Life expectancy for patients with MPS-IIIA and MPS-IIIB is between 10 to 25 years and 15 to 30 years, 
respectively.  

life-threatening  metabolic  diseases 

The incidence of  MPS-IIIA and MPS-IIIB are currently estimated to be one in 100,000 and one in 
200,000 live births per year, respectively.  

Limitations of  current therapies  
Currently, there are no effective treatments or approved therapies for MPS-IIIA or MPS-IIIB. Palliative 
care options involve medications for seizures and pain, antibiotics and sedatives, on a case-by-case 
basis, as well as physiotherapy, hydrotherapy and tube feeding or gastrostomy when patients can 
no longer eat without assistance. Palliative care addresses the symptoms of  MPS-IIIA and MPS-IIIB 
but does not slow or reverse the progression of  the underlying disease. Systemic ERT is not an 
approved treatment option and HSCT is not considered to be an effective treatment option for these 
diseases.  The  severity  of   symptoms  and  lack  of   an  effective  treatment  option  to  manage  these 
symptoms is a significant burden to MPS-IIIA and MPS-IIIB patients, their caregivers and families 
and healthcare systems.  

Our solutions, OTL-201 for treatment of  MPS-IIIA and OTL-202 for treatment of  MPS-IIIB 
We are developing OTL-201 and OTL-202 as ex vivo autologous HSC gene therapies for treatment 
of  patients with MPS-IIIA and MPS-IIIB, respectively. In both indications we believe preclinical studies 
in mice have shown that ex vivo autologous gene therapy has the potential to address the neurological 
manifestations  of   MPS-IIIA  and  MPS-IIIB.  We  have  obtained  worldwide  development  and 
commercialisation rights to OTL-201 and OTL-202 from The University of  Manchester.  

OTL-201 has received orphan drug designation from the EMA and FDA for the treatment of  MPS-IIIA 
and has received rare pediatric disease designation from the FDA.  

Proof  of  concept trial in MPS-IIIA  
We are supporting a proof-of-concept trial for the treatment of  MPS-IIIA, which started enrollment in 
January 2020. The trial, which is being conducted by the Royal Manchester Children’s Hospital and 
sponsored by the Manchester University NHS Foundation Trust, completed enrollment in 2021 with 
the fifth patient treated in September 2021.  

Interim  results  were  presented  at  the  WORLDSymposium  in  February  2022  through  an  oral 
presentation. The presentation featured supportive biomarker data from all five patients with evaluable 
results, with duration of  follow-up ranging from three to 18 months. The treatment has been generally 
well-tolerated in all enrolled patients (n=5) with no serious adverse events. 

In terms of  biomarker data, SGSH enzyme expression in leukocytes and CD15+ cells increased from 
below normal levels at baseline to supra-physiological levels at three months in all five patients. 
Furthermore, investigators reported that within three months, there was >90% reduction in urinary 

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GAGs (heparan sulfate) in all treated patients. Levels continue to decrease throughout the length of  
follow-up.  CSF  GAGs  (heparan  sulfate)  decreased  from  baseline  in  the  first  three  patients  with 
available data.  

We intend to report clinical data, including early clinical outcomes of  cognitive function, from the 
OTL-201 proof-of-concept trial by year end. 

Preclinical development of  OTL-202 for treatment of  MPS-IIIB 
We intend to use the same approach to development for OTL-202 as OTL-201. Lentivirus vector 
optimization for OTL-202 for treatment of  MPS-IIIB is ongoing, and we plan to continue to progress 
preclinical development of OTL-202. We plan to leverage information gained from OTL-201 preclinical 
and clinical development to support the OTL-202 program. 

Research program in FTD  
Disease overview  
Frontotemporal Dementia, or FTD, is the second most common cause of  dementia after Alzheimer 
Disease in people under the age of  65. FTD is due to the atrophy of  the frontal and temporal lobes 
of  the brain. The disease manifests with progressive changes in behavior and personality, starting 
with symptoms such as decline in social and personal interactions, depression, apathy, emotional 
blunting, disinhibition and language disorders, and then progressing to general cognitive impairment 
at a later stage. In ~5% of  patients, FTD is caused by mutations in one copy (haploinsufficiency) of  
the gene that codes for progranulin, or GRN. GRN is a neurotrophic, anti-inflammatory factor that is 
produced and secreted among others by specialized cells in the brain called microglia cells. GRN 
produced by microglia cells can be taken up by neighboring neurons, helping them to be healthy 
and functional. Since GRN-FTD patients’ cells do not produce enough GRN, brain inflammation 
develops with time and neurons become progressively dysfunctional until they eventually die, leading 
to brain atrophy and the aforementioned symptoms.  

We  believe  there  are  currently  up  to  2,500  people  affected  by  GRN-FTD  in  Europe/U.S.,  with 
approximately 800 new cases per year. 

Limitations of  current therapies  
There are no treatments available for FTD and death occurs six to nine years after onset. 

Our solution, OTL-204 for treatment of  FTD 
OTL-204  is  an  ex  vivo  autologous  HSC  gene  therapy  being  developed  to  replace  the  defective 
microglia cells in the brain of  GRN-FTD patients with genetically modified microglia cells that produce 
and  secrete  a  corrective  amount  of   GRN.  These  cells  develop  naturally  from  HSCs,  which  are 
collected from the patient and modified by using a viral vector that brings a functional copy of  the 
GRN gene. When they are infused in the patient, the genetically modified HSCs naturally reach the 
brain and become resident microglia cells. OTL-204 is being developed in partnership with Professor 
Alessandra  Biffi  at  the  University  of   Padua  in  Italy.  As  part  of   the  collaboration,  we  initiated  a 
sponsored research agreement with the University of  Padua and obtained an exclusive option with 
Boston Children’s Hospital to develop and exclusively license the program. 

Preclinical development of  OTL-204 
Preliminary in vitro data obtained in 2020 have demonstrated that human cell lines and mouse HSCs 
can be efficiently transduced to produce GRN. GRN is then secreted in the culture medium and can 
be taken up by other types of  cells that do not produce GRN themselves. 

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Preliminary  in  vivo  data  from  the  preclinical  proof-of-concept  study  showed  that  murine   
GRN-/- HSPCs, transduced with an LV expressing progranulin under the control of  a novel promoter, 
are able to engraft and repopulate the brain myeloid compartment of  FTD mice and to locally deliver 
the GRN enzyme. 

We intend to report data from the preclinical proof-of-concept study by year end and file an IND in 
2024. 

Research program in ALS 
Disease overview  
Amyotrophic  lateral  sclerosis,  or  ALS,  is  a  progressive  neurodegenerative  disease  of   the  motor 
neurons. People affected by ALS develop muscular weakness, twitching and atrophy that cause 
difficulties in speaking, swallowing and eventually breathing. Mutations in many different genes have 
been linked to ALS and these generally lead to the malfunctioning of  neurons and their degeneration, 
causing a strong inflammation in the brain that further worsen neuronal death. Microglia cells are a 
type of  brain cells that are heavily involved in inflammation and can contribute to neuronal loss by 
promoting oxidative stress. In particular, the Nox2 gene expressed by microglia cells induces the 
production of  reactive oxygen radical species, which cause oxidative stress, damage to molecules 
and inflammation. It is important to note that ALS patients who have lower levels of  Nox2 have a much 
better survival. 

The incidence of  ALS is currently estimated at 2.1 to 3.8 per 100,000 live births in the EU and UK 
and 1.0 to 2.6 per 100,000 live births in the U.S., for a total of  up to 12,000 to 15,000 new patients 
per year. 

Limitations of  current therapies  
There is no effective treatment for ALS and the average survival is between two and four years from 
the onset of  symptoms.  

Our solution, OTL-205 for treatment of  ALS 
OTL-205 is an ex vivo autologous gene therapy being developed to genetically modify microglia cells 
so that they have a much lower level of  Nox2 and therefore produce less oxidative stress and less 
local inflammation. Microglia cells can be derived from HSCs. In our approach, HSCs are extracted 
from the patient, modified in the laboratory with the lentiviral vector and then infused back into the 
patient.  These  modified  HSCs  then  migrate  into  the  brain,  where  they  become  microglia  cells 
replacing the diseased cells and reducing inflammation. This approach has the potential to improve 
symptoms and prolong survival in all ALS patients irrespective of  their genetic mutations. OTL-205 
is being developed in partnership with Professor Alessandra Biffi at the University of  Padua in Italy. 
As part of  the collaboration, we initiated a sponsored research agreement with the University of  
Padua and obtained an exclusive option with Boston Children’s Hospital to develop and exclusively 
license the program. 

Preclinical development of  OTL-205 
Preliminary in vitro data have shown that reducing Nox2 levels by RNA interference in microglia cells 
efficiently reduces the inflammatory response in these cells and the production of  oxygen radicals. 

We plan to continue to progress in vitro and in vivo characterization of  this therapeutic approach in 
relevant ALS mouse models. 

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Immunological Disorders  
Research program in NOD2-Crohn’s Disease  
Disease overview  
Crohn’s  Disease,  or  CD,  is  a  form  of   Irritable  Bowel  Disease,  or  IBD,  a  condition  affecting  the 
gastrointestinal tract caused by an uncontrolled and chronic inflammatory process directed against 
intestinal bacteria. Mutations in a number of  genes are known to confer susceptibility to the risk of  
CD,  and  amongst  these  the  NOD2  gene  (nucleotide-binding  oligomerization  domain-containing 
protein 2) is known to be the most common genetic factor, with 20-40% of  Crohn’s patients carrying 
mutations causing defective NOD2 activity. NOD2 encodes a cell receptor which controls bacterial 
elimination by innate immune cells such as macrophages through recognition of  bacterial peptide 
(MDP) and induction of  a pro-inflammatory immune response. NOD2 deficiency results in an impaired 
detection and clearance of  bacteria penetrating the gut during gastrointestinal infection, creating an 
unchecked  and  relapsing  inflammation  within  the  intestinal  tissues  characterized  by  intestinal 
granuloma formation. This leads to recurrent clinical symptoms of  chronic abdominal pain, diarrhea, 
weight loss, fatigue, malnutrition and for some patients, more severe intestinal damage requiring 
surgical resection. NOD2-CD patients typically present with more severe symptoms and are reported 
to be more refractory to existing therapies. 

The incidence of  CD is high compared to our other indications, with estimates of  100 to 200 patients 
per million in Europe and North America. Epidemiological studies suggest NOD2 genetic variants 
causing functional defects are associated with 7 to 10% of  all cases of  CD, with up to 200,000 
patients in the U.S. and Europe with two NOD2 mutated alleles. 

Limitations of  current therapies  
Current clinical management for Crohn’s disease includes use of  immune-suppressive medications, 
biological agents such as anti-TNF, steroids and surgical resection. There is currently no cure for 
Crohn’s disease, and long-term, effective treatment options are limited. Several clinical trials have 
evaluated autologous HSCT in Crohn’s disease, although with limited success. There remains a need 
for  therapeutic  modalities  that  target  underlying  causes  of   Crohn’s  disease  to  achieve  effective 
amelioration of  symptoms and disease remission. 

Our solution, OTL-104 for treatment of  NOD2-CD 
We are developing OTL-104 to evaluate its therapeutic efficacy as an ex vivo autologous HSC gene 
therapy to treat patients with NOD2-CD through a single administration. As the pathogenesis of  
NOD2-CD is associated with the function of  cells of  the hematopoietic system, ex vivo autologous 
HSC gene therapy may therefore be used restore NOD2 function to immune cells such as tissue 
resident macrophages within the gastrointestinal tract. Our OTL-104 program is being designed to 
introduce  the  NOD2  gene  into  cells  of   the  hematopoietic  system  by  lentiviral  transduction  of   a 
patient’s own blood or bone marrow derived HSCs, and the gene-modified cells can then be infused 
back into the patient. We own pending patent applications in the United States and other jurisdictions 
and all other intellectual property rights associated with the OTL-104 program.  

Preclinical development of  OTL-104 
OTL-104 preclinical work has shown that restoration of  NOD2 gene expression in murine and human 
stem cells can rescue a defective myeloid immune response to microbial peptides. NOD2 defective 
inflammatory functions in primary human myeloid cells can be restored by both lentiviral and gene 
editing approaches. Preclinical studies to evaluate the safety of  this approach show that NOD2-LV 

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gene modification of  human CD34+ stem cells does not affect HSC engraftment or immune subset 
development and differentiation following transplantation into NSG mice. Transplantation of  NOD2-LV 
gene  modified  murine  stem  cells  further  demonstrates  that  HSC  derived  transgene+  cells  can 
efficiently migrate and reconstitute the myeloid cell compartments of  intestinal tissue. 

Development of  an experimental colitis induction model is now in progress for OTL-104 preclinical 
proof-of-concept studies. 

Other programs 
In March 2022, we announced that we would discontinue our investment in and seek alternatives for 
Strimvelis, OTL-103 for treatment of  WAS, and OTL-102 for treatment of  X-CGD.  

Blood disorders 
Gene therapy for treatment of  TDT  
In May 2020, we announced that new investment in OTL-300 for treatment of  beta-thalassemia would 
be limited. 

Future applications of  our ex vivo autologous HSC gene therapy approach  
We believe that our versatile ex vivo autologous HSC gene therapy approach has the potential to 
deliver promising gene therapies to patients across a broad range of  diseases. Although our near-
term focus is on delivering our commercial and clinical-stage gene therapies to patients suffering 
from several rare diseases described above, we believe we can leverage our significant research 
and development experience and partnerships with academic institutions to identify other diseases 
in our target areas, including neurodegenerative, immunological and blood disorders, where ex vivo 
gene  therapy  may  have  a  comparably  higher  probability  of   success  as  compared  to  other 
approaches.  Our  mid-  to  long-term  strategy  is  to  leverage  our  HSC  gene  therapy  approach  in 
additional larger indications, either on our own or with partners. We are building research capabilities 
to continue to explore additional indications in our laboratories. 

Our regulatory strategy  
The nature of  our autologous gene therapy product candidates precludes the conduct of  Phase 1 
safety studies in healthy volunteers. Moreover, considering the indications our product candidates 
are intended to treat, which are often fatal without treatment and which are rare indications with high 
unmet  medical  need,  we  believe  our  clinical  programs  will  generally  be  eligible  to  proceed  to 
registration based on a single pivotal study given the bioethical considerations regarding the conduct 
of   randomized,  double-blind  and  placebo-controlled  clinical  trials  with  gene  therapies  for  such 
indications. Both the FDA and EMA provide expedited pathways for the development of  drug product 
candidates for the treatment of  rare diseases, particularly life-threatening diseases with high unmet 
medical need. Such drug product candidates may be eligible to proceed to registration following 
one  or  more  clinical  trials  in  a  limited  patient  population,  following  review  of   the  trial’s  design, 
endpoints and clinical data by the applicable regulatory agencies. These determinations are based 
on the applicable regulatory agency’s scientific judgement and these determinations may differ in 
the United States and the European Union.  

In some cases applicable regulatory agency may require us to perform analytical studies or conduct 
additional  clinical  trials  to  support  analytical  comparability  of   drug  product,  for  example  by 
demonstrating comparability of  drug product manufactured using HSCs derived from a patient’s 
mobilized peripheral blood and drug product manufactured using HSCs derived from a patient’s bone 

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marrow and/or comparability of  drug product that has been cryopreserved and fresh drug product. 
For purposes of  this Annual Report we refer to these clinical trials as supportive clinical trials. In 
addition, certain of  our product candidates may be evaluated in clinical trials for which clinical data 
is  not  intended  to  be  pooled  with  data  from  our  registrational  trials  for  purposes  of   a  regulatory 
submission, but will be submitted to the applicable regulatory agencies for informational purposes. 
For purposes of  this Annual Report we refer to these trials as additional clinical trials. In addition, in 
some cases patients may be ineligible for participation in our clinical trials and may receive treatment 
under a compassionate use program or an expanded access program. We expect that the available 
safety and efficacy results from all these trials would be included in any regulatory submission we 
may submit, and the applicable regulatory agency with respect to each clinical program will make a 
determination as to whether the available data is sufficient to support a regulatory submission. 

Manufacturing  
The diseases we are targeting affect patients across the world. Therefore, we are implementing plans 
to enhance our partnerships with CDMOs and leverage technologies that will allow us to deliver our 
gene therapies globally.  

Global supply network with experienced CDMOs  
We currently partner with a network of  experienced CDMOs, including AGC Biologics S.p.A. (formerly 
MolMed S.p.A.) and Oxford BioMedica, for the supply of  our vectors and/or drug products, including 
Libmeldy. We have established relationships with commercial CDMO partners with the resources and 
capacity to meet our clinical and existing and expected initial commercial needs. Our CDMO partners 
also provide us with access to their state-of-the art manufacturing technologies.  

Manufacturing efficiencies and scalability  
We  are  investing  in  human  capital  and  advancing  manufacturing  technologies  for  HSC-based 
autologous ex vivo gene therapies. We have licensed lentiviral vector stable cell line technologies 
from GSK, completed transduction enhancer screening processes, established a vector process 
development lab at a Catapult Network facility in the UK, and are in the process of  building cell 
therapy and analytical development capabilities at our London, UK global headquarters. We seek to 
enhance our product and process understanding while actively exploring and developing innovative 
technologies for vector and drug product manufacturing to improve the efficiency and scalability of  
manufacturing processes with an ultimate goal to reliably manufacture high quality products for rare 
diseases and larger indications at lower cost. For example, we have identified and validated several 
transduction enhancing compounds in order to facilitate lentiviral vector entry into HSCs, showing a 
greater than 50% reduction in vector requirements. We continue to invest in our people to support 
the commercialisation and lifecycle management of  our pipeline products.  

Cryopreservation of  our gene therapy programs  
Cryopreservation of  gene-modified cells is a key component of  our strategy to deliver innovative, 
potentially  curative  gene  therapies  to  patients  worldwide.  We  have  developed  cryopreserved 
formulations of  our OTL-200 and OTL-103 programs and expect to demonstrate comparability of  our 
cryopreserved  formulations  to  earlier  manufactured  fresh  formulations  in  support  of   future 
submissions for marketing approval in the United States and Europe. Our programs in OTL-102, 
OTL-203 and OTL-201 have already started or will start with cryopreserved formulations. We plan to 
establish cryopreserved product formulations as the standard for all of  our future gene therapy 
candidates.  

In  the  cryopreservation  process,  a  patient’s  gene-modified  HSCs  are  frozen  at  extremely  low 
temperatures and then stored to allow quality control testing and release to be performed before 

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introducing  the  gene-modified  cells  back  into  the  patient.  Our  cryopreserved  formulations  are 
expected to have shelf-lives of  months to years, enabling us to potentially distribute our products 
and product candidates from a few centralized manufacturing facilities to geographically dispersed 
treatment sites. Our ability to ultimately distribute our product candidates globally will facilitate access 
of  the therapies to patients and reduce the logistical burden on patients and their families.  

Commercial operations 
We have commercially launched Libmeldy (OTL-200) for the treatment of  early-onset MLD following 
receipt of  full, or standard, marketing approval from the European Commission in December 2020. 
We have substantially completed our build-out of  our commercial operations in Europe with the goal 
of  delivering Libmeldy to patients through qualified treatment centers in the UK, France, Germany, 
Italy and the Netherlands. In addition, we expect to leverage cross-border and treatment abroad 
reimbursement pathways in both Europe and markets such as the Middle East and Turkey through 
third-party strategic partners and distributors. Subject to approval of  OTL-200 from the FDA, we plan 
to also put in place commercial operations and quality treatment centers in the U.S.  

We have begun a phased build of  commercial capabilities by employing individuals with broad 
experience in quality assurance and compliance, medical education, marketing, supply chain, sales, 
public policy, patient services, market access and product reimbursement. We will need to expand 
these capabilities as we continue to implement appropriate quality systems, compliance policies, 
systems and procedures, as well as internal systems and infrastructure in order to support our supply 
chain, qualify and train additional treatment centers, establish patient-focused programs, educate 
healthcare professionals, and secure reimbursement. The timing and conduct of  these commercial 
activities will be dependent upon regulatory approvals and on agreements we have made or may 
make in the future with strategic collaborators.  

As part of  the commercialisation process, we are engaged in discussions with stakeholders across 
the healthcare system, including public and private payors, patient advocates and organizations, 
and healthcare providers, to drive more timely patient identification through education, newborn 
screening, and diagnostic initiatives and to explore new payment models that we hope will enable 
broader patient access. We have initiated pilot studies for newborns in certain countries to screen 
for MLD and develop the necessary data package to enable universal newborn screening in various 
countries where we expect our products to be sold. Ultimately, we intend to utilize the commercial 
infrastructure that we are building to support the potential for multiple product launches, if  approved, 
across multiple geographies. For many territories and countries, we may also elect to utilize strategic 
partners, distributors, or contract field-based teams to assist in the commercialisation of  our products.  

We anticipate the list price of  Libmeldy to be less than the average 10-year cumulative cost for some 
chronic or lifelong rare disease treatments, such as certain enzyme replacement therapies, which 
do  not  offer  the  potential  for  full  genetic  correction  or  a  potentially  positive  impact  on  cognitive 
outcomes.  We  are  engaging  with  European  country-  and  regional-level  payment  authorities  to 
negotiate reimbursement and access and are considering novel payment approaches, such as 
annuity payments, as part of  these negotiation discussions.  

Intellectual property and barriers to entry  
Our commercial success depends, in part, upon our ability to protect commercially important and 
proprietary aspects of  our business, defend and enforce our intellectual property rights, preserve 

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the  confidentiality  of   our  know-how  and  trade  secrets,  and  operate  without  infringing, 
misappropriating and otherwise violating valid and enforceable intellectual property rights of  others. 
In particular, we strive to protect the proprietary aspects of  our business and to develop barriers to 
entry that we believe are important to the development and commercialisation of  our gene therapies. 
For example, where appropriate, we develop, or acquire exclusive rights to, clinical data, patents, 
know-how and trade secrets associated with each of  our products and product candidates. However, 
we do not own any patents or patent applications that cover Libmeldy, Strimvelis or any of  our lead 
product  candidates.  We  cannot  guarantee  that  patents  will  issue  from  any  of   existing  patent 
applications or from any patent applications that we or our licensors may file in the future, nor can 
we guarantee that any patents that may issue in the future from such patent applications will be 
commercially useful in protecting our products and product candidates. In addition, we plan to rely 
on  regulatory  protection  based  on  orphan  drug  exclusivities,  data  exclusivities  and  market 
exclusivities. See “—Government regulation” for additional information.  

We currently rely primarily on know-how and trade secret protection for aspects of  our proprietary 
technologies that we or our licensors believe are not amenable to or appropriate for patent protection, 
including, for example, clinical data and production information for Libmeldy, Strimvelis and each of  
our  product  candidates.  Nonetheless,  know-how  and  trade  secrets  can  be  difficult  to  protect. 
Although we take steps to protect our know-how, trade secrets and other proprietary information, 
including restricting access to our premises and our confidential information, as well as entering into 
agreements with our employees, consultants, advisors and potential collaborators, third parties may 
independently develop the same or similar know-how, trade secrets or proprietary information or may 
otherwise gain access to such know-how, trade secrets and other proprietary information or such 
know-how, trade secrets or other proprietary information may otherwise become known. Moreover, 
we cannot guarantee that our confidentiality agreements will provide meaningful protection or that 
they will not be breached, and we may not have an adequate remedy for any such breach. As a 
result, we may be unable to meaningfully protect our know-how, trade secrets and other proprietary 
information.  

In  addition,  with  regard  to  patent  protection,  the  scope  of   coverage  being  sought  in  a  patent 
application may be reduced significantly before a patent is issued, and even after issuance the scope 
of  coverage may be challenged. As a result, we cannot guarantee that any of  our product candidates 
will be protectable or remain protected by enforceable patents. We cannot predict whether the patent 
applications we are currently pursuing will issue as patents in any particular jurisdiction or whether 
the claims of  any issued patents will provide sufficient proprietary protection from competitors. Any 
patents that we hold may be challenged, circumvented or invalidated by third parties.  

With regards to Strimvelis, OTL-103, OTL-200 and OTL-300, and as discussed in detail in “—License 
agreements”, we have exclusive, worldwide, sublicensable licenses pursuant to our asset purchase 
and license agreement with GSK, or the GSK Agreement, and the R&D Agreement to anonymized 
patient-level data arising from the clinical trials of  Strimvelis, OTL-103, OTL-200 and OTL-300 and 
know-how, including other clinical data and production information relating to Strimvelis, OTL-103, 
OTL-200, and OTL-300.  

The term of  individual patents depends upon the legal term of  the patents in the countries in which 
they  are  obtained.  In  most  countries  in  which  we  are  seeking  patent  protection  for  our  product 
candidates,  the  patent  term  is  20  years  from  the  earliest  date  of   filing  a  non-provisional  patent 
application. In the United States, the term of  a patent may be lengthened by a patent term adjustment 
to accommodate for administrative delays caused at the U.S. Patent and Trademark Office, or USPTO, 

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or may be shortened if  another patent has a terminal disclaimer with an earlier expiration date. 
Furthermore, in the United States, the term of  a patent covering an FDA-approved drug may be 
eligible for a patent term extension under the Hatch-Waxman Amendments as compensation for the 
loss of  patent term during the FDA regulatory review process. The period of  extension may be up to 
five years beyond the expiration of  the patent but cannot extend the remaining term of  a patent 
beyond a total of  14 years from the date of  product approval. Only one patent among those eligible 
for an extension may be extended. Similar provisions are available in Europe and in certain other 
jurisdictions to extend the term of  a patent that covers an approved drug. In the future, if  we obtain 
any additional issued U.S. patents covering one of  our present or future product candidates, and if  
such product candidate receives FDA approval, we expect to apply for a patent term extension, 
if  available, to extend the term of  the patent covering such approved product candidate. We also 
expect to seek patent term extensions in any jurisdictions where they are available, but there is no 
guarantee  that  the  applicable  authorities,  including  the  FDA,  will  agree  with  our  assessment  of  
whether such an extension should be granted, and even if  granted, they may disagree with our 
assessment of  the appropriate length of  such an extension.  

License agreements  
GSK asset purchase and license agreement  
In April 2018, we entered into the GSK Agreement pursuant to which GSK transferred to us its portfolio 
of  approved and investigational rare disease gene therapies, including Strimvelis, the first gene 
therapy approved by the EMA for ADA-SCID, two late-stage clinical gene therapy programs in ongoing 
registrational trials, OTL-200 for MLD and OTL-103 for WAS, and OTL-300, a clinical-stage gene 
therapy program for TDT. In addition, GSK novated to us their R&D Agreement with Telethon-OSR.  

Under the GSK Agreement, we are subject to certain obligations to develop and advance certain of  
the acquired product candidates. For example, we were required to use best endeavors to file an 
MAA for OTL-200 for MLD in either Europe or a BLA for MLD in the United States and to subsequently 
use commercially reasonable efforts to file an MAA or BLA, as applicable, in the other jurisdiction 
and to market, sell and promote OTL-200 in such jurisdictions. In December 2020, we received full, 
or  standard,  marketing  authorization  for  Libmeldy  in  the  European  Union  as  well  as  the  United 
Kingdom, Iceland, Liechtenstein and Norway. 

We are required to use commercially reasonable efforts to obtain a PRV from the FDA for each of  
Strimvelis, OTL-200, OTL-103 and OTL-300 and to transfer the first such PRV to GSK. GSK also has 
an option to acquire at a defined price any PRVs granted to us thereafter for Strimvelis, OTL-200, 
OTL-103 and OTL-300. In the event that GSK does not exercise this option with respect to any PRV, 
we may sell the PRV to a third party and must share any proceeds in excess of  a specified sale price 
equally with GSK.  

Under the GSK Agreement we are also obligated to pay non-refundable royalties and milestone 
payments  in  relation  to  the  gene  therapy  programs  acquired.  We  will  pay  a  mid-single-digit 
percentage royalty on the annual net sales of Strimvelis. We will also pay tiered royalty rates at 
percentages from the mid-teens to the low twenties for the MLD and WAS products, upon marketing 
approval,  calculated  as  percentages  of   aggregate  cumulative  net  sales  of   the  MLD  and  WAS 
products, respectively. We will pay a tiered royalty at percentages from the high single-digits to the 
low teens for the TDT product, upon marketing approval, calculated as percentages of  aggregate 
annual net sales of  the TDT product. These royalties owed to GSK are in addition to any royalties 

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owed to other third parties under various license agreements for the GSK programs. In aggregate, 
we may pay up to £90.0 million in milestone payments upon achievement of  certain sales milestones. 
Our royalty obligations with respect to MLD and WAS may be deferred for a certain period in the 
interest of  prioritizing available capital to develop each product. Our royalty obligations are subject 
to reduction on a product-by-product basis in the event of  market control by biosimilars and will 
expire in April 2048.  

We may terminate our development or commercialisation activities of  any of  the programs under the 
GSK Agreement upon the occurrence of  an SAE, if  we believe such program poses a safety risk to 
patients or in certain additional situations. GSK may require us to grant a third party a non-exclusive 
license under the intellectual property we have acquired from GSK under the GSK Agreement if  we 
materially  breach  our  obligations  to  use  best  endeavors  or  commercially  reasonable  efforts,  as 
applicable, to develop and commercialise the acquired programs and fail to develop and implement 
a mutually agreeable plan to cure such material breach within a specified time period. The foregoing 
hypothetical license would only continue until such time as we cured our material breach, and we 
would be required to pay GSK all amounts we received from the third party in connection with such 
license.  

Telethon-OSR research and development collaboration and license agreement  
In April 2018, in connection with our entering into the GSK Agreement, we entered into a deed of  
novation with GSK, Telethon Foundation and San Raffaele Hospital, together referred to as Telethon-
OSR, pursuant to which we acquired and assumed all of  GSK’s rights and obligations under the R&D 
Agreement with Telethon-OSR for the research, development and commercialisation of  ex vivo HSC 
gene therapies for ADA-SCID, WAS, MLD and TDT and options on three additional earlier-stage 
development programs. 

Pursuant  to  the  R&D  Agreement,  Telethon-OSR  had  granted  to  GSK  an  exclusive,  worldwide, 
sublicensable license under certain intellectual property rights to develop and commercialise ex vivo 
gene therapy products for the treatment of  ADA-SCID. In addition, Telethon-OSR had granted to GSK 
an exclusive option for an exclusive, sublicensable, worldwide license under certain intellectual 
property  rights  to  develop  and  commercialise  certain  vectors  and  gene  therapy  products  from 
disease-specific development programs for the treatment of  WAS, MLD and TDT. At the time we 
entered  into  the  novation  agreement,  GSK  had  completed  development,  launched  and 
commercialised Strimvelis for ADA-SCID in the European Union, and had exercised its exclusive 
option to obtain exclusive licenses from Telethon-OSR to the WAS, MLD and TDT programs. We 
acquired Strimvelis and GSK’s exclusive licenses relating to the ADA-SCID, WAS, MLD and TDT 
collaboration programs pursuant to the GSK Agreement and the deed of  novation.  

Under the R&D Agreement, Telethon-OSR is required to use commercially reasonable efforts to 
conduct each of  the collaboration programs in accordance with development plans approved by a 
joint steering committee. With respect to those programs in relation to which our option has been 
exercised, we are required to use commercially reasonable efforts to develop, obtain regulatory 
approval, launch and promote in both the European Union and the United States all licensed products 
and  to  commercialise  and  manufacture  such  products  at  levels  sufficient  to  meet  commercial 
demands. We are required to use best efforts to renew the European Union marketing authorization 
for Strimvelis to enable patients to be treated at the San Raffaele hospital from all referring centers 
globally, as permitted by applicable law. We are responsible for the costs and activities associated 
with the continued development of  Strimvelis and each program for which an option under the R&D 
Agreement is exercised.  

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As consideration for the licenses and options granted under the R&D Agreement, we are required to 
make payments to Telethon-OSR upon achievement of  certain product development milestones. We 
are obligated to pay up to an aggregate of  €31.0 million ($35.0 million at December 31, 2021) in 
connection with product development milestones with respect to those programs for which we have 
exercised an option under this agreement (that is, our WAS, MLD and TDT programs). Additionally, 
we are required to pay to Telethon-OSR a tiered mid-single to low-double digit royalty percentage on 
net annual sales of  licensed products on a country-by-country basis, as well as a low double-digit 
percentage  of   sublicense  income  received  from  any  certain  third  party  sublicensees  of   the 
collaboration programs. Our royalty obligation expires on a licensed product-by-licensed product 
and country-by-country basis upon the latest to occur of  the expiration of  the last valid claim under 
the licensed patent rights in such country, the 10th anniversary of  the first commercial sale of  such 
licensed product in such country, and the expiration of  any applicable regulatory exclusivity in such 
country, provided that our royalty obligation will terminate immediately in the event significant generic 
or  biosimilar  competition  to  a  licensed  product  achieves  a  certain  threshold  percentage  of   the 
market share.  

Unless  terminated  earlier,  the  R&D  Agreement  will  expire  (i)  on  a  product-by-product  and 
country-by-country basis upon the expiration of  all payment obligations with respect to such product 
in such country, (ii) in its entirety upon the expiration of  all payment obligations with respect to the 
last product in all countries in the world, and (iii) on a program-by-program basis when no vector or 
gene therapy product is being researched, developed or commercialised. Either we or Telethon-OSR 
may terminate the R&D Agreement in its entirety or on a program-by-program basis if  the other party 
commits a material breach and fails to cure such breach within a certain period of  time. Additionally, 
either we or Telethon-OSR may terminate involvement in a collaboration program for compelling safety 
reasons,  and  either  we  or  Telethon-OSR  may  terminate  the  R&D  Agreement  if   the  other  party 
becomes insolvent. We may also terminate the R&D Agreement either in its entirety or on a program-
by-program basis for any reason upon notice to Telethon-OSR.  

Oxford BioMedica license and development agreement  
In  November  2016,  we  entered  into  a  license  and  development  agreement,  or  the  Oxford 
Development  Agreement,  with  Oxford  BioMedica  (UK)  Limited,  or  Oxford  BioMedica,  for  the 
development of  gene therapies for ADA-SCID, MPS-IIIA and certain other diseases that we may 
request be included under the Oxford Development Agreement, such other diseases referred to as 
Subsequent Indications. The Oxford Development Agreement was amended on multiple occasions 
and most recently in April 2020. 

Pursuant  to  the  Oxford  Development  Agreement,  Oxford  BioMedica  granted  us  an  exclusive, 
worldwide  license  under  certain  intellectual  property  rights  for  the  purposes  of   research, 
development and commercialisation of  ex vivo gene therapy products for the treatment of  ADA-SCID, 
MPS-IIIA and Subsequent Indications, except that such license is non-exclusive to the extent the 
treatment of  a Subsequent Indication is the subject of  a certain previous license granted by Oxford 
BioMedica. Oxford BioMedica also granted us a non-exclusive, worldwide license under certain 
intellectual  property  rights  for  the  purposes  of   research,  development,  commercialisation  and 
manufacture of  ex vivo gene therapy products for the treatment of  certain diseases other than ADA-
SCID, MPS-IIIA and Subsequent Indications. Under the Oxford Development Agreement, Oxford 
BioMedica is required to use commercially reasonable efforts to perform the activities set forth in a 
collaboration plan approved by a joint steering committee, and we are responsible for certain costs 
of  the activities set forth in such collaboration plan.  

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As consideration for the licenses granted under the agreement, we issued 588,220 of  our ordinary 
shares to Oxford BioMedica. We are also obligated to issue additional equity upon the achievement 
of  certain milestones, pursuant to which we issued 150,826 ordinary shares upon the achievement 
of   the  first  milestone  in  November  2017  and  150,826  ordinary  shares  were  issued  upon  the 
achievement of  further milestones in August 2018. In April 2020, the fifth milestone was deemed to 
have been met upon execution of  the amended agreement in April 2020, and the Company issued 
another 75,413 ordinary shares to Oxford BioMedica. Additionally, we are obligated to pay low single-
digit percentage royalties on net sales of  licensed products until January 31, 2039. The foregoing 
royalties are reduced by a mid-double digit percentage in the case of  compassionate use of  a 
licensed product in a country until the first commercial sale following marketing authorization in such 
country. We are also required to pay a set monthly fee to Oxford BioMedica in the event we use a 
certain Oxford BioMedica system for generating stable cell lines.  

Unless terminated earlier, the Oxford Development Agreement will expire when no further payments 
are due to Oxford BioMedica. We may terminate the performance of  the collaboration plan upon 
notice to Oxford BioMedica, and either party may terminate the performance of  the collaboration 
plan or the Oxford Development Agreement if  the other party commits a material breach that is not 
cured  within  a  certain  period  of   time.  Either  party  may  also  terminate  the  Oxford  Development 
Agreement in the event the other party becomes insolvent.  

Telethon-OSR license agreement 
In May 2019, we entered into a license agreement with Telethon-OSR under which Telethon-OSR 
granted  us  an  exclusive  worldwide  license  for  the  research,  development,  manufacture  and 
commercialisation of  ex vivo autologous HSC lentiviral based gene therapy products for the treatment 
of  MPS-I, including MPS IH. Under the terms of  the agreement, Telethon-OSR is entitled to receive 
an upfront payment, and we may be required to make milestone payments if  certain development, 
regulatory and commercial milestones are achieved. Additionally, we will be required to pay Telethon-
OSR a tiered mid-single to low-double digit royalty percentage on annual net sales of  licensed 
products. 

Competition 
The biotechnology and pharmaceutical industries are characterized by intense and rapidly changing 
competition to develop new technologies and proprietary products. While we believe that our portfolio 
of   product  candidates  and  scientific  expertise  in  gene  therapy  provides  us  with  competitive 
advantages, we face potential competition from many different sources.  

We  face  competition  not  only  from  gene  therapy  companies,  but  also  from  companies  that  are 
developing  novel,  non-gene  therapy  approaches  or  improving  existing  treatment  approaches. 
Depending on how successful these efforts are, it is possible they may increase the barriers to 
adoption and success for our product candidates, if  approved.  

We are currently aware of  the following competitive approaches among our products and clinical 
programs:  

(cid:129) MLD: To our knowledge, beyond Libmeldy in Europe, there is currently no other effective treatment 
option for patients with MLD. HSCT, for example, has demonstrated limited efficacy in halting 
disease progression and is therefore not considered a standard of  care for this disease. A number 
of  alternative approaches to HSCT are under investigation. For instance, Homology Medicines is 
at the preclinical stage of  developing an in vivo AAV gene therapy for MLD delivered intravenously, 

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Passage  Bio  has  a  preclinical  development  program  for  MLD,  and  Affinia  has  a  preclinical 
program for in vivo AAV gene therapy for MLD through lumbar puncture (LP) administration. We 
are also aware that Takeda is investigating an ERT for MLD with a biweekly intrathecal infusion, 
and Denali Therapeutics is at the preclinical stage of  developing a recombinant ARSA enzyme 
engineered to cross the blood-brain barrier. 

(cid:129) MPS-I: The current standard of  care for MPS-IH patients is HSCT before the age of  30 months. 
We are aware that REGENXBIO is developing an AAV-based gene therapy, which is in Phase I 
trials and to be delivered intracisternally. bluebird bio and Immusoft have both reported that they 
are developing ex vivo cell therapies in the preclinical stage. For MPS-I patients that are not 
suitable candidates for HSCT because they lack a suitable donor, were diagnosed later in life, or 
have a less severe subtype of  MPS-I, the current standard of  care for the treatment of  MPS-I 
involves regular intravenous injections of  laronidase (Aldurazyme), an ERT commercialised by 
BioMarin  and  Sanofi  Genzyme.  A  formulation  of   laronidase  for  intrathecal  administration  is 
currently under evaluation. JCR Pharmaceuticals is developing an ERT, which is in Phase I trials. 
Denali Therapeutics has an ERT program in the discovery stage. 

(cid:129) MPS-IIIA: There are currently no effective disease modifying treatment options for patients with 
MPS-IIIA. We are aware of  three gene therapy candidates in clinical development. Lysogene is 
developing an AAV gene therapy product administered through intracerebral injections, in a 
collaboration with Sarepta Therapeutics that is set to terminate in July 2022; Abeona Therapeutics 
is developing AAV gene therapy product administered intravenously; and Esteve is developing 
an AAV gene therapy administered through intracerebroventricular injection. Amicus Therapeutics 
is at the preclinical stage of  developing an AAV gene therapy for MPS-IIIA. We are aware that 
JCR Pharmaceuticals and Denali Therapeutics each has a preclinical stage ERT program for 
MPS-IIIA. 

(cid:129) GRN-FTD: There are no approved disease modifying treatments for GRN-FTD. Each of  Prevail 
Therapeutics (now owned by Eli Lilly & Company) and Passage Bio is developing in early-stage 
clinical trials an AAV gene therapy to be delivered intra-cisterna magna. Alector is developing a 
monoclonal antibody designed to increase levels of  GRN in the brain in late-stage clinical trials, 
and Denali Therapeutics is developing a modified protein designed to penetrate across the 
blood-brain barrier at the preclinical stage in collaboration with Takeda. 

(cid:129) ALS:  There  are  currently  few  approved  treatment  options  for  ALS,  limited  to  riluzole  and 
edaravone. Multiple companies are developing gene therapies for genetically defined populations 
of  ALS. We are not aware of  any companies developing therapies targeted to reduce expression 
of  Nox2.  

(cid:129) NOD2-Crohn’s: There are no approved treatment options specifically for the NOD-2 form of  
Crohn’s disease, and many patients with Crohn’s disease have uncontrolled symptoms despite 
treatment  with  standard  of   care,  including  multiple  anti-inflammatory  biologics  and  surgical 
interventions. We are not aware of  any other treatments in development specifically for the NOD-2 
form of  Crohn’s disease.  

Many of  our potential competitors, alone or with their strategic partners, have substantially greater 
financial, technical and other resources than we do, such as larger research and development, 
clinical, marketing and manufacturing organizations. Mergers and acquisitions in the biotechnology 
and pharmaceutical industries may result in even more resources being concentrated among a 
smaller  number  of   competitors.  Our  commercial  opportunity  could  be  reduced  or  eliminated  if  
competitors develop and commercialise products that are safer, more effective, have fewer or less 
severe  side  effects,  are  more  convenient  or  are  less  expensive  than  any  products  that  we  may 
develop. Competitors also may obtain FDA, EMA or other regulatory approval for their products more 

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rapidly than we may obtain approval for ours, which could result in our competitors establishing a 
strong market position before we are able to enter the market. Additionally, technologies developed 
by our competitors may render our potential product candidates uneconomical or obsolete, and we 
may not be successful in marketing our product candidates against competitors.  

Government regulation  
In the United States, biological products, including gene therapy products, are subject to regulation 
under the Federal Food, Drug, and Cosmetic Act, or FD&C Act, and the Public Health Service Act, 
or PHS Act, and other federal, state, local and foreign statutes and regulations. Both the FD&C Act 
and the PHS Act and their corresponding regulations govern, among other things, the research, 
development, clinical trial, testing, manufacturing, safety, efficacy, labeling, packaging, storage, 
record  keeping,  distribution,  reporting,  advertising  and  other  promotional  practices  involving 
biological products. Each clinical trial protocol for a gene therapy product must be reviewed by the 
FDA. FDA approval must be obtained before the marketing of  biological products. The process of  
obtaining regulatory approvals and the subsequent compliance with appropriate federal, state, local 
and  foreign  statutes  and  regulations  require  the  expenditure  of   substantial  time  and  financial 
resources and we may not be able to obtain the required regulatory approvals.  

Ethical, social and legal concerns about gene therapy, genetic testing and genetic research could 
result in additional laws and regulations restricting or prohibiting the processes we may use. Federal 
and state legislatures, agencies, congressional committees and foreign governments have expressed 
interest in further regulating biotechnology. More restrictive laws and regulations or interpretations 
of  existing laws or regulations, or claims that our products are unsafe or pose a hazard, could prevent 
us from commercialising any products. New government requirements may be established that could 
delay or prevent regulatory approval of  our product candidates under development. It is impossible 
to predict whether legislative changes will be enacted, regulations, policies or guidance changed, 
or interpretations by agencies or courts changed, or what the impact of  such changes, if  any, may be.  

U.S. biological products development process  
The process required by the FDA before a biological product may be marketed in the United States 
generally involves the following:  

(cid:129)

(cid:129)

(cid:129)

completion  of   nonclinical  laboratory  tests  and  animal  studies  according  to  good  laboratory 
practices, or GLPs, unless justified, and applicable requirements for the humane use of  laboratory 
animals or other applicable regulations;  

submission to the FDA of  an application for an investigational new drug application, or IND, which 
must become effective before human clinical trials may begin;  

approval of  the protocol and related documentation by an independent institutional review board, 
or IRB, or ethics committee at each clinical trial site before each study may be initiated;  

(cid:129) performance  of   adequate  and  well-controlled  human  clinical  trials  according  to  the  FDA’s 
regulations  commonly  referred  to  as  good  clinical  practices,  or  GCPs,  and  any  additional 
requirements  for  the  protection  of   human  research  subjects  and  their  health  information,  to 
establish the safety and efficacy of  the proposed biological product for its intended use;  

(cid:129)

submission to the FDA of  a biologics license application, or BLA, for marketing approval that 
includes  sufficient  evidence  of   establishing  the  safety,  purity,  and  potency  of   the  proposed 
biological product for its intended indication, including from results of  nonclinical testing and 
clinical trials;  

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(cid:129)

satisfactory completion of  an FDA inspection of  the manufacturing facility or facilities where the 
biological product is produced to assess compliance with current good manufacturing practice, 
or cGMP, to assure that the facilities, methods and controls are adequate to preserve the biological 
product’s identity, strength, quality and purity and, if  applicable, the FDA’s current good tissue 
practices, or CGTPs, for the use of  human cellular and tissue products;  

(cid:129) potential FDA audit of  the nonclinical study and clinical trial sites that generated the data in 
support of  the BLA in accordance with any applicable expedited programs or designations;  

(cid:129)

review  of   the  product  candidate  by  an  FDA  advisory  committee,  where  appropriate  or  if  
applicable; 

(cid:129) payment of  user fees for FDA review of  the BLA (unless a fee waiver applies); and  

(cid:129)

FDA review and approval, or licensure, of  the BLA.  

Before testing any biological product candidate, including a gene therapy product, in humans, the 
product candidate enters the preclinical testing stage. Preclinical tests, also referred to as nonclinical 
studies, include laboratory evaluations of  product biological characteristics, chemistry, toxicity and 
formulation,  as  well  as  animal  studies  to  assess  the  potential  safety  and  activity  of   the  product 
candidate. The conduct of  the preclinical tests must comply with federal regulations and requirements 
including GLPs.  

An IND is an exemption from the FD&C Act that allows an unapproved product candidate to be 
shipped  in  interstate  commerce  for  use  in  an  investigational  clinical  trial  and  a  request  for  FDA 
authorization  to  administer  such  investigational  product  to  humans.  Such  authorization  must  be 
secured prior to interstate shipment and administration of  any product candidate that is not the 
subject of  an approved BLA. In support of  a request for an IND, applicants must submit a protocol 
for each clinical trial and any subsequent protocol amendments must be submitted to the FDA as 
part of  the IND. In addition, the results of  the preclinical tests, together with manufacturing information, 
analytical data, any available clinical data or literature and plans for clinical trials, among other things, 
must be submitted to the FDA as part of  an IND. The FDA requires a 30-day waiting period after the 
filing of  each IND before clinical trials may begin. This waiting period is designed to allow the FDA 
to review the IND to determine whether human research subjects will be exposed to unreasonable 
health risks. At any time during this 30-day period the FDA may raise concerns or questions about 
the conduct of  the trials as outlined in the IND and impose a clinical hold or partial clinical hold. In 
this case, the IND sponsor and the FDA must resolve any outstanding concerns before clinical trials 
can begin.  

Following commencement of  a clinical trial, the FDA may also place a clinical hold or partial clinical 
hold on that trial. A clinical hold is an order issued by the FDA to the sponsor to delay a proposed 
clinical investigation or to suspend an ongoing investigation. A partial clinical hold is a delay or 
suspension of  only part of  the clinical work requested under the IND. No more than 30 days after 
imposition  of   a  clinical  hold  or  partial  clinical  hold,  the  FDA  will  provide  the  sponsor  a  written 
explanation of  the basis for the hold. Following issuance of  a clinical hold or partial clinical hold, an 
investigation  may  only  resume  after  the  FDA  has  notified  the  sponsor  that  the  investigation 
may proceed.  

A sponsor may choose, but is not required, to conduct a foreign clinical trial under an IND. When a 
foreign clinical trial is conducted under an IND, all FDA IND requirements must be met unless waived. 
When a foreign clinical trial is not conducted under an IND, the sponsor must ensure that the study 
complies with certain regulatory requirements of  the FDA in order to use the study as support for an 

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IND or application for marketing approval or licensing. In particular, such studies must be conducted 
in accordance with GCP, including review and approval by an independent ethics committee, or IEC, 
and informed consent from subjects. The FDA must be able to validate the data through an onsite 
inspection, if  deemed necessary by the FDA.  

An IRB representing each institution participating in the clinical trial must review and approve the 
plan for any clinical trial before it commences at that institution, and the IRB must conduct continuing 
review and reapprove the study at least annually. The IRB must review and approve, among other 
things, the study protocol and informed consent information to be provided to study subjects. An IRB 
must operate in compliance with FDA regulations. An IRB can suspend or terminate approval of  a 
clinical trial at its institution, or an institution it represents, if  the clinical trial is not being conducted in 
accordance  with  the  IRB’s  requirements  or  if   the  product  candidate  has  been  associated  with 
unexpected serious harm to patients.  

Some trials are overseen by an independent group of  qualified experts organized by the trial sponsor, 
known as a data safety monitoring board or committee, or DSMB. This group provides authorization 
as to whether or not a trial may move forward at designated check points based on access that only 
the group maintains to available data from the study.  

In addition to the submission of  an IND to the FDA before initiation of  a clinical trial in the United 
States, certain human clinical trials involving recombinant or synthetic nucleic acid molecules are 
subject to oversight of  institutional biosafety committees, or IBCs, as set forth in the NIH Guidelines 
for Research Involving Recombinant or Synthetic Nucleic Acid Molecules, or NIH Guidelines. Under 
the NIH Guidelines, recombinant and synthetic nucleic acids are defined as: (i) molecules that are 
constructed by joining nucleic acid molecules and that can replicate in a living cell (i.e., recombinant 
nucleic acids); (ii) nucleic acid molecules that are chemically or by other means synthesized or 
amplified, including those that are chemically or otherwise modified but can base pair with naturally 
occurring nucleic acid molecules (i.e., synthetic nucleic acids); or (iii) molecules that result from the 
replication of  those described in (i) or (ii). Specifically, under the NIH Guidelines, supervision of  
human  gene  transfer  trials  includes  evaluation  and  assessment  by  an  IBC,  a  local  institutional 
committee  that  reviews  and  oversees  research  utilizing  recombinant  or  synthetic  nucleic  acid 
molecules at that institution. The IBC assesses the safety of  the research and identifies any potential 
risk to public health or the environment, and such review may result in some delay before initiation of  
a clinical trial. While the NIH Guidelines are not mandatory unless the research in question is being 
conducted at or sponsored by institutions receiving NIH funding of  recombinant or synthetic nucleic 
acid molecule research, many companies and other institutions not otherwise subject to the NIH 
Guidelines voluntarily follow them. 

Information about clinical trials must be submitted within specific timeframes to the NIH for public 
dissemination on its ClinicalTrials.gov website.  

Clinical trials typically are conducted in three sequential phases that may overlap or be combined:  

(cid:129) Phase 1. The biological product is initially introduced into healthy human subjects and tested for 
safety. In the case of  some products for severe or life-threatening diseases, especially when the 
product may be too inherently toxic to ethically administer to healthy volunteers, the initial human 
testing is often conducted in patients.  

(cid:129) Phase 2. The biological product is evaluated in a limited patient population to identify possible 
adverse effects and safety risks, to preliminarily evaluate the efficacy of  the product for specific 
targeted diseases and to determine dosage tolerance, optimal dosage and dosing schedule.  

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(cid:129) Phase 3. Clinical trials are undertaken to further evaluate dosage, clinical efficacy, potency, and 
safety in an expanded patient population at geographically dispersed clinical trial sites. These 
clinical trials are intended to establish the overall risk/benefit ratio of  the product and provide an 
adequate basis for approval and product labeling.  

Post-approval clinical trials, sometimes referred to as Phase 4 clinical trials, may be conducted after 
initial  marketing  approval.  These  clinical  trials  are  used  to  gain  additional  experience  from  the 
treatment of  patients in the intended therapeutic indication, particularly for long-term safety follow-
up. The FDA generally recommends that sponsors of  human gene therapy products integrating 
vectors such as gammaretroviral and lentiviral vectors and transposon elements observe subjects 
for potential gene therapy-related delayed adverse events for a 15-year period, including a minimum 
of  five years of  annual examinations followed by ten years of  annual queries, either in person or by 
questionnaire, of  study subjects.  

Both  the  FDA  and  the  EMA  provide  expedited  pathways  for  the  development  of   drug  product 
candidates for treatment of  rare diseases, particularly life-threatening diseases with high unmet 
medical need. Such drug product candidates may be eligible to proceed to registration following a 
single clinical trial in a limited patient population, sometimes referred to as a Phase 1/2 trial, but which 
may be deemed a pivotal or registrational trial following review of  the trial’s design and primary 
endpoints by the applicable regulatory agencies. Determination of  the requirements to be deemed 
a pivotal or registrational trial is subject to the applicable regulatory authority’s scientific judgement 
and these requirements may differ in the U.S. and the European Union.  

During all phases of  clinical development, regulatory agencies require extensive monitoring and 
auditing of  all clinical activities, clinical data, and clinical trial investigators. Annual progress reports 
detailing the results of  the clinical trials must be submitted to the FDA. Written IND safety reports must 
be promptly submitted to the FDA, the NIH and the investigators for serious and unexpected adverse 
events, any findings from other studies, tests in laboratory animals or in vitro testing that suggest a 
significant  risk  for  human  subjects,  or  any  clinically  important  increase  in  the  rate  of   a  serious 
suspected adverse reaction over that listed in the protocol or investigator brochure. The sponsor must 
submit an IND safety report within 15 calendar days after the sponsor determines that the information 
qualifies for reporting. The sponsor also must notify the FDA of  any unexpected fatal or life-threatening 
suspected  adverse  reaction  within  seven  calendar  days  after  the  sponsor’s  initial  receipt  of   the 
information. Phase 1, Phase 2 and Phase 3 clinical trials may not be completed successfully within 
any specified period, if  at all. The FDA or the sponsor, acting on its own or based on a recommendation 
from the sponsor’s data safety monitoring board may suspend a clinical trial at any time on various 
grounds,  including  a  finding  that  the  research  subjects  or  patients  are  being  exposed  to  an 
unacceptable health risk. Similarly, an IRB can suspend or terminate approval of  a clinical trial at its 
institution if  the clinical trial is not being conducted in accordance with the IRB’s requirements or if  
the biological product has been associated with unexpected serious harm to patients.  

Human gene therapy products are a new category of  therapeutics. Because this is a relatively new 
and expanding area of  novel therapeutic interventions, there can be no assurance as to the length 
of  the study period, the number of  patients the FDA will require to be enrolled in the studies in order 
to establish the safety, purity and potency of  human gene therapy products, or that the data generated 
in these studies will be acceptable to the FDA to support marketing approval.  

Concurrent with clinical trials, companies usually complete additional animal studies and also must 
develop additional information about the physical characteristics of  the biological product as well as 

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finalize a process for manufacturing the product in commercial quantities in accordance with cGMP 
requirements. To help reduce the risk of  the introduction of  adventitious agents with use of  biological 
products, the PHS Act emphasizes the importance of  manufacturing control for products whose 
attributes cannot be precisely defined. The manufacturing process must be capable of  consistently 
producing quality batches of  the product candidate and, among other things, the sponsor must 
develop methods for testing the identity, strength, quality, potency and purity of  the final biological 
product. Additionally, appropriate packaging must be selected and tested and stability studies must 
be conducted to demonstrate that the biological product candidate does not undergo unacceptable 
deterioration over its shelf  life.  

U.S. review and approval processes  
After the completion of  clinical trials of  a biological product, FDA approval of  a BLA must be obtained 
before commercial marketing of  the biological product. The BLA must include results of  product 
development, laboratory and animal studies, human studies, information on the manufacture and 
composition of  the product, proposed labeling and other relevant information. The testing and approval 
processes require substantial time and effort and there can be no assurance that the FDA will accept 
the BLA for filing and, even if  filed, that any approval will be granted on a timely basis, if  at all.  

Within 60 days following submission of  the application, the FDA reviews a BLA submitted to determine 
if  it is substantially complete before the FDA accepts it for filing. The FDA may refuse to file any BLA 
that it deems incomplete or not properly reviewable at the time of  submission and may request 
additional information. In this event, the BLA must be resubmitted with the additional information. The 
resubmitted application also is subject to review before the FDA accepts it for filing. In most cases, 
the submission of  a BLA is subject to a substantial application user fee, although the fee may be 
waived under certain circumstances. Under the performance goals and policies implemented by the 
FDA under the Prescription Drug User Fee Act, or PDUFA, for original BLAs, the FDA targets ten 
months from the filing date in which to complete its initial review of  a standard application and 
respond to the applicant, and six months from the filing date for an application with priority review. 
The FDA does not always meet its PDUFA goal dates, and the review process is often significantly 
extended by FDA requests for additional information or clarification. This review typically takes twelve 
months from the date the BLA is submitted to the FDA because the FDA has approximately two 
months to make a ‘’filing’’ decision. The review process and the PDUFA goal date may be extended 
by three months if  the FDA requests or the BLA sponsor otherwise provides additional information or 
clarification regarding information already provided in the submission within the last three months 
before the PDUFA goal date.  

Once the submission is accepted for filing, the FDA begins an in-depth substantive review of  the 
BLA. The FDA reviews the BLA to determine, among other things, whether the proposed product is 
safe,  pure  and  potent,  for  its  intended  use,  and  whether  the  product  is  being  manufactured  in 
accordance with cGMP to ensure the continued safety, purity and potency of  such product. The FDA 
may refer applications for novel biological products or biological products that present difficult or 
novel  questions  of   safety  or  efficacy  to  an  advisory  committee,  typically  a  panel  that  includes 
clinicians  and  other  experts,  for  review,  evaluation  and  a  recommendation  as  to  whether  the 
application  should  be  approved  and  under  what  conditions.  The  FDA  is  not  bound  by  the 
recommendations of  an advisory committee, but it considers such recommendations carefully when 
making  decisions.  During  the  biological  product  approval  process,  the  FDA  also  will  determine 
whether a Risk Evaluation and Mitigation Strategy, or REMS, is necessary to assure the safe use of  
the biological product. If  the FDA concludes a REMS is needed, the sponsor of  the BLA must submit 
a proposed REMS; the FDA will not approve the BLA without a REMS, if  required.  

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Before  approving  a  BLA,  the  FDA  typically  will  inspect  the  facilities  at  which  the  product  is 
manufactured. The FDA will not approve the product unless it determines that the manufacturing 
processes  and  facilities  are  in  compliance  with  cGMP  requirements  and  adequate  to  assure 
consistent production of  the product within required specifications. For a gene therapy product, the 
FDA also will not approve the product if  the manufacturer is not in compliance with the CGTPs. These 
are FDA regulations that govern the methods used in, and the facilities and controls used for, the 
manufacture of  human cells, tissues, and cellular and tissue-based products, or HCT/Ps, which are 
human cells or tissue intended for implantation, transplant, infusion, or transfer into a human recipient. 
The primary intent of  the CGTP requirements is to ensure that cell and tissue-based products are 
manufactured  in  a  manner  designed  to  prevent  the  introduction,  transmission  and  spread  of  
communicable disease. FDA regulations also require tissue establishments to register and list their 
HCT/Ps with the FDA and, when applicable, to evaluate donors through appropriate screening and 
testing. Additionally, before approving a BLA, the FDA will typically inspect one or more clinical sites 
to assure that the clinical trials were conducted in compliance with IND study requirements and GCP 
requirements.  During  the  ongoing  COVID-19  pandemic,  restrictions  preventing  the  conduct  or 
completion of  facility or clinical site inspections have led and may continue to lead to FDA deferred 
action on marketing applications or the issuance of  complete response letters. To assure cGMP, 
CGTP and GCP compliance, an applicant must incur significant expenditure of  time, money and 
effort in the areas of  training, record keeping, production and quality control.  

Under the Pediatric Research Equity Act, or PREA, a BLA or supplement to a BLA for a novel product 
(e.g.,  new  active  ingredient,  new  indication,  etc.)  must  contain  data  to  assess  the  safety  and 
effectiveness  of   the  biological  product  for  the  claimed  indications  in  all  relevant  pediatric 
subpopulations and to support dosing and administration for each pediatric subpopulation for which 
the product is safe and effective. The FDA may grant deferrals for submission of  data or full or partial 
waivers. Unless otherwise required by regulation, PREA does not apply to any biological product for 
an indication for which orphan designation has been granted.  

Notwithstanding the submission of  relevant data and information, the FDA may ultimately decide that 
the BLA does not satisfy its regulatory criteria for approval and deny approval. Data obtained from 
clinical trials are not always conclusive and the FDA may interpret data differently than we interpret 
the same data. If  the FDA decides not to approve the BLA in its present form, the FDA will issue a 
complete response letter that usually describes all of  the specific deficiencies in the BLA identified 
by the FDA. The deficiencies identified may be minor, for example, requiring labeling changes, or 
major, for example, requiring additional clinical trials. Additionally, the complete response letter may 
include recommended actions that the applicant might take to place the application in a condition 
for approval. If  a complete response letter is issued, the applicant may either resubmit the BLA, 
addressing all of  the deficiencies identified in the letter, or withdraw the application.  

If   a  product  receives  regulatory  approval,  the  approval  may  be  significantly  limited  to  specific 
diseases  and  dosages  or  the  indications  for  use  may  otherwise  be  limited,  including  to 
subpopulations of  patients, which could restrict the commercial value of  the product. Further, the 
FDA may require that certain contraindications, warnings precautions or interactions be included in 
the  product  labeling.  The  FDA  may  impose  restrictions  and  conditions  on  product  distribution, 
prescribing, or dispensing in the form of  a REMS, or otherwise limit the scope of  any approval. In 
addition, the FDA may require post-marketing clinical trials, sometimes referred to as Phase 4 clinical 
trials, designed to further assess a biological product’s safety and effectiveness, and testing and 
surveillance programs to monitor the safety of  approved products that have been commercialised.  

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Orphan drug designation  
Under the Orphan Drug Act, the FDA may grant orphan designation to a drug or biological product 
intended to treat a rare disease or condition, which is generally a disease or condition that affects 
fewer than 200,000 individuals in the United States, or more than 200,000 individuals in the United 
States and for which there is no reasonable expectation that the cost of  developing and making a 
drug or biological product available in the United States for this type of  disease or condition will be 
recovered from sales of  the product. Orphan product designation must be requested before submitting 
a BLA. After the FDA grants orphan product designation, the identity of  the therapeutic agent and its 
potential orphan use are disclosed publicly by the FDA. Orphan product designation does not convey 
any advantage in or shorten the duration of  the regulatory review and approval process.  

Orphan  drug  designation  entitles  a  party  to  financial  incentives  such  as  opportunities  for  grant 
funding towards clinical trial costs, tax advantages and user-fee waivers. If  a product that has orphan 
designation subsequently receives the first FDA approval for the disease or condition for which it has 
such designation, the product is entitled to orphan product exclusivity, which means that the FDA 
may not approve any other applications to market the same drug or biological product for the same 
indication for seven years, except in limited circumstances, such as a showing of  clinical superiority 
to  the  product  with  orphan  exclusivity.  Competitors,  however,  may  receive  approval  of   different 
products for the indication for which the orphan product has exclusivity or obtain approval for the 
same product but for a different indication for which the orphan product has exclusivity. Orphan 
product  exclusivity  also  could  block  the  approval  of   one  of   our  products  for  seven  years  if   a 
competitor obtains approval of  the same biological product for the same use or indication, and we 
are unable to demonstrate that our product is clinically superior to the previously approved drug for 
the same use or indication. If  a drug or biological product designated as an orphan product receives 
marketing approval for an indication broader than what is designated, it may not be entitled to orphan 
product exclusivity. Orphan drug status in the European Union has similar, but not identical, benefits. 

Rare Pediatric Disease Designation and Priority Review Vouchers  
Under the FD&C Act, the FDA incentivizes the development of  drugs and biological products that 
meet the definition of  a “rare pediatric disease,” defined to mean a serious or life-threatening disease 
in which the serious of  life-threatening manifestations primarily affect individuals aged from birth to 
18 years and the disease affects fewer than 200,000 individuals in the United States or affects more 
than 200,000 in the United States and for which there is no reasonable expectation that the cost of  
developing and making in the United States a drug or biological product for such disease or condition 
will be received from sales in the United States of  such drug or biological product. The sponsor of  a 
product candidate for a rare pediatric disease may be eligible for a voucher that can be used to 
obtain a priority review for a subsequent human drug or biological product application after the date 
of  approval of  the rare pediatric disease drug or biological product, referred to as a priority review 
voucher, or PRV. A sponsor may request rare pediatric disease designation from the FDA prior to the 
submission of  its BLA. A rare pediatric disease designation does not guarantee that a sponsor will 
receive a PRV upon approval of  its BLA. Moreover, a sponsor who chooses not to submit a rare 
pediatric  disease  designation  request  may  nonetheless  receive  a  PRV  upon  approval  of   their 
marketing application if  they request such a voucher in their original marketing application and meet 
all of  the eligibility criteria. If  a PRV is received, it may be sold or transferred an unlimited number of  
times. Congress has extended the PRV program through September 30, 2024, with the potential for 
PRVs to be granted through September 30, 2026. 

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Expedited development and review programs  
The FDA has various programs, including Fast Track designation, breakthrough therapy designation, 
accelerated approval and priority review, that are intended to expedite or simplify the process for the 
development and FDA review of  drugs and biologics that are intended for the treatment of  serious 
or life-threatening diseases or conditions. These programs do not change the standards for approval 
but may help expedite the development or approval process. To be eligible for fast track designation, 
new drugs and biological products must be intended to treat a serious or life-threatening condition 
and  demonstrate  the  potential  to  address  unmet  medical  needs  for  the  condition.  Fast  Track 
designation applies to the combination of  the product and the specific indication for which it is being 
studied. The sponsor of  a new drug or biologic may request the FDA to designate the drug or biologic 
as a Fast Track product at any time during the clinical development of  the product. One benefit of  
fast track designation, for example, is that the FDA may consider for review sections of  the marketing 
application  for  a  product  that  has  received  Fast  Track  designation  on  a  rolling  basis  before  the 
complete application is submitted.  

Under  the  FDA’s  breakthrough  therapy  program,  products  intended  to  treat  a  serious  or  life-
threatening disease or condition may be eligible for the benefits of  the Fast Track program when 
preliminary clinical evidence demonstrates that such product may have substantial improvement on 
one or more clinically significant endpoints over existing therapies. Additionally, the FDA will seek to 
ensure  the  sponsor  of   a  breakthrough  therapy  product  receives  timely  advice  and  interactive 
communications to help the sponsor design and conduct a development program as efficiently as 
possible.  

Any product is eligible for priority review if  it has the potential to provide safe and effective therapy 
where  no  satisfactory  alternative  therapy  exists  or  a  significant  improvement  in  the  treatment, 
diagnosis or prevention of  a disease compared to marketed products. The FDA will attempt to direct 
additional  resources  to  the  evaluation  of   an  application  for  a  new  drug  or  biological  product 
designated for priority review in an effort to facilitate the review. Under priority review, the FDA’s goal 
is to review an application in six months once it is filed, compared to ten months for a standard review.  

Additionally, a product may be eligible for accelerated approval. Drug or biological products studied 
for their safety and effectiveness in treating serious or life-threatening illnesses and that provide 
meaningful therapeutic benefit over existing treatments may receive accelerated approval, which 
means  that  they  may  be  approved  on  the  basis  of   adequate  and  well-controlled  clinical  trials 
establishing that the product has an effect on a surrogate endpoint that is reasonably likely to predict 
a clinical benefit, or on the basis of  an effect on an intermediate clinical endpoint other than survival 
or irreversible morbidity. As a condition of  approval, the FDA may require that a sponsor of  a drug or 
biological  product  receiving  accelerated  approval  perform  adequate  and  well-controlled  post-
marketing clinical trials. In addition, for products being considered for accelerated approval, the FDA 
generally requires, unless otherwise informed by the agency, that all advertising and promotional 
materials  intended  for  dissemination  or  publication  within  120  days  of   marketing  approval  be 
submitted to the agency for review during the pre-approval review period. 

RMAT designation  
As part of  the 21st Century Cures Act, enacted in December 2016, Congress amended the FD&C 
Act to facilitate an efficient development program for, and expedite review of  RMAT, which include 
cell and gene therapies, therapeutic tissue engineering products, human cell and tissue products, 
and combination products using any such therapies or products. RMAT do not include those HCT/Ps 
regulated solely under section 361 of  the PHS Act and 21 CFR Part 1271. This program is intended 

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to facilitate efficient development and expedite review of  regenerative medicine therapies, which are 
intended to treat, modify, reverse, or cure a serious or life-threatening disease or condition and qualify 
for  RMAT  designation.  A  drug  sponsor  may  request  that  FDA  designate  a  drug  as  a  RMAT 
concurrently with or at any time after submission of  an IND. FDA has 60 calendar days to determine 
whether the drug meets the criteria, including whether there is preliminary clinical evidence indicating 
that the drug has the potential to address unmet medical needs for a serious or life-threatening 
disease or condition. A BLA for a regenerative medicine therapy that has received RMAT designation 
may be eligible for priority review or accelerated approval through use of  surrogate or intermediate 
endpoints reasonably likely to predict long-term clinical benefit, or reliance upon data obtained from 
a meaningful number of  sites. Benefits of  RMAT designation also include early interactions with FDA 
to  discuss  any  potential  surrogate  or  intermediate  endpoint  to  be  used  to  support  accelerated 
approval.  A  regenerative  medicine  therapy  with  RMAT  designation  that  is  granted  accelerated 
approval and is subject to post-approval requirements may fulfill such requirements through the 
submission of  clinical evidence from clinical trials, patient registries, or other sources of  real world 
evidence, such as electronic health records; the collection of  larger confirmatory data sets; or post-
approval monitoring of  all patients treated with such therapy prior to its approval. Like some of  FDA’s 
other  expedited  development  programs,  RMAT  designation  does  not  change  the  standards  for 
approval but may help expedite the development or approval process.  

Post-approval requirements  
Maintaining substantial compliance with applicable federal, state, and local statutes and regulations 
requires the expenditure of  substantial time and financial resources. Rigorous and extensive FDA 
regulation of  biological products continues after approval, particularly with respect to cGMP. We 
currently rely, and may continue to rely, on third parties for the production of  clinical and commercial 
quantities of  any products that we may commercialise. Manufacturers of  our products are required 
to comply with applicable requirements in the cGMP regulations, including quality control and quality 
assurance  and  maintenance  of   records  and  documentation.  Other  post-approval  requirements 
applicable to biological products, include reporting of  cGMP deviations that may affect the identity, 
potency, purity and overall safety of  a distributed product, record-keeping requirements, reporting 
of  adverse effects, reporting updated safety and efficacy information, and complying with electronic 
record and signature requirements. After a BLA is approved, the product also may be subject to 
official lot release. As part of  the manufacturing process, the manufacturer is required to perform 
certain tests on each lot of  the product before it is released for distribution. If  the product is subject 
to official release by the FDA, the manufacturer submits samples of  each lot of  product to the FDA 
together with a release protocol showing a summary of  the history of  manufacture of  the lot and the 
results of  all of  the manufacturer’s tests performed on the lot. The FDA also may perform certain 
confirmatory tests on lots of  some products, such as viral vaccines, before releasing the lots for 
distribution by the manufacturer. In addition, the FDA conducts laboratory research related to the 
regulatory standards on the safety, purity, potency, and effectiveness of  biological products.  

We also must comply with the FDA’s advertising and promotion requirements, such as those related 
to  direct-to-consumer  advertising,  the  prohibition  on  promoting  products  for  uses  or  in  patient 
populations that are not described in the product’s approved labeling (known as “off-label use”), 
industry-sponsored  scientific  and  educational  activities,  and  promotional  activities  involving  the 
internet. Discovery of  previously unknown problems or the failure to comply with the applicable 
regulatory requirements may result in restrictions on the marketing of  a product or withdrawal of  the 
product from the market as well as possible civil or criminal sanctions. Failure to comply with the 
applicable U.S. requirements at any time during the product development process, approval process 
or after approval, may subject an applicant or manufacturer to administrative or judicial civil or criminal 

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sanctions  and  adverse  publicity.  FDA  sanctions  could  include  refusal  to  approve  pending 
applications, withdrawal of  an approval, clinical holds, warning or untitled letters, product recalls, 
product seizures, total or partial suspension of  production or distribution, injunctions, fines, refusals 
of  government contracts, mandated corrective advertising or communications with doctors or other 
stakeholders, debarment, restitution, disgorgement of  profits, or civil or criminal penalties. Any agency 
or judicial enforcement action could have a material adverse effect on us.  

Biological product manufacturers and other entities involved in the manufacture and distribution of  
approved biological products are required to register their establishments with the FDA and certain 
state agencies, and are subject to periodic unannounced inspections by the FDA and certain state 
agencies for compliance with cGMP and other laws. Accordingly, manufacturers must continue to 
expend time, money, and effort in the area of  production and quality control to maintain cGMP 
compliance. Discovery of  problems with a product after approval may result in restrictions on a 
product, manufacturer, or holder of  an approved BLA, including withdrawal of  the product from the 
market. In addition, changes to the manufacturing process or facility generally require prior FDA 
approval before being implemented and other types of  changes to the approved product, such as 
adding new indications and additional labeling claims, are also subject to further FDA review and 
approval.  

U.S. patent term restoration and marketing exclusivity  
Depending upon the timing, duration and specifics of  the FDA approval of  the use of  our product 
candidates, some of  our U.S. patents may be eligible for limited patent term extension under the 
Hatch-Waxman Amendments. The Hatch-Waxman Amendments permit a patent restoration term of  
up to five years as compensation for patent term lost during product development and the FDA 
regulatory review process. However, patent term restoration cannot extend the remaining term of  a 
patent beyond a total of  14 years from the product’s approval date. The patent term restoration period 
is generally one-half  the time between the effective date of  an IND and the submission date of  a 
BLA plus the time between the submission date of  a BLA and the approval of  that application. Only 
one  patent  applicable  to  an  approved  biological  product  is  eligible  for  the  extension  and  the 
application for the extension must be submitted prior to the expiration of  the patent. In addition, a 
patent can only be extended once and only for a single product. The USPTO, in consultation with the 
FDA, reviews and approves the application for any patent term extension or restoration. In the future, 
we may intend to apply for restoration of  patent term for one of  our patents, if  and as applicable, to 
add patent life beyond its current expiration date, depending on the expected length of  the clinical 
trials and other factors involved in the filing of  the relevant BLA.  

A biological product can obtain pediatric market exclusivity in the United States. Pediatric exclusivity, 
if  granted, adds six months to existing exclusivity periods, including some regulatory exclusivity 
periods tied to patent terms. This six-month exclusivity, which runs from the end of  other exclusivity 
protection or patent term, may be granted based on the voluntary completion of  a pediatric study in 
accordance with an FDA-issued “Written Request” for such a study.  

The ACA, signed into law on 23 March 2010, includes a subtitle called the Biologics Price Competition 
and Innovation Act of  2009 which created an abbreviated approval pathway for biological products 
shown to be similar to, or interchangeable with, an FDA-licensed reference biological product. This 
amendment to the PHS Act attempts to minimize duplicative testing. Biosimilarity, which requires that 
there  be  no  clinically  meaningful  differences  between  the  biological  product  and  the  reference 
product in terms of  safety, purity, and potency, can be shown through analytical studies, animal 
studies, and a clinical trial or trials. Interchangeability requires that a product is biosimilar to the 

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reference product and the product must demonstrate that it can be expected to produce the same 
clinical results as the reference product and, for products administered multiple times, the biologic 
and the reference biologic may be switched after one has been previously administered without 
increasing  safety  risks  or  risks  of   diminished  efficacy  relative  to  exclusive  use  of   the  reference 
biologic.  

A reference biological product is granted four- and 12-year exclusivity periods from the time of  first 
licensure of  the product. FDA will  not  accept  an  application  for  a biosimilar  or  interchangeable 
product based on the reference biological product until four years after the date of  first licensure of  
the reference product, and FDA will not approve an application for a biosimilar or interchangeable 
product based on the reference biological product until twelve years after the date of  first licensure 
of  the reference product. “First licensure” typically means the initial date the particular product at 
issue was licensed in the United States. Date of  first licensure does not include the date of  licensure 
of  (and a new period of  exclusivity is not available for) a biological product if  the licensure is for a 
supplement  for  the  biological  product  or  for  a  subsequent  application  by  the  same  sponsor  or 
manufacturer of  the biological product (or licensor, predecessor in interest, or other related entity) 
for a change (not including a modification to the structure of  the biological product) that results in a 
new indication, route of  administration, dosing schedule, dosage form, delivery system, delivery 
device or strength, or for a modification to the structure of  the biological product that does not result 
in a change in safety, purity, or potency. Therefore, one must determine whether a new product 
includes a modification to the structure of  a previously licensed product that results in a change in 
safety, purity, or potency to assess whether the licensure of  the new product is a first licensure that 
triggers  its  own  period  of   exclusivity.  Whether  a  subsequent  application,  if   approved,  warrants 
exclusivity as the “first licensure” of  a biological product is determined on a case-by-case basis with 
data submitted by the sponsor.  

Additional regulation  
In addition to the foregoing, state and federal laws regarding environmental protection and hazardous 
substances, including the Occupational Safety and Health Act, the Resource Conservancy and 
Recovery Act and the Toxic Substances Control Act, affect our business. These and other laws govern 
our use, handling and disposal of  various biological, chemical and radioactive substances used in, 
and wastes generated by, our operations. If  our operations result in contamination of  the environment 
or expose individuals to hazardous substances, we could be liable for damages and governmental 
fines. We believe that we are in material compliance with applicable environmental laws and that 
continued compliance therewith will not have a material adverse effect on our business. We cannot 
predict, however, how changes in these laws may affect our future operations.  

U.S. Foreign Corrupt Practices Act  
The  U.S.  Foreign  Corrupt  Practices  Act,  to  which  we  are  subject,  prohibits  corporations  and 
individuals from engaging in certain activities to obtain or retain business or to influence a person 
working in an official capacity. It is illegal to pay, offer to pay or authorize the payment of  anything of  
value  to  any  foreign  government  official,  government  staff   member,  political  party  or  political 
candidate in an attempt to obtain or retain business or to otherwise influence a person working in an 
official capacity.  

Government regulation outside of  the United States  
In addition to regulations in the United States, we are subject to a variety of  regulations in other 
jurisdictions  governing,  among  other  things,  research  and  development,  clinical  trials,  testing, 
manufacturing, safety, efficacy, labeling, packaging, storage, record keeping, distribution, reporting, 

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advertising and other promotional practices involving biological products as well as authorization 
and approval of  our products. Because biologically sourced raw materials are subject to unique 
contamination risks, their use may be restricted in some countries.  

The requirements and process governing the conduct of  clinical trials, product licensing, pricing and 
reimbursement vary from country to country. In all cases, the clinical trials must be conducted in 
accordance with GCP and the applicable regulatory requirements and the ethical principles that 
have their origin in the Declaration of  Helsinki. If  we fail to comply with applicable foreign regulatory 
requirements,  we  may  be  subject  to,  among  other  things,  fines,  suspension  of   clinical  trials, 
suspension or withdrawal of  regulatory approvals, product recalls, seizure of  products, operating 
restrictions and criminal prosecution. 

Clinical trials regulation 
Whether or not we obtain FDA approval for a product, we must obtain the requisite approvals from 
regulatory authorities in foreign countries prior to the commencement of  clinical trials or marketing 
of  the product in those countries. Certain countries outside of  the United States have a similar process 
that  requires  the  submission  of   a  clinical  trial  application  much  like  the  IND  prior  to  the 
commencement of  human clinical trials.  

In April 2014, the EU adopted the new Clinical Trials Regulation (EU) No 536/2014, or Regulation, 
which  replaced  the  Clinical  Trials  Directive  2001/20/EC,  or  Directive,  on  31  January  2022.  The 
transitory provisions of  the new Regulation offer sponsors the possibility to choose between the 
requirements of  the previous Directive and the new Regulation if  the request for authorization of  a 
clinical trial is submitted in the year after the new Regulation became applicable. If  the sponsor 
chooses to submit under the previous Directive, the clinical trial continues to be governed by the 
Directive until three years after the new Regulation became applicable. If  a clinical trial continues for 
more  than  three  years  after  the  Clinical  Trials  Regulation  became  applicable,  the  Clinical  Trials 
Regulation will at that time begin to apply to the clinical trial. The new Regulation overhauls the current 
system of  approvals for clinical trials in the EU. Specifically, the new Regulation, which is directly 
applicable  in  all  Member  States  (meaning  that  no  national  implementing  legislation  in  each  EU 
Member State is required), aims at simplifying and streamlining the approval of  clinical trials in the 
EU. The main characteristics of  the regulation include: a streamlined application procedure via a 
single-entry point through the Clinical Trials Information System, or CTIS; a single set of  documents 
to be prepared and submitted for the application as well as simplified reporting procedures for clinical 
trial sponsors; and a harmonized procedure for the assessment of  applications for clinical trials, 
which is divided in two parts (Part I contains scientific and medicinal product documentation and 
Part II contains the national and patient-level documentation). Part I is assessed by a coordinated 
review by the competent authorities of  all EU Member States in which an application for authorization 
of  a clinical trial has been submitted (Member States concerned) of  a draft report prepared by a 
Reference Member State. Part II is assessed separately by each Member State concerned. Strict 
deadlines have been established for the assessment of  clinical trial applications. The role of  the 
relevant ethics committees in the assessment procedure will continue to be governed by the national 
law of  the concerned EU Member State. However, overall related timelines will be defined by the 
Clinical Trials Regulation. 

Drug review and approval  
In the EU, medicinal products, including advanced therapy medicinal products, or ATMPs, are subject 
to extensive pre- and post-market regulation by regulatory authorities at both the EU and national 
levels. ATMPs comprise gene therapy products, somatic cell therapy products and tissue engineered 

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products. Gene therapy products deliver genes into the body that lead to a therapeutic, prophylactic 
or diagnostic effect. Libmeldy is authorized as a gene therapy product in the EU, and we anticipate 
that our gene therapy development products would also be regulated as ATMPs in the EU.  

To obtain regulatory approval of  an ATMP under EU regulatory systems, we must submit an MAA 
under the centralized procedure administered by the EMA. The application used to submit the BLA 
in the United States is similar to that required in the EU, with the exception of, among other things, 
certain  specific  requirements  set  out  in  Regulation  (EC)  No  1394/2007  on  advanced  therapy 
medicinal products, or the ATMP Regulation, for example certain particulars to be contained in the 
summary of  product characteristics. The centralized procedure provides for the grant of  a single 
marketing authorization by the European Commission that is valid across all of  the EU, and in the 
additional Member States of  the European Economic Area (Iceland, Liechtenstein and Norway). As 
provided  for  in  the  ATMP  Regulation,  the  scientific  evaluation  of   MAAs  for  ATMPs  is  primarily 
performed by a specialized scientific committee called the Committee for Advanced Therapies, or 
CAT. The CAT prepares a draft opinion on the quality, safety and efficacy of  the ATMP which is the 
subject of  the MAA, which is sent for final approval to the Committee for Medicinal Products for 
Human Use, or CHMP. The CHMP recommendation is then sent to the European Commission, which 
adopts a decision binding in all EU Member States. The maximum timeframe for the evaluation of  an 
MAA for an ATMP is 210 days from receipt of  a valid MAA, excluding clock stops when additional 
information or written or oral explanation is to be provided by the applicant in response to questions 
asked by the CAT and/or CHMP. Clock stops may extend the timeframe of  evaluation of  an MAA 
considerably beyond 210 days. Where the CHMP gives a positive opinion, the EMA provides the 
opinion together with supporting documentation to the European Commission, who make the final 
decision to grant a marketing authorization, which is issued within 67 days of  receipt of  the EMA’s 
recommendation. Accelerated assessment may be granted by the CHMP in exceptional cases, when 
a medicinal product is of  major public health interest, particularly from the viewpoint of  therapeutic 
innovation. If  the CHMP accepts such a request, the timeframe of  210 days for assessment will be 
reduced to 150 days (excluding clock stops), but it is possible that the CHMP may revert to the 
standard time limit for the centralized procedure if  it determines that the application is no longer 
appropriate to conduct an accelerated assessment. 

Now that the UK (which comprises Great Britain and Northern Ireland) has left the European Union, 
Great Britain will no longer be covered by centralized marketing authorizations (under the Northern 
Ireland Protocol, centralized marketing authorizations will continue to be recognized in Northern 
Ireland). All medicinal products with a current centralized marketing authorization were automatically 
converted to Great Britain marketing authorizations on 1 January 2021. For a period of  two years 
from 1 January 2021, the Medicines and Healthcare products Regulatory Agency, or MHRA, the UK 
medicines regulator, may rely on a decision taken by the European Commission on the approval of  
a new marketing authorization in the centralized procedure, in order to more quickly grant a new 
Great Britain marketing authorization. A separate application will, however, still be required. 

Data and marketing exclusivity 
The EEA also provides opportunities for market exclusivity. Upon receiving marketing authorization 
in the EEA, innovative medicinal products generally receive eight years of  data exclusivity and an 
additional two years of  market exclusivity. If  granted, data exclusivity prevents generic or biosimilar 
applicants from referencing the innovator’s preclinical and clinical trial data contained in the dossier 
of  the reference product when applying for a generic or biosimilar marketing authorization during a 
period of  eight years from the date on which the reference product was first authorized in the EEA. 
During  the  additional  two-year  period  of   market  exclusivity,  a  generic  or  biosimilar  marketing 

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authorization  can  be  submitted,  and  the  innovator’s  data  may  be  referenced,  but  no  generic  or 
biosimilar product can be marketed until the expiration of  the market exclusivity period. The overall 
ten-year period will be extended to a maximum of  eleven years if, during the first eight years of  those 
ten years, the marketing authorization holder obtains an authorization for one or more new therapeutic 
indications which, during the scientific evaluation prior to authorization, is held to bring a significant 
clinical benefit in comparison with existing therapies. Even if  an innovative medicinal product gains 
the prescribed period of  data exclusivity, another company may market another version of  the product 
if  such company obtained marketing authorization based on a MAA with a complete independent 
data  package  of   pharmaceutical  tests,  preclinical  tests  and  clinical  trials.  There  is,  however, 
no guarantee that a product will be considered by the European Union’s regulatory authorities to be 
an innovative medicinal product, and products may therefore not qualify for data exclusivity.  

Orphan designation and exclusivity 
Products with an orphan designation in the EU can receive ten years of  market exclusivity, during 
which time “no similar medicinal product” for the same indication may be placed on the market. 
A “similar medicinal product” is defined as a medicinal product containing a similar active substance 
or substances as contained in an authorized orphan medicinal product, and which is intended for 
the same therapeutic indication. An orphan product can also obtain an additional two years of  market 
exclusivity in the EU where an agreed pediatric investigation plan for pediatric studies has been 
complied with. No extension to any supplementary protection certificate can be granted on the basis 
of  pediatric studies for orphan indications.  

The criteria for designating an “orphan medicinal product” in the EU are similar in principle to those 
in the United States. Under Article 3 of  Regulation (EC) 141/2000, a medicinal product may be 
designated as an orphan medicinal product if  it meets the following criteria: (1) it is intended for the 
diagnosis, prevention or treatment of  a life-threatening or chronically debilitating condition; and 
(2) either (i) the prevalence of  such condition must not be more than five in 10,000 persons in the EU 
when the application is made, or (ii) without the benefits derived from orphan status, it must be unlikely 
that the marketing of  the medicine would generate sufficient return in the EU to justify the investment 
needed for its development; and (3) there exists no satisfactory method of  diagnosis, prevention or 
treatment of  such condition authorized for marketing in the EU, or if  such a method exists, the product 
will  be  of   significant  benefit  to  those  affected  by  the  condition,  as  defined  in  Regulation  (EC) 
847/2000. Orphan medicinal products are eligible for financial incentives such as reduction of  fees 
or fee waivers and are, upon grant of  a marketing authorization, entitled to ten years of  market 
exclusivity for the approved therapeutic indication. The application for orphan designation must be 
submitted before the application for marketing authorization. The applicant will receive a fee reduction 
for the MAA if  the orphan designation has been granted, but not if  the designation is still pending at 
the time the marketing authorization is submitted. Orphan designation does not convey any advantage 
in, or shorten the duration of, the regulatory review and approval process.  

(cid:129)

(cid:129)

(cid:129)

a second applicant can establish that its product, although similar, is safer, more effective or 
otherwise clinically superior;  

the marketing authorization holder of  the authorized orphan product consents to a second orphan 
medicinal product application; or  

the  marketing  authorization  holder  of   the  authorized  orphan  product  cannot  supply  enough 
orphan medicinal product.  

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Since 1 January 2021, a separate process for orphan designation has applied in Great Britain. There 
is now no pre-marketing authorization orphan designation (as there is in the EU) in Great Britain and 
the application for orphan designation will be reviewed by the MHRA at the time of  an MAA for a UK 
or Great Britain MA. The criteria for orphan designation are the same as in the EU, save that they 
apply to Great Britain only (e.g., there must be no satisfactory method of  diagnosis, prevention or 
treatment of  the condition concerned in Great Britain, as opposed to the EU, and the prevalence of  
the condition must not be more than five in 10,000 persons in the EU). 

Pediatric development  
In the EU, companies developing a new medicinal product must agree upon a pediatric investigation 
plan, or PIP, with the EMA’s Pediatric Committee, or PDCO, and must conduct pediatric clinical trials 
in accordance with that PIP, unless a waiver applies, (e.g., because the relevant disease or condition 
occurs only in adults). The PIP sets out the timing and measures proposed to generate data to 
support a pediatric indication of  the drug for which marketing authorization is being sought. The 
MAA for the product must include the results of  pediatric clinical trials conducted in accordance with 
the PIP, unless a waiver applies, or a deferral has been granted by the PDCO of  the obligation to 
implement some or all of  the measures of  the PIP until there are sufficient data to demonstrate the 
efficacy  and  safety  of   the  product  in  adults,  in  which  case  the  pediatric  clinical  trials  must  be 
completed at a later date. Products that are granted a marketing authorization with the results of  the 
pediatric clinical trials conducted in accordance with the PIP are eligible for a six-month extension 
of   the  protection  under  a  supplementary  protection  certificate  (if   any  is  in  effect  at  the  time  of  
approval) even where the trial results are negative. In the case of  orphan medicinal products, a two-
year extension of  the orphan market exclusivity may be available. This pediatric reward is subject to 
specific conditions and is not automatically available when data in compliance with the PIP are 
developed and submitted.  

PRIME Designation  
In March 2016, the EMA launched an initiative to facilitate development of  product candidates in 
indications, often rare, for which few or no therapies currently exist. The PRIority MEdicines, or PRIME, 
scheme is intended to encourage drug development in areas of  unmet medical need and provides 
accelerated assessment of  products representing substantial innovation, where the MAA will be 
made through the centralized procedure. Eligible products must target conditions for which where is 
an unmet medical need (there is no satisfactory method of  diagnosis, prevention or treatment in the 
EEA  or,  if   there  is,  the  new  medicine  will  bring  a  major  therapeutic  advantage)  and  they  must 
demonstrate the potential to address the unmet medical need by introducing new methods of  therapy 
or improving existing ones. Products from small- and medium-sized enterprises may qualify for earlier 
entry into the PRIME scheme than larger companies. Many benefits accrue to sponsors of  product 
candidates  with  PRIME  designation,  including  but  not  limited  to,  early  and  proactive  regulatory 
dialogue with the EMA, frequent discussions on clinical trial designs and other development program 
elements, and accelerated MAA assessment once a dossier has been submitted. Importantly, a 
dedicated EMA contact and rapporteur from the CHMP or CAT are appointed early in the PRIME 
scheme facilitating increased understanding of  the product at EMA’s Committee level. A kick-off  
meeting initiates these relationships and includes a team of  multidisciplinary experts at the EMA to 
provide guidance on the overall development and regulatory strategies. Where, during the course of  
development, a medicine no longer meets the eligibility criteria, support under the PRIME scheme 
may be withdrawn. 

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Post-approval controls  
Following approval, the holder of  the marketing authorization is required to comply with a range of  
requirements  applicable  to  the  manufacturing,  marketing,  promotion  and  sale  of   the  medicinal 
product. These include the following: 

(cid:129)

The holder of  a marketing authorization must establish and maintain a pharmacovigilance system 
and appoint an individual qualified person for pharmacovigilance, who is responsible for oversight 
of   that  system.  Key  obligations  include  expedited  reporting  of   suspected  serious  adverse 
reactions and submission of  periodic safety update reports, or PSURs.  

(cid:129) All new MAAs must include a risk management plan, or RMP, describing the risk management 
system that the company will put in place and documenting measures to prevent or minimize the 
risks associated with the product. The regulatory authorities may also impose specific obligations 
as  a  condition  of   the  marketing  authorization.  Such  risk-minimization  measures  or  post-
authorization obligations may include additional safety monitoring, more frequent submission of  
PSURs, or the conduct of  additional clinical trials or post-authorization safety studies. RMPs and 
PSURs are routinely available to third parties requesting access, subject to limited redactions.  

(cid:129) All advertising and promotional activities for the product must be consistent with the approved 
SmPC  and  therefore  all  off-label  promotion  is  prohibited.  Direct-to-consumer  advertising  of  
prescription medicines is also prohibited in the European Union. Although general requirements 
for advertising and promotion of  medicinal products are established under European Union 
directives, the details are governed by regulations in each European Union Member State and 
can differ from one country to another.  

Brexit and the Regulatory Framework in the UK  
In June 2016, the electorate in the UK voted in favor of  leaving the EU (commonly referred to as 
“Brexit”), and the UK formally left the EU on 31 January 2020. There was a transition period during 
which EU pharmaceutical laws continued to apply to the UK, which expired on 31 December 2020. 
However, the EU and the UK have concluded a trade and cooperation agreement, or TCA, which was 
provisionally applicable since 1 January 2021 and has been formally applicable since 1 May 2021. 
The  TCA  includes  specific  provisions  concerning  pharmaceuticals,  which  include  the  mutual 
recognition  of   GMP,  inspections  of   manufacturing  facilities  for  medicinal  products  and  GMP 
documents issued, but does not foresee wholesale mutual recognition of  UK and EU pharmaceutical 
regulations. At present, Great Britain has implemented EU legislation on the marketing, promotion 
and sale of  medicinal products through the Human Medicines Regulations 2012 (as amended) (under 
the Northern Ireland Protocol, the EU regulatory framework will continue to apply in Northern Ireland). 
The regulatory regime in Great Britain therefore largely aligns with current EU regulations, however 
it is possible that these regimes will diverge in future now that Great Britain’s regulatory system is 
independent  from  the  EU  and  the  TCA  does  not  provide  for  mutual  recognition  of   UK  and  EU 
pharmaceutical legislation.  

Other healthcare laws and compliance requirements  
In the United States, our current and future operations are subject to regulation by various federal, 
state and local authorities in addition to the FDA, including but not limited to, the Centers for Medicare 
and  Medicaid  Services,  or  CMS,  other  divisions  of   the  U.S.  Department  of   Health  and  Human 
Services, or HHS (such as the Office of  Inspector General, Office for Civil Rights and the Health 
Resources and Service Administration), the U.S. Department of  Justice, or DOJ, and individual U.S. 
Attorney offices within the DOJ, and state and local governments. For example, our clinical research, 
sales, marketing and scientific/educational grant programs may have to comply with the anti-fraud 

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and abuse provisions of  the Social Security Act, the false claims laws, the privacy and security 
provisions of  the federal Health Insurance Portability and Accountability Act of  1996, or HIPAA, and 
similar state laws, each as amended, as applicable: 

(cid:129)

(cid:129)

(cid:129)

the federal Anti-Kickback Statute, which prohibits, among other things, knowingly and willfully 
soliciting, receiving, offering or paying any remuneration (including any kickback, bribe, or rebate), 
directly or indirectly, overtly or covertly, in cash or in kind, to induce, or in return for, either the 
referral of  an individual, or the purchase, lease, order, arrangement or recommendation of  any 
good, facility, item or service for which payment may be made, in whole or in part, under a federal 
healthcare program, such as the Medicare and Medicaid programs; a person or entity does not 
need to have actual knowledge of  the federal Anti-Kickback Statute or specific intent to violate it 
to have committed a violation. In addition, the government may assert that a claim including items 
or services resulting from a violation of  the federal Anti-Kickback Statute constitutes a false or 
fraudulent claim for purposes of  the federal False Claims Act or federal civil money penalties 
statute;  

the federal civil and criminal false claims laws and civil monetary penalty laws, including the False 
Claims Act, which prohibit, among other things, individuals or entities from knowingly presenting, 
or causing to be presented, false or fraudulent claims for payment to, or approval by Medicare, 
Medicaid, or other federal healthcare programs, knowingly making, using or causing to be made 
or used a false record or statement material to a false or fraudulent claim or an obligation to pay 
or  transmit  money  to  the  federal  government,  or  knowingly  concealing  or  knowingly  and 
improperly  avoiding  or  decreasing  or  concealing  an  obligation  to  pay  money  to  the  federal 
government. Manufacturers can be held liable under the False Claims Act even when they do 
not submit claims directly to government payers if  they are deemed to “cause” the submission 
of  false or fraudulent claims. The False Claims Act also permits a private individual acting as a 
“whistleblower” to bring actions on behalf  of  the federal government alleging violations of  the 
False Claims Act and to share in any monetary recovery;  

the  anti-inducement  law,  which  prohibits,  among  other  things,  the  offering  or  giving  of  
remuneration, which includes, without limitation, any transfer of  items or services for free or for 
less than fair market value (with limited exceptions), to a Medicare or Medicaid beneficiary that 
the person knows or should know is likely to influence the beneficiary’s selection of  a particular 
supplier of  items or services reimbursable by a federal or state governmental program;  

(cid:129) HIPAA, which created new federal criminal statutes that prohibit knowingly and willfully executing, 
or attempting to execute, a scheme to defraud any healthcare benefit program or obtain, by 
means  of   false  or  fraudulent  pretenses,  representations,  or  promises,  any  of   the  money  or 
property owned by, or under the custody or control of, any healthcare benefit program, regardless 
of  the payor (e.g., public or private) and knowingly and willfully falsifying, concealing or covering 
up by any trick or device a material fact or making any materially false, fictitious, or fraudulent 
statements  or  representations  in  connection  with  the  delivery  of,  or  payment  for,  healthcare 
benefits, items or services relating to healthcare matters; similar to the federal Anti-Kickback 
Statute, a person or entity does not need to have actual knowledge of  the statute or specific intent 
to violate it in order to have committed a violation;  

(cid:129) HIPAA, as amended by the Health Information Technology for Economic and Clinical Health Act 
of  2009, and their respective implementing regulations, which impose requirements on certain 
covered  healthcare  providers,  health  plans,  and  healthcare  clearinghouses  as  well  as  their 
respective business associates that perform services for them that involve the use, or disclosure 

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of, individually identifiable health information, relating to the privacy, security and transmission of  
individually identifiable health information;  

(cid:129)

(cid:129)

(cid:129)

the federal transparency requirements under the ACA, including the provision commonly referred 
to as the Physician Payments Sunshine Act, and its implementing regulations, which requires 
applicable manufacturers of  drugs, devices, biologics and medical supplies for which payment 
is available under Medicare, Medicaid or the Children’s Health Insurance Program to report 
annually to the U.S. Department of  Health and Human Services, CMS, information related to 
payments or other transfers of  value made to physicians (defined to include doctors, dentists, 
optometrists, podiatrists and chiropractors) and teaching hospitals, as well as ownership and 
investment interests held by the physicians described above and their immediate family members. 
Effective 1 January 2022, these reporting obligations extend to include transfers of  value made 
to certain non-physician providers such as physician assistants and nurse practitioners;  

federal government price reporting laws, which require us to calculate and report complex pricing 
metrics in an accurate and timely manner to government programs; and  

federal consumer protection and unfair competition laws, which broadly regulate marketplace 
activities and activities that potentially harm consumers.  

Additionally, we are subject to state and foreign equivalents of  each of  the healthcare laws and 
regulations described above, among others, some of  which may be broader in scope and may apply 
regardless of  the payor. Many U.S. states have adopted laws similar to the federal Anti-Kickback 
Statute and False Claims Act, and may apply to our business practices, including, but not limited to, 
research, distribution, sales or marketing arrangements and claims involving healthcare items or 
services reimbursed by non-governmental payors, including private insurers. In addition, some states 
have passed laws that require pharmaceutical companies to comply with the April 2003 Office of  
Inspector General Compliance Program Guidance for Pharmaceutical Manufacturers and/or the 
Pharmaceutical Research and Manufacturers of  America’s Code on Interactions with Healthcare 
Professionals. Several states also impose other marketing restrictions or require pharmaceutical 
companies to make marketing or price disclosures to the state. There are ambiguities as to what is 
required to comply with these state requirements and if  we fail to comply with an applicable state 
law requirement, we could be subject to penalties. Finally, there are state and foreign laws governing 
the privacy and security of  health information (e.g., the California Consumer Privacy Act), many of  
which  differ  from  each  other  in  significant  ways  and  often  are  not  preempted  by  HIPAA,  thus 
complicating compliance efforts.  

We may also be subject to additional privacy restrictions. The collection, use, storage, disclosure, 
transfer, or other processing of  personal data regarding individuals in the European Economic Area, 
or EEA, including personal health data, is subject to the General Data Protection Regulation 2016/679 
(EU GDPR), which became effective on 25 May 2018. Further to Brexit on 31 January 2020 and the 
expiry of  the subsequent transition period on 31 December 2020, the EU GDPR has been brought 
into UK law as the “UK GDPR”. In the present document, references to “GDPR” are meant to include 
both the EU and the UK GDPR, unless specified. The GDPR is wide-ranging in scope and imposes 
numerous requirements on companies that process personal data.  

Because of  the breadth of  these laws and the narrowness of  the statutory exceptions and safe 
harbors available, it is possible that some of  our business activities could be subject to challenge 
under one or more of  such laws.  

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Violations of  fraud and abuse laws may be punishable by criminal and/or civil sanctions, including 
penalties, fines, imprisonment and/or exclusion or suspension from federal and state healthcare 
programs such as Medicare and Medicaid and debarment from contracting with the U.S. government. 
In addition, private individuals have the ability to bring actions on behalf  of  the U.S. government 
under the federal False Claims Act as well as under the false claims laws of  several states.  

Law enforcement authorities are increasingly focused on enforcing fraud and abuse laws, and it is 
possible that some of  our practices may be challenged under these laws. Efforts to ensure that our 
current and future business arrangements with third parties, and our business generally, will comply 
with  applicable  healthcare  laws  and  regulations  will  involve  substantial  costs.  If   our  operations, 
including our arrangements with physicians and other healthcare providers are found to be in violation 
of  any of  such laws or any other governmental regulations that apply to us, we may be subject to 
penalties, including, without limitation, administrative, civil and criminal penalties, damages, fines, 
disgorgement, contractual damages, reputational harm, diminished profits and future earnings, the 
curtailment  or  restructuring  of   our  operations,  exclusion  from  participation  in  federal  and  state 
healthcare programs (such as Medicare and Medicaid), and imprisonment, any of  which could 
adversely affect our ability to operate our business and our financial results. In addition, our gene 
therapy  programs  for  Strimvelis  and  Libmeldy  were  approved  by  the  EMA  in  2016  and  2020, 
respectively, and the approval and commercialisation of  Strimvelis and Libmeldy subjects us to 
foreign equivalents of  the healthcare laws mentioned above, among other foreign laws. The approval 
and commercialisation of  any of  our other gene therapies outside the United States will also likely 
subject us to foreign equivalents of  the healthcare laws mentioned above, among other foreign laws.  

If  any of  the physicians or other healthcare providers or entities with whom we expect to do business 
are found to be not in compliance with applicable laws, they may be subject to criminal, civil or 
administrative sanctions, including exclusions from government funded healthcare programs, which 
may also adversely affect our business.  

The risk of  our being found in violation of  these laws is increased by the fact that many of  these laws 
have not been fully interpreted by the regulatory authorities or the courts, and their provisions are 
open to a variety of  interpretations. Any action against us for violation of  these laws, even if  we 
successfully defend against it, could cause us to incur significant legal expenses and divert our 
management’s attention from the operation of  our business. The shifting compliance environment 
and the need to build and maintain a robust system to comply with multiple jurisdictions with different 
compliance and reporting requirements increases the possibility that a healthcare company may 
violate one or more of  the requirements. Efforts to ensure that our business arrangements with third 
parties will comply with applicable healthcare laws and regulations will involve substantial cost.  

Healthcare reform 
A primary trend in the U.S. healthcare industry and elsewhere is cost containment. Government 
authorities and other payors have attempted to control costs by limiting coverage and the amount of  
reimbursement for particular medical products. For example, in March 2010, the Patient Protection 
and Affordable Care Act, as amended by the Health Care and Education Reconciliation Act of  2010, 
or ACA, was enacted, which, among other things, increased the minimum Medicaid rebates owed 
by most manufacturers under the Medicaid Drug Rebate Program; introduced a new methodology 
by which rebates owed by manufacturers under the Medicaid Drug Rebate Program are calculated 
for drugs that are inhaled, infused, instilled, implanted or injected; extended the Medicaid Drug 
Rebate Program to utilization of  prescriptions of  individuals enrolled in Medicaid managed care 
plans; imposed mandatory discounts for certain Medicare Part D beneficiaries as a condition for 
manufacturers’ outpatient drugs coverage under Medicare Part D; subjected drug manufacturers to 

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new annual, nondeductible fees based on pharmaceutical companies’ share of  sales to federal 
healthcare programs; imposed a new federal excise tax on the sale of  certain medical devices; 
expanded healthcare fraud and abuse laws, including the False Claims Act and the Anti-Kickback 
Statute, new government investigative powers and enhanced penalties for non-compliance; expanded 
eligibility criteria for Medicaid programs by, among other things, allowing states to offer Medicaid 
coverage to additional individuals with income at or below 133% of  the federal poverty level, thereby 
potentially increasing manufacturers’ Medicaid rebate liability; expanded the entities eligible for 
discounts under the PHS Act’s pharmaceutical pricing program, also known as the 340B Drug Pricing 
Program; created new requirements to report financial arrangements with physicians and teaching 
hospitals, commonly referred to as the Physician Payments Sunshine Act; created a new requirement 
to annually report the identity and quantity of  drug samples that manufacturers and authorized 
distributors of  record provide to physicians; created a new Patient Centered Outcomes Research 
Institute to oversee, identify priorities in and conduct comparative clinical effectiveness research, 
along with funding for such research; and established the Center for Medicare Innovation at the CMS 
to test innovative payment and service delivery models to lower Medicare and Medicaid spending.  

Some of  the provisions of  the ACA have yet to be implemented, and there have been legal and 
political challenges to certain aspects of  the ACA. Since its enactment, there have been judicial, 
Congressional  and  executive  challenges  to  certain  aspects  of   the  ACA.  In  June  2021,  the  U.S. 
Supreme Court dismissed the most recent judicial challenge to the ACA brought by several states 
without specifically ruling on the constitutionality of  the ACA. Prior to the Supreme Court’s decision, 
President Biden issued an executive order to initiate a special enrollment period from 15 February 
2021 through 15 August 2021 for purposes of  obtaining health insurance coverage through the ACA 
marketplace.  The  executive  order  also  instructed  certain  governmental  agencies  to  review  and 
reconsider their existing policies and rules that limit access to healthcare, including among others, 
reexamining Medicaid demonstration projects and waiver programs that include work requirements, 
and policies that create unnecessary barriers to obtaining access to health insurance coverage 
through Medicaid or the ACA. It is unclear how other healthcare reform measures of  the Biden 
administration or other efforts, if  any, to challenge, repeal or replace the ACA will impact our business. 

Prior to the Biden administration, in October 2017, former President Trump signed an Executive Order 
terminating the cost-sharing subsidies that reimburse insurers under the ACA. The former Trump 
administration concluded that cost-sharing reduction, or CSR, payments to insurance companies 
required under the ACA have not received necessary appropriations from Congress and announced 
that it will discontinue these payments immediately until those appropriations are made. Several state 
Attorneys General filed suit to stop the administration from terminating the subsidies, but their request 
for a restraining order was denied by a federal judge in California on 25 October 2017. On 14 August 
2020, the U.S. Court of  Appeals for the Federal Circuit ruled in two separate cases that the federal 
government is liable for the full amount of  unpaid CSRs for the years preceding and including 2017. 
For CSR claims made by health insurance companies for years 2018 and later, further litigation will 
be required to determine the amounts due, if  any. Further, on 14 June 2018, the U.S. Court of  Appeals 
for the Federal Circuit ruled that the federal government was not required to pay more than $12 billion 
in ACA risk corridor payments to third-party payors who argued the payments were owed to them. 
On 27 April 2020, the United States Supreme Court reversed the U.S. Court of  Appeals for the Federal 
Circuit’s  decision  and  remanded  the  case  to  the  U.S.  Court  of   Federal  Claims,  concluding  the 
government has an obligation to pay these risk corridor payments under the relevant formula. It is 
unclear what impact these rulings will have on our business. 

In addition, CMS published a final rule that would give states greater flexibility as of  2020 in setting 
benchmarks for insurers in the individual and small group marketplaces, which may have the effect 

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of   relaxing  the  essential  health  benefits  required  under  the  ACA  for  plans  sold  through  such 
marketplaces. 

On  20  December  2019,  former  President  Trump  signed  into  law  the  Further  Consolidated 
Appropriations Act (H.R. 1865), which repeals the Cadillac tax, the health insurance provider tax, 
and the medical device excise tax. It is impossible to determine whether similar taxes could be 
instated in the future. Other legislative changes have been proposed and adopted since the ACA 
was enacted:  

(cid:129)

In August 2011, President Obama signed into law the Budget Control Act of  2011, which, among 
other things, created the Joint Select Committee on Deficit Reduction to recommend to Congress 
proposals  in  spending  reductions.  The  Joint  Select  Committee  on  Deficit  Reduction  did  not 
achieve a targeted deficit reduction of  at least $1.2 trillion for fiscal years 2012 through 2021, 
triggering the legislation’s automatic reduction to several government programs. This includes 
aggregate reductions to Medicare payments to providers of  up to 2% per fiscal year, which went 
into effect beginning on 1 April 2013 and, due to legislation amendments to the statute, including 
the BBA, will stay in effect through 2030 unless additional Congressional action is taken. However, 
pursuant  to  the  Coronavirus  Aid,  Relief   and  Economic  Security  Act,  or  CARES  Act,  and 
subsequent legislation, these Medicare sequester reductions are suspended from 1 May 2020 
through 31 March 2022 due to the COVID-19 pandemic. Following the temporary suspension, a 
1% payment reduction will occur beginning 1 April 2022 through 30 June 2022, and the 2% 
payment reduction will resume on 1 July 2022. 

(cid:129)

In January 2013, the American Taxpayer Relief  Act of  2012 was signed into law, which, among 
other  things,  further  reduced  Medicare  payments  to  several  types  of   providers,  including 
hospitals, imaging centers and cancer treatment centers, and increased the statute of  limitations 
period for the government to recover overpayments to providers from three to five years.  

(cid:129) On  13  April  2017,  CMS  published  a  final  rule  that  gives  states  greater  flexibility  in  setting 
benchmarks for insurers in the individual and small group marketplaces, which may have the 
effect of  relaxing the essential health benefits required under the ACA for plans sold through 
such marketplaces. 

(cid:129) On 30 May 2018, the Right to Try Act, was signed into law. The law, among other things, provides 
a federal framework for certain patients to access certain investigational new drug products that 
have completed a Phase 1 clinical trial and that are undergoing investigation for FDA approval. 
Under certain circumstances, eligible patients can seek treatment without enrolling in clinical 
trials and without obtaining FDA permission under the FDA expanded access program. There is 
no obligation for a pharmaceutical manufacturer to make its drug products available to eligible 
patients as a result of  the Right to Try Act.  

(cid:129) On 23 May 2019, CMS published a final rule to allow Medicare Advantage Plans the option of  

using step therapy for Part B drugs beginning 1 January 2020.  

(cid:129) On  20  December  2019,  former  President  Trump  signed  into  law  the  Further  Consolidated 
Appropriations Act (H.R. 1865), which repealed the Cadillac tax, the health insurance provider 
tax, and the medical device excise tax. It is impossible to determine whether similar taxes could 
be instated in the future. 

Additionally, there has been increasing legislative and enforcement interest in the United States with 
respect  to  specialty  drug  pricing  practices.  Specifically,  there  have  been  several  recent  U.S. 
Congressional inquiries and proposed and enacted federal and state legislation designed to, among 
other things, bring more transparency to drug pricing, reduce the cost of  prescription drugs under 

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Medicare, review the relationship between pricing and manufacturer patient programs, and reform 
government  program  reimbursement  methodologies  for  drugs.  At  the  federal  level,  the  Trump 
administration’s budget proposal for fiscal year 2021 includes a $135 billion allowance to support 
legislative proposals seeking to reduce drug prices, increase competition, lower out-of-pocket drug 
costs for patients, and increase patient access to lower-cost generic and biosimilar drugs. On 10 March 
2020, the Trump administration sent “principles” for drug pricing to Congress, calling for legislation that 
would, among other things, cap Medicare Part D beneficiary out-of-pocket pharmacy expenses, provide 
an option to cap Medicare Part D beneficiary monthly out-of-pocket expenses, and place limits on 
pharmaceutical price increases. Further, the Trump administration also previously released a “Blueprint”, 
or plan, to lower drug prices and reduce out of  pocket costs of  drugs that contains additional proposals 
to increase drug manufacturer competition, increase the negotiating power of certain federal healthcare 
programs, incentivize manufacturers to lower the list price of  their products, and reduce the out of  
pocket costs of  drug products paid by consumers. HHS has already started the process of  soliciting 
feedback on some of  these measures and, at the same, is immediately implementing others under its 
existing authority. For example, in May 2019, CMS issued a final rule to allow Medicare Advantage Plans 
the option of  using step therapy, a type of  prior authorization, for Part B drugs beginning 1 January 
2020. This final rule codified CMS’s policy change that became effective 1 January 2019. In addition, 
there has been several changes to the 340B drug pricing program, which imposes ceilings on prices 
that  drug  manufacturers  can  charge  for  medications  sold  to  certain  health  care  facilities.  On 
27 December 2018, the District Court for the District of  Columbia invalidated a reimbursement formula 
change under the 340B drug pricing program, and CMS subsequently altered the FYs 2019 and 2018 
reimbursement formula on specified covered outpatient drugs (“SCODs”). The court ruled this change 
was  not  an  “adjustment”  which  was  within  the  Secretary’s  discretion  to  make  but  was  instead  a 
fundamental change in the reimbursement calculation. However, most recently, on 31 July 2020, the 
U.S. Court of  Appeals for the District of  Columbia Circuit overturned the district court’s decision and 
found that the changes were within the Secretary’s authority. On 14 September 2020, the plaintiffs-
appellees  filed  a  Petition  for  Rehearing  En  Banc  (i.e.,  before  the  full  court),  but  was  denied  on 
16 October 2020. Plaintiffs-appellees filed a petition for a writ of  certiorari at the Supreme Court on 
10 February 2021. On Friday 2 July 2021, the Supreme Court granted the petition. It is unclear how 
these developments could affect covered hospitals who might purchase our future products and affect 
the rates we may charge such facilities for our approved products in the future, if  any. While a number 
of   these  and  other  proposed  measures  will  require  authorization  through  additional  legislation  to 
become effective, Congress and has indicated that it will continue to seek new legislative and/or 
administrative measures to control drug costs.  

Additionally, there has been increasing legislative and enforcement interest in the United States with 
respect to drug pricing practices. Specifically, there has been heightened governmental scrutiny over 
the manner in which manufacturers set prices for their marketed products, which has resulted in 
several  U.S.  Congressional  inquiries  and  proposed  and  enacted  federal  and  state  legislation 
designed  to,  among  other  things,  bring  more  transparency  to  drug  pricing,  reduce  the  cost  of  
prescription drugs under Medicare, and review the relationship between pricing and manufacturer 
patient programs. At a federal level, President Biden signed an Executive Order on 9 July 2021 
affirming the administration’s policy to (i) support legislative reforms that would lower the prices of  
prescription drug and biologics, including by allowing Medicare to negotiate drug prices, by imposing 
inflation caps, and, by supporting the development and market entry of  lower-cost generic drugs 
and biosimilars; and (ii) support the enactment of  a public health insurance option. Among other 
things, the Executive Order also directs HHS to provide a report on actions to combat excessive 
pricing of  prescription drugs, enhance the domestic drug supply chain, reduce the price that the 
Federal government pays for drugs, and address price gouging in the industry; and directs the FDA 

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to work with states and Indian Tribes that propose to develop section 804 Importation Programs in 
accordance with the Medicare Prescription Drug, Improvement, and Modernization Act of  2003, and 
the FDA’s implementing regulations. FDA released such implementing regulations on 24 September 
2020, which went into effect on 30 November 2020, providing guidance for states to build and submit 
importation plans for drugs from Canada. On 25 September 2020, CMS stated drugs imported by 
states under this rule will not be eligible for federal rebates under Section 1927 of  the Social Security 
Act and manufacturers would not report these drugs for “best price” or Average Manufacturer Price 
purposes. Since these drugs are not considered covered outpatient drugs, CMS further stated it will 
not publish a National Average Drug Acquisition Cost for these drugs. If  implemented, importation 
of  drugs from Canada may materially and adversely affect the price we receive for any of  our product 
candidates. Further, on 20 November 2020 CMS issued an Interim Final Rule implementing the Most 
Favored Nation, or MFN, Model under which Medicare Part B reimbursement rates would have been 
be calculated for certain drugs and biologicals based on the lowest price drug manufacturers receive 
in Organization for Economic Cooperation and Development countries with a similar gross domestic 
product per capita. However, on 29 December 2021 CMS rescinded the Most Favored Nations rule. 
Additionally, on 30 November 2020, HHS published a regulation removing safe harbor protection for 
price reductions from pharmaceutical manufacturers to plan sponsors under Part D, either directly 
or through pharmacy benefit managers, unless the price reduction is required by law. The rule also 
creates a new safe harbor for price reductions reflected at the point-of-sale, as well as a safe harbor 
for certain fixed fee arrangements between pharmacy benefit managers and manufacturers. Pursuant 
to court order, the removal and addition of  the aforementioned safe harbors were delayed and recent 
legislation imposed a moratorium on implementation of  the rule until 1 January 2026. Although a 
number  of   these  and  other  proposed  measures  may  require  authorization  through  additional 
legislation to become effective, and the Biden administration may reverse or otherwise change these 
measures, both the Biden administration and Congress have indicated that they will continue to seek 
new legislative measures to control drug costs. 

Individual states in the United States have also increasingly passed legislation and implemented 
regulations  designed  to  control  pharmaceutical  product  pricing,  including  price  or  patient 
reimbursement constraints, discounts, restrictions on certain product access and marketing cost 
disclosure and transparency measures, and, in some cases, designed to encourage importation from 
other countries and bulk purchasing.  

Coverage and reimbursement  
Significant uncertainty exists as to the coverage and reimbursement status of  any gene therapies for 
which we obtain regulatory approval. In the United States and markets in other countries, sales of  
any gene therapies for which we receive regulatory approval for commercial sale will depend, in part, 
on  the  availability  of   coverage  and  reimbursement  from  payors.  Payors  include  government 
authorities, managed care providers, private health insurers and other organizations. Patients who 
are prescribed treatments for their conditions and providers generally rely on these third-party payors 
to reimburse all or part of  the associated healthcare. The process for determining whether a payor 
will provide coverage for a product may be separate from the process for setting the reimbursement 
rate that the payor will pay for the product. Payors may limit coverage to specific products on an 
approved list, or formulary, which might not include all of  the FDA-approved products for a particular 
indication. A decision by a payor not to cover our gene therapies could reduce physician utilization 
of  our products once approved and have a material adverse effect on our sales, results of  operations 
and financial condition. Moreover, a payor’s decision to provide coverage for a product does not imply 
that an adequate reimbursement rate will be approved. Adequate third-party reimbursement may 

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not be available to enable us to maintain price levels sufficient to realize an appropriate return on our 
investment in product development and manufacturing costs. Further, due to the COVID-19 pandemic, 
millions  of   individuals  have  lost  or  may  lose  employer-based  insurance  coverage,  which  may 
adversely affect our ability to commercialise our products in certain jurisdictions. 

In addition, coverage and reimbursement for products can differ significantly from payor to payor. 
One payor’s decision to cover a particular medical product or service does not ensure that other 
payors will also provide coverage for the medical product or service, or will provide coverage at an 
adequate reimbursement rate. In the United States, the principal decisions about reimbursement for 
new medicines are typically made by the Centers for Medicare & Medicaid Services, or CMS, an 
agency within the U.S. Department of  Health and Human Services. CMS decides whether and to 
what extent a new medicine will be covered and reimbursed under Medicare and private payors tend 
to follow CMS to a substantial degree. 

Additionally, the coverage determination process will require us to provide scientific and clinical 
support for the use of  our products to each payor separately and will be a time-consuming process.  

Payors  are  increasingly  challenging  the  price  and  examining  the  medical  necessity  and  cost-
effectiveness of  medical products and services, in addition to their safety and efficacy. In order to 
obtain  and  maintain  coverage  and  reimbursement  for  any  product,  we  may  need  to  conduct 
expensive evidence generation studies in order to demonstrate the medical necessity and cost-
effectiveness of  such a product, in addition to the costs required to obtain regulatory approvals. 
If  payors do not consider a product to be cost-effective compared to current standards of  care, they 
may not cover the product as a benefit under their plans or, if  they do, the level of  payment may not 
be sufficient to allow a company to cover its costs or make a profit.  

Outside of  the United States, the pricing of  pharmaceutical products is subject to governmental 
control in many countries. For example, in the EU, pricing and reimbursement schemes vary widely 
from  country  to  country.  Some  countries  provide  that  products  may  be  marketed  only  after  a 
reimbursement price has been agreed with the government authority. Furthermore, some countries 
may  require  the  completion  of   additional  studies  that  compare  the  effectiveness  and/or  cost-
effectiveness  of   a  particular  therapy  to  current  standards  of   care  as  part  of   so-called  health 
technology assessments, or HTAs, in order to obtain reimbursement or pricing approval. Additionally, 
there may be a need for activities to secure reimbursement for procedures associated with products 
administered in a hospital setting, such as Libmeldy, under the diagnosis-related group, or DRG, 
system, whereby a billing code may not exist or may be currently insufficient to cover the cost of  the 
procedure.  In  other  instances,  countries  may  monitor  and  control  product  volumes  and  issue 
guidance to physicians to limit prescriptions in the form of  treatment policies. Efforts to control prices 
and utilization of  pharmaceutical products and medical devices will likely continue as countries 
attempt to manage healthcare expenditures. 

Key Performance Indicators (KPIs) 
Management closely monitors cash position and runway. As of  31 December 2021, we had cash, 
cash equivalents, marketable securities, and restricted cash of  $224.4 million up from $196.2 million 
in 2020. Our research and development expenses are also closely monitored and have decreased 
from $93.7 million in 2020 to $87.0 million in 2021. In addition, we assess our performance through 
clinical and regulatory advancement of  our programs. Following the approval of  our lead program, 
OTL-200, by the European Union, the United Kingdom, Iceland, Liechtenstein and Norway under the 

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brand name Libmeldy for eligible patients with early-onset metachromatic leukodystrophy, or MLD, 
in December 2020, we initiated commercial launch activities in 2021. In July 2021, we announced a 
strategic  collaboration  with  Pharming  Group  N.V.  to  research,  develop,  manufacture  and 
commercialize OTL-105, an investigational ex vivo autologous HSC gene therapy for the treatment of  
hereditary angioedema, a life-threatening rare disorder that causes recurring swelling attacks in the 
face, throat, extremities and abdomen. We also completed the enrolment of  five patients in a proof-
of-concept trial for OTL-201 for MPS-IIIA; the fifth patient was treated in September 2021. Finally, in 
November 2021, we announced data published in the New England Journal of  Medicine evaluating 
the safety and efficacy of  OTL-203 for MPS-IH. 

Employees and Human Capital Resources 
As  of   31  December  2021  we  had  259  full-time  employees  (2020:  224).  We  have  no  collective 
bargaining agreements with our employees, and we have not experienced any work stoppages. 
We consider our relationship with our employees to be positive. We monitor employee engagement 
through an annual survey and develop a prioritized action plan on an annual basis to address any 
areas in need of  attention. Our human capital objectives include, as applicable, identifying, recruiting, 
developing, retaining, and incentivizing our existing and prospective employees, as well as optimizing 
the overall employee experience. The principal purposes of  our incentive plans are to attract, retain 
and motivate our employees. The granting of  share-based compensation awards is designed to 
reward  selected  employees  for  long-term  shareholder  value  creation  and  our  cash-based 
performance bonus awards reward the achievement of  annual performance goals. The health and 
safety of  our employees, customers and communities are of  primary concern. During the COVID-19 
pandemic, we have taken significant steps to protect our workforce, including, but not limited to, 
working remotely and implementing social distancing protocols consistent with guidelines issued by 
federal, state and local laws.  

Summary of the Principal Risks and Uncertainties 
Our business is subject to numerous risks and uncertainties that you should be aware of  in evaluating 
our business. These risks include, but are not limited to, the following: 

(cid:129) We have incurred net losses since inception. We expect to incur net losses for the foreseeable 

future and may never achieve or maintain profitability. 

(cid:129) We will need additional funding, which may not be available on acceptable terms or at all. Failure 
to obtain this necessary capital when needed may force us to delay, limit or terminate our product 
development efforts or other operations. 

(cid:129) Our gene therapy product candidates are based on a novel technology, which makes it difficult 
to predict the time and cost of  product candidate development and of  subsequently obtaining 
regulatory approval. 

(cid:129)

(cid:129)

The results from our clinical trials for OTL-200 for metachromatic leukodystrophy, or MLD, and for 
any of  our other product candidates may not be sufficiently robust to support marketing approval 
or the submission of  marketing approval. Before we submit our product candidates for marketing 
approval, the U.S. Food and Drug Administration or the European Medicines Agency may require 
us to conduct additional clinical trials or evaluate patients for an additional follow-up period. 

Interim data and ad hoc analyses are preliminary in nature. Success in preclinical studies or early 
clinical trials may not be indicative of  results obtained in later trials. 

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(cid:129) Gene therapies are novel, complex and difficult to manufacture. We have limited manufacturing 
experience, and we rely on third-party manufacturers that are often our single source of  supply. 
We  could  experience  manufacturing  problems  that  result  in  delays  in  the  development  or 
commercialisation of  our commercial products or our product candidates or otherwise harm our 
business. 

(cid:129)

Libmeldy™, Strimvelis® and our product candidates and the process for administering Libmeldy, 
Strimvelis and our product candidates may cause serious or undesirable side effects or adverse 
events or have other properties that could delay or prevent regulatory approval, limit commercial 
potential or result in significant negative consequences for our company.  

(cid:129) We may find it difficult to enroll patients in our clinical trials, which could delay or prevent us from 

proceeding with clinical trials of  our product candidates. 

(cid:129)

(cid:129)

If  we are unable to establish effective sales and marketing capabilities or enter into agreements 
with third parties to market, sell and gain reimbursement for Libmeldy and our product candidates 
that may be approved, we may be unable to generate product revenue. 

If   the  size  and  value  of   the  market  opportunities  for  our  commercial  products  or  product 
candidates are smaller than our estimates, or if  we have difficulty in finding patients that meet 
eligibility requirements for Libmeldy, or any of  our product candidates, if  approved, our product 
revenues may be adversely affected and our business may suffer.  

(cid:129) We  face  significant  competition  in  our  industry  and  there  can  be  no  assurance  that  our 
commercial products or our product candidates, if  approved, will achieve acceptance in the 
market over existing established therapies. In addition, our competitors may develop therapies 
that  are  more  advanced  or  effective  than  ours,  which  may  adversely  affect  our  ability  to 
successfully market or commercialise any of  our products or product candidates. 

(cid:129) Business interruptions resulting from the ongoing COVID-19 pandemic have caused and may 
continue to cause a disruption to the development of  our product candidates and adversely 
impact our business.  

(cid:129) We may not be able to protect our intellectual property rights throughout the world. 

(cid:129) We may become subject to claims that we are infringing certain third-party patents, for example, 
patents relating to lentiviral vectors, or other third-party intellectual property rights, any of  which 
may prevent or delay our development and commercialisation efforts and have a material effect 
on our business. 

(cid:129) We have in the past, and in the future we may, enter into collaborations with third parties to develop 
or commercialise product candidates. If  these collaborations are not successful, our business 
could be adversely affected.  

(cid:129)

The market price of  our ADSs may be highly volatile and may fluctuate due to factors beyond our 
control. 

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Information on Environmental Matters 
The Company is required to measure and report its greenhouse gas emissions in accordance with 
the provisions of  the UK Companies Act 2006 (UK Statutory Strategic Report and UK Statutory 
Directors’ Report) Regulations 2013. Our greenhouse gas emissions estimates for 2021 have been 
prepared in accordance with the U.K. Government’s Department for Environment, Food and Rural 
Affairs (Defra) guidance document “Environmental Reporting Guidelines: Including Mandatory GHG 
emissions reporting guidance, from March 2019”. 

                                                                                                                                                         2021                      2020 

Estimated greenhouse gas emissions from purchased electricity, 
heat, steam, or cooling for our own use (tCO2e)                                                       64.6                 230.5  
Intensity ratio: Total greenhouse gas emissions per employee on the 
basis of  a monthly average of  238 full-time equivalent employees (2020: 250)       0.27                     0.9 

We have used evidence and estimates derived from information provided by our energy supply 
partners and lessors to generate our disclosure of  emissions for the year. These include the purchase 
of  electricity, heat, steam or cooling either directly from our energy supply partners, or through utility 
bills from our lessors. Standard emission factors from Defra’s GHG Conversion Factors Repository 
were applied to estimate emissions. The Group considers that the intensity ratio of  tonnes of  carbon 
dioxide per full-time equivalent employee is a suitable metric for its operations. 

Electricity, heating, and cooling usage at our leased facilities in the United States and United Kingdom 
drive  the  majority  of   our  greenhouse  gas  emissions.  Greenhouse  gas  emissions  generated  by 
company-owned facilities declined in 2021 as compared to 2020 as we remained a primarily remote 
workforce due to the COVID-19 pandemic and completed the exit of  some of  our facilities in the 
United States. 

Diversity 
Appointments within the Group are made on merit according to the balance of  skills and experience 
offered  by  prospective  candidates.  While  acknowledging  the  benefits  of   diversity,  individual 
appointments are made irrespective of  personal characteristics such as race, disability, gender, 
sexual orientation, religion, or age. A breakdown of  employment statistics as of  31 December 2021 
and 2020 is as follows: 

31 December 2021: 

Company Directors

Executives/Vice Presidents 
Other Employees

Total Employees

31 December 2020: 

Company Directors

Executives/Vice Presidents 
Other Employees

Total Employees

Male

Female                  Total 

6                       2                    8 

15                     10                  25 
88                   145                233 

103                   155                258 

Male

Female                  Total 

7                       2                    9 

17                     12                  29 
72                   124                196 

89                   136                225 

Orchard Therapeutics plc  69

 
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UK STATUTORY STRATEGIC REPORT 
continued 

Section 172(1) UK Companies Act 2006 
The Directors are required by law to act in good faith to promote the success of  the Company for the 
benefit of  the shareholders as a whole and are also required to have regard for the following areas: 

The board has had  
regard to the following  
matters:                                  More information 

– the likely 

   Refer to the “Business Overview” section of  this UK Statutory Strategic Report 

consequences of  
any decision in the 
long-term;

(page 19). 

   The  Group  will  need  substantial  additional  funding  to  support  continuing 
operations and pursue a growth strategy as outlined in our Business overview 
within this Strategic Report. Until such time the Group can generate significant 
revenue from product sales, if  ever, the Group expects to finance operations 
through a combination of  equity offerings, debt financings, collaborations, 
government  contracts  or  other  strategic  transactions.  The  Group  may  be 
unable  to  raise  additional  funds  or  enter  into  such  other  agreements  or 
arrangements when needed on favourable terms, or at all. 

– the interests of  the 

   Refer  to  the  “Employees  and  Human  Capital  Resources”  (page  67)  and 

Company’s 
employees;

– the importance of  
developing the 
Company’s business 
relationships with 
suppliers, customers 
and others;

– the impact of  the 

Company’s 
operations on the 
community and the 
environment;

“Diversity” (page 69) sections of  this UK Statutory Strategic Report. 

   The  Board  and  Company  management  have  a  good  relationship  with  the 
Group’s  employees.  The  Board  maintains  constructive  dialogue  with 
employees  through  the  Company’s  Executive  Leadership.  Appropriate 
remuneration  and  incentive  schemes  are  maintained  to  align  employees’ 
objectives with those of  the Group. 

   Refer to the “Summary of  the Principal Risks and Uncertainties” section of  

this UK Statutory Strategic Report (page 67). 

   Refer  to  the  “Employees  and  Human  Capital  Resources”  (page  67), 
“Diversity” (page 69), and “Information on Environmental Matters” (page 69) 
sections of  this UK Statutory Strategic Report. 

70  Orchard Therapeutics plc 

 
 
 
 
 
 
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UK STATUTORY STRATEGIC REPORT 
continued 

The board has had  
regard to the following  
matters:                                  More information 

– the desirability of  the 

Company 
maintaining a 
reputation for high 
standards of  
business conduct;

   The Board sets high standards for the Company’s employees, officers and 
Directors. Implicit in this philosophy is the importance of  sound corporate 
governance. The Group has established a Code of  Business Conduct and 
Ethics (the “Code”), which is posted in the Corporate Governance section of  
the  Group’s  website  and  includes  mechanisms  for  reporting  suspected 
violations of  the Code and other policies and procedures of  the Company. 
The  Company’s  employees,  officers  and  Directors  must  review  the  Code 
periodically and are required to comply with its terms. 

– The need to act fairly 

as between 
shareholders of  the 
Company

   The Board endeavors to maintain good relationships with its shareholders and 
treat  them  equally.  The  Board  values  good  relations  with  the  Company’s 
shareholders and understands the importance of  effectively communicating 
the Company’s operational and financial performance as well as its future 
strategy. The Company’s website provides financial information as well as 
historical news releases and matters relating to corporate governance. 

   Annual and interim results are communicated via press releases, and are filed 
with the U.S. Securities and Exchange Commission, as are certain operational 
and  regulatory  press  releases.  Shareholders  may  also  attend  the  Annual 
General Meeting where they can discuss matters with the Board. 

This report was approved by the Board of  Directors on 25 April 2022 and signed on behalf  of  the 
Board of  Directors by: 

Hubert Gaspar  
Director 

25 April 2022 

Orchard Therapeutics plc  71

 
 
 
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UK STATUTORY DIRECTORS’ REPORT

The Directors of  Orchard Therapeutics plc (the “Company”, “Parent Company”, or the “Group”) 
submit this report and the audited consolidated financial statements as of  and for the year ended 31 
December 2021. The information in this report, including the information that is referred to below, 
shall be deemed to comply with the UK Companies Act 2006 requirements for the UK Statutory 
Directors’ Report. Some disclosures which would typically be included in the UK Statutory Directors’ 
Report have instead been included in the UK Statutory Strategic Report. 

General Information 
Description of  the principal activities and likely future developments of  the Group’s business  
The principal activities and likely future developments of  the Group are outlined in the UK Statutory 
Strategic Report, beginning on page 18 of  this Annual Report. 

Indication of the likely future developments of the Group’s business 
Research and development activities 
A fulsome view of  the Company’s research and development activities is outlined for the Company’s 
key programs in the UK Statutory Strategic Report. Total consolidated research and development 
expense during the year was $87.0 million (2020: $93.7 million). 

Results and dividends 
The Company’s consolidated financial results for the year are set out on page 121 of  this Annual 
Report.  For  the  year  ended  2021  the  Directors  do  not  recommend  the  payment  of   a  dividend 
(2020: nil). 

Directors 
The Directors of  the Parent Company who held office during the year and up to the date of  signing 
the  consolidated  financial  statements,  unless  otherwise  stated,  are  outlined  in  the  “Company 
Information” section on page 2 of  this Annual Report. 

Capital Structure 
Details of  the issued share capital, together with details of  shares issued during the year, are set out 
in note 13 to the consolidated financial statements. Share capital activity for the 2021 fiscal year is 
outlined on page F-3 of  the consolidated financial statements in the Consolidated Statement of  
Shareholders’ Equity. 

Political Contributions 
No political donations were made, and no political expenditure was incurred, by the Company, during 
2021 (2020: nil). 

Post Balance Sheet Events 
On 30 March 2022, the Company announced a proposed reduction of  its workforce of  approximately 
30%, subject to a consultation process with certain employees in the United Kingdom. The Company 
estimates that it will incur aggregate charges of  approximately $2.5 million in the first and second 
quarters  of   2022  as  a  result  of   the  restructuring,  consisting  of   one-time  cash  expenditures  for 
severance and employee termination-related costs. The Company also announced that it would 
discontinue its investment in and seek alternatives for OTL-102 for treatment of  X-CGD, OTL-103 for 
treatment of  WAS and Strimvelis. 

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UK STATUTORY DIRECTORS’ REPORT 
continued 

Going Concern 
At 31 December 2021 the Group held cash, cash equivalents, and marketable securities of  $220.1 
million, and the Company held cash, cash equivalents, and marketable securities of  $183.8 million. 
The  Directors  have  prepared  a  forecast  through  the  end  of   2023  and  expect  that  cash,  cash 
equivalents, and marketable securities on hand as of  31 December 2021, will be sufficient to fund 
operations and capital expenditure requirements for at least 12 months from the issuance of  these 
financial statements. The Directors have considered the effect of  the COVID-19 pandemic on our 
forecast, and have determined it does not have an effect on our ability to operate as a going concern 
for at least 12 months from the issuance of  these financial statements. Therefore, the Directors have 
at the time of  approving the financial statements, a reasonable expectation that the Group and 
Company have adequate resources to continue in operational existence for the foreseeable future 
and for a period of  at least 12 months from the date of  signing these financial statements. Accordingly, 
the Group and Company continues to adopt the going concern basis of  accounting in preparing 
these financial statements. 

Employee Involvement 
The Company has outlined key human capital disclosures in our Strategic Report on page 67 of  this 
Annual Report. 

Greenhouse gas emissions 
The Company has outlined its greenhouse gas emissions estimate in the “Environmental Matters” 
section of  the Strategic Report beginning on page 69 of  this Annual Report. 

Financial Risk Management 
Credit and Interest Rate Risk 
As of  31 December 2021, we had cash, cash equivalents, marketable securities, and restricted cash 
of  $224.4 million. Our exposure to interest rate sensitivity is impacted by changes in the underlying 
UK and U.S. bank interest rates. Our surplus cash has been invested in corporate bonds, commercial 
paper, U.S. treasuries, and money market accounts. We have not entered into investments for trading 
or  speculative  purposes.  Due  to  the  conservative  nature  of   our  investment  portfolio,  which  is 
predicated on capital preservation of  investments with short-term maturities, we do not believe an 
immediate one percentage point change in interest rates would have a material effect on the fair 
market value of  our portfolio, and therefore we do not expect our operating results or cash flows to 
be significantly affected by changes in market interest rates. 

We have borrowed $33.0 million under our credit facility. Amounts outstanding under the credit facility 
bear interest at a variable interest rate of  5.95% plus LIBOR. As of  31 December 2021, the carrying 
value of  the term loans under the credit facility was $32.9 million. 

In 2017, the United Kingdom’s Financial Conduct Authority announced that after 2021 it would no 
longer compel banks to submit the rates required to calculate the London Interbank Offered Rate 
(LIBOR) and other interbank offered rates, which have been widely used as reference rates for various 
securities and financial contracts, including loans, debt and derivatives. This announcement indicates 
that the continuation of  LIBOR on the current basis is not guaranteed after 2021. Regulators in the 
U.S. and other jurisdictions have been working to replace these rates with alternative reference 
interest rates that are supported by transactions in liquid and observable markets, such as the 
Secured Overnight Financing Rate (SOFR). Currently, our credit facilities reference LIBOR-based 
rates. The discontinuation of  LIBOR will require these arrangements to be modified in order to replace 
LIBOR with an alternative reference interest rate, which could impact our cost of  funds. Our credit 
facilities include a provision for the determination of  a successor LIBOR rate. 

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UK STATUTORY DIRECTORS’ REPORT 
continued 

Liquidity Risk 
From our inception through 31 December 2021, we have not generated significant revenue from 
product sales and incurred significant operating losses and negative cash flows from our operations. 
We acquired our commercial product Strimvelis and the program that is now Libmeldy from GSK in 
April 2018, and our product candidates are in various phases of  preclinical and clinical development. 
In December 2020, the European Commission granted standard marketing authorization for Libmeldy. 
We expect to launch Libmeldy in Europe and generate product sales in early 2022. To date, we have 
financed our operations primarily with proceeds from the sale of  ADSs in our IPO and follow-on 
offering, proceeds from the sale of  ordinary shares in our private placement, proceeds from the sale 
of  convertible preferred shares, proceeds associated with two UK research and development tax 
relief   programs,  the  Small  and  Medium-sized  Enterprises  research  and  development  tax  credit 
(“SME”)  program  and 
the  Research  and  Development  Expenditure  (“RDEC”)  program, 
reimbursements from our research agreement with UCLA and, following transfer of  the ADA-SCID 
research program sponsorship from UCLA to us in July 2018, a grant from the California Institute of  
Regenerative Medicine (“CIRM”), upfront payments from our collaboration agreement with Pharming 
Group N.V., our Original Credit Facility and our Amended Credit Facility.  

On 27 February 2020, we entered into a Sales Agreement with Cowen and Company, LLC, as agent, 
relating to an “at the market offering,” pursuant to which we may issue and sell ADSs representing 
our ordinary shares, having an aggregate offering price of  up to $100.0 million. As of  31 December 
2021, we have not sold any shares under the Sales Agreement. On 24 March 2022, we delivered 
written notice to Cowen to terminate the Sales Agreement, effective as of  30 March 2022, pursuant 
to  Section  11(b)  thereof.  Prior  to  termination,  we  had  not  sold  any  ADSs  pursuant  to  the  Sales 
Agreement. As a result of  the termination of  the Sales Agreement, we will not offer or sell any ADSs 
under the Sales Agreement. 

We currently have no ongoing material financing commitments, such as lines of  credit or guarantees, 
that are expected to affect our liquidity over the next five years, other than our manufacturing, lease, 
and debt obligations described below.  

Foreign exchange risk 
The Company is exposed to foreign currency exchange risk because it currently operates in the 
United Kingdom and the United States. The reporting currency of  the Company is the U.S. dollar. 
The Company has determined the functional currency of  the ultimate parent company, Orchard 
Therapeutics plc, is U.S. dollars because it predominantly raises finance and expends cash in U.S. 
dollars, and expects to continue to do so in the future. Monetary assets and liabilities denominated 
in currencies other than the functional currency are translated into the functional currency of  the 
relevant entity at rates of  exchange prevailing at the balance sheet dates. Non-monetary assets and 
liabilities  denominated  in  foreign  currencies  are  translated  into  the  functional  currency  at  the 
exchange rates prevailing at the date of  the transaction. Exchange gains or losses arising from foreign 
currency  transactions  are  included  in  the  determination  of   net  income/(loss)  for  the  respective 
periods. We recorded realized and unrealized foreign currency losses of  $1.2 million and gains of  
$3.4 million for the years ended 31 December 2021 and 2020. These foreign currency transaction 
gains and losses are included in other (expense)/income in our consolidated statements of  operations 
and comprehensive loss.  

Assets and liabilities have been translated at the exchange rates at the balance sheet date, while 
revenue and expenses are translated at the average exchange rates over the reporting period and 
shareholders’ equity amounts are translated based on historical exchange rates as of  the date of  
each transaction. Translation adjustments are not included in determining net income (loss) but 

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UK STATUTORY DIRECTORS’ REPORT 
continued 

included in our foreign currency translation adjustment to other comprehensive loss, a component 
of  shareholders’ equity. 

We do not currently engage in currency hedging activities in order to reduce our currency exposure, 
but we may begin to do so in the future. Instruments that may be used to hedge future risks include 
foreign currency forward and swap contracts. These instruments may be used to selectively manage 
risks, but there can be no assurance that we will be fully protected against material foreign currency 
fluctuations. 

Branches outside of  the UK 
The following table outlines all subsidiaries of  the Parent Company: 

Name of  Subsidiary                                                                         Jurisdiction of  Incorporation or Organization 

Orchard Therapeutics (Europe) Limited                             England and Wales 
Orchard Therapeutics North America                                California (United States) 
Orchard Therapeutics (Netherlands) B.V.                           Netherlands 
Orchard Therapeutics (France) SAS                                  France 
Orchard Therapeutics (Italy) S.r.l                                        Italy 
Orchard Therapeutics (Germany) GmbH                           Germany 
Orchard Therapeutics (Switzerland) GmbH                       Switzerland 

Qualifying third party indemnity provisions 
The Company has granted a qualifying third-party indemnity to each of  its Directors against liability 
in respect of  proceedings brought by third parties, which was in force throughout the financial year, 
and remains in force as at the date of  approving the UK Statutory Directors’ Report. 

Independent Auditors 
PricewaterhouseCoopers LLP have expressed their willingness to continue in office as auditors for 
another year. In accordance with Section 418 of  the UK Companies Act 2006, a resolution proposing 
that PricewaterhouseCoopers LLP be re-appointed as auditors of  the Group and Company will be 
proposed at the Annual General Meeting. 

On behalf  of  the Board of  Directors: 

Hubert Gaspar  
Director 

25 April 2022  

Orchard Therapeutics plc  75

 
 
 
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DIRECTORS’ REMUNERATION REPORT 

Annual Statement from the Chair of the Compensation Committee  

Dear Shareholder,  

As the Chair of  the Compensation Committee (the “Committee”), I am pleased to present, on behalf  
of  the Board of  Directors (the “Board”) of  Orchard Therapeutics plc (the “Company” or “Orchard”), 
the proposed 2022 Directors’ Remuneration Policy and the Directors’ Remuneration Report for the 
year ended 31 December 2021 (the “Remuneration Report”).  

The Company’s Remuneration Report, will be subject to an advisory vote at the forthcoming Annual 
General Meeting on 7 June 2022 (the “AGM”) and our 2022 Directors’ Remuneration Policy subject 
to a binding vote and, if  approved, valid for a maximum of  three years from that date. 

Introduction  
Our executive compensation program seeks to incentivize and reward strong corporate performance. 
All compensation decisions at Orchard remain aligned to our key principle of  paying for performance. 
Further, as a global biopharmaceutical company with major operations in the United States and 
Europe we operate within a global marketplace for talent. Given that the market for experienced 
directors and biopharmaceutical executive talent is very competitive, particularly in the United States, 
the  Committee  references  the  US  market  as  the  leading  indicator  for  remuneration  levels  and 
practices. This helps attract and retain directors and motivate the superior executive talent needed 
to successfully manage the Company’s complex global operations. Being consistent in this market 
view of  the United States as the primary benchmark for remuneration practices for our Executive and 
Non-Executive  Directors  is  key  for  the  Company  as  it  builds  its  global  operations  in  a  manner 
designed to deliver sustainable, long-term growth and shareholder value.  

As a Committee, we are also mindful of  general UK compensation frameworks and investor guidance 
in that regard when making decisions on Orchard’s executive compensation.  

With these various factors in mind, myself  and the Compensation Committee believe that the overall 
structure of  our Directors’ Remuneration Policy remains appropriate to attract, retain and motivate 
directors  to  execute  the  Company’s  strategy.  We  recognize  the  evolving  best  practices  in 
remuneration governance, and we have incorporated the following into our proposed Policy beginning 
this year: (i) shareholding requirements for Executive Directors and, (ii) recovery provisions (malus 
and clawback) on to all incentive compensation. We believe these are important updates to a Policy 
which serves our shareholders well in our competitive landscape in the global biotechnology sector. 

Key remuneration decisions for 2021  
The Committee and I were mindful of  the Company’s overall financial position and the Company’s 
share price performance during the year. We acknowledge and celebrate the many achievements 
made by all of  our colleagues at Orchard while ensuring the broader context of  the Company is 
considered when making remuneration decisions. 

In January 2021, the Committee welcomed, and endorsed a proposal from the CEO, that he would 
not receive any increase in base salary during 2021. This was consistent with the remainder of  the 
leadership team at that time. His target bonus also remained at 60% salary. As CEO, we granted Dr. 
Gaspar the option to purchase 850,000 shares, effective February 1, 2021 – the level of  this award 
benchmarked against our industry peers. 

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DIRECTORS’ REMUNERATION REPORT  
continued 

2021 Annual Bonus  
Orchard’s  annual  bonus  is  based  on  stated  corporate  objectives  set  by  the  Board  and  the 
Compensation Committee at the beginning of  the year. For 2021 this was made up of  a combination 
of  objectives contributing to the foundation of  a sustainable commercial business, advancing our 
portfolio towards key clinical and regulatory milestones, and maintaining a performance-driven culture 
both internally and with our partners. 

For the CEO, executive team and consistent for all employees, the Committee determined a corporate 
score of  60% of  target. This is reflective of  the Company as a whole making considerable strides 
towards all of  our stated objectives while also acknowledging that a number of  key objectives fell 
short of  expectations due to either internal or external factors. The Committee’s decision is taken in 
the context of  the broader financial position of  the Company, the share price performance during 
the year, and the competition for talent in the global biotechnology sector. 

Remuneration for 2022  
There are no substantial changes to our approach to executive compensation for 2022.  

Consistent with our pay for performance philosophy, we intend to grant Dr. Gaspar an annual award 
of  share options in 2022. In prior years all options have been awarded at market value. For 2022, 
and reflecting the Company’s share price performance, we propose to grant half  of  the 2022 award 
in premium-priced options - options with an exercise price above the stock price on the date of  grant. 
This installs a further hurdle before any of  Dr. Gaspar’s long-term incentive has any intrinsic value 
and further aligns our compensation approach with the shareholder experience. 

Changes to the Board  
Jon Ellis did not seek re-election to the Board at the 2021 AGM and ceased to be a Director on 16 
June 2021. Dr. Ellis received no remuneration from Orchard and we thank him for his services to the 
Company. 

Conclusion  
The Committee believes that the Directors’ Remuneration Policy has been implemented fairly and 
consistently, as described in this report. With the governance updates we are proposing, we are 
confident that it will continue to properly motivate our Executive Directors to deliver sustainable growth 
and shareholder value over the long term and to do so in a responsible and cost-efficient manner.  

I hope that you find the information in this report helpful, and I look forward to your support at the 
Company’s AGM.  

Yours sincerely,  

Charles Rowland, Jr.  
Chair of  the Compensation Committee  

25 April 2022

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DIRECTORS’ REMUNERATION REPORT  
continued 

Remuneration Policy  
The following section sets out our Directors’ Remuneration Policy (the “Policy”) which will be put to a 
binding  shareholder  vote  at  the  annual  general  meeting  on  7  June  2022.  If   approved,  it  will  be 
effective from that date. 

The current Directors’ Remuneration Policy was approved by shareholders in June 2019, therefore a 
new  policy  is  being  presented  under  the  standard  three-year  renewal  cycle.  The  current  policy 
received strong shareholder support, as has the implementation of  the policy in the annual voting. 
The Compensation Committee is of  the view that the overall structure continues to be appropriate for 
a company in Orchard’s position reflecting the competitive environment for talent while including 
developments in market and governance best practices. 

Key considerations when determining the Remuneration Policy  
The Policy is designed by the Committee with a number of  specific principles in mind:  

(cid:129)

(cid:129)

attract, retain and motivate high calibre senior management and focus them on the delivery of  
the Company’s strategic and business objectives;  

encourage a corporate culture that promotes the highest level of  integrity, teamwork and ethical 
standards;  

(cid:129) be competitive against appropriate market benchmarks (being predominantly the US biotech 
sector) and have a strong link to performance, providing the ability to earn above-market rewards 
for strong performance;  

(cid:129) be simple and understandable, both internally and externally;  

(cid:129)

(cid:129)

encourage  increased  equity  ownership  to  motivate  executives  in  the  overall  interests  of  
shareholders, the Company, employees and customers; and  

take due account of  good governance and promote the long-term success of  the Company.  

In seeking to achieve the above objectives, the Committee is mindful of  the views of  a broad range 
of  stakeholders in the business and accordingly takes account of  a number of  factors when setting 
remuneration including: market conditions; pay and benefits in relevant comparator organisations; 
terms  and  conditions  of   employment  across  the  Company;  the  Company’s  risk  appetite;  the 
expectations of  institutional shareholders; and any specific feedback received from shareholders 
and other stakeholders.  

Key changes to the Remuneration Policy 
The Committee maintains that the overall structure of  remuneration is appropriate and no fundamental 
structural changes are proposed. The Committee does acknowledge that there are developments in 
market and best practices which include: 

(cid:129)

(cid:129)

(cid:129)

Introduction of  share ownership requirements for Executive Directors – intends to ensure long-
term alignment between our Executive Directors and shareholders. 

Introduction of  recovery provisions (malus and clawback) – provides mitigation against payment 
for failure and ensures that all future incentive-based compensation in subject to recovery. 

The retainer arrangements for Non-Executive Directors will include the flexibility for Directors to 
elect a portion, or all, of  their fees as either cash or in equity equivalents. This is common practice 
in the US and is included to ensure our Director compensation arrangements are competitive 
within our sector landscape. 

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DIRECTORS’ REMUNERATION REPORT  
continued 

Remuneration Policy table  
The table in the following pages sets out, for each element of  pay, a summary of  how remuneration 
is structured and how it supports the Company’s strategy.  

Executive Directors 

recruit  and 

Purpose and link to  
strategy
Base salary 
To 
retain 
Executive  Directors  of   the 
highest  calibre  who  are 
capable  of   delivering  the 
strategic 
Company’s 
objectives, 
the 
individual’s experience and 
role within the Company. 

reflecting 

Base salary is designed to 
provide an appropriate level 
of  fixed income to avoid any 
over-reliance on variable pay 
elements 
could 
encourage  excessive  risk 
taking. 

that 

Operation                                Maximum opportunity            Performance metrics 

is  a 

Executive 
performance 
considered 
determining  any 
increases. 

Directors’ 
factor 
when 
salary 

Salaries 
reviewed annually. 

are 

normally 

The annual salary review for 
Executive Directors takes a 
number  of  
into 
consideration, including: 

factors 

(cid:129)

(cid:129)

(cid:129)

(cid:129)

(cid:129)

business performance; 

increases 
salary 
awarded  to  the  overall 
employee population; 

skills and experience of  
the individual over time; 

scope of the individual’s 
responsibilities; 

changes in the size and 
the 
complexity 
Company; 

of  

(cid:129) market competitiveness 
assessed  by  periodic 
benchmarking; and 

(cid:129)

the  underlying  rate  of  
inflation. 

take 

Whilst there is no prescribed 
formulaic  maximum,  any 
increases  will 
into 
account  prevailing  market 
and  economic  conditions 
and 
to 
the  approach 
employee  pay  throughout 
the organisation. 

to 

general 

increases 

Base  salary  increases  are 
awarded at the discretion of  
the  Committee;  however, 
salary 
will 
normally be no greater than 
increase 
the 
awarded 
the  wider 
workforce, in percentage of  
salary  terms.  However,  a 
higher 
increase  may  be 
made  where  an  individual 
had  been  appointed  to  a 
new  role  at  below-  market 
salary 
gaining 
while 
experience. 
Subsequent 
demonstration  of   strong 
performance may result in a 
salary increase that is higher 
than  that  awarded  to  the 
wider workforce. 

Orchard Therapeutics plc  79

 
 
 
 
 
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DIRECTORS’ REMUNERATION REPORT  
continued 

Executive Directors 

Purpose and link to  
strategy
Benefits 
Reasonable benefits-in- kind 
to  support 
are  provided 
Executive  Directors 
in 
carrying out their duties and 
assist  with  retention  and 
recruitment. 

Retirement benefits 
The  Company  aims 
a 
provide 
towards life in retirement. 

to 
contribution 

Operation                                Maximum opportunity            Performance metrics 

Not performance related. 

The value of  each benefit is 
not  predetermined  and  is 
typically  based  upon  the 
cost  to  the  Company  of  
providing said benefit. 

The Company aims to offer 
benefits that are in line with 
market practice. 

The main benefits currently 
include  private 
provided 
health insurance, long-term 
disability, critical illness and 
death in service. 

Under certain circumstances 
the  Company  may  offer 
relocation  allowances  or 
assistance. 
Expatriate 
benefits  may  be  offered 
where required. 

Travel  and  any  reasonable 
business- related expenses 
(including tax thereon) may 
be reimbursed. 

deems 

Executive  Directors  may 
become  eligible  for  other 
benefits in future where the 
Committee 
it 
Where 
appropriate. 
additional  benefits 
are 
introduced  for  the  wider 
workforce, 
Executive 
Directors may participate on 
broadly similar terms. 

Benefits  may  also  include 
payment by the Company of  
any  stamp  duty  arising  in 
respect of  the settlement of  
equity incentives.

to 

Executive  Directors  are 
eligible to receive employer 
contributions 
the 
Company’s Group Personal 
Pension  Scheme  or  to  a 
401k  plan  or  a  salary 
lieu  of  
supplement 
pension  benefits,  or  a 
mixture of  both. 

in 

Not performance related. 

Up  to  6%  of   salary  per 
Executive 
annum 
Directors. 

for 

6%  is  the  contribution  rate 
provided 
all  UK 
to 
employees.

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DIRECTORS’ REMUNERATION REPORT  
continued 

Executive Directors 

Purpose and link to  
strategy
Annual bonus 
The  annual  bonus  scheme 
rewards the achievement of  
stretching  objectives 
that 
support 
the  Company’s 
corporate goals and delivery 
of  the business strategy. 

Operation                                Maximum opportunity            Performance metrics 

Bonuses  are  determined 
based  on  measures  and 
targets  that  are  agreed  by 
the Committee at the start of  
each financial year. 

In exceptional circumstances, 
the  Committee  may  add 
further 
performance 
measures  and  milestones 
during the year. 

target 

bonus 
The 
opportunity 
for  Executive 
Directors  is  up  to  80%  of  
salary,  with  a  maximum 
bonus opportunity of  up to 
two 
target 
times 
opportunity. 

the 

by 

Performance measures are 
determined 
the 
Committee  each  year  and 
may vary to ensure that they 
the  Company’s 
promote 
business 
and 
shareholder value. 

strategy 

For threshold performance, 
no more than 50% of  target 
bonus may be payable. 

For  2022,  the  target  bonus 
opportunity 
for  Executive 
Directors  will  be  no  more 
than  60%  of   salary,  with  a 
maximum bonus opportunity 
of  up to 150% of  the target 
opportunity. 

Any  exceptional  bonuses 
would  operate  within  the 
overall  annual  maximum 
opportunity. 

The  annual  bonus  will  be 
based  on  strategic  goals, 
which may include financial, 
strategic  and  personal 
objectives. 

The Committee may alter the 
bonus outcome if it considers 
that the pay-out is inconsistent 
with  the  Company’s  overall 
performance, taking account 
of  any  factors  it  considers 
relevant. This will help ensure 
that  pay-outs  reflect  overall 
Company performance during 
the year.

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DIRECTORS’ REMUNERATION REPORT  
continued 

Executive Directors 

Purpose and link to  
strategy
Long-term incentives 
At  the  date  of   this  Policy, 
long-term 
incentives  are 
normally granted under the 
2018  Share  Option  and 
Incentive Plan ( “SOIP”). The 
SOIP 
to 
incentivise  the  successful 
execution 
business 
of  
strategy over the longer term 
long-term 
and  provide 
retention. 

is  designed 

Facilitates share ownership 
to provide further alignment 
with shareholders. 

Operation                                Maximum opportunity            Performance metrics 

There is no defined maximum 
opportunity under the SOIP. 
However, the Committee will 
generally  work  within  the 
guidelines  provided  by  our 
compensation  consultants. 
We seek to establish equity- 
based 
remuneration 
competitive to that offered by 
comparable 
a 
companies  with  whom  we 
may compete for talent.

set 

of  

The  Committee  will  select 
the most appropriate form of  
SOIP award(s) each year. 

units 

Awards  will 
typically  be 
granted annually, in the form 
of   options  and  restricted 
share 
(“RSUs”) 
although  may  also  be 
granted in the form of share 
appreciation rights, restricted 
shares, unrestricted shares, 
performance  share  units, 
cash or dividend equivalent 
rights. 

Currently,  options  normally 
vest  over  a  period  of   four 
years  on  a  monthly  basis. 
Initial grants made in relation 
to  appointment  generally 
vest  25%  after  one  year, 
and  monthly  thereafter  for 
36  months.  Currently,  time- 
based RSUs normally vest in 
equal  installments  annually 
over  a  total  period  of   no 
less 
three-years. 
Performance  Share  Units 
(“PSUs”)  normally  vest  in 
three equal tranches on the 
meeting of agreed milestone 
events  within  a  period  of  
three years. The Committee 
may 
vesting 
schedule of  future grants of  
options  and  PSUs  as  it 
considers appropriate. 

than 

vary 

the 

Performance conditions may 
apply 
to  awards.  Such 
conditions may be strategic 
objectives  which  may 
include  milestone  events, 
financial,  strategic  and/or 
personal objectives.  

Share  options  are  granted 
with  an  exercise  price  no 
less  than  the  fair  market 
value  of   the  shares  on  the 
date of  grant. 

Accordingly,  share  options 
will  only  have  value  to  the 
extent the Company’s share 
price  appreciates  following 
the date of  grant. 

Any performance conditions 
set  will  be  designed  to 
incentivise  performance  in 
support  of   the  Company’s 
strategy 
and  business 
objectives. 

The Committee has flexibility 
to vary the mix of  measures 
or introduce new measures 
for each subsequent award 
taking into account business 
priorities at the time of grant. 

if  

The Committee may alter the 
vesting  outcome 
it 
considers  that  the  level  of  
vesting  is  inconsistent  with 
the underlying performance 
of  
taking 
account  of   any  factors  it 
considers relevant. This will 
help  ensure  that  vesting 
reflects  overall  Company 
performance during the year. 

the  business, 

At  the  discretion  of   the 
Committee, participants may 
also  be  entitled  to  receive 
the value of  dividends paid 
between  grant  and  vesting 
on  vested  shares.  The 
payment may be in cash or 
shares  and  may  assume 
dividend reinvestment. 

82  Orchard Therapeutics plc 

 
 
 
 
 
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DIRECTORS’ REMUNERATION REPORT  
continued 

Executive Directors 

Purpose and link to  
strategy

Operation                                Maximum opportunity            Performance metrics 

All employee share schemes 
Encourages employee share 
ownership  and 
therefore 
increases  alignment  with 
shareholders. 
Executive 
Directors  will  be  eligible  to 
participate 
in  any  all- 
employee share scheme. 

Purchase 
that 

The  Company  currently 
an  Employee 
operates 
Share 
Plan 
(“ESPP”) 
offers 
employees  the  opportunity 
to  purchase  shares  in  the 
Company  through  payroll 
deductions at a price equal 
to  85%  of   the  lower  of   fair 
market  value  of   the  shares 
on the first business day or 
the last business day of  the 
offering period. The ESPP is 
available  to  all  employees 
customary 
whose 
employment is for more than 
20 hours per week and have 
completed at least 30 days 
of  employment. 

The  Company  may  adopt 
equivalent arrangements in 
any  jurisdiction  in  order  to 
comply 
local 
requirements.

with 

Not performance related.

right 

Employees  may  contribute 
up  to  15%  of   their  base 
compensation  to  purchase 
shares  under 
the  ESPP. 
to 
the 
However, 
purchase shares under the 
ESPP  may  not  accrue  at  a 
rate  that  exceeds  $25,000 
worth  of   ordinary  shares, 
valued  at  the  start  of   the 
purchase period, under the 
ESPP,  for  each  calendar 
year in the purchase period.

Orchard Therapeutics plc  83

 
 
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DIRECTORS’ REMUNERATION REPORT  
continued 

Non-Executive Directors 

Purpose and link to  
strategy
Fees 
To  attract  Non-Executive 
Directors who have a broad 
range  of   experience  and 
skills to provide independent 
issues  of  
judgement  on 
strategy, 
performance, 
resources and standards of  
conduct. 

Operation                                Maximum opportunity            Performance metrics 

Not performance related.

When  reviewing  fee  levels, 
account  is  taken  of   market 
movements  in  the  fees  of 
Directors, 
Non-Executive 
Committee 
Board 
responsibilities and ongoing 
time commitments, as well as 
the  underlying 
rate  of 
inflation. 

fee 
in 

Actual 
disclosed 
Directors’ 
Report 
financial year. 

for 

are 
levels 
the  annual 
Remuneration 
relevant 
the 

Non-Executive 
Directors 
receive  an  annual  retainer 
paid in cash, comprising a 
base fee plus additional fees 
additional 
for 
responsibilities,  such  as  a 
Committee Chairpersonship 
or membership and the role 
of  Chairperson. 

At a Directors’ election, cash 
retainers  may  be  delivered 
as an equivalent number of  
share options – calculated at 
fair  value  on  the  date  of  
grant - vesting quarterly over 
a one-year period. 

levels 

The Chair’s fee is reviewed 
annually  by  the  Committee 
(without the Chair present). 
Fee 
the  Non- 
for 
Executive  Directors  are 
determined by the Company 
Chair 
Executive 
Directors. 

and 

in 

When  reviewing  fee  levels, 
account is taken of  market 
movements 
fee 
levels,  Board  committee 
responsibilities, 
ongoing 
time  commitments  and 
the 
economic 
environment. 

general 

In exceptional circumstances, 
if  there  is  a  temporary  yet 
material increase in the time 
for  Non- 
commitments 
Executive  Directors, 
the 
Board  may  pay  additional 
fees 
that 
additional workload. 

recognise 

to 

plans. 

Non-Executive 
Directors 
ordinarily do not participate in 
any  pension,  bonus  or 
performance-based  share 
incentive 
Travel, 
accommodation  and  other 
business-  related  expenses 
incurred in carrying out the 
role  will  be  paid  by  the 
Company 
if 
relevant, any gross-up for tax. 

including, 

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DIRECTORS’ REMUNERATION REPORT  
continued 

Non-Executive Directors 

Purpose and link to  
strategy
Equity Awards 
To facilitate share ownership 
and provide alignment with 
shareholders. 

Operation                                Maximum opportunity            Performance metrics 

Not performance related.

There is no maximum award 
level  for  equity  awards  to 
Non- Executive Directors. 

The size of the equity awards 
is  determined  by  the  full 
Board  of   Directors,  upon 
recommendation  of  
the 
Compensation Committee. 

When reviewing award levels, 
account  is  taken  of   market 
movements in equity awards, 
Board 
committee 
responsibilities, ongoing time 
the 
commitments 
and 
general 
economic 
conditions. 

Non-Executive 
Directors 
may receive an equity award 
in the form of  options, share 
appreciation 
rights, 
restricted shares, restricted 
share  units  or  such  other 
form  permitted  under  the 
SOIP. 

New 
Non-Executive 
Directors  receive  an  initial 
equity 
upon 
award 
appointment  or  election.  In 
Non-Executive 
addition, 
Directors 
receive  annual 
equity awards at the time of  
the annual meeting. 

Currently  any  initial  equity 
awards  normally  vest 
in 
equal  monthly  installments 
for  36  months,  and  any 
annual awards normally are 
awarded  at  the  AGM  and 
vest at the earlier of  the next 
AGM  or  one  year  after  the 
grant date.

Notes to the policy table  
Legacy arrangements  
For the duration of  this Policy, the Company will honour any commitments made in respect of  current 
or  former  Directors  before  the  date  on  which  either:  (i)  the  Policy  becomes  effective;  or  (ii)  an 
individual becomes a Director, even where not consistent with the Policy set out in this report or 
prevailing at the time such commitment is fulfilled. For the avoidance of  doubt, all outstanding historic 
awards that were granted in connection with, or prior to, listing remain eligible to vest based on their 
original or modified terms.  

Performance conditions  
The choice of  annual bonus performance metrics reflects the Committee’s belief  that any incentive 
remuneration should be appropriately challenging and tied to the delivery of  key strategic objectives 
intended to ensure that Executive Directors are incentivised to deliver across a range of  objectives 
for which they are accountable. The Committee has retained flexibility on the specific measures which 
will be used to ensure that any measures are fully aligned with the strategic imperatives prevailing at 
the time they are set.  

The targets for the bonus scheme for the forthcoming year will be set out in general terms, subject to 
limitations with regards to commercial sensitivity. The full details of  the targets will be disclosed when 
they are in the public domain and are no longer considered commercially sensitive.  

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DIRECTORS’ REMUNERATION REPORT  
continued 

Where used, performance conditions applicable to SOIP awards will be aligned with the Company’s 
objective  of   delivering  superior  levels  of   long-term  value  to  shareholders.  The  full  details  of  
performance conditions will be disclosed when they are in the public domain and are no longer 
commercially sensitive. Prior to each award, the Committee has flexibility to select measures that are 
fully aligned with the strategy prevailing at the time awards are granted.  

The Committee will review the calibration of  targets applicable to the annual bonus, and the SOIP in 
years where performance measures apply, annually to ensure they remain appropriate and sufficiently 
challenging, taking into account the Company’s strategic objectives and the interests of  shareholders.  

Shareholding guidelines 
Executive Directors are expected to build up and maintain, a shareholding equivalent to a multiple 
their respective base salary. For the Chief  Executive Officer, this multiple is equal to two-times their 
base salary and for any other Executive Director, one-times base salary.  Executive Directors will have 
five years from either the adoption of  the policy or their appointment to the Board, whichever is later, 
to achieve the target level of  share ownership. 

Differences in remuneration policy between Executive Directors and other 
employees  
The overall approach to reward for employees across the workforce is a key reference point when 
setting the remuneration of  the Executive Directors. When reviewing the salaries of  the Executive 
Directors, the Committee pays close attention to pay and employment conditions across the wider 
workforce and in normal circumstances the increase for Executive Directors will be no higher than 
the average increase for the general workforce.  

The key difference between the remuneration of  Executive Directors and that of  our other employees 
is that, overall, at senior levels, remuneration is increasingly long-term, and ‘at risk’ with an emphasis 
on performance-related pay linked to business performance and share-based remuneration. This 
ensures that remuneration at senior levels will increase or decrease in line with business performance 
and provides alignment between the interests of  Executive Directors and shareholders.  

Committee discretion in operation of variable pay schemes  
The  Committee  operates  under  the  powers  it  has  been  delegated  by  the  Board.  In  addition,  it 
complies with rules that are either subject to shareholder approval or by approval from the Board. 
These  rules  provide  the  Committee  with  certain  discretions  which  serve  to  ensure  that  the 
implementation  of   the  remuneration  policy  is  fair,  both  to  the  individual  Director  and  to  the 
shareholders. The Committee also has discretions to set components of  remuneration within a range, 
from  time  to  time.  The  extent  of   such  discretions  is  set  out  in  the  relevant  rules,  the  maximum 
opportunity or the performance metrics section of  the policy table above. To ensure the efficient 
administration  of   the  variable  incentive  plans  outlined  above,  the  Committee  will  apply  certain 
operational discretions.  

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DIRECTORS’ REMUNERATION REPORT  
continued 

These include the following:  

(cid:129)

selecting the participants in the plans on an annual basis;  

(cid:129) determining the timing of  grants of  awards and/or payments;  

(cid:129) determining the quantum of  awards and/or payments (within the limits set out in the policy table 

above);  

(cid:129) determining the choice (and adjustment) of  performance measures and targets for each incentive 

plan in accordance with the policy set out above and the rules of  each plan;  

(cid:129) determining  the  extent  of   vesting  based  on  the  assessment  of   performance  and  discretion 
relating  to  measurement  of   performance  in  certain  events  such  as  a  change  of   control  or 
reconstruction;  

(cid:129) making the appropriate adjustments required in certain circumstances, for instance for changes 

in capital structure;  

(cid:129) determining “good leaver” status, if  applicable, for incentive plan purposes and applying the 

appropriate treatment; and  

(cid:129)

undertaking the annual review of  weighting of  performance measures and setting targets for the 
annual bonus plan and other incentive schemes, where applicable, from year to year.  

If  an event occurs which results in the annual bonus plan or SOIP performance conditions and/or 
targets being deemed no longer appropriate (e.g. material acquisition or divestment), the Committee 
will  have  the  ability  to  make  appropriate  adjustments  to  the  measures  and/or  targets  and  alter 
weightings, provided that the revised conditions are not materially less challenging than the original 
conditions. Any use of  the above discretion would, where relevant, be explained in the Annual Report 
on Remuneration and may, as appropriate, be the subject of  consultation with the Company’s major 
shareholders.  

Recovery Provisions (malus and clawback) 
Prior to vesting, the Compensation Committee may reduce or cancel any awards granted under the 
Company’s  2018  SOIP,  or  impose  additional  conditions  on  awards  in  circumstances  the 
Compensation Committees deems appropriate (‘malus’). Such circumstances may include: a serious 
misstatement  of   the  Group’s  audited  financial  results;  a  serious  miscalculation  of   any  relevant 
performance measure; a serious failure of  risk management or regulatory compliance by a relevant 
entity; serious reputational damage to the Group; the participant’s material misconduct, or a material 
corporate failure. 

In addition, for cash bonus and SOIP awards the Compensation Committee may also apply malus 
and/or clawback in certain extreme circumstances (including those listed above) for up to two years 
following the determination of  the relevant performance outcome of  vesting of  the award.  

Prior to applying malus or clawback, the Compensation Committee will take into account all relevant 
factors (including, where a serious failure of  risk management or regulatory compliance or serious 
reputational damage has occurred, the degree of  involvement of  the employee in that failure or 
damage in question and the employee’s level of  responsibility) in deciding whether, and to what 
extent, it is reasonable to operate malus and/or clawback. The Compensation Committee is satisfied 
that the above provisions provide robust safeguards against inappropriate payment of  incentive 
awards. 

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DIRECTORS’ REMUNERATION REPORT  
continued 

Shareholder views  
The Board is committed to dialogue with shareholders and intends to engage directly with them and 
their  representative  bodies  when  considering  any  significant  changes  to  our  remuneration 
arrangements. The Compensation Committee will consider shareholder feedback received following 
the AGM, as well as any additional feedback and guidance received from time to time. This feedback 
will be considered by the Committee as it develops the Company’s remuneration framework and 
practices going forward. Assisted by its independent adviser, the Compensation Committee also 
actively monitors developments in the expectations of  institutional investors and their representative 
bodies.  

Employment conditions  
The Committee is regularly updated throughout the year on pay and conditions applying to Company 
employees and has formal responsibility for human capital measures across the Company with a 
particular focus on diversity and inclusion activities. Where significant changes are proposed to 
employment conditions elsewhere in the Company these are highlighted for the attention of  the 
Committee at an early stage.  

Other remuneration policies  

Remuneration for new appointments  
Where it is necessary to appoint or replace an Executive Director or to promote an existing Executive 
Director, the Committee’s approach when considering the overall remuneration arrangements in the 
recruitment of  a new Executive Director is to take account of  the calibre, expertise and responsibilities 
of  the individual, his or her remuneration package in their prior role and market rates. Remuneration 
will be in line with our policy and the Committee will not pay more than is necessary to facilitate their 
recruitment.  

The remuneration package for a new Executive Director will be set in accordance with the terms of  
the Company’s approved remuneration policy in force at the time of  appointment. Further details are 
provided below:  

Salary

The  Committee  will  set  a  base  salary  appropriate  to  the  calibre,  experience  and 
responsibilities of  the new appointee. In arriving at a salary, the Committee may take 
into account, amongst other things, the market rate for the role and internal relativities. 

The Committee has the flexibility to set the salary of  a new Executive Director at a 
lower level initially, with a series of  planned increases implemented over the following 
few  years  to  bring  the  salary  to  the  desired  positioning,  subject  to  individual 
performance. 

In exceptional circumstances, the Committee has the ability to set the salary of  a new 
Executive Director at a rate higher than the market level to reflect the criticality of  the 
role and the experience and performance of  the individual. 

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DIRECTORS’ REMUNERATION REPORT  
continued 

Benefits

Pension 
benefits 

Benefits will be consistent with the principles of  the policy. The Company may award 
certain additional benefits and other allowances including, but not limited to, those to 
assist  with  relocation  support,  temporary  living  and  transportation  expenses, 
educational costs for children and tax equalisation to allow flexibility in employing an 
overseas national. 

A  maximum  pension  contribution  of   6%  of   salary  may  be  payable  for  external   
appointments. For an internal appointment, his or her existing pension arrangements 
may continue to operate. Any new Executive Director based outside the UK will be 
eligible to participate in pension or pension allowance, insurance and other benefit 
programmes in line with local practice. 

Annual bonus The maximum bonus opportunity for new appointments is 150% of  their target bonus. 

Other cash or Executive  Directors  may  receive  awards  under  the  SOIP  on  appointment.  The   
equity-based Committee will assess and determine the award level, award vehicle, performance 
conditions  and  vesting  schedule  for  each  individual  on  a  case-by-case  basis.  In 
awards
addition, Executive Directors are eligible to participate in any all employee share 
scheme (for example, ESPP) subject to the conditions set forth therein.  

In addition, the Committee may offer additional cash and/or equity-based elements 
in order to “buy-out” remuneration relinquished on leaving a former employer. Any 
awards  made  in  this  regard  may  have  no  performance  conditions,  or  different 
performance conditions, or a different vesting schedule compared to the Company’s 
existing plans, as the Committee considers appropriate. Depending on the timing and 
responsibilities of  the appointment, it may be necessary to set different annual bonus 
or SOIP performance measures and targets as applicable to other Executive Directors. 

The terms of  appointment for a Non-Executive Director would be in accordance with the remuneration 
policy for Non-Executive Directors as set out in the policy table.  

Service contracts and termination policy  
Executive Directors have rolling service agreements which may be terminated in accordance with 
the terms of  these agreements. The period of  notice for Executive Directors will not normally exceed 
12 months. Executive Directors’ service agreements are available for inspection at the Company’s 
registered office during normal business hours.  

Name

Position

Date of service contract

Notice period 

Bobby Gaspar1 Chief  Executive Officer

2 January 2018

6 months either party 

1

Hubert (Bobby) Gaspar.  

The Company’s policy on remuneration for Executive Directors who leave the Company is set out 
below. The Committee will exercise its discretion when determining amounts that should be paid to 
leavers, taking into account the facts and circumstances of  each case. Generally, in the event of  
termination, the Directors’ service contracts may provide for payment of  basic salary over the notice 
period. Where applicable, the Company may elect to make a payment in lieu of  notice (PILON) 
equivalent in value to basic salary for any unexpired portion of  the notice period. PILON payments 

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DIRECTORS’ REMUNERATION REPORT  
continued 

may  be  made  in  monthly  instalments  or  as  a  lump  sum,  and  the  individual  is  expected  to  take 
reasonable steps to seek alternative income to mitigate the payments. The Company may also pay 
for outplacement services for Executive Directors on termination or the Company may elect to make 
a payment in lieu of  outplacement services. The Company may continue to pay the employer health 
plan  premium  for  the  Executive  Director  on  termination  for  a  period  of   up  to  12  months  (up  to 
18 months in connection with a change in control).  

Any outstanding incentive awards will be treated in accordance with the plan rules, as follows:  

Termination without cause 
or for cause by participant 
in connection with change 
of control 

A  payment  of   up  to  18 
months’ salary payable as a 
lump sum or on a monthly 
basis for termination without 
cause, less any Restrictive 
Covenants 
Agreement 
Setoff   (if   applicable)  paid 
or  to  be  paid  in  the  same 
calendar year.

times 

to  1.5 

Up 
the 
participant’s  target  bonus 
may  be  payable  less  any 
Covenants 
Restrictive 
Agreement 
(if  
applicable)  paid  or  to  be 
paid in the same calendar 
year.

Setoff  

Salary 

Annual Bonus 

Termination without cause
or for cause by participant Termination for cause

No payment.

Unpaid 
bonuses lapse in full.

annual 

cash 

A  payment  equal  to  up  to 
12 months’ salary payable 
as  a  lump  sum  or  on  a 
monthly  basis,  less  any 
amounts payable pursuant 
to  any  restrictive  covenant 
agreements (if  applicable) 
(“Restrictive 
Covenants 
Agreement Setoff”) paid or 
to  be  paid  in  the  same 
calendar year.

Unpaid annual cash bonus 
in  respect  of   prior  year 
performance, 
which 
otherwise would have been 
earned  if   participant  had 
remained 
employed 
through the payment date, 
should  be  paid  in  full.  A 
pro-rata  amount  of  
the 
participant’s  target  bonus 
for the current year should 
be  paid,  subject  to  the 
participant’s 
actual 
performance.

90  Orchard Therapeutics plc 

 
 
 
 
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DIRECTORS’ REMUNERATION REPORT  
continued 

Share Option 
Incentive Plan 

Termination without cause
or for cause by participant Termination for cause

Unvested  awards  lapse  in 
full. 

Unvested  awards  lapse  in 
the 
full,  except  where 
participant 
in 
leaves 
circumstances  where  they 
retain  a  statutory  right  to 
return  to  work  (in  which 
case, awards will continue 
to vest on normal terms).

Termination without cause 
or for cause by participant 
in connection with change 
of control 

On  a  change  of   control, 
merger,  reorganization  or 
other  corporate  event,  the 
Company  may  seek 
to 
replace  awards  with  new 
awards  in  the  successor 
company  (to 
the  extent 
agreed with the successor 
company). In the case of  a 
termination  without  cause 
or 
the 
for  cause  by 
participant  in  connection 
with  a  change  of   control, 
such awards will accelerate 
and vest in full.  

there 
to 

is 
no 
Where 
agreement 
replace 
awards,  on  a  corporate 
event  awards  with  time- 
based  vesting  conditions 
shall vest on the date of  that 
event  and  awards  with 
performance-based vesting 
conditions shall vest on the 
date  of   that  event  to  the 
extent  determined  by  the 
Company  (regardless  of  
the  extent  to  which  any 
conditions 
performance 
attached  to  awards  have 
been satisfied).

The Company is unequivocally against rewards for failure; the circumstances of  any departure, 
including  the  individual’s  performance,  would  be  taken  into  account  in  every  case.  Statutory 
redundancy  payments  may  be  made,  as  appropriate.  Service  agreements  may  be  terminated 
summarily without notice (or on shorter notice periods) and without payment in lieu of  notice in certain 
circumstances, such as gross misconduct or any other material breach of  the obligations under their 
employment contract. The Company may require the individual to work during their notice period or 
may  place  them  on  garden  leave  during  which  they  would  be  entitled  to  salary,  benefits  and 
pension only.  

Except in the case of  gross misconduct or resignation, the Company may at its absolute discretion 
reimburse for reasonable professional fees relating to the termination of  employment and, where an 
Executive Director has been required to re-locate, to pay reasonable repatriation costs, including 
possible tax exposure costs. This includes any statutory entitlements or sums to settle or compromise 
claims in connection with a termination (including, at the discretion of  the Committee, reimbursement 
for legal advice and provision of  outplacement services).  

Orchard Therapeutics plc  91

 
 
 
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DIRECTORS’ REMUNERATION REPORT  
continued 

Policy on external appointments  
The Board believes that it may be beneficial to the Company for executives to hold non-executive 
directorships outside the Company. Any such appointments are subject to approval by the Board, 
and the director may retain any fees received at the discretion of  the Board. Dr Gaspar does not 
currently hold any outside directorships.  

Non-Executive Directors’ terms of engagement  
Each of  the Non-Executive Directors is engaged under a Non-Executive Director appointment letter. 
In any event, each appointment is terminable by either party on not less than three months’ written 
notice. Our board of  directors is classified, meaning that each of  our directors is designated to one 
of  three classes and is elected to serve a term of  between one and three years. The Chair and 
Non-Executive Directors are only entitled to fees accrued to the date of  termination.  

The dates of  appointment of  each of  the Non-Executive Directors serving at 31 December 2021 are 
summarised in the table below. Dates prior to our incorporation in August 2018 as Orchard Rx Limited 
(now known as Orchard Therapeutics plc) are for Non-Executive Directors who served on the board 
of  our predecessor company, Orchard Therapeutics Limited (now known as Orchard Therapeutics 
(Europe) Limited).  

Non-Executive Directors 

Date of contract or date of appointment  

Service at 31.12.21 

Joanne Beck
Marc Dunoyer
James Geraghty
Charles Rowland
Alicia Secor
John Curnutte
Steven Altschuler

1 July 2018
6 June 2018
4 June 2018
1 June 2018
7 December 2018
30 August 2019
3 February 2020

3 years 6 months 
3 years 7 months 
3 years 7 months 
3 years 7 months 
3 years 1 month 
2 years 4 months 
1 year 11 months 

Directors’ letters of  appointment are available for inspection at the Company’s registered office during 
normal business hours and will be available for inspection at the AGM.  

Illustration of remuneration policy 
The  remuneration  arrangements  are  designed  to  ensure  that  a  significant  proportion  of   pay  is 
dependent on the Company’s performance. The Compensation Committee considers the level of  
remuneration  that  may  be  received  under  different  performance  outcomes  to  ensure  that  this  is 
appropriate in the context of  the success of  the Company. The chart below provides illustrative values 
of  the annual compensation package for the Chief  Executive Officer in 2022 under three assumed 
performance scenarios. This chart below is for illustrative purposes only and actual outcomes may 
differ from those shown. The variable remuneration in the charts below only include annual bonus 
opportunity. Executive Directors typically receive an annual award of  market value options, the intrinsic 
value of  which is zero at grant, and is therefore only included in the share price appreciation element. 

92  Orchard Therapeutics plc 

 
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DIRECTORS’ REMUNERATION REPORT  
continued 

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Assumed performance

Assumptions 

Fixed pay

All performance scenarios

Variable pay

Minimum

On-target

Maximum performance

Share price
appreciation

Impact of  50% Share-price
appreciation

Consists  of   fixed  pay  including  base 
salary, benefits and retirement benefits. 

– Base salary –  as effective 1 January 

2022 

– Benefits – using 2021 values 

– Retirement benefits – 6% salary 

– No pay-out on annual bonus 

– CEO  target  bonus  for  2022  =  60% 

salary 

– Maximum bonus pay-out of  annual 
bonus, at 1.5x target i.e. 90% salary 

– Orchard typically awards long-term 
incentives to Executive Directors in 
the form of  share options. 

– The  number  of   share  options 
granted  to  the  CEO  in  2021  and 
2022 is 850,000 share options. 

– For 

illustrative  purposes,  were 
850,000  share  options  granted  at 
market value using closing price on 
31  December  2021-  $1.32,  a  50% 
appreciation in the share price would 
result in a gain of  $561,000. 

Orchard Therapeutics plc  93

 
 
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DIRECTORS’ REMUNERATION REPORT  
continued 

Annual Report on Remuneration  
This part of  the report has been prepared in accordance with Part 3 of  The Large and Medium-sized 
Companies and Groups (Accounts and Reports) (Amendment) Regulations 2013 as amended, The 
Companies (Directors’ Remuneration Policy and Directors’ Remuneration Report) Regulations 2019 
(“the 2019 regulations”) and Rule 9.8.6 of  the Listing Rules. Since the Company is not FTSE-listed, it 
is under no obligation to comply with the UK Corporate Governance Code, but best practice and 
good  governance  have  been  considered  when  preparing  this  report.  The  Annual  Report  on 
Remuneration and the Annual Statement by the Chair of  the Compensation Committee will be put to 
a single advisory shareholder vote at the AGM on 7 June 2022.  

Compensation Committee (the “Committee”)  
The current members of  the Committee, who are all independent, are Charles Rowland (Chair), 
Joanne Beck and Alicia Secor.  

The Company Chair and members of  management are invited to attend meetings where appropriate. 
The  Company  Secretary  is  the  secretary  to  the  Committee.  Attendees  are  not  involved  in  any 
decisions and are not present for any discussions regarding their own remuneration.  

No conflicts of  interest have arisen during the period and none of  the members of  the Committee 
has any personal financial interest in the matters discussed, other than as shareholders. The fees of  
the  Non-Executive  Directors  are  approved  by  the  Board  on  the  joint  recommendation  of   the 
Committee and the Executive Directors.  

Meetings attendance during 2021  

Charles Rowland
Joanne Beck
Alicia Secor

Attendance 

7 of  7 
7 of  7 
7 of  7 

Independent advisors  
Wholly independent advice on executive remuneration is received from the Executive Compensation 
practice of  Aon plc. Aon advises on remuneration arrangements and all aspects of  senior executive 
remuneration.  In  2021,  Aon  assisted  the  Committee  and  kept  the  Committee  up  to  date  on 
remuneration trends and regulations. During the 2021 financial year, fees charged by Aon for advice 
provided to the Committee amounted to $131,226 (2020: $171,329) (excluding VAT). In addition, Aon 
provided  advice  to  the  Company’s  Human  Resources  function  on  implementation,  which  the 
Committee considers in no way prejudices Aon’s position as the Committee’s independent advisor. 
Goodwin Procter LLP have also advised the Company’s Human Resources function on compensation.  

Activity in the period  
The Committee’s principal function is to support Orchard’s strategy by ensuring that those individuals 
responsible  for  delivering  the  strategy  are  appropriately  incentivised  and  rewarded  through  the 
operation  of   Orchard’s  remuneration  policy.  In  implementing  the  remuneration  policy,  and  in 
constructing the remuneration arrangements for executive directors and senior employees, the Board, 
advised by the Committee, aims to provide remuneration packages that are competitive and designed 
to attract, retain and motivate Executive Directors and senior employees of  the highest calibre.  

94  Orchard Therapeutics plc 

 
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DIRECTORS’ REMUNERATION REPORT  
continued 

The Committee is responsible for and considered, where applicable, during the period:  

(cid:129)

(cid:129)

(cid:129)

(cid:129)

evaluating the efficacy of  the Company’s remuneration policy and strategy;  

reviewing and determining remuneration to be paid to the Company’s executive officers and 
directors;  

reviewing and making recommendations to the Board regarding remuneration for non-executive 
members of  the Board;  

agreeing the design of  all share incentive plans;  

(cid:129) preparing any report on executive remuneration required by the rules and regulations of  the U.S. 
Securities and Exchange Commission, The Nasdaq Stock Market LLC and as required under UK 
law;  

(cid:129)

(cid:129)

(cid:129)

(cid:129)

(cid:129)

(cid:129)

reviewing, evaluating, and approving employment agreements, severance agreements, change-
of-control protections, corporate performance goals and objectives, and other compensatory 
arrangements of  the executive officers and other senior management and adjusting remuneration, 
as appropriate;  

evaluating and approving remuneration plans and programs and establishing equity remuneration 
policies;  

reviewing remuneration practices and trends to assess the adequacy and competitiveness of  
the  executive  remuneration  programs  as  compared  to  industry  peers,  and  determining  the 
appropriate levels and types of  remuneration to be paid;  

approving any loans by the Company to employees;  

reviewing  and  approving  remuneration  arrangements  for  any  executive  officer  involving  any 
subsidiary, special purpose or similar entity, with consideration of  the potential for conflicts of  
interest; and  

reviewing the Company’s practices and policies of  employee remuneration as they relate to risk 
management and risk-taking incentives.  

The Committee is formally constituted and operates on written terms of  reference, which are available 
on Orchard’s website, www.orchard-tx.com. During 2021, the Committee’s remit was extended to 
oversee the Company’s policies and strategies relating to culture and human capital management, 
including diversity and inclusion. 

Statement of  shareholder voting at 2021 AGM  
At last year’s AGM held on 16 June 2021, votes cast by proxy and at the meeting in respect of  the 
Directors’ remuneration were as follows:  

                                                    Votes For                   Votes Against               Votes Withheld 

                                              % of      Number            % of      Number             % of      Number 
                                            votes                 of           votes                 of           votes                of 
                                              cast           votes             cast           votes             cast          votes 

To approve the Directors’ 
Remuneration Report               94.9%  62,998,348            5.0%    3,299,947            0.1%         61,446  

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DIRECTORS’ REMUNERATION REPORT  
continued 

The Directors’ Remuneration Policy was approved the Company’s AGM held on 26 June 2019 as follows:  

                                                    Votes For                   Votes Against               Votes Withheld 

                                              % of      Number            % of      Number             % of      Number 
                                            votes                 of           votes                 of           votes                of 
                                              cast           votes             cast           votes             cast          votes 

To approve the Directors’ 
Remuneration Policy                 91.6%  33,863,941            8.4%    3,110,196               0%              750 

Single total figure of  Directors’ remuneration – year ended 31 December 2021 (audited)  
The total remuneration of  the individual Directors who served in the year ended 31 December 2021, is 
shown below. Total remuneration is the sum of  emoluments plus Company pension contributions. The 
below table has been presented in US dollars ($) which is the functional currency of  the reporting entity:  

                                                       Base                                                                                           Total                                  
                                                     salary                                                                                       remun-        Total        Total 
                                                       /fees  Benefits2  Pension3      Bonus       SOIP4      PSUs5        eration        fixed   variable 
                                                       $000         $000         $000         $000         $000         $000         $000 

Executive Directors 
Bobby Gaspar                       2021        605.1            3.2          27.2        217.8               –               –        853.4        635.5        217.8 
                                       2020        542.5            6.6               –        169.9               –          44.8        763.8        549.1        214.7 

                                                       Base                                                                                           Total                                  
                                                     salary                                                                                       remun-        Total        Total 
                                                       /fees  Benefits2   Pension      Bonus       SOIP3      PSUs4        eration        fixed   variable 
                                                       $000         $000         $000         $000         $000         $000         $000 

Non-Executive Directors 
Steven Altschuler6                  2021          51.9               –               –               –               –               –          51.9          51.9               – 
                                       2020          47.2               –               –               –               –               –          47.2          47.2               – 
Joanne Beck                          2021          59.4               –               –               –               –               –          59.4          59.4               – 
                                       2020          58.0               –               –               –               –               –          58.0          58.0               – 
John Curnutte                        2021          63.7               –               –               –               –               –          63.7          63.7               – 
                                       2020          60.5               –               –               –               –               –          60.5          60.5               – 
Marc Dunoyer                        2021          59.1               –               –               –               –               –          59.1          59.1               – 
                                       2020          59.5               –               –               –               –               –          59.5          59.5               – 
Jon Ellis7                                 2021               –               –               –               –               –               –               –            0.0               – 
                                       2020               –               –               –               –               –               –               –            0.0               – 
James Geraghty                    2021          95.1               –               –               –               –               –          95.1          95.1               – 
                                       2020          95.8               –               –               –               –               –          95.8          95.8               – 
Charles Rowland                    2021          78.1               –               –               –               –               –          78.1          78.1               – 
                                       2020          78.7               –               –               –               –               –          78.7          78.7               – 
Alicia Secor8                           2021          72.1               –               –               –               –               –          72.1          72.1               – 
                                       2020          53.0               –               –               –               –               –          53.0          53.0               – 

Total                                       2021      1084.6            3.2          27.2        217.8               –               –      1332.8      1115.0        217.8 
                                       2020        995.2            6.6            0.0        169.9               –          44.8      1216.5      1001.8        214.7 

1. Dr Gaspar’s salary is £440,000 per annum. 2021 figures are converted at a 12-month average rate for 2021 of  GBP 1 

= USD 1.3753. 2020 figures are converted at a 12-month average rate of  GBP 1 = USD 1.2871.  
For Executive Directors, included private health insurance, long term disability, critical illness and death in service benefits. 
2.
3.  Effective 1 April 2021, Dr. Gaspar began receiving a cash allowance in lieu of  the Company’s pension contribution 

4.

5.

equal to 6% of  his salary. Dr. Gaspar received no pension benefits from the Company before this date. 
The figures for the SOIP represent the intrinsic value of  the share options on the date of  grant. All share options 
granted to Directors are awarded at the market value and therefore the intrinsic value at the time of  grant is zero. 
Details of  all options awarded to individual Directors during the year, including the number of  options under award, 
the exercise price, vesting schedule and the grant date fair value can be found in the tables below. All awards in the 
column are subject to continued service only and are not subject to any further performance conditions.  
6,250  PSUs  vested  for  Dr.  Gaspar  as  a  result  of   Libmeldy’s  approval  by  the  European  Commission  on  the 
17 December 2020. These shares vested on 8 January 2021 and are valued using the closing price of  $7.17. None 
of  this value was attributable to share price appreciation from the time of  grant.  

6. Steven Altschuler joined the Board of  Directors on 3 February 2020. 

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DIRECTORS’ REMUNERATION REPORT  
continued 

7.

Jon  Ellis  did  not  stand  for  re-election  at  the  2021  AGM  and  left  the  Board  on  16  June  2021.  He  received  no 
remuneration for his services to the Board of  Directors. 

8. Alicia Secor received a one-time retrospective payment of  $11,250 in April 2021 for prior services to the Nomination 

and Governance Committee which had previously not been paid. 

2021 Annual bonus  
During  a  series  of   meetings  between  December  2021  and  February  2022,  the  Compensation 
Committee evaluated achievement of  the 2021 corporate objectives and each Executive Director’s 
individual performance.  

The  Compensation  Committee  reviewed  the  corporate  goals,  below,  and  based  on  the  results 
approved a 60% achievement level of  the 2021 corporate objectives.  

Key achievements against agreed goals were as follows:  

Build  a  foundation  for  a  sustainable  commercial  business  –  A  key  element  of   Orchard’s 
commercial model is expanding newborn screening programs for patient identification. During 2021, 
studies were established in US and Europe. 

Important technology transfers to a U.S. CDMO were initiated and we advanced certain lentiviral 
vector  manufacturing  technology  by  establishing  a  stable  cell  line  research  bank  which  could 
eventually lead to a reduction in costs of  product manufacturing. The manufacturing platform strategy 
was reviewed by our board of  directors during 2021 and designed to achieve robust, reproducible 
and at-scale processes, another foundational element of  our future commercial business.  

We have also established internal process development labs in London to continue to enhance our 
viral vector and drug product manufacturing processes. 

Advance  our  portfolio  to  key  milestones  –  Interim  clinical  data  was  presented  at  medical 
conferences for OTL-203 (MPS-I) and OTL-201 (MPS-IIIA) that supports further advancement of  our 
clinical programs in those indications. The data was presented for both programs at the WORLD 
medical meeting in February 2021. In addition, pre-clinical data in two research programs (e.g. FTD 
and Crohn’s disease) that supported further development activities was also presented during 2021. 

Maintain a performance-driven culture internally and with partners – Importantly, we completed 
a financing during 2021 with gross proceeds totaling $150 million, which extended our cash runway 
and executed a partnership with Pharming Group, which provided additional validation to the HSC 
gene therapy platform. Strimvelis was also returned to the European market following a favorable 
risk/benefit determination by regulatory bodies.  

Internally, we completed the initial phase of  our global diversity & inclusion initiative. This resulted in 
significant  employee  participation  and  engagement  to  support  a  strong  culture  and  employee 
retention. 

Additional achievements and considerations  
Further to the  corporate goals, a number of  additional achievements are considered noteworthy for 
the company’s performance during 2021. In terms of  our pipeline 

– we completed the enrollment in the OTL-201 (MPS-IIIA) proof-of-concept clinical trial; 

–

initiated new discovery projects and work on vectorizing antibodies, including the presentation 
of  the scientific basis for these programs at a September R&D Day with investors and analysts; 

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DIRECTORS’ REMUNERATION REPORT  
continued 

–

–

re-initiated patient recruitment for OTL-102 (X-CGD); and 

received EU Orphan Drug Designation for two new pre-clinical programs in our pipeline. 

Our scientific activities were recognised with the publication of  OTL-203 (MPS-I) clinical data and 
OTL-101  (ADA-SCID)  clinical  data  in  the  New  England  Journal  of   Medicine  and  an  integrated 
manuscript of  OTL-200 (MLD) was accepted to Lancet. We also presented OTL-203 (MPS-I) clinical 
data during the Presidential Symposia at EHA 2021.  In total, 46 posters or presentations covering 
our portfolio were made at medical meetings and congresses in 2021. 

From a commercial perspective, launch activities are ongoing for Libmeldy with the first commercial 
price established in Germany and market access progress in France, UK and Italy. 

Financially, we were able to refinance our credit facility allowing for increased borrowing capacity 
and a lower overall cost of  capital. 

The Committee also notes the successful changes to the Company’s executive team including the 
additional capabilities of  Nicoletta Loggia as Chief  Technical Officer and Fulvio Mavilio as Chief  
Scientific Officer. 

The achievements above contribute to the performance score of  60%. 

Annual Bonus (audited) 
A Corporate Performance Score of  60% corresponds to a bonus outcome equivalent to 60% of  target 
for the CEO. This equates to a 2021 bonus payment equal to 36% of  base salary.  

The Committee notes that the same performance score has been applied consistently to all executives 
and employees across the Company.  

                                                                           Target Annual 
                                                                             Cash Bonus                 Corporate       Cash payment       Cash outcome 
Executive Director                     Base salary ($)         (% of salary)           performance                 % salary                           ($) 

Bobby Gaspar                     $605,114                60%                   60%                  36%         $217,841 

1

Dr. Gaspar’s base salary and bonus are paid in GBP (£) and awards have been translated into USD at a rate of  
GBP 1 = USD 1.3753, which was the average rate during 2021. The salary basis for the bonus was Dr Gaspar’s 
salary as CEO, £440,000.  

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DIRECTORS’ REMUNERATION REPORT  
continued 

Share Option Incentive Plan  

Awards granted to Executive Directors in 2021 (audited)  
During 2021, Dr Gaspar received two equity awards: 

–

–

an annual equity award of  share options; and 

an award of  share options delivered in lieu of  50% of  the 2020 annual bonus. The number of  
shares covered under this award was calculated using the grant date fair value. The delivery of  
a portion of  the 2020 annual bonus was consistent with all members of  the company’s leadership 
team  and  the  cash  saving  made  by  the  Company  as  a  result  of   this  decision  was  used  as 
additional funding to the available employee bonus pool. 

                                                                                                                                                                                                                                           Value 
                                                                                                                        Face           Fair                                                                                      realized 
                                                                                                                       Value        Value                                                                                                at 
                                                                                                                    at Date     at Date                                                  Vested                       exercise 
                                         Form of            Date of     Shares   Exercise   of Grant   of Grant                    Expiry      Vest        (as at                                  or           Un- 
Executive Director                      Award              Grant  Covered         Price          (000)         (000)                      Date   Terms   31.12.21)  Exercised     vesting      vested 

Bobby Gaspar                    FMV Options      1 Feb 2021    850,000         $5.98   $5,083.0   $3,295.0               31/1/2031          (1)   177,083                 nil            n/a    672,917 
                                 FMV Options      1 Feb 2021      55,006         $5.98      $328.9      $209.7               31/1/2031          (2)     45,838                 nil            n/a        9,168 

*

The fair market value options are granted at the market price which is the exercise price. The face value at date of  
grant  is  calculated  as  the  number  of   shares  multiplied  by  the  exercise  price.  The  fair  value  at  date  of   grant  is 
calculated as the Black Scholes value.  

(1) The options vest, and become exercisable, over a four-year period on a monthly basis commencing 

upon the one-month anniversary of  the vesting commencement date of  1 February 2021.  

(2) The options vest, and become exercisable, over a one-year period on a monthly basis commencing 

upon the one-month anniversary of  the vesting commencement date of  1 February 2021.  

PSUs Vesting in the period  
On  16  January  2019,  Dr  Gaspar  had  been  granted  18,750  Performance  Share  Units  subject  to 
performance conditions.  

On 17 December  2020, the Company received full marketing authorization of  Libmeldy for the 
treatment of  MLD in all 27 member states of  the European Union. As a result of  this authorization, 
and following subsequent ratification by the Board, one-third of  the shares under award, 6,250, vested 
on 8 January 2021 and were released to Dr. Gaspar.  

                                                                                                Vested due to         Number      Share price 
                             Form of                    Date of        Shares         milestone       of shares        on vesting       Vested Value 
Executive Director         Award                      Grant     Covered    achievement          vesting                  date   8 January 2021 

Bobby Gaspar             PSUs  16 January 2019      18,750              1/3rd           6,250              $7.17            $44,812 

The remaining 12,500 PSUs were subject to additional performance conditions. 

These  additional  performance  conditions  related  to  share  price  performance  and  clinical  and 
regulatory  milestones  in  relation  to  OTL-101  and  OTL-103.  Of   the  four  performance  conditions 
attributed to the PSU award, each had a 1/3rd weighting, with three of  the four required for full vesting. 
Across these four, only the milestone relating to MLD was achieved. As none of  the further conditions 
were met before 31 December 2021 the remainder of  Dr. Gaspar’s award – 12,500 shares – lapsed 
in full.

Orchard Therapeutics plc  99

 
262883 Orchard Annual Report pp076-pp106.qxp  26/04/2022  19:26  Page 100

DIRECTORS’ REMUNERATION REPORT  
continued 

Awards granted to Non-Executive directors between 1 January 2021 and 
31 December 2021 (audited)  
Non-executive directors received the following option awards during the year, each vesting based 
on continued service only (in thousands, except for share and per share amounts):  

                                                                                                                        Face           Fair                                                                                          Value 
                                                                                                                       Value        Value                                                                                      realized 
                                     Form of               Date of     Shares   Exercise     at Date     at Date                    Expiry      Vest                                                    at     Unexe- 
Non-Executive Directors         Award                  Grant  Covered         Price   of Grant   of Grant                       Date   Terms      Vested    Exercised   exercise       rcised 

Steven Altschuler           FMV Options*           16-Jun-21      40,000         $4.79  $191,600  $121,592               15-Jun-31          (1)             nil                 nil              nil      40,000 
Joanne Beck                  FMV Options*           16-Jun-21      40,000         $4.79  $191,600  $121,592               15-Jun-31          (1)             nil                 nil              nil      40,000 
Marc Dunoyer                FMV Options*           16-Jun-21      40,000         $4.79  $191,600  $121,592               15-Jun-31          (1)             nil                 nil              nil      40,000 
James Geraghty             FMV Options*           16-Jun-21      40,000         $4.79  $191,600  $121,592               15-Jun-31          (1)             nil                 nil              nil      40,000 
Charles Rowland            FMV Options*           16-Jun-21      40,000         $4.79  $191,600  $121,592               15-Jun-31          (1)             nil                 nil              nil      40,000 
Alicia Secor                    FMV Options*           16-Jun-21      40,000         $4.79  $191,600  $121,592               15-Jun-31          (1)             nil                 nil              nil      40,000 
John Curnutte                 FMV Options*           16-Jun-21      40,000         $4.79  $191,600  $121,592               15-Jun-31          (1)             nil                 nil              nil      40,000 

*

The fair market value options are granted at the market price which is the exercise price. The face value at date of  
grant  is  calculated  as  the  number  of   shares  multiplied  by  the  exercise  price.  The  fair  value  at  date  of   grant  is 
calculated as the Black Scholes value.  

(1) The options vest and become exercisable at the earlier of  one year from the date of  grant or the 

next AGM.   

Jon Ellis received no option grants during the year.  

Payments to former Directors (audited) 
No payments were made to former Directors of  the Company during the year.  

External directorships  
The Executive Directors do not currently hold any outside directorships.  

Statement of Directors’ shareholding and share interests (audited)  
The share interests of  each Director as at 31 December 2021 (together with interests held by his or 
her connected persons) are set out in the table below.  

For 2021, Orchard Therapeutics did not operate any formal shareholding guidelines for Directors’ 
shareholding requirements. From 2022 onwards, Executive Directors will be expected to build up 
and maintain a shareholding with a value relative to their salaries. For the CEO, this guideline is 200% 
of  salary and for other Executive Directors, 100% salary. Executive Directors will be expected to 
exceed this guideline within 5 years of  appointment or the implementation of  this requirement. 

100  Orchard Therapeutics plc 

 
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DIRECTORS’ REMUNERATION REPORT  
continued 

                                                                        Shares                                    Share Options 

                                                               Unvested        Unvested                                Unvested        Unvested 
                                   Beneficially           without                 with                                   without                 with 
                               owned shares  performance  performance      Vested but  performance  performance 
                                as at 31/12/21      conditions      conditions   unexercised      conditions      conditions 

Executive Directors 
Bobby Gaspar                  355,158                   –                   –     1,194,767     1,189,541                   – 

Non-Executive Directors 
Joanne Beck                         9,294                   –                   –        150,030          40,000                   – 
John Curnutte                              –                   –                   –          73,833          51,167                   – 
Marc Dunoyer                     37,179                   –                   –        150,030          40,000                   – 
Jon Ellis1                                       –                   –                   –                   –                   –                   – 
James Geraghty                 44,391                   –                   –        390,120          40,000                   – 
Charles Rowland                 12,294                   –                   –        150,030          40,000                   – 
Alicia Secor                                  –                   –                   –        120,000          40,000                   – 
Steven Altschuler                         –                   –                   –          65,555          59,445                   – 

1.

Jon Ellis left the Board on 16 June 2021. 

Performance graph and table  
The chart below shows the Company’s Total Shareholder Return (TSR) performance compared with 
that of  the SPDR S&P Biotech Index (XBI) over the period from the date of  the Company’s admission 
to 31 December 2021. The XBI Index has been chosen as an appropriate comparator as a broad index 
comprising of  small and mid-cap biotechnology companies. TSR is defined as the return on investment 
obtained from holding a company’s shares over a period. It includes dividends paid, the change in the 
capital value of  the shares and any other payments made to or by shareholders within the period.  

+,-./,012.3,/43567-8

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This graph shows the value, by 31 December 2021, of  $100 invested in Orchard Therapeutics on 
31 October 2018 at the IPO price of  $14, compared with the value of  $100 invested in the XBI on the 
same date.  

Orchard Therapeutics plc  101

 
 
262883 Orchard Annual Report pp076-pp106.qxp  26/04/2022  19:26  Page 102

DIRECTORS’ REMUNERATION REPORT  
continued 

Aligning pay with performance  
The total remuneration figure for the CEO is shown in the table below, along with the value of  bonuses 
paid, and SOIP vesting, as a percentage of  the maximum opportunity:  

Chief Executive Officer                                                    2018            2019            2020            2021 

Total remuneration ($000)1                                                  $555         $1,016            $764            $853 
Actual bonus (% of  the maximum)                                       N/A           44%*        37.5%*        22.5%* 
SOIP vesting (% of  the maximum) **                                    N/A              N/A              N/A              N/A 

1

*

**

For 2018 and 2019, these figures are for Orchard’s previous CEO Mark Rothera and for 2020 and 2021 the full-year 
remuneration for Dr. Gaspar.  
Calculated as the bonus earned in the year by Dr. Gaspar expressed as a portion of  the maximum available under 
the Company’s Directors’ Remuneration Policy 160% of  salary. 
There is no maximum grant policy under the SOIP; therefore, this information cannot be disclosed. 

Relative importance of spend on pay  
The table below illustrates the Company’s expenditure on pay by the Group in comparison to total 
operating expenses. Total operating expenses is a combined total of  R&D and selling, general & 
administrative  expenses  before  any  deduction  for  any  research  and  development  tax  credits 
recognised in the year. This is chosen as an appropriate measure of  the Company’s major year-on-
year expenditure. It is considered to be a more complete representation of  our operations compared 
to R&D expenses which had been used in prior years.  

                                                                                                         2020            2021   % change 

Total operating expenses                                                                $181,866     $157,850        -13.2% 
Total employee pay expenditure ($’000)1                                          $87,091       $73,704        -15.4% 

1

Total employee pay expenditure in the table above is inclusive of  cash payments for salaries and wages, as well as 
employer benefits and tax costs. It also includes $22,536 and $27,962k in non-cash share-based compensation 
expense for 2021 and 2020 respectively.  

102  Orchard Therapeutics plc 

 
262883 Orchard Annual Report pp076-pp106.qxp  26/04/2022  19:26  Page 103

DIRECTORS’ REMUNERATION REPORT  
continued 

Average percentage change in remuneration of Directors and Employees  
As required by the 2019 regulations, the table below shows a comparison of  the annual change of  
each individual director’s pay to the annual change in average employee pay in the year ended 
31 December 2021.  

                                                          Change in pay between               Change in pay between  
                                                          31 December 2020 and                31 December 2019 and  
                                                              31 December 2021                       31 December 2020 

                                  Base salary/             Bonus            Benefit   Base salary/             Bonus            Benefit 
                                    fee change           change           change     fee change           change           change 

Executive Directors 
Bobby Gaspar1                       12%             28%2          361%3           57.7%             -54%                0% 

Non-Executive Directors4 
Joanne Beck                             2%                n/a                n/a           41.4%                n/a                n/a  
John Curnutte5                          5%                n/a                n/a         278.0%                n/a                n/a  
Marc Dunoyer                          -1%                n/a                n/a           26.5%                n/a                n/a  
Jon Ellis6                                    n/a                n/a                n/a                n/a                n/a                n/a  
James Geraghty                      -1%                n/a                n/a           15.0%                n/a                n/a  
Charles Rowland                     -1%                n/a                n/a           31.1%                n/a                n/a  
Alicia Secor7                           36%                n/a                n/a           23.0%                n/a                n/a  
Steven Altschuler8                   10%                n/a                n/a                n/a                n/a                n/a  
Average employee9                 n/a                n/a                n/a                n/a                n/a                n/a  

Please note that all figures are impacted by exchange rate fluctuation between the currency in which the Board is paid, 
GBP, and our reporting currency, USD. 

1

2

3

4
5
6
7

8
9

Dr. Gaspar did not receive a salary increase in 2021 for his services as CEO. The increases represented here 
corresponds to a salary increase upon promotion to CEO during 2020. This figure is also impacted by exchange rate 
fluctuations  
The 2020 bonus (paid in February 2021) figure represents the cash amount paid only. Dr. Gaspar received share 
options with a fair value equal to 50% of  the 2020 annual bonus in lieu of  cash.  
Dr. Gaspar’s increase relates to a cash allowance in lieu of  pension contribution effective 1 April 2021 which he had 
not received prior to that date. 
None of  the Non-Executive Directors are eligible for an annual bonus and none claimed any benefits during the year. 
John Curnutte joined the Board in 2019 and the remuneration received in 2019 was not a full annual amount.  
Jon Ellis did not receive any remuneration for his services to the Board and left the Board on 16 June 2021. 
Alicia Secor receive a one-off  retrospective payment of  $11,250 in April 2021 for prior services to the Nomination 
and  Governance  Committee  which  has  previously  not  been  paid.  Her  fees  for  services  to  the  Board  were  not 
increased during 2021.  
Steven Altschuler joined the Board during 2020 and therefore no comparative information is shown.  
As the parent company Orchard Therapeutics Plc has no direct employees. All employees are employed by the 
relevant local entities. 

Statement of  implementation of  remuneration policy in 2022  

Annual base salary 
On March 1 2022 Dr. Gaspar’s salary was increased by 5%. This increase is in line with salary 
increases awarded to all employees at the Company who are eligible for a 2022 salary review. 

                                                                         Base salary          Base salary                              
                                                                                     2021                      2022             % change 

Bobby Gaspar, Chief  Executive Officer,                      £440,000               £462,000                        5% 

Orchard Therapeutics plc  103

 
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DIRECTORS’ REMUNERATION REPORT  
continued 

Benefits and pension  
In 2022, Executive Directors are eligible for the same benefits (such as health insurance and pension) 
as  provided  to  all  employees  in  the  jurisdiction  in  which  they  reside.  Pension  contributions  for 
Executive Directors are up to 6% of  base salary which may be taken as a cash allowance. 6% is the 
rate provided to all employees in the UK and therefore representative of  the rate for the rest of  the 
workforce.  

Annual Bonus  
The CEO will be entitled to a target bonus of  60% of  base salary, with the maximum payout up to 
150% of  target bonus (90% salary).  

These 2022 targets and maximum have been set within the overall Directors’ Remuneration Policy. 
Unless otherwise determined by the Compensation Committee, the bonus will be paid in cash and 
subject to the achievement of  a number of  strategic objectives determined by the Committee.  

Specific targets are commercially sensitive and therefore are not disclosed in advance. However, full 
details of  the targets and performance against them will be disclosed when they are no longer 
considered commercially sensitive. 

Within the overall maximum annual bonus provision in the Directors’ Remuneration Policy – currently 
160% of  salary per annum - the Committee reserves the right to provide an additional milestone-
based bonus. This would only be applied in circumstances deemed appropriate to focus on and 
incentivize  key  fundamental  objectives  to  the  Company.  Such  an  award  would  only  be  made  to 
Executive Directors if  equivalent incentives are provided to a significant proportion of, if  not all, 
employees of  the Company. In such circumstances, full details including performance conditions 
would be provided in the Directors’ Remuneration Report for the relevant financial year. 

Share Option Incentive Plan (SOIP)  
Annual award of  share options  
In 2022, as part of  the annual compensation package, the CEO will be granted no more than 850,000 
share options in the Company at the same time as all eligible employees. At the date of  this report, 
the Committee notes that these options have not been granted. 

The Committee recognizes that the Company’s share price has declined significantly and for that 
reason –  half  of  the award – on a grant date fair value basis – will be granted as premium-priced 
share options. These premium priced options will have an exercise price set at 25% higher than the 
closing price of  the Company’s ADSs on the Nasdaq Global Select Market on the date of  grant. 
Consequently, approximately half  of  the CEO’s 2022 share option award will have no intrinsic value 
until the share price increases by at least 25%. The Committee believes that this further aligns the 
CEO  with  the  shareholders  of   the  Company  considering  recent  share  price  performance  and 
implementing an additional performance hurdle reinforces our pay for performance principle. 

The overall maximum number of  options that will be awarded is equal to the number of  share options 
granted as an annual award made in 2021. 

104  Orchard Therapeutics plc 

 
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DIRECTORS’ REMUNERATION REPORT  
continued 

                                                                                    Anticipated              Maximum 

Executive                                                    Form of                   Date of                   Shares                Exercise                      Vest 
Director                                                         Award                     Grant                Covered                      Price                   Terms 

Bobby Gaspar            Combination of  FMV options           1 June 2022                  850,000       On a fair value                          (1) 

                                        and premium-priced                                                                 basis 50% of  the  
                                                    share options                                                                       award will be  
                                                                                                                                        granted as market  
                                                                                                                                               value options. 

                                                                                                                                              The remaining  
                                                                                                                                                     50% to be  
                                                                                                                                            granted with an 
                                                                                                                                           exercise price at 
                                                                                                                                            a 25% premium  
                                                                                                                                                to the closing  
                                                                                                                                                  price on the  
                                                                                                                                               date of  grant. 

(1) The share options will expire 10 years from the date of  grant. The share options vest monthly over a 4-year period 

and are not subject to any further performance conditions.  

At the date of  this report, there is no intention to make any further awards under the SOIP to any 
Directors. Any awards made during the year, including the full details of  the award described for 
Dr. Gaspar, will be disclosed in the relevant Directors’ Remuneration Report.  

Non-Executive Directors’ fees for 2022  
Non-Executive Directors are eligible to receive the following cash compensation annually. The cash 
fees remain unchanged for 2022. 

                                                                                                            2022 Fee               2021 Fee 
                                                                                                              in $’000                 in $’000  

Base fee: 
Board Chair                                                                                                        $85                        $85
Board Member                                                                                                   $45                        $45  

Additional fees: 
Audit Committee Chair                                                                                       $18                        $18 
Audit Committee Member                                                                                    $9                          $9 
Compensation Committee Chair                                                                        $15                        $15 
Compensation Committee Member                                                                  $7.5                       $7.5 
Nominating and Corporate Governance Committee Chair                                $10                        $10 
Nominating and Corporate Governance Committee Member                             $5                          $5 
Science and Technology Committee Chair                                                        $10                        $10 
Science and Technology Committee Member                                                 $7.51                          $5 

(1) The increase in the Science and Technology Committee fee was effective 1 April 2021.  

Orchard Therapeutics plc  105

 
 
262883 Orchard Annual Report pp076-pp106.qxp  26/04/2022  19:26  Page 106

DIRECTORS’ REMUNERATION REPORT  
continued 

The  Company  provides  an  initial,  one-time  equity  award  of  92,000  stock  options  to  each  new 
Non-Executive  Director  upon  his  or  her  election  to  our  board  of   directors.  Under  normal 
circumstances, initial share awards vest monthly over three years. The Company intends to provide 
an annual equity incentive award of 46,000 stock options to each Non-Executive Director at the AGM. 
Options awarded annually will usually vest upon the earlier to occur of  the first anniversary of  the 
date of  grant or the date of  the next annual general meeting. 

From  2022,  and  subject  to  shareholder  approval,  our  Directors’  Remuneration  Policy  will  allow 
Non-Executive Directors the provision to elect to receive fees as market value share options with an 
equivalent value calculated as the fair value on the date of  grant. 

Non-Executive Directors will not be eligible to participate in any performance-based incentive plans.  

Each Non-Executive Director will also be entitled to reimbursement of  reasonable expenses and 
reimbursement  of   up  to  $5,000  (2020:  $2,500)  for  tax  preparation  assistance  if   Board  services 
requires a Non-Executive Director to file a tax return in a jurisdiction that the director otherwise would 
not have been required to file.  

On behalf  of  the Board  
Charles Rowland, Jr.  
Chair of  the Compensation Committee  

25 April 2022  

106  Orchard Therapeutics plc 

 
 
 
262883 Orchard Annual Report pp107-pp109.qxp  26/04/2022  19:26  Page 107

ORCHARD THERAPEUTICS PLC 

PARENT COMPANY FINANCIAL STATEMENTS 

FOR THE YEAR ENDED 31 December 2021 

Registered Number: 11494381

Orchard Therapeutics plc  107

 
262883 Orchard Annual Report pp107-pp109.qxp  26/04/2022  19:26  Page 108

Parent Company Balance Sheet 
as at 31 December 2021 

                                                                                                              NOTE                            2021                            2020 
                                                                                                                                                  $’000                           $’000 

FIXED ASSETS 
Investments                                                                                 2                             –                  279,625 
CURRENT ASSETS 
Debtors                                                                                       3                    15,894                    36,528 
Prepaid expenses                                                                       4                      4,540                      3,862 
Short term investments                                                               5                  147,996                  119,414 
Cash and cash equivalents                                                                              35,809                    15,196 
CURRENT LIABILITIES 
Creditors: amounts falling due within one year                           6                     (1,606)                   (5,727) 

NET CURRENT ASSETS                                                                               202,633                  169,273 

TOTAL ASSETS LESS CURRENT LIABILITIES                                           202,633                  448,898 

Creditors: amounts falling due after more than one year           7                   (32,086)                 (20,204) 

NET ASSETS                                                                                                  170,547                  428,694 

CAPITAL AND RESERVES 
Called up share capital                                                               8                    16,243                    12,497 
Share premium account                                                                                  486,382                  339,435 
Share compensation reserve                                                                          143,794                  115,062 
Other comprehensive income                                                                               (137)                          83 
Accumulated losses                                                                                      (475,735)                (38,383) 

TOTAL EQUITY                                                                                              170,547                  428,694 

The above parent company balance sheet should be read in conjunction with the accompanying 
notes. 

The company has elected to take the exemption under section 408 of  the Companies Act of  2006 
from presenting the company statement of  comprehensive income. The company loss for the year 
ended 31 December 2021 was a loss of  $437.4 million (2020: loss of  $801.8 million). 

The parent company financial statements on pages 108-118 were approved by the Board of  Directors 
on 25 April 2022 and were signed on its behalf  by: 

Hubert Gaspar 
Director 
25 April 2022 
Registered number: 11494381 

108  Orchard Therapeutics plc 

 
 
262883 Orchard Annual Report pp107-pp109.qxp  26/04/2022  19:26  Page 109

Parent Company Statement of Changes in Equity 
for the year ended 31 December 2021 

                                                                                                                                                               (Accu- 
                                                                                                                   Share                Other      mulated 
                                                                     Called Up         Share     Compen-           Compre-        losses)/ 
                                                                            Share    Premium          sation             hensive     Retained 
                                               Shares               Capital     Account      Reserve             Income    Earnings             Total 
                                              Number                  $’000          $’000           $’000                 $’000           $’000            $’000 

At 1 January  
2020                         96,923,729            12,321   334,706      74,233                218    763,442  1,184,920 

Issue of  shares  
under employee  
equity plans                1,261,703                 163       3,951               –                    –               –         4,114 
Issuance of  shares  
under license  
agreements                     98,171                   13          778               –                    –               –            791 
Share-based  
compensation                           –                     –               –      40,829                    –               –       40,829 
Unrealized loss  
on marketable  
securities                                  –                     –               –               –               (135)              –           (135) 
Loss for the year                       –                     –               –               –                    –   (801,825)  (801,825) 

Balance at 31  
December 2020       98,283,603            12,497   339,435    115,062                  83     (38,383)    428,694 

Issue of  shares  
under employee  
equity plans                2,024,241                 263       2,650               –                    –               –         2,913 
Issuance of   
shares under  
collaboration  
agreements                1,227,738                 170       3,965               –                    –               –         4,135 
Issuance of   
shares under  
consulting  
agreement                       22,758                     3             (3)              –                    –               –                – 
Issuance of   
shares from  
private placement    24,115,755              3,310   146,690               –                    –               –     150,000 
Issuance costs                         –                     –      (6,355)              –                    –               –        (6,355) 
Share-based  
compensation                           –                     –               –      28,732                    –               –       28,732 
Unrealized loss  
on marketable  
securities                                  –                     –               –               –               (220)              –           (220) 
Loss for the year                       –                     –               –               –                    –   (437,352)  (437,352) 

Balance at 31  
December 2021     125,674,095            16,243   486,382    143,794               (137) (475,735)    170,547 

The above parent company statement of  changes in equity should be read in conjunction with the 
accompanying notes.

Orchard Therapeutics plc  109

 
262883 Orchard Annual Report pp110-pp118.qxp  26/04/2022  19:27  Page 110

Notes to the Parent Company Financial Statements 

1. COMPANY ACCOUNTING POLICIES 
BASIS OF PRESENTATION AND ACCOUNTING PRINCIPLES 
Orchard Therapeutics plc (the “Company”) and its subsidiaries (the “Group” or “Orchard”) is a global 
gene therapy company dedicated to transforming the lives of  people affected by severe diseases 
through the development of  innovative, potentially curative gene therapies. The Group’s ex vivo 
autologous hematopoietic stem cell (“HSC”) gene therapy approach utilizes genetically modified 
blood stem cells and seeks to correct the underlying cause of  disease in a single administration. 
The Group’s gene therapy product candidate pipeline spans multiple therapeutic areas where the 
disease burden on children, families and caregivers is immense and current treatment options are 
limited or do not exist. 

The Company is a public limited company limited by shares, incorporated pursuant to the laws of  
England and Wales. Our registered office is located at 108 Cannon Street, London, EC4N 6EU, United 
Kingdom. Orchard Therapeutics plc was originally incorporated under the laws of  England and Wales 
in August 2018 to become a holding company for Orchard Therapeutics (Europe) Limited. 

The  financial  statements  have  been  prepared  in  accordance  with  United  Kingdom  Generally 
Accepted Accounting Practice (United Kingdom Accounting Standards, comprising FRS 102 “The 
Financial Reporting Standard applicable in the UK and Republic of  Ireland” and applicable law) and 
the Companies Act 2006. The financial statements are prepared under the historical cost convention. 

The Company is included in the Group financial statements of  Orchard Therapeutics plc, which are 
included within this Annual Report. 

The principal accounting policies applied in the preparation of  these financial statements are set out 
below. These policies have been consistently applied to all the years presented, unless otherwise 
stated. The Company has adopted FRS 102 in these financial statements. The Company has taken 
advantage  of   the  following  disclosure  exemptions  in  preparing  these  financial  statements,  as 
permitted by FRS 102: “The Financial Reporting Standard applicable in the UK and Republic of  
Ireland.” 

–

–

–

–

–

the requirements of  Section 7 Statement of  Cash Flows; 

the requirements of  Section 3 Financial Statement Presentation paragraph 3.17(d); 

the requirements of  Section 11 Financial Instruments paragraphs 11.42, 11.44, 11.45, 11.47, 
11.48(a)(iii), 11.48(a)(iv), 11.48(b) and 11.48(c); 

the requirements of  Section 33 Related Party Disclosures paragraph 33.7; 

the requirements of  Section 26 Share-based Payments paragraphs 26.18(b), 26.19-26.21 and 
26.23  

The Company has chosen to adopt Sections 11 and 12 of  FRS 102 in respect of  financial instruments. 

The financial statements and related notes have been prepared and presented in U.S. Dollars. Unless 
otherwise noted, amounts are presented in USD thousands. 

INVESTMENTS 
The investment in the subsidiary arose on the reorganization of  the Group in 2018. The investment is 
recorded at cost less accumulated impairment losses. The cost is based on the Directors’ estimated 
fair value of  Orchard Therapeutics (Europe) Limited having regard to the valuations that were available 
prior to the IPO in November 2018, additions to the investment associated with the value of  share-
based payment charges associated with subsidiary employees, and conversion of  intercompany 
debts to equity investments. Where at the year-end there is evidence of  impairment, the carrying 
value of  the investment is written down to its recoverable amount. 

110  Orchard Therapeutics plc 

 
262883 Orchard Annual Report pp110-pp118.qxp  26/04/2022  19:27  Page 111

Notes to the Parent Company Financial Statements 
continued 

FOREIGN CURRENCY 
Foreign currency transactions are translated into the functional currency using the spot exchange 
rates at the dates of  the transactions. At each period end foreign currency monetary items are 
translated using the closing rate. Non-monetary items measured at historical cost are translated using 
the exchange rate at the date of  the transaction and non-monetary items measured at fair value are 
measured using the exchange rate when fair value was determined. 

GOING CONCERN 
The  financial  statements  have  been  prepared  on  a  going  concern  basis.  The  Directors  have 
considered the appropriateness of  the going concern basis in the UK Statutory Directors’ Report. In 
addition,  the  Parent  Company  acknowledges  its  responsibility  to  support  its  subsidiaries’  cash 
outflows for the foreseeable future. At 31 December 2021 the Group held cash, cash equivalents, 
and marketable securities of  $220.1 million, and the Company held cash, cash equivalents, and 
marketable securities of  $183.8 million. The Directors have prepared a forecast through the end of  
2023 and expect that cash, cash equivalents, and marketable securities on hand as of  31 December 
2021, will be sufficient to fund operations and capital expenditure requirements for at least 12 months 
from the issuance of  these financial statements. The Directors have considered the effect of  the 
COVID-19 pandemic on our forecast, and have determined it does not have an effect on our ability 
to operate as a going concern for at least 12 months from the issuance of  these financial statements. 
Therefore,  the  Directors  have  at  the  time  of   approving  the  financial  statements,  a  reasonable 
expectation  that  the  Group  and  Company  have  adequate  resources  to  continue  in  operational 
existence for the foreseeable future and for a period of  at least 12 months from the date of  signing 
these  financial  statements.  Accordingly,  the  Group  and  Company  continues  to  adopt  the  going 
concern basis of  accounting in preparing these financial statements. 

SHARE-BASED PAYMENTS 
The financial effect of  awards by the Parent Company of  options and other equity-based awards 
over its equity shares to the employees of  subsidiary undertakings are recognized by the Parent 
Company in its individual financial statements. In particular, the Parent Company records a capital 
contribution to the subsidiary with a corresponding credit to the share compensation reserve. The 
expense associated with the equity-based awards is recognized in profit and loss for the subsidiary 
undertaking  on  a  straight-line  basis,  and  a  corresponding  capital  contribution  from  the  Parent 
Company in the subsidiary’s equity. The expense associated with equity-based awards to our Non-
executive Directors is recognized in profit and loss for the Parent Company. 

The  Parent  Company  recognizes  the  capital  contribution  associated  with  the  share-based 
compensation expense for awards granted to employees a straight-line basis over the requisite 
service period. The fair value of  each share option is estimated on the grant date using the Black 
Scholes option pricing model. 

CASH AND CASH EQUIVALENTS 
Cash and cash equivalents include cash in hand, deposits held at call with banks, and other short- 
term highly liquid investments with original maturities of  three months or less. 

DEBTORS 
Debtors are amounts due from other group companies for services performed in the ordinary course 
of  business, and prepayments where consideration has been paid for a service at a point in time but 
the  service  is  received  over  a  period  of   time.  Debtors  are  recognised  initially  at  fair  value  and 
subsequently measured at amortised cost using the effective interest method, less provision for 
impairment.

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Notes to the Parent Company Financial Statements 
continued

SHORT TERM INVESTMENTS 
Short term investments consist of  debt securities with original maturities of  greater than ninety days. 
The Company has classified its investments with maturities beyond one year as short term, based 
on their highly liquid nature and because such marketable securities represent the investment of  
cash that is available for current operations. These investments are recorded at fair value, which is 
based on quoted market prices or other observable inputs. Unrealized gains and losses are recorded 
as a component of  other comprehensive income/(loss). Realized gains and losses are determined 
on a specific identification basis and are included in other income/(loss). Amortization and accretion 
of  discounts and premiums is also recorded in other income/(loss). 

CREDITORS – AMOUNTS FALLING DUE WITHIN ONE YEAR 
Trade creditors are obligations to pay for goods or services that have been acquired in the ordinary 
course  of   business  from  suppliers.  Trade  creditors  are  recognised  initially  at  fair  value  and 
subsequently measured at amortised cost using the effective interest method. 

CREDITORS – AMOUNTS FALLING DUE AFTER MORE THAN ONE YEAR 
Creditors for amounts falling due after more than one year are notes payable, which are carried at 
amortised  cost,  using  the  effective  interest  method.  Issuance  costs  paid  to  establish  our  notes 
payable are recognized as on offset to the associated notes payable and amortised as interest 
expense over the term of  the loan. To the extent that portions of  our term loan facility are not drawn 
down, the issuance costs are deferred until the draw-down occurs. 

SHARE CAPITAL 
Ordinary shares are classified as equity. Incremental costs directly attributable to the issuance of  
share capital are shown as a deduction to equity, net of  tax. 

CRITICAL ACCOUNTING ESTIMATES AND JUDGMENTS 
The preparation of  financial statements in conformity with FRS102 requires the use of  accounting 
estimates and assumptions that affect the reported amounts of  assets and liabilities at the date of  
the financial statements. Although these estimates are based on management’s best knowledge of  
current events and actions, actual results ultimately may differ from those estimates. FRS102 requires 
management to exercise judgment in the process of  applying the accounting policies. 

Investment in, and receivable from, subsidiary 
Management perform an annual impairment assessment of  the investment held in, and receivable 
due from, Orchard Therapeutics (Europe) Limited by the Company. The valuation of  the subsidiary 
is derived from publicly available information, being the market capitalisation of  the Group, at the 
year end date, given that the future value of  the Group is expected to be generated from the products 
and treatments which are being developed by the subsidiary companies. On the balance sheet date, 
where  the  market  capitalisation  of   the  Group  as  a  whole  falls  below  the  carrying  value  of   the 
investment, management will perform a fair value less cost to sell calculation and then consider 
whether  an  impairment  of   the  investment  is  required,  and  if   so,  will  write  down  the  cost  of   the 
investment to its recoverable amount, with an associated impairment charge recognised in the Parent 
Company profit and loss account. In the event the Group’s market capitalisation increases and the 
reasons for any impairment loss have ceased to apply, an impairment loss may be reversed in a 
subsequent period in the Parent Company profit and loss account, to the extent the carrying value 
would have been determined had no impairment loss been recognized for the investment in prior 
years. In 2021 an impairment of  $305.9 million and $121.2 million have been recognised against the 
investment in subsidiary and receivable from subsidiary respectively. 

112  Orchard Therapeutics plc 

 
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Notes to the Parent Company Financial Statements 
continued 

INVESTMENTS 

2.
                                                                                                                                                     Subsidiary undertakings 
                                                                                                                                                                                     ($000) 

As at 1 January 2021                                                                                                                   279,625 

Share-based payments associated with subsidiary employees                                                     26,323 

Provision for impairment                                                                                                              (305,948) 

As at 31 December 2021                                                                                                                        – 

                                                                                                                                                     Subsidiary undertakings 
                                                                                                                                                                                     ($000) 

Cost and net book value                                                                                                          1,098,793 

Accumulated provision for impairment                                                                                     (1,098,793) 

As at 31 December 2021                                                                                                                        – 

Share-based payment cost of  $26.3 million in 2021 was recorded as a capital contribution from 
Orchard Therapeutics plc to Orchard Therapeutics (Europe) Limited and subsidiaries, as a capital 
injection in the Company’s Balance Sheet. 

As the market capitlisation of  the Group declined further in 2021 the Parent Company performed an 
impairment analysis on a fair value less cost to sell basis, whereby the Parent Company used the 
market capitalisation of  the Group as the approximate fair value and the cost to sell and control 
premium were deemed to be negligible. The carrying value of  the investment exceeded the fair value 
less cost to sell of  the investment as at 31 December 2021, and the Parent Company concluded that 
the investment was impaired by $305.9 million (2020: $792.8 million). If  the market capitalisation of  
the Group increases subsequent to the year end, then all or a portion of  this impairment charge 
could be reversed in future years to reflect any improvement in the underlying business of  the Group. 

SUBSIDIARY UNDERTAKINGS 
                                                                                  Class of                Proportion 
Name of  undertaking                                              shareholding                  held       Nature of  business 

Orchard Therapeutics (Europe) Limited       Ordinary                100%*      Research and development 

Orchard Therapeutics North America           Ordinary                  100%      Research and development 

Orchard Therapeutics (Netherlands) B.V.     Ordinary                  100%      Selling, general, and 

administrative 

Orchard Therapeutics (France) SAS             Ordinary                  100%      Selling, general, and 

administrative 

Orchard Therapeutics (Italy) S.r.l                   Ordinary                  100%      Selling, general, and 

administrative 

Orchard Therapeutics (Germany) GmbH     Ordinary                  100%      Selling, general, and 

administrative 

Orchard Therapeutics (Switzerland)             Ordinary                  100%      Selling, general, and  
GmbH                                                                                                           administrative 

*Held directly by Orchard Therapeutics plc 

Orchard Therapeutics plc  113

 
 
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Notes to the Parent Company Financial Statements 
continued

Orchard Therapeutics North America and Orchard Therapeutics (Netherlands) B.V. are subsidiary 
undertakings  of   Orchard  Therapeutics  (Europe)  Limited.  Orchard  Therapeutics  (France)  SAS, 
Orchard Therapeutics (Italy) S.r.l., Orchard Therapeutics (Germany) GmbH and Orchard Therapeutics 
(Switzerland) GmbH are subsidiary undertakings of  Orchard Therapeutics (Netherlands) B.V.. The 
following table outlines the country of  incorporation and registered office of  each of  the subsidiary 
undertakings: 
                                                                                  Country of   
Name of  undertaking                                              incorporation             Registered office 

Orchard Therapeutics (Europe) Limited       United Kingdom     108 Cannon Street, London, EC4N 6EU, 
                                                                                                    United Kingdom 
Orchard Therapeutics North America           United States         101 Seaport Blvd., Boston, MA 02210, 
                                                                                                    United States 
Orchard Therapeutics (Netherlands) B.V.     Netherlands           Basisweg 10, 1043 AP, Amsterdam, 
                                                                                                    Netherlands 
Orchard Therapeutics (France) SAS             France                    23 rue du Roule 75001, Paris, France 
Orchard Therapeutics (Italy) S.r.l                   Italy                        Largo Guido, Donegani 2 Cap 20121, 

Orchard Therapeutics (Germany) GmbH     Germany                TRIBES Dusseldorf  GAP, 

Milano (MI), Italy 

Graf-Adolf-Platz 15, 40213 Dusseldorf, 
Germany 

Orchard Therapeutics (Switzerland)             Switzerland            KD Zug-Treuhand AG 
GmbH                                                                                          Untermüli 7 6300 Zug 

3. DEBTORS 
                                                                                                                                                   2021                            2020 
                                                                                                                                                   $000                            $000 

Amounts owed by subsidiary undertakings                                                     14,957                    35,415 
Other receivables                                                                                                  937                      1,113 

                                                                                                                                              15,894                    36,528 

Amounts  owed  by  subsidiary  undertakings  are  unsecured,  interest  free,  have  no  fixed  date  of  
repayment and are repayable on demand. 

The Company has an unrecognised deferred tax asset of  $5.9 million at 31 December 2021 (2020: 
$1.9 million). 

4. PREPAID EXPENSES 
                                                                                                                                                   2021                            2020 
                                                                                                                                                   $000                            $000 

Deferred financing costs                                                                                       693                         975 
Prepaid expenses                                                                                               3,847                      2,887 

                                                                                                                           4,540                      3,862 

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Notes to the Parent Company Financial Statements 
continued 

5. SHORT TERM INVESTMENTS 
                                                                                                                                                   2021                            2020 
                                                                                                                                                   $000                            $000 

Commercial Paper                                                                                            64,406                    35,462 
Corporate Bonds                                                                                              83,590                    83,952 

                                                                                                                       147,996                  119,414 

Investments in commercial paper have fixed coupon rates at 0.1–0.3% (2020: 0.08–0.32%) and 
mature between 1 January 2022 and 30 November 2022 (2020: 1 January 2021 and 31 October 
2021).  

Investments in corporate bonds have fixed coupon rates at 0.2–3.2% (2020: 0.1–4.5%) and mature 
between 1 January 2022 and 31 October 2023 (2020: 1 January 2021 and 31 July 2022).  

6. CREDITORS: amounts falling due within one year 
                                                                                                                                                   2021                            2020 
                                                                                                                                                   $000                            $000 

Bank loans and overdrafts                                                                                     786                      4,861 
Trade creditors                                                                                                      308                         270 
Accruals                                                                                                                512                         596 

                                                                                                                           1,606                      5,727 

7. CREDITORS: amounts falling due after more than one year 
In May 2019, as amended in April 2020, the Company entered into a senior term facilities agreement 
(the “Credit Facility”) with MidCap Financial (Ireland) Limited (“MidCap Financial”), as agent, and 
additional lenders from time to time (together with MidCap Financial, the “Lenders”), to borrow up to 
$75.0 million in term loans. 

In May 2021, the Company amended and restated the Original Credit Facility (the “Amended Credit 
Facility”). Under the Amended Credit Facility, the Lenders agreed to make term loans available to 
the Company in the aggregate amount of  $100.0 million, including increasing the principal on the 
initial term loan to $33.0 million, from $25.0 million. To date, the Company has borrowed $33.0 million 
under the amended initial term loan. The remaining $67.0 million under the Amended Credit Facility 
may be drawn down in the form of  a second and third term loan, the second term loan being a $33.0 
million term loan available no earlier than July 1, 2022 and no later than July 1, 2023 upon certain 
regulatory approvals and evidence of  the Company having $100 million in cash and cash equivalent 
investments; and the third term loan being a $34.0 million term loan available no earlier than July 1, 
2023 and no later than July 1, 2024 upon evidence of  the Company having $100 million in cash and 
cash equivalent investments and attaining a pre-specified trailing 12-month revenue target. 

Prior to execution of  the Amended Credit Facility, each term loan under the Original Credit Facility 
bore interest at an annual rate equal to 6.0% plus LIBOR. The Company was required to make 
interest-only payments on the term loan for all payment dates prior to 24 months following the date 
of  the Original Credit Facility, unless the third tranche was drawn, in which case for all payment dates 
prior  to  36  months  following  the  date  of   the  Original  Credit  Facility.  The  term  loans  prior  to  the 
Amended Credit Facility were to begin amortizing on either the 24-month or the 36-month anniversary 
of  the Original Credit Facility (as applicable), with equal monthly payments of  principal plus interest 
to be made by the Borrower to the Lenders in consecutive monthly instalments until the loan maturity 

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Notes to the Parent Company Financial Statements 
continued

date. In addition, a final payment of  4.5% was due on the loan maturity date. The Company accrued 
the final payment amount of  $1.1 million associated with the first term loan of  the Original Credit 
Facility, to outstanding debt by charges to interest expense using the effective-interest method from 
the  date  of   issuance  through  the  date  of   the  Amended  Credit  Facility.  Upon  execution  of   the 
Amended  Credit  Facility,  the  Company  was  required  to  make  a  payment  of   $0.5  million  for  the 
accrued final payment associated with the Original Credit Facility, which was netted against proceeds 
from the additional initial term loan. 

Each term loan under the Amended Credit Facility bears interest at an annual rate equal to 5.95% 
plus LIBOR. The Company is required to make interest-only payments on the term loan for 18 months 
following the date of  the Amended Credit Facility, unless the Company is eligible for the second 
tranche, in which case the Company may elect to make interest-only payments for 30 months following 
the date of  the Amended Credit Facility. The term loans under the Amended Credit Facility begin 
amortizing on either the 18-month or the 30-month anniversary of  the Amended Credit Facility (as 
applicable), with equal monthly payments of  principal plus interest to be made by the Company to 
the  Lenders  in  consecutive  monthly  instalments  until  the  loan  maturity  date.  In  addition,  a  final 
payment of  3.5% is due on the loan maturity date. The Company is accruing the final payment amount 
of  $1.2 million associated with the first term loan of  the Amended Credit Facility, to outstanding debt 
by charges to interest expense using the effective-interest method from the date of  issuance through 
the loan maturity date. 

The Amended Credit Facility includes affirmative and negative covenants. The affirmative covenants 
include,  among  others,  covenants  requiring  the  Company  to  maintain  their  legal  existence  and 
governmental approvals, deliver certain financial reports, maintain insurance coverage, maintain 
property, pay taxes, satisfy certain requirements regarding accounts and comply with laws and 
regulations. The negative covenants include, among others, restrictions on the Company transferring 
collateral, incurring additional indebtedness, engaging in mergers or acquisitions, paying dividends 
or making other distributions, making investments, creating liens, amending material agreements and 
organizational documents, selling assets, changing the nature of  the business and undergoing a 
change in control, in some cases subject to certain exceptions. The Company is also subject to an 
ongoing minimum cash financial covenant in which the Company must maintain unrestricted cash in 
an amount not less than $20.0 million following the utilization of  the second term loan and not less 
than $35.0 million following the utilization of  the third term loan. 

As of  31 December 2021 and 2020, bank loans consist of  the following: 

                                                                                                                                                   2021                            2020 
                                                                                                                                                   $000                            $000 

Notes payable, net of  unamortized debt issuance costs                                 32,669                    24,659 
Less: current portion                                                                                            (786)                  (4,861) 

Notes payable, net of  current portion                                                          31,883                    19,798 
Accretion related to final payment                                                                         203                         406 

Bank loans and overdrafts, long term                                                          32,086                    20,204 

116  Orchard Therapeutics plc 

 
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Notes to the Parent Company Financial Statements 
continued 

As of  31 December 2021, estimated future principal payments due are as follows: 

                                                                                                                                                                              Aggregate  
                                                                                                                                                                                Minimum  
                                                                                                                                                                               Payments 
                                                                                                                                                                                       $000 

2022                                                                                                                                                           786 
2023                                                                                                                                                        9,429 
2024                                                                                                                                                        9,429 
2025                                                                                                                                                        9,429 
2026                                                                                                                                                        5,082 
Thereafter                                                                                                                                                       – 

Total payments                                                                                                                                    34,155 
Less: current portion                                                                                                                                (786) 
Less: unamortized portion of  final payment                                                                                            (952) 
Less: unamortized debt issuance costs                                                                                                  (331) 

Bank loans and overdrafts, long term                                                                                              32,086 

Interest expense for the year ended 31 December 2021 was $2.5 million (2020: $2.3 million). 

8. CALLED UP SHARE CAPITAL 
                                                                                                                                                   2021                            2020 
                                                                                                                                                   $000                            $000 

Ordinary shares alloted and fully paid, £0.10 par value, authority 
to allot up to a maximum nominal value of  £13,023,851.50 shares                 16,243                    12,497 

                                                                                                                         16,243                    12,497 

As  of   31  December  2021  and  2020,  the  Company  had  authority  to  allot  ordinary  shares  up  to  a 
maximum nominal value of  £13,023,851.50 with a nominal value of  £0.10 per share. As of  31 December 
2021 and 2020, there were 125,674,095 and 98,283,603 ordinary shares issued and outstanding, 
respectively. As of  31 December 2021 and 2020, there were a total of  17,300,740 and 13,895,643 share 
options in respect of  ordinary shares outstanding, respectively. In addition, as of  31 December 2021 
and 2020, there were 318,333 and 644,000 unvested restricted share units outstanding in respect of  
ordinary shares outstanding, respectively. 

In February 2021, the Company issued and sold (i) 20,900,321 ordinary shares, nominal value £0.10 
per share, at a purchase price of  $6.22 per share (the “Purchase Price”), which was the closing sale 
price of  the Company’s ADSs on the Nasdaq Global Select Market on February 4, 2021, and (ii) 
3,215,434 non-voting ordinary shares, nominal value £0.10 per share, at the Purchase Price (together 
(i) and (ii) the “Private Placement”). The Private Placement resulted in net proceeds to the Company of  
$143.6 million after deducting placement agent fees of  $6.0 million and other issuance costs of  $0.4 
million. The ordinary shares and non-voting ordinary shares were sold pursuant to a securities purchase 
agreement entered into between the Company and the purchasers named therein on February 4, 2021. 
All non-voting ordinary shares have been converted to ordinary shares as of  December 31, 2021. 

In  July  2021  the  Company  issued  1,227,738  ordinary  shares  to  Pharming  Group  N.V.  for  total 
consideration of  $7.5 million. The consideration is payment for the fair value of  ordinary shares with a 
fair value of  $4.1 million plus a $3.4 million premium on the fair value of  the Company’s ordinary shares, 
which was allocated to the license and collaboration agreement. 

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Notes to the Parent Company Financial Statements 
continued

In December 2021, the Company issued 22,758 ordinary shares pursuant to a consulting agreement 
with a non-employee advisor. 

During the year ended 31 December 2021, the Company issued 1,727,254 shares as a result of  share 
option exercises, and 296,987 shares from our employee share purchase plan. 

As of  31 December 2021 and 2020, each holder of  ordinary shares is entitled to one vote per ordinary 
share and to receive dividends when and if such dividends are recommended by the board of directors 
and declared by the shareholders. As of  31 December 2021, the Company has not declared any 
dividends (2020: $nil). 

Share premium represents the excess paid for the issuance of  ordinary shares, over and above their 
nominal value. 

The share based compensation reserve exists due to the share options issued by the company to its 
employees within the Group. 

9. RELATED PARTY TRANSACTIONS 
These are disclosed as part of  note 20 in the consolidated financial statements. The Company has 
taken advantage of  the exemption, under FRS 102 ‘The Financial Reporting Standard applicable in the 
UK and Republic of  Ireland’, not to disclose related party transactions with other companies that are 
wholly owned within the Group. 

10. ULTIMATE PARENT UNDERTAKING AND CONTROLLING 
PARTY 
There is no ultimate parent undertaking or controlling party of  the Company as ownership is split 
between the Company’s shareholders. 

11. SUBSEQUENT EVENTS 
On 30 March 2022, the Company announced a proposed reduction of  its workforce of  approximately 
30%, subject to a consultation process with certain employees in the United Kingdom. The Company 
estimates that it will incur aggregate charges of  approximately $2.5 million in the first and second 
quarters  of   2022  as  a  result  of   the  restructuring,  consisting  of   one-time  cash  expenditures  for 
severance and employee termination-related costs. The Company also announced that it would 
discontinue its investment in and seek alternatives for OTL-102 for treatment of  X-CGD, OTL-103 for 
treatment of  WAS and Strimvelis.

118  Orchard Therapeutics plc 

 
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ORCHARD THERAPEUTICS PLC 

CONSOLIDATED FINANCIAL STATEMENTS 

FOR THE YEAR ENDED 31 December 2021 

Registered Number: 11494381

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Orchard Therapeutics plc
Consolidated Balance Sheets
(In thousands, except share and per share amounts)

Assets
Current assets:

Cash and cash equivalents
Marketable securities
Accounts receivable
Prepaid expenses and other current assets
Research and development tax credit receivable

Total current assets

Non-current assets:

Operating lease right-of-use-assets
Property and equipment, net
Restricted cash
Intangible assets, net
Other assets

Total non-current assets

Total assets
Liabilities and shareholders’ equity
Current liabilities:

Accounts payable
Accrued expenses and other current liabilities
Deferred revenue
Operating lease liabilities
Notes payable, current

Total current liabilities

Notes payable, long-term
Deferred revenue, net of current portion
Operating lease liabilities, net of current portion
Other long-term liabilities

Total liabilities

Commitments and contingencies (Note 18)
Shareholders’ equity:

Ordinary shares, £0.10 par value, authority to allot up to a maximum nominal

value of £13,023,851.50 of shares at December 31, 2021 and
2020, respectively; 125,674,095 and 98,283,603 shares issued and outstanding
at December 31, 2021 and 2020, respectively.

Additional paid-in capital
Accumulated other comprehensive income
Accumulated deficit

Total shareholders’ equity
Total liabilities and shareholders’ equity

December 31,

2021

2020

$

$

$

55,912
164,195
1,480
23,011
30,723
275,321

24,316
4,767
4,266
4,149
9,590
47,088
322,409

10,008
24,318
346
7,335
786
42,793
32,086
12,519
19,278
5,783
112,459

55,135
136,813
878
13,365
17,344
223,535

29,815
4,781
4,266
3,076
15,464
57,402
280,937

8,823
28,943
—
8,934
4,861
51,561
20,204
—
24,168
6,570
102,503

16,253
940,675
3,246
(750,224)
209,950
322,409

$

12,507
771,194
373
(605,640)
178,434
280,937

$

$

$

$

The accompanying notes are an integral part of these consolidated financial statements.

F-1

120  Orchard Therapeutics plc 

 
 
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Orchard Therapeutics plc
Consolidated Statements of Operations and Comprehensive Loss
(In thousands, except share and per share amounts)

Product sales, net
Collaboration revenue
Total revenues
Costs and operating expenses
Cost of product sales
Research and development
Selling, general and administrative

Total costs and operating expenses

Loss from operations
Other (expense) income:
Interest income
Interest expense
Other (expense) income, net

Total other (expense) income, net

Net loss before income tax

Income tax (expense) benefit

Net loss attributable to ordinary shareholders
Net loss per share attributable to ordinary shareholders, basic and

diluted

Weighted average number of ordinary shares outstanding, basic and

diluted

Other comprehensive income (loss)

Foreign currency translation adjustment
Unrealized loss on marketable debt securities
Total other comprehensive income (loss)

Total comprehensive loss

For the Year Ended December 31,

2021

2020

$

700
975
1,675

226
86,977
54,905
142,108
(140,433)

412
(2,497)
(1,238)
(3,323)
(143,756)
(828)
(144,584) $

2,595
—
2,595

857
93,730
64,986
159,573
(156,978)

3,185
(2,328)
3,411
4,268
(152,710)
731
(151,979)

(1.17) $

(1.53)

123,963,762

99,445,874

3,124
(251)
2,873
(141,711) $

(1,485)
(184)
(1,669)
(153,648)

$

$

$

$

The accompanying notes are an integral part of these consolidated financial statements.

F-2

Orchard Therapeutics plc  121

 
262883 Orchard Annual Report pp119-end.qxp  26/04/2022  19:27  Page 122

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122  Orchard Therapeutics plc 

3
-
F

 
 
262883 Orchard Annual Report pp119-end.qxp  26/04/2022  19:27  Page 123

Orchard Therapeutics plc
Consolidated Statements of Cash Flows
(In thousands)

Cash flows from operating activities
Net loss attributable to ordinary shareholders
Adjustments to reconcile net loss to net cash used in operating activities:

Depreciation and amortization
Share-based compensation
Impairment of long-lived assets
Non-cash interest expense
Amortization of provision on loss contract
Non-cash consideration for licenses and milestones
Deferred income taxes
Amortization of premium on marketable securities
Unrealized foreign currency and other non-cash adjustments

Changes in operating assets and liabilities:

Accounts receivable
Research and development tax credit receivable
Prepaid expenses, other current assets, and other assets
Operating leases, right-of-use-assets
Accounts payable, accrued expenses, and other current liabilities
Deferred revenue
Other long-term liabilities
Operating lease liabilities
Net cash used in operating activities

Cash flows from investing activities
Proceeds from sales and maturities of marketable securities
Purchases of marketable securities
Payment of construction deposit
Receipt of funds from construction deposit
Payments on intangible assets
Purchases of property and equipment

Net cash (used in) provided by investing activities

Cash flows from financing activities
Proceeds from modification of credit facility, net of debt issuance costs paid
Proceeds from employee equity plans
Payment of taxes on restricted stock vesting
Proceeds from issuance of shares as part of collaboration agreement
Proceeds from the issuance of ordinary shares in private placement
Payment of placement agent fees and offering costs

Net cash provided by financing activities

Effect of exchange rate changes on cash

Net increase in cash, cash equivalents and restricted cash
Cash, cash equivalents, and restricted cash —beginning of year
Cash, cash equivalents, and restricted cash —end of year
Supplemental disclosure of non-cash investing and financing

activities

Intangible assets and property and equipment in accounts payable and accrued expenses
Shares issued in consideration of license agreements
Employee equity plan proceeds received after year-end
Supplemental disclosure of cash flow information
Lease assets obtained in exchange for new operating lease liabilities
Cash paid for interest
Cash paid for taxes

Year Ended December 31,

2021

2020

$

(144,584)

$

(151,979)

2,327
22,536
—
392
(1,037)
—
1,131
1,514
9,687

(624)
(13,920)
(5,209)
5,938
(9,452)
13,122
34
(6,952)
(125,097)

234,732
(263,878)
—
216
(887)
(2,348)
(32,165)

7,375
3,303
(392)
4,135
150,000
(6,355)
158,066
(27)
777
59,401
60,178

2,589
—
—

552
2,103
1,651

$

$

$

$

$

2,004
27,962
5,650
500
(2,413)
791
(2,257)
770
(3,674)

582
11,674
(5,070)
5,863
(12,278)
—
2,570
(6,969)
(126,274)

281,433
(113,262)
(10,000)
1,876
—
(2,668)
157,379

—
3,936
—
—
—
—
3,936
1,043
36,084
23,317
59,401

3,096
791
200

17,486
1,828
1,007

$

$

$

$

$

The accompanying notes are an integral part of these consolidated financial statements.

F-4

Orchard Therapeutics plc  123

 
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Orchard Therapeutics plc

Notes to Consolidated Financial Statements

1. Nature of Business and Basis of Presentation

Orchard Therapeutics plc (the “Company”) is a global gene therapy company dedicated to transforming the lives of people
affected by severe diseases through the development of innovative, potentially curative gene therapies. The Company’s ex
vivo autologous hematopoietic stem cell (“HSC”) gene therapy approach utilizes genetically modified blood stem cells and
seeks to correct the underlying cause of disease in a single administration. The Company’s gene therapy product candidate
pipeline spans multiple therapeutic areas where the disease burden on children, families and caregivers is immense and
current treatment options are limited or do not exist.

The Company is a public limited company incorporated pursuant to the laws of England and Wales. The Company has
American Depositary Shares (“ADSs”) registered with the U.S. Securities and Exchange Commission (the “SEC”) and has
been listed on the Nasdaq Global Select Market since October 31, 2018. The Company’s ADSs each represent one ordinary
share of the Company.

In December 2020, the Company received standard marketing authorization from the European Commission for Libmeldy™
(atidarsagene autotemcel), for the treatment of early onset metachromatic leukodystrophy (“MLD”), characterized by biallelic
mutations in the arylsulfatase-A (ARSA) gene leading to a reduction of the ARSA enzymatic activity in children with (i) late
infantile or early juvenile forms, without clinical manifestations of the disease, or (ii) the early juvenile form, with early
clinical manifestations of the disease, who still have the ability to walk independently and before the onset of cognitive
decline.

On February 9, 2021, the Company issued and sold (i) 20,900,321 ordinary shares, nominal value £0.10 per share, at a
purchase price of $6.22 per share (the “Purchase Price”), which was the closing sale price of the Company’s ADSs on the
Nasdaq Global Select Market on February 4, 2021, and (ii) 3,215,434 non-voting ordinary shares, nominal value £0.10 per
share, at the Purchase Price (together (i) and (ii) the “Private Placement”). The Private Placement resulted in net proceeds to
the Company of $143.6 million after deducting placement agent fees of $6.0 million and other issuance costs of $0.4 million.
The ordinary shares and non-voting ordinary shares were sold pursuant to a securities purchase agreement entered into
between the Company and the purchasers named therein on February 4, 2021. At December 31, 2021, all outstanding non-
voting shares have been converted to voting ordinary shares.

The Company’s business is subject to risks and uncertainties common to development-stage companies in the biotechnology
industry. There can be no assurance that the Company’s research and development will be successfully completed, that
adequate protection for the Company’s technology will be obtained, that any products developed will obtain necessary
government regulatory approval or that any products, if approved, will be commercially viable. The Company operates in an
environment of rapid technological innovation and substantial competition from pharmaceutical and biotechnology
companies. In addition, the Company is dependent upon the services of its employees, consultants and service providers.
Even if the Company’s product development efforts are successful in gaining regulatory approval, it is uncertain when, if
ever, the Company will realize significant revenue from product sales. The future developments of the COVID-19 pandemic
may also directly or indirectly impact the Company’s business, including impacts due to quarantines, border closures,
increased border controls, travel restrictions, shelter-in-place orders and shutdowns, business closures, cancellations of public
gatherings and other measures.

The accompanying consolidated financial statements have been prepared on the basis of continuity of operations, realization
of assets and the satisfaction of liabilities and commitments in the ordinary course of business. Through December 31, 2021,
the Company funded its operations primarily with proceeds from the sale of convertible preferred shares, and ADSs in the
IPO and follow-on offering. The Company has incurred recurring losses since its inception, including net losses of $144.6
million and $152.0 million for the years ended December 31, 2021 and 2020, respectively. As of December 31, 2021, the
Company had an accumulated deficit of $750.2 million. The Company expects to continue to generate operating losses for
the foreseeable future. The Company expects that its cash, cash equivalents, and marketable securities on hand as of
December 31, 2021 of $220.1 million will be sufficient to fund its operations and capital expenditure requirements for at least
the next twelve months. The Company will seek additional funding through private or public equity financings, debt
financings, collaborations, strategic alliances and marketing, distribution or licensing arrangements. The Company may not
be able to obtain financing on acceptable terms, or at all, and the Company may not be able to enter into collaborations or
other arrangements. The terms of any financing may adversely affect the holdings or the rights of the Company's
stockholders. The future viability of the Company is dependent on its ability to raise additional capital to finance its

F-5

124  Orchard Therapeutics plc 

 
 
262883 Orchard Annual Report pp119-end.qxp  26/04/2022  19:27  Page 125

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

Basis of presentation

The accompanying consolidated financial statements have been prepared in accordance with accounting principles generally
accepted in the United States of America (“U.S. GAAP”) and include the accounts of the Company and its wholly owned
subsidiaries, after elimination of all intercompany accounts and transactions.

Amounts reported are based in thousands, except percentages, per share amounts or as otherwise noted. As a result, certain
totals may not sum due to rounding.

2. Summary of Significant Accounting Policies

Principles of consolidation

The accompanying consolidated financial statements include the accounts of the Company and its wholly owned subsidiaries.
All intercompany balances and transactions have been eliminated in consolidation.

Use of estimates

The preparation of consolidated financial statements in conformity with U.S. GAAP requires management to make estimates
and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at
the date of the consolidated financial statements and the reported amounts of revenue and expenses during the reporting
periods. Significant estimates and assumptions reflected in these consolidated financial statements include, but are not limited
to, the accrual for research and development expenses, the research and development tax credit receivable, share-based
compensation, collaboration agreement milestones, operating lease assets and liabilities, and income taxes. Estimates are
periodically reviewed in light of changes in circumstances, facts and experience. Actual results could differ from the
Company’s estimates.

Concentration of credit risk

The Company has no significant off-balance sheet risk, such as foreign currency contracts, options contracts, or other foreign
hedging arrangements. Financial instruments that potentially expose the Company to concentrations of credit risk consist
primarily of cash, cash equivalents, marketable securities, and receivables. The Company maintains deposits in accredited
financial institutions in excess of federally insured limits. The Company deposits its cash in financial institutions that it
believes have high credit quality and has not experienced any losses on such accounts and does not believe it is exposed to
any unusual credit risk beyond the normal credit risk associated with commercial banking relationships or entities for which
it has a receivable.

Foreign currency

The financial statements of the Company’s subsidiaries with functional currencies other than the U.S. Dollar are translated
into U.S. Dollars using period-end exchange rates for assets and liabilities, historical exchange rates for shareholders’ equity
and weighted average exchange rates for operating results. Translation gains and losses are included in accumulated other
comprehensive income (loss) in shareholders’ equity. Foreign currency transaction gains and losses are included in other
income (expense), net in the results of operations. The Company recorded realized and unrealized foreign currency
transaction losses of $1.2 million, and gains of $3.4 million for the years ended December 31, 2021, and 2020, respectively,
which is included in other income (expense) in the statements of operations and comprehensive loss.

F-6

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262883 Orchard Annual Report pp119-end.qxp  26/04/2022  19:27  Page 126

Segment information

The Company operates in a single segment, focusing on researching, developing and commercializing potentially curative
gene therapies. Consistent with its operational structure, its chief operating decision maker manages and allocates resources
at a global, consolidated level. Therefore, results of the Company's operations are reported on a consolidated basis for
purposes of segment reporting. All material long-lived assets of the Company reside in the United States or United
Kingdom. The Company had property and equipment of $3.6 million and $1.2 million located in the United Kingdom and
United States, respectively, as of December 31, 2021. The Company had property and equipment of $3.7 million and $1.1
million located in the United Kingdom and United States, respectively, as of December 31, 2020. The Company had right-of-
use assets in the United States and United Kingdom and European Union of $12.5 million and $11.8 million, respectively, as
of December 31, 2021. The Company had right-of-use assets in the United States and United Kingdom and European Union
of $14.2 million and $15.6 million, respectively, as of December 31, 2020.

Cash equivalents

The Company considers all highly liquid investments purchased with original maturities of 90 days or less at the date of
acquisition to be cash equivalents.

Marketable securities

Marketable securities consist of investments with original maturities greater than ninety days at the date of acquisition. The
Company has classified its investments with maturities beyond one year as short term, based on their highly liquid nature and
because such marketable securities represent the investment of cash that is available for current operations. The Company
considers its investment portfolio of investments as available-for-sale. Accordingly, these investments are recorded at fair
value, which is based on quoted market prices or other observable inputs. Unrealized gains and losses are recorded as a
component of other comprehensive income (loss). Realized gains and losses are determined on a specific identification basis
and are included in other income (loss). Amortization and accretion of discounts and premiums is also recorded in other
income (loss).

When the fair value is below the amortized cost of the asset an estimate of expected credit losses is made, the estimate is
limited to the amount by which fair value is less than amortized cost. The credit-related impairment amount is recognized in
the consolidated statements of operations; the remaining impairment amount and unrealized gains are reported as a
component of accumulated other comprehensive income (loss) in shareholders’ equity. Credit losses are recognized through
the use of an allowance for credit losses account and subsequent improvements in expected credit losses are recognized as a
reversal of the allowance account. If the Company has the intent to sell the security or it is more likely than not that the
Company will be required to sell the security prior to recovery of its amortized cost basis the allowance for credit loss is
written off and the excess of the amortized cost basis of the asset over its fair value is recorded in the consolidated statements
of operation.

Restricted cash and construction deposits

Cash and cash equivalents that are restricted as to withdrawal or use under the terms of certain contractual agreements are
recorded as restricted cash on our consolidated balance sheet. The Company has an outstanding letter of credit for $3.0
million associated with a lease, and is required to hold this amount in a standalone bank account at December 31, 2021 and
2020. The Company is also contractually required to maintain a cash collateral account associated with corporate credit cards
and other leases in the amount of $1.3 million at December 31, 2021 and 2020.

The Company includes the restricted cash balance in cash and cash equivalents when reconciling beginning-of-period and
end-of-period total amounts shown on the consolidated statements of cash flows. The following table provides a
reconciliation of cash, cash equivalents, and restricted cash reported in the consolidated balance sheet that sum to the total of
the amounts reported in the consolidated statement of cash flows:

Cash and cash equivalents
Restricted cash

Total cash, cash equivalents and restricted cash shown in the statement of

cash flows

F-7

As of December 31,

2021

2020

$

$

55,912
4,266
60,178

$

$

55,135
4,266
59,401

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The Company also has $7.9 million in an escrow account associated with the construction of the Company’s leased facility in
Fremont, California, which the Company has ceased construction and build-out, and has subleased the facility to a third-party
who intends to perform construction and build-out of the facility. Subject to the terms of the lease and reduction provisions,
this escrow amount may be decreased to nil over time upon qualifying construction expenditures, or will be returned in late
2022 to the extent funds are not used. The Company deposited $10.0 million into the account in the first quarter of 2020 and
has received $2.1 million in receipts from the escrow funds for work performed to date. Of the $7.9 million remaining in the
escrow account, the entire balance is classified within other prepaid expenses and other current assets on the consolidated
balance sheets based on the timing of when the Company expects to receive the cash from the escrow agent.

Inventory

Inventory is stated at the lower of cost or estimated net realizable value with cost determined on a first-in, first-out basis.
Inventory costs include raw materials, third-party contract manufacturing, third-party packaging services, and freight. Raw
and intermediate materials that may be utilized for either research and development or commercial purposes are classified as
inventory. Amounts in inventory that are used for research and development purposes are charged to research and
development expense when the product enters the research and development process and can no longer be used for
commercial purposes and, therefore, does not have an “alternative future use” as defined in authoritative guidance. The
Company performs an assessment of the recoverability of capitalized inventory during each reporting period and, if needed,
writes down any excess and obsolete inventory to its estimated net realizable value in the period it is identified. If they occur,
such impairment charges are recorded as a component of cost of goods sold in the consolidated statements of operations and
comprehensive income (loss). Inventory is included in prepaid expenses and other current assets on the consolidated balance
sheets and the amount was not significant as of December 31, 2021.

Prior to the initial date that regulatory approval is received, costs related to the production of inventory are recorded as
research and development expense on the Company’s consolidated statements of operations and comprehensive income
(loss) in the period incurred. In connection with the acquisition of Strimvelis in April 2018, and with the EMA approval of
Libmeldy in December 2020, the Company subsequently began capitalizing inventory manufactured or purchased after these
dates.

Intangible assets, net

Intangible assets, net consist milestones associated with the Company’s approved products, net of accumulated amortization.
The Company amortizes its intangible assets using the straight-line method over their estimated economic lives and
periodically reviews for impairment. The Company has not recognized any impairment charges related to intangible assets to
date.

Property and equipment

Property and equipment are recorded at cost and depreciated or amortized using the straight-line method over the following
estimated useful lives.

Property and equipment:
Lab equipment
Leasehold improvements
Furniture and fixtures
Office and computer equipment

Estimated useful life
5-10 years
Shorter of lease term or estimated useful life
4 years
3-5 years

Repairs and maintenance expenditures, which are not considered improvements and do not extend the useful life of property
and equipment, are expensed as incurred. Upon retirement or sale, the cost of assets disposed of and the related accumulated
depreciation are removed from the accounts, and any resulting gain or loss is included in the consolidated statements of
operations and other comprehensive loss.

Impairment of long-lived assets

Long-lived assets consist of property and equipment and operating lease right-of-use assets. Long-lived assets to be held and
used are tested for recoverability whenever events or changes in business circumstances indicate that the carrying amount of
the assets may not be fully recoverable. Factors that the Company considers in deciding when to perform an impairment
review include significant underperformance of the business in relation to expectations, significant negative industry or

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economic trends and significant changes or planned changes in the use of the assets. If an impairment review is performed to
evaluate a long-lived asset group for recoverability, the Company compares forecasts of undiscounted cash flows expected to
result from the use and eventual disposition of the long-lived asset group to its carrying value. An impairment loss would be
recognized when estimated undiscounted future cash flows expected to result from the use of an asset group are less than its
carrying amount. The impairment loss would be based on the excess of the carrying value of the impaired asset group over its
fair value, as determined in accordance with the related accounting literature.

Research and development costs

Research and development costs are expensed as incurred. Research and development expenses consist of costs incurred in
performing research and development activities, including salaries, share-based compensation and benefits, facilities costs,
depreciation, third-party license fees, certain milestone payments, and external costs of outside vendors engaged to conduct
clinical development activities and clinical trials, the purchase of in-process research and development assets, as well as costs
to develop a manufacturing process, perform analytical testing and manufacture clinical trial materials. Non-refundable
prepayments for goods or services that will be used or rendered for future research and development activities are recorded as
prepaid expenses. Such amounts are recognized as an expense as the goods are delivered or the related services are
performed, or until it is no longer expected that the goods will be delivered, or the services rendered. In addition, funding
from research grants is recognized as an offset to research and development expense on the basis of costs incurred on the
research program. Royalties to third parties associated with our research grants will be accrued when they become probable.

Research contract costs and accruals

The Company has entered into various research and development contracts. These agreements are cancelable, and related
costs are recorded as research and development expenses as incurred. When billing terms under these contracts do not
coincide with the timing of when the work is performed, the Company is required to make estimates of outstanding
obligations as of period end to those third parties. Any accrual estimates are based on a number of factors, including the
Company’s knowledge of the progress towards completion of the research and development activities, invoicing to date
under the contracts, communication from the research institution or other companies of any actual costs incurred during the
period that have not yet been invoiced, and the costs included in the contracts. Significant judgments and estimates may be
made in determining the accrued balances at the end of any reporting period. There may be instances in which payments
made to our vendors will exceed the level of services provided and result in a prepayment of the expense. Actual results
could differ from the estimates made by the Company. The historical accrual estimates made by the Company have not been
materially different from the actual costs.

Share-based compensation

The Company measures share-based awards granted to employees, consultants and directors based on the fair value of the
shares and options on the date of the grant and recognizes compensation expense for those awards over the requisite service
period, which is the vesting period of the respective award. Forfeitures are accounted for as they occur.

Comprehensive loss

Comprehensive loss is composed of net loss and other comprehensive income (loss). Other comprehensive income (loss)
consists of unrealized gains and losses on marketable securities and foreign currency translation gains and losses.

Leases

The Company determines if an arrangement is a lease at contract inception. Operating lease assets represent a right to use an
underlying asset for the lease term and operating lease liabilities represent an obligation to make lease payments arising from
the lease. Operating lease liabilities with a term greater than one year and their corresponding right-of-use assets are
recognized on the balance sheet at the commencement date of the lease based on the present value of lease payments over the
expected lease term. Certain adjustments to the right-of-use asset may be required for items such as initial direct costs paid or
incentives received. The Company made an accounting policy election to not record a right-of-use asset or lease liability for
leases with a term of one year or less. To date, the Company has not identified any material short-term leases, either
individually or in the aggregate.

As the Company’s leases do not provide an implicit rate, the Company utilized the appropriate incremental borrowing rate,
which is the rate incurred to borrow on a collateralized basis over a similar term as the lease an amount equal to the lease
payments in a similar economic environment. The Company estimated the incremental borrowing rate based on the

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Company’s currently outstanding credit facility as inputs to the analysis to calculate a spread, adjusted for factors that reflect
the profile of secured borrowing over the expected term of the lease.

The components of a lease should be split into three categories: lease components (e.g., land, building, etc.), non-lease
components (e.g., common area maintenance, utilities, performance of manufacturing services, purchase of inventory, etc.),
and non-components (e.g., property taxes, insurance, etc.). Then the fixed contract consideration (including any related to
non-components) must be allocated based on fair values to the lease components and non-lease components. Although
separation of lease and non-lease components is required, certain accounting policy elections are available to entities. Entities
can elect accounting policies that would not separate lease and non-lease components. Rather, they would account for each
lease component and the related non-lease component together as a single component. The Company has elected not to apply
the accounting policy with respect to its lease of manufacturing space at a contract manufacturing organization, the Company
has allocated the consideration between the lease and non-lease components of the contract based on the respective fair
values of the lease and non-lease components. The Company calculated the fair value of the lease and non-
lease components using financial information readily available as part of its master services arrangement and other
representative data indicative of fair value.

The Company accounts for sublease income on a straight-line basis over the respective lease period and records an unbilled
rent receivable for sublease income incurred but not yet paid. The Company periodically performs a collectability assessment
associated with any unbilled rent receivables. The Company recognizes the sublease income as a reduction to the related
operating expense associated with the head lease.

Strimvelis loss provision

As part of the GSK transaction, the Company is required to maintain commercial availability of Strimvelis in the European
Union until such time that an alternative gene therapy is available (see Note 15). Strimvelis is not currently expected to
generate sufficient cash flows to overcome the costs of maintaining the product and certain regulatory commitments;
therefore, the Company initially recorded a liability associated with the loss contract of $18.4 million in 2018. The Company
recognizes the amortization of the loss provision on a diminishing balance basis based on the actual net loss incurred
associated with the Strimvelis program and the expected future net losses to be generated until such time as Strimvelis is no
longer commercially available. The amortization of the provision is recorded as a credit to research and development
expense. The Company has made an estimate of the expected future losses associated with Strimvelis and will adjust this
estimate as facts and circumstances change regarding the commercial availability and costs of maintaining and selling
Strimvelis. The Company does not update the accrued loss provision for any subsequent adjustment of the future losses,
however, the timing of recognizing the amortization of what was originally recorded is adjusted for the updated future losses.

The following table below outlines the changes to the Strimvelis loss provision for the periods ended December 31, 2021 and
2020:

Balance at beginning of period
Provisions
Amortization of loss provision
Foreign currency translation
Balance at end of period

Year Ended December 31,

2021

2020

$

$

4,482
—
(1,037)
(26)
3,419

$

$

6,790
—
(2,413)
105
4,482

As of December 31, 2021, $0.7 million of the Strimvelis loss provision was classified as current, and $2.7 million was
classified as non-current. As of December 31, 2020, $0.9 million of the Strimvelis loss provision was classified as current,
and $3.6 million was classified as non-current.

United Kingdom Research and development income tax credits

As a company that carries out research and development activities, the Company is able to submit tax credit claims from two
UK research and development tax relief programs, the SME program and the RDEC program depending on eligibility.
Qualifying expenditures largely comprise employment costs for research staff, consumables and certain internal overhead
costs incurred as part of research projects for which the Company does not receive income.

Each reporting period, management evaluates which tax relief programs the Company is expected to be eligible for and
records a reduction to research and development expense for the portion of the expense that it expects to qualify under the

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programs, that it plans to submit a claim for, and it has reasonable assurance that the amount will ultimately be realized.
Based on criteria established by HM Revenue and Customs (“HMRC”), management of the Company expects a proportion of
expenditures being undertaken in relation to its pipeline research, clinical trials management and manufacturing development
activities to be eligible for the research and development tax relief programs for the year ended December 31, 2021. The
Company has qualified under the more favorable SME regime for the year ended December 31, 2020 and expects to qualify
under the SME regime for the year ending December 31, 2021.

The RDEC and SME credits are not dependent on the Company generating future taxable income or on the ongoing tax status
or tax position of the Company. The Company has assessed its research and development activities and expenditures to
determine whether the nature of the activities and expenditures will qualify for credit under the tax relief programs and
whether the claims will ultimately be realized based on the allowable reimbursable expense criteria established by the UK
government which are subject to interpretation. At each period end, the Company estimates the reimbursement available to
the Company based on available information at the time.

The Company recognizes credits from the research and development incentives when the relevant expenditure has been
incurred and there is reasonable assurance that the reimbursement will be received. Such credits are accounted for as
reductions in research and development expense. The following table outlines the changes to the research and development
tax credit receivable, including amount recognized as an offset to research and development expense during the years ended
December 31, 2021 and 2020:

Balance at beginning of period
Recognition of credit claims as offset to research and development expense
Receipt of credit claims
Foreign currency translation
Balance at end of period

$

$

Year Ended December 31,

2021

2020

17,344
13,920
—
(541)
30,723

$

$

28,644
21,130
(33,771)
1,341
17,344

During the year ended December 31, 2020, the Company recorded $4.8 million of additional tax credits related to a change in
estimate associated with its UK research and development tax credit receivable claim for fiscal year 2019. The change in
estimate was based on the results of a tax credit analysis associated with the Company’s qualified projects and research and
development expenditures completed during the third quarter to finalize the 2019 UK tax return.

As of December 31, 2021, the Company’s tax credit receivable from the UK was $30.7 million, all of which was classified as
current. As of December 31, 2020, the Company’s tax incentive receivable from the UK was $17.3 million, all of which was
classified as current.

Income taxes

The Company is primarily subject to corporation taxes in the United Kingdom and the United States. The calculation of the
Company’s tax provision involves the application of both United Kingdom and United States tax law and requires judgement
and estimates.

The Company accounts for income taxes in accordance with ASC Topic 740, Accounting for Income Taxes, which provides
for deferred taxes using an asset and liability approach. The Company recognizes deferred tax assets and liabilities for the
expected future tax consequences of events that have been included in the financial statements or tax returns. The Company
determines its deferred tax assets and liabilities based on differences between financial reporting and tax bases of assets and
liabilities, which are measured using the enacted tax rates and laws that will be in effect when the differences are expected to
reverse. Valuation allowances are provided if, based upon the weight of available evidence, it is more likely than not that
some or all of the net deferred tax assets will not be realized.

The Company accounts for uncertainty in income taxes by applying a two-step process to determine the amount of tax benefit
to be recognized. First, the tax position must be evaluated to determine the likelihood that it will be sustained upon external
examination by the taxing authorities. If the tax position is deemed more-likely-than-not to be sustained, the tax position is
then assessed as the amount of benefit to recognize in the consolidated financial statements. The amount of benefits that may
be used is the largest amount that has a greater than 50% likelihood of being realized upon ultimate settlement. The provision
for income taxes includes the effects of any resulting tax reserves, or unrecognized tax benefits, that are considered
appropriate, as well as the related net interest and penalties.

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Product sales

The Company’s product sales in 2021 and 2020 consist of sales of Strimvelis, which is distributed exclusively at the San
Raffaele Hospital in Milan, Italy. San Raffaele Hospital will purchase and pay for Strimvelis and submit a claim to the payer.
The Company’s contracted sales with San Raffaele Hospital contain a single performance obligation and the Company
recognizes revenue from product sales when the Company has satisfied its performance obligation by transferring control of
Strimvelis to San Raffaele Hospital. Control of the product generally transfers upon the completion of the scheduled
Strimvelis treatment. The Company’s product sales represent total net product sales of Strimvelis. The Company evaluated
the variable consideration under Accounting Standards Codification (ASC) 606, Revenue from Contracts with Customers,
and there is currently no variable consideration included in the transaction price for Strimvelis. Costs to manufacture and
deliver the product and those associated with administering the therapy are included in cost of product sales. As the product
is sold in direct relation to a scheduled treatment, the Company estimates that there is limited risk of product return, including
the risk of product expiration. During the years ended December 31, 2021 and 2020, the Company has $0.7 and $2.6 million
in sales of Strimvelis, respectively.

Collaboration revenue

The terms of the Company’s collaboration agreements may include consideration such as non-refundable license fees,
funding of research and development services, payments due upon the achievement of clinical and preclinical performance-
based development milestones, regulatory milestones, manufacturing services, sales-based milestones and royalties on
product sales.

The Company first evaluates collaboration arrangements to determine whether the arrangement (or part of the arrangement)
represents a collaborative arrangement pursuant to ASC Topic 808, Collaborative Arrangements, based on the risks and
rewards and activities of the parties pursuant to the contractual arrangement. The Company accounts for any collaborative
arrangement or elements within the contract that are deemed to be a collaborative arrangement, and not a customer
relationship, in accordance with ASC 808. Through December 31, 2021, the Company entered into one agreement with
Pharming Group N.V. (the “Pharming Agreement”, see Note 16) that is accounted for pursuant to ASC 606.

Under ASC 606, an entity recognizes revenue when its customer obtains control of promised goods or services, in an amount
that reflects the consideration which the entity expects to receive in exchange for those goods or services. To determine the
appropriate amount of revenue to be recognized for arrangements determined to be within the scope of ASC 606, the
Company performs the following five steps: (i) identification of the contract(s) with the customer, (ii) identification of the
promised goods or services in the contract and determination of whether the promised goods or services are performance
obligations, (iii) measurement of the transaction price, (iv) allocation of the transaction price to the performance obligations,
and (v) recognition of revenue when (or as) the Company satisfies each performance obligation. The Company only applies
the five-step model to contracts when it is probable that the entity will collect consideration it is entitled to in exchange for
the goods or services it transfers to the customer.

The Company recognizes the transaction price allocated to upfront license payments as revenue upon delivery of the license
to the customer and resulting ability of the customer to use and benefit from the license, if the license is determined to be
distinct from the other performance obligations identified in the contract. If the license is considered to not be distinct from
other performance obligations, the Company utilizes judgment to assess the nature of the combined performance obligation
to determine whether the combined performance obligation is satisfied (i) at a point in time, but only for licenses determined
to be distinct from other performance obligations in the contract, or (ii) over time, and, if over time, the appropriate method
of measuring progress for purposes of recognizing revenue from license payments. The Company evaluates the measure of
progress each reporting period and, if necessary, adjusts the measure of performance and related revenue recognition.

The Pharming Agreement entitles the Company to additional payments upon the achievement of performance-based
milestones. These milestones are generally categorized into three types: development milestones, regulatory milestones, and
sales-based milestones. The Company is also eligible to receive from Pharming tiered royalty payments on worldwide net
sales. The Company evaluates whether it is probable that the consideration associated with each milestone will not be subject
to a significant reversal in the cumulative amount of revenue recognized. Amounts that meet this threshold are included in the
transaction price using the most likely amount method, whereas amounts that do not meet this threshold are considered
constrained and excluded from the transaction price until they meet this threshold. Milestones tied to regulatory approval, and
therefore not within the Company’s control, are considered constrained until such approval is received. Upfront and ongoing
development milestones per the collaboration agreements are not subject to refund if the development activities are not
successful. At the end of each subsequent reporting period, the Company re-evaluates the probability of a significant reversal
of the cumulative revenue recognized for the milestones, and, if necessary, adjusts the estimate of the overall transaction
price. Any such adjustments are recorded on a cumulative catch-up basis, which would affect revenues from collaborators in

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the period of adjustment. The Company may enter into an agreement that includes sales-based milestone payments and
royalties in exchange for a license of intellectual property. The Company considers the underlying facts and circumstances of
these agreements, noting whether the future payments are contingent upon future sales and whether they are dependent on a
third party’s ability to successfully commercialize a product using the licensed intellectual property. The Company also
considers whether the license is the only, or predominant, item to which the milestone payments and royalties relate. If the
Company concludes the license is the predominant item in the agreement, therefore the primary driver of value, the Company
excludes sales-based milestone payments and royalties from the transaction price until the sale occurs (or, if later, until the
underlying performance obligation to which some or all of the royalty has been allocated has been satisfied or partially
satisfied). Currently, the Company has not recognized any royalty revenue resulting from the Pharming Agreement.

ASC 606 requires the Company to allocate the arrangement consideration on a relative standalone selling price basis for each
performance obligation after determining the transaction price of the contract and identifying the performance obligations to
which that amount should be allocated. The relative standalone selling price is defined in ASC 606 as the price at which an
entity would sell a promised good or service separately to a customer. If other observable transactions in which the Company
has sold the same performance obligation separately are not available, the Company is required to estimate the standalone
selling price of each performance obligation. Key assumptions to determine the standalone selling price may include
forecasted revenues, development timelines, reimbursement rates for personnel costs, discount rates and probabilities of
technical and regulatory success.

Whenever the Company determines that a contract should be accounted for as a combined performance obligation, which is
recognized over time, it will utilize the cost-to-cost input method. Revenue will be recognized over time using the cost-to-
cost input method, based on the total estimated costs to fulfill the obligations. The Company will recognize revenue as
services are delivered. Significant management judgment is required in determining the estimate of total costs required under
an arrangement and the period over which the Company is expected to complete its performance obligations under an
arrangement.

Consideration that does not meet the requirements to satisfy the above revenue recognition criteria is a contract liability and
is recorded as deferred revenue in the consolidated balance sheets. Short-term deferred revenue consists of amounts that are
expected to be recognized as revenue in the next 12 months. Amounts that the Company expects will not be recognized
within the next 12 months are classified as long-term deferred revenue.

The Company recognizes as revenue the amount of the transaction price that is allocated to the respective performance
obligation when (or as) each performance obligation is satisfied, either at a point in time or over time. In particular, for the
Company’s collaborations with Pharming, revenue attributable to research services is recognized as those services are
provided, based on the costs incurred to date.

Net loss per share

Basic net loss per share is computed by dividing the net loss by the weighted average number of ordinary shares outstanding
for the period. Diluted net loss is computed by adjusting net loss based on the potential impact of dilutive securities. Diluted
net loss per share is computed by dividing the diluted net loss by the weighted average number of ordinary shares outstanding
for the period, including potential dilutive ordinary shares. For purpose of this calculation, outstanding options and unvested
restricted shares are considered potential dilutive ordinary shares. Since the Company was in a loss position for all periods
presented, basic net loss per share is the same as diluted net loss per share for all periods as the inclusion of all potential
ordinary share equivalents outstanding would have been anti-dilutive.

The following securities, presented based on amounts outstanding at each period end, are considered to be ordinary share
equivalents, but were not included in the computation of diluted net loss per ordinary share because to do so would have been
anti-dilutive:

Share options
Unvested shares from share plan and consulting agreement

As of December 31,

2021
14,042,781
512,908
14,555,689

2020
11,071,555
816,316
11,887,871

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Recent accounting pronouncements

In November 2021, the FASB issued ASU No. 2020-10, Government Assistance (Topic 832): Disclosures by Business
Entities about Government Assistance, which requires increased transparency in the disclosures about government assistant
in the notes to the financial statements. This ASU is effective for the Company beginning January 1, 2022, and interim
periods within that year, with early adoption permitted. The Company does not expect this amendment to have a significant
effect on its financial statement disclosures.

3. Fair Value Measurements and Marketable Securities

The following tables present information about the Company’s financial assets that have been measured at fair value as of
December 31, 2021 and 2020, and indicate the fair value of the hierarchy of the valuation inputs utilized to determine such
fair value. In general, fair values determined by Level 1 inputs utilize quoted prices (unadjusted) in active markets for
identical assets or liabilities. Fair value determined by Level 2 inputs utilize observable inputs other than Level 1 prices, such
as quoted prices for similar assets or liabilities, quoted market prices in markets that are not active or other inputs that are
observable or can be corroborated by observable market data for substantially the full term of the related assets or liabilities.
Fair values determined by Level 3 inputs are unobservable data points for the asset or liability, and include situations where
there is little, if any, market activity for the asset or liability. During the years ended December 31, 2021 and 2020, there were
no transfers between Level 1 and Level 2 financial assets.

The following table summarizes the Company’s cash equivalents and marketable securities as of December 31, 2021:

Fair Value Measurements as of
December 31, 2021 Using:
Level 3
Level 2

Level 1

Cash equivalents

Money market funds
Corporate bonds
Commercial paper
Total cash equivalents

Marketable securities
Corporate bonds
Commercial paper
Total marketable securities

Total

$

$

$

$
$

21,085
—
—
21,085

$

$

— $

7,321
13,198
20,519

— $
—
— $
$

21,085

94,794
69,401
164,195
184,714

$

$

$
$

Total

21,085
7,321
13,198
41,604

94,794
69,401
164,195
205,799

— $
—
—
— $

— $
—
— $
— $

The following table summarizes the Company’s cash equivalents and marketable securities as of December 31, 2020:

Cash equivalents

Money market funds
U.S. government securities
Commercial paper
Total cash equivalents

Marketable securities

US government securities
Corporate bonds
Commercial paper
Total marketable securities

Total

Fair Value Measurements as of
December 31, 2020 Using:
Level 3
Level 2

Level 1

$

$

$

$
$

6,650
—
—
6,650

$

$

— $
—
—
— $
$

6,650

— $

3,001
2,999
6,000

2,997
93,358
40,458
136,813
142,813

$

$

$
$

— $
—
—
— $

— $
—
—
— $
— $

Total

6,650
3,001
2,999
12,650

2,997
93,358
40,458
136,813
149,463

The carrying amount reflected in the consolidated balance sheets for research and development tax incentive receivable, trade
receivables, other receivables, accounts payable, and accrued expenses approximate fair value due to their short-term
maturities. The carrying value of the Company’s outstanding notes payable approximates fair value (a Level 2 fair value
measurement), reflecting interest rates currently available to the Company.

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Marketable Securities

The following table summarizes the Company’s cash equivalents and marketable securities as of December 31, 2021:

Corporate bonds
Commercial paper

Total

Fair Value Measurements as of
December 31, 2021 Using:

Amortized
Cost

Gross
Unrealized
Gains

Gross
Unrealized
Losses

Credit
Losses

Fair Value

$ 102,224
82,657
$ 184,881

$

$

— $
—
— $

(109) $
(58)
(167) $

— $ 102,115
82,599
—
— $ 184,714

The following table summarizes the Company’s cash equivalents and marketable securities as of December 31, 2020:

U.S. government securities
Corporate bonds
Commercial paper

Total

Amortized
Cost

$

3,000
96,259
43,469
$ 142,728

Fair Value Measurements as of
December 31, 2020 Using:
Gross
Unrealized
Losses

Gross
Unrealized
Gains

Credit Losses

Fair Value

$

$

— $

133
1
134

$

(4) $

(32)
(13)
(49) $

2,996
—
96,360
—
—
43,457
— $ 142,813

The following table summarizes the Company’s available-for-sale marketable debt securities by contractual maturity, as of
December 31, 2021 and 2020:

Maturities in one year or less
Maturities between one and three years
Total

4. Product sales

2021

2020

172,575
12,139
184,714

$

$

132,056
10,757
142,813

$

$

During the years ended December 31, 2021 and 2020, the Company recorded sales for one commercial-stage therapy,
Strimvelis, for the treatment of ADA-SCID. Strimvelis is currently distributed exclusively at the San Raffaele Hospital in
Milan, Italy. San Raffaele Hospital will purchase and pay for Strimvelis and submit a claim to the payer. The Company’s
contracted sales with San Raffaele Hospital contain a single performance obligation and the Company recognizes revenue
from product sales when the Company has satisfied its performance obligation by transferring control of Strimvelis to San
Raffaele Hospital. Control of the product generally transfers upon the completion of the scheduled Strimvelis treatment. The
Company’s product sales represent total net product sales of Strimvelis. The Company evaluated the variable consideration
under Accounting Standards Codification (ASC) 606, Revenue from Contracts with Customers, and there is currently no
variable consideration included in the transaction price for Strimvelis. Costs to manufacture and deliver the product and those
associated with administering the therapy are included in cost of product sales. As the product is sold in direct relation to a
scheduled treatment, the Company estimates that there is limited risk of product return, including the risk of product
expiration.

Payment terms and conditions generally require payment for Strimvelis sales within 60 days of treatment. Strimvelis is
currently distributed exclusively at the San Raffaele Hospital, and there is currently no variable consideration included in the
transaction price of Strimvelis.

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5. Prepaid expenses and other current assets

Prepaid expenses and other current assets consist of the following:

Prepaid external research and development expenses
Inventories
Other prepayments
VAT receivable
Construction deposit - current
Non-trade receivables
Total prepaid expenses and other current assets

6. Property and equipment

Property and equipment consist of the following:

Property and equipment:

Lab equipment
Leasehold improvements
Furniture and fixtures
Office and IT equipment
Construction-in-progress

Property and equipment

Less: accumulated depreciation

Property and equipment, net

December 31,

2021

2020

2,438
2,016
6,128
1,169
7,909
3,351
23,011

$

$

1,421
665
4,930
2,780
1,552
2,017
13,365

December 31,

2021

2020

5,937
2,450
303
2,023
211
10,924
(6,157)
4,767

$

$

$

5,114
2,522
304
763
302
9,005
(4,224)
4,781

$

$

$

$

$

Depreciation expense for the years ended December 31, 2021 and 2020 was $2.2 million and $2.0 million, respectively.

7. Intangible assets, net

Intangible assets, net of accumulated amortization, consisted of the following:

As of December 31, 2021
Accumulated
Amortization

Cost

Net

Cost

License intangibles

Total

$
$

4,329 $
4,329 $

(180) $
(180) $

4,149 $
4,149 $

3,076 $
3,076 $

As of December 31, 2020
Accumulated
Amortization
—

Net

3,076
3,076

- $

License intangibles consist of capitalized milestone payments or accruals of payments the Company has deemed probable
upon receiving regulatory approval of Libmeldy in the EU. The license intangibles are being amortized on a straight-line
basis over the remaining useful life of the related patents of approximately twelve years. For year ended December 31, 2021,
amortization of intangible assets totaled $0.2 million. For the year ended December 31, 2020, amortization of intangible
assets was nil. The effect of foreign currency translation on the net carrying value of intangible assets during 2021 was not
material.

The following table summarizes the estimated future amortization for intangible assets for the next five years and thereafter:

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2022
2023
2024
2025
2026
Thereafter
Total

8. Other assets

Other assets consist of the following:

Deferred tax assets
Deposits
Deferred financing costs
Other non-current assets
Construction deposits - long-term
Total other assets

9. Accrued expenses and other liabilities

Accrued expenses and other current liabilities consisted of the following:

Accrued external research and development expenses
Accrued payroll and related expenses
Accrued milestone payments
Accrued professional fees
Accrued other
Strimvelis liability - current portion
Total accrued expenses and other current liabilities

10. Restructuring charges

364
364
364
364
364
2,329
4,149

December 31,

2021

2020

4,086
1,404
693
3,407
—
9,590

$

5,219
1,144
975
1,554
6,572
15,464

December 31,

2021

2020

9,273
8,521
2,058
854
2,941
671
24,318

$

$

8,878
11,881
2,252
791
4,225
916
28,943

$

$

$

In May 2020, the Company committed to a new strategic plan and restructuring intended to enable the Company to advance
its corporate strategy while reducing overall operating expenses, including ceasing construction and build-out of its Fremont,
California manufacturing facility, closing its office in Menlo Park, California, reducing its workforce by approximately 25%
across the Company, eliminating a number of future positions expected to be recruited in 2020 and 2021, reducing its
investment in the future development for certain programs, and other cost-saving measures (collectively, the
“Restructuring”). The workforce reductions took place primarily during the second and third quarters of 2020, and concluded
in the fourth quarter of 2020.

Cash restructuring charges

Accrued restructuring and severance costs are included in Accrued expenses and other current liabilities in the consolidated
balance sheet. Activity for the fiscal year is summarized as follows:

Year Ended December 31,
2020

—
1,854
(1,848)
6

$

$

F-17

Balance at beginning of period
Charged to expense
Payments made
Balance at end of period

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There were no restructuring costs during the year ended December 31, 2021.

Impairment of long-lived assets

During the second quarter of 2020, the Company also took the following non-cash charges to research and development
expense associated with the impairment of construction-in-process associated with the Fremont manufacturing facility, partial
impairment of the right-of-use asset for the Fremont manufacturing facility lease (the “Fremont ROU asset”), and a write-
down of laboratory equipment from the Company’s Menlo Park, CA facility:

Operating lease right-of-use asset
Construction-in-progress
Laboratory equipment
Charge included in research and development expense

Asset write-down

2,605
2,285
760
5,650

$

$

The Company assessed the Fremont construction-in-process for impairment in May 2020 upon the Restructuring. The
construction-in-process related to design costs, and was determined to have no potential future value, and an impairment
charge of $2.3 million was taken for the full value of the construction-in-process asset.

The Company assessed the Fremont ROU asset for impairment in May 2020 upon the Restructuring when the carrying value
of the asset was $13.8 million. The Fremont ROU asset represented the asset group for the impairment assessment. Upon
failing the first step of the long-lived asset impairment model where the undiscounted cash flows were less than the carrying
value of the Fremont ROU asset, the Company performed the second step by comparing the fair value of the Fremont ROU
asset to its carrying value. The fair value of the Fremont ROU asset is a non-recurring fair value measurement that was
measured using a probability-weighted discounted cash flow approach, which estimated the present value of potential
sublease income to be generated by the facility, less costs incurred to sublease the facility. The significant assumptions
inherent in estimating the various probability weighted scenarios included the undiscounted forecasted sublease income less
costs incurred, which included assumptions of the expected income and timing of entering into a future sublease, and a
market-participant discount rate that reflects a potential discount rate. The Company selected the assumptions used in the fair
value estimate using current market data associated with the potential sublease income and market participant discount rates.
The undiscounted cash flows utilized in the fair value estimate ranged from $11.7 million to $19.1 million to be generated
over the remainder of the lease term. The market-participant discount rate utilized in the fair value estimate was 4.6%. These
assumptions represent level 3 inputs of the fair value hierarchy (see Note 3).

As of the assessment date, the fair value of the Fremont ROU asset was $11.2 million, and the Company recorded a
$2.6 million impairment charge related to the asset. The remaining carrying value of the Fremont ROU asset is being
amortized over the remaining lease term on a straight-line basis. In December 2020, the Company executed a sublease for the
Fremont manufacturing facility with an unrelated third-party for the remaining lease term (see Note 11). No further
impairment was necessary as a result of the sublease. The occurrence of a triggering event for the Fremont ROU asset in
future periods could result in additional impairment charges if the estimated fair value of the asset is determined to be lower
than the carrying value.

11. Leases

Operating leases
In November 2017 and January 2019, the Company entered into lease agreements for office and laboratory space in Menlo
Park, California, United States. The leases terminated in December 2020. The combined annual rental payments, including
variable payments, under both leases with the same landlord were nil in 2021 and $1.9 million in 2020. The Company was
provided with one month of free rent in connection with the first lease. The lease agreement included annual rent escalation
provisions.

In January 2018 and December 2018, the Company entered into lease agreements for office space in London, United
Kingdom, both of which terminate in January 2023. The combined annual rental payments, including variable payments,
under the lease agreements were $1.8 million in 2021 and $1.7 million in 2020. The Company also rented lab spaces in
London in 2021, for which it made $0.2 million in payments in 2021.

In March 2018, the Company entered into a lease agreement for office space in Boston, Massachusetts, United States, which
terminates in September 2022. The annual rental payments, including variable payments, were $0.4 million in 2021 and

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2020. The lease agreement includes annual rent escalation provisions. The Company has subleased the space in August 2021,
and recognized $0.1 million in sublease income in 2021.

In July 2019, the Company entered into a lease agreement for office space in Boston, Massachusetts, United States, which
commences for accounting purposes in January 2020. The lease terminates in September 2026. The annual rental payments,
including variable payments, were $1.1 million and $0.9 million in 2021 and 2020, respectively. The lease agreement
includes annual rent escalation provisions.

As of December 31, 2021, the carrying value of the operating lease right-of-use assets in Boston and London was $4.1
million and the lease liabilities was $4.3 million. As of December 31, 2020, the carrying value of the operating lease right-of-
use assets in Boston and London was $5.4 million and the lease liabilities was $5.7 million.

Fremont operating lease and sublease agreements

In December 2018, the Company leased manufacturing, laboratory, and office space in Fremont, California (the “Fremont
facility” and the “Head Lease”) which terminates in May 2030. In May 2020, the Company committed to a restructuring plan
(see Note 10) whereby we ceased construction and build-out of the Fremont facility. In December 2020, the Company
entered into a sublease agreement (the “Sublease”) with an unrelated third-party (the “subtenant”) whereby the Company
subleased the entire Fremont facility to the subtenant. The Company accounts for the Head Lease and Sublease as two
separate contracts. Both the Head Lease and Sublease were determined to be operating leases.

The Head Lease annual rental payments, including variable payments, were $3.1 million in 2021 and 2020. The Head Lease
includes annual rent escalation provisions. The Company was provided with 8 months of free rent. Subject to the terms of the
Head Lease agreement, the Company executed a $3.0 million letter of credit upon signing the lease, which may be reduced
by 25% subject to reduction requirements specified therein. This amount is classified as restricted cash on the consolidated
balance sheets.

As of December 31, 2021, the carrying value of the Fremont Head Lease right-of-use asset was $9.5 million and the lease
liability was $13.1 million. The Head Lease provides for up to $5.3 million in tenant improvement allowances to be
reimbursed to the Company by the landlord. These tenant improvement allowances have been included in the calculation of
the operating lease liability and is currently expected to be received in 2022. The Company continues to assess the expected
receipt of the tenant improvement allowances and may remeasure the right-of-use asset and liability from time to time as
facts and circumstances may change.

The Sublease commenced in December 2020 and is in force for the remainder of the Head Lease term, through May 2030.
The Sublease provides for 12 months of free rent until December 2021. The sublease provides for an initial annual cash base
rent of $2.2 million, with annual rent escalation provisions. The subtenant is also responsible for paying all operating
expenses associated with the Head Lease. The Sublease also includes pass-through of up to $5.3 million in tenant
improvement allowances to the subtenant, subject to the Company being reimbursed for the allowances per the terms of the
Head Lease. The Subtenant provided the Company with a $2.6 million security deposit, which may be converted to a letter of
credit upon providing evidence of $2.6 million in construction expenditures. The Company accounts for the security deposit
within other long-term liabilities.

The Company has $7.9 million in an escrow account associated with construction on the Fremont facility, for which the
Company has ceased construction and build-out. Subject to the terms of the Head Lease and reduction provisions, this
amount may be returned to the Company upon qualifying construction expenditure, or will be returned in late 2022 (the
“Sunset Date”) to the extent construction expenses have not been incurred. The Company deposited $10.0 million into the
account in the first quarter of 2020 and has received $2.1 million in receipts from the escrow funds for costs incurred to date.
The escrow balance is all classified within other current assets on the consolidated balance sheets based on the timing of
when the Company expects funds to be returned from the escrow agent. Future receipts from the escrow deposit will be
dependent upon the timing of the subtenant construction spend through the Sunset Date.

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Embedded operating lease arrangement

The Company is party to a manufacturing agreement for research and development and commercial production with AGC
Biologics, S.p.A. (formerly MolMed S.p.A.) (“AGC”) pursuant to which AGC will develop, manufacture and supply certain
viral vectors and conduct cell processing activities for certain Company development and commercial programs. A
manufacturing agreement with AGC was novated to the Company as part of the GSK Agreement (see Note 15). On July 2,
2020 (the “Effective Date”), the Company entered into a new manufacturing and technology development master agreement
with AGC (the “AGC Agreement”) which superseded the novated agreement.

The Company determined that the AGC Agreement contains an embedded lease as it includes provision of manufacturing
suites designated for the Company’s exclusive use during the term of the agreement. The AGC Agreement has an initial term
of five years, beginning on the Effective Date and ending July 2, 2025. The agreement may be extended for an additional two
years by mutual agreement of the Company and AGC. The AGC Agreement contains payments associated with lease and
non-lease components. The contractual annual rental payments associated with the lease that are considered a lease
component amount to €2.7 million per contract year. The non-lease components of the agreement consist of minimum
manufacturing purchase requirements and dedicated manufacturing and development services (see Note 18).

As of December 31, 2021, the carrying value of the embedded operating lease right-of-use asset was $10.7 million and the
lease liability was $9.3 million. As of December 31, 2020, the carrying value of the embedded operating lease right-of-use
asset was $13.9 million and the lease liability was $13.1 million. The Company may terminate the AGC Agreement and the
use of the exclusive manufacturing suites, with 12-months’ notice, and beginning no earlier than July 2, 2022. AGC may
terminate the AGC Agreement with 24-months’ notice. The AGC Agreement provides for an option to reserve one additional
exclusive manufacturing suite any time prior to January 1, 2022 for a one-time option fee plus annual rental fee. The AGC
Agreement extends until July 2, 2025.

Summary of all lease costs recognized under ASC 842

Our facility leases described above generally contain customary provisions allowing the landlords to terminate the leases if
we fail to remedy a breach of any of our obligations under any such lease within specified time periods, or upon our
bankruptcy or insolvency. The leases do not include any restrictions or covenants that had to be accounted for under the lease
guidance. The following table contains a summary of the lease-related costs recognized within operating expenses, and other
information pertaining to the Company’s operating leases as of December 31, 2021 and 2020:

Fixed lease cost
Impairment of right-of-use assets
Variable lease cost
Sublease income
Total lease cost

Other information

Operating cash flows used for operating leases
Weighted-average remaining lease term (years)
Weighted-average discount rate

$

$

2021

2020

7,701
—
1,696
(2,746)
6,651

$

$

7,989
6.0
8.7%

7,593
2,781
2,131
(181)
12,324

8,447
6.6
8.6%

Fixed lease cost represents the ASC 842 rent expense associated with the amortization of our right-of-use assets and lease
liabilities. Impairment of right-of-use assets relates to discrete impairment charges taken when, in the Company’s estimation,
the fair value of a right-of-use asset is below the carrying value. Variable lease cost are the amounts owed by the Company to
a lessor that are not fixed, such as reimbursement for common area maintenance and utilities costs, and are not included in
the calculation of the Company’s operating lease right of use assets or operating lease liabilities and are expensed when
incurred. Sublease income represents the straight-line recognition of base rent sublease income over the term of the Sublease,
and recognition of pass-through operating expense costs per the terms of the Sublease.

During the year ended December 31, 2021, the Company obtained right of use assets valued at $0.6 million in exchange for
lease liabilities of $0.6 million. During the year ended December 31, 2020 the Company obtained $17.5 million in right of
use assets in exchange for $17.5 million in lease liabilities.

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As of December 31, 2021, future minimum base rent commitments under ASC 842 under the Company’s property leases
were as follows:

Due in:

2022
2023
2024
2025
2026
Thereafter

Total future minimum lease payments

Gross lease
payments

Gross sublease
receipts

Net lease
payments

(2,334)
(2,246)
(2,313)
(2,382)
(2,454)
(8,960)
(20,689)

4,992
4,527
4,486
2,979
1,266
2,372
20,622

7,326
6,773
6,799
5,361
3,720
11,332
41,311
(14,698)
26,613

Less: imputed interest
Total operating lease payments
*Tabular disclosure above for leases denominated in GBP have been translated at a rate of £1.00 to $1.35, and leases
denominated in Euro have been translated at a rate of €1.00 to $1.13.

$

12. Notes Payable

In May 2019, the Company entered into a senior term facilities agreement, which was amended in April 2020 (the “Original
Credit Facility”) with MidCap Financial (Ireland) Limited (“MidCap Financial”), as agent, and additional lenders from time
to time (together with MidCap Financial, the “Lenders”), to borrow up to $75.0 million in term loans.

In May 2021, the Company amended and restated the Original Credit Facility (the “Amended Credit Facility”). Under the
Amended Credit Facility, the Lenders agreed to make term loans available to the Company in the aggregate amount of
$100.0 million, including increasing the principal on the initial term loan to $33.0 million, from $25.0 million. To date, the
Company has borrowed $33.0 million under the amended initial term loan. The remaining $67.0 million under the Amended
Credit Facility may be drawn down in the form of a second and third term loan, the second term loan being a $33.0 million
term loan available no earlier than July 1, 2022 and no later than July 1, 2023 upon certain regulatory approvals and
evidence of the Company having $100 million in cash and cash equivalent investments; and the third term loan being a
$34.0 million term loan available no earlier than July 1, 2023 and no later than July 1, 2024 upon evidence of the Company
having $100 million in cash and cash equivalent investments and attaining a pre-specified trailing 12-month revenue
target.

Prior to execution of the Amended Credit Facility, each term loan under the Original Credit Facility bore interest at an annual
rate equal to 6.0% plus LIBOR. The Company was required to make interest-only payments on the term loan for all payment
dates prior to 24 months following the date of the Original Credit Facility, unless the third tranche was drawn, in which case
for all payment dates prior to 36 months following the date of the Original Credit Facility. The term loans prior to the
Amended Credit Facility were to begin amortizing on either the 24-month or the 36-month anniversary of the Original Credit
Facility (as applicable), with equal monthly payments of principal plus interest to be made by the Borrower to the Lenders in
consecutive monthly installments until the loan maturity date. In addition, a final payment of 4.5% was due on the loan
maturity date. The Company accrued the final payment amount of $1.1 million associated with the first term loan of the
Original Credit Facility, to outstanding debt by charges to interest expense using the effective-interest method from the date
of issuance through the date of the Amended Credit Facility. Upon execution of the Amended Credit Facility, the Company
was required to make a payment of $0.5 million for the accrued final payment associated with the Original Credit Facility,
which was netted against proceeds from the additional initial term loan.

Each term loan under the Amended Credit Facility bears interest at an annual rate equal to 5.95% plus LIBOR. The Company
is required to make interest-only payments on the term loan for 18 months following the date of the Amended Credit Facility,
unless the Company is eligible for the second tranche, in which case the Company may elect to make interest-only payments
for 30 months following the date of the Amended Credit Facility. The term loans under to the Amended Credit Facility begin
amortizing on either the 18-month or the 30-month anniversary of the Amended Credit Facility (as applicable), with equal
monthly payments of principal plus interest to be made by the Company to the Lenders in consecutive monthly installments
until the loan maturity date. In addition, a final payment of 3.5% is due on the loan maturity date. The Company is accruing
the final payment amount of $1.2 million associated with the first term loan of the Amended Credit Facility, to outstanding

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debt by charges to interest expense using the effective-interest method from the date of issuance through the loan maturity
date.

The Amended Credit Facility includes affirmative and negative covenants. The affirmative covenants include, among others,
covenants requiring the Company to maintain their legal existence and governmental approvals, deliver certain financial
reports, maintain insurance coverage, maintain property, pay taxes, satisfy certain requirements regarding accounts and
comply with laws and regulations. The negative covenants include, among others, restrictions on the Company transferring
collateral, incurring additional indebtedness, engaging in mergers or acquisitions, paying dividends or making other
distributions, making investments, creating liens, amending material agreements and organizational documents, selling
assets, changing the nature of the business and undergoing a change in control, in some cases subject to certain exceptions.
The Company is also subject to an ongoing minimum cash financial covenant in which the Company must maintain
unrestricted cash in an amount not less than $20.0 million following the utilization of the second term loan and not less than
$35.0 million following the utilization of the third term loan.

As of December 31, 2021, and December 31, 2020, notes payable consist of the following:

Notes payable, net of issuance costs
Less: current portion
Notes payable, net of current portion
Accretion related to final payment
Notes payable, long term

As of December 31, 2021, the future principal payments due are as follows:

December 31,

2021

2020

$

$

32,669
(786)
31,883
203
32,086

$

$

24,659
(4,861)
19,798
406
20,204

2022
2023
2024
2025
2026
Thereafter
Total
Less current portion
Less unamortized portion of final payment
Less unamortized debt issuance costs

Notes payable, long term

Aggregate
Minimum
Payments

786
9,429
9,429
9,429
5,082
—
34,155
(786)
(952)
(331)
32,086

$

During the years ended December 31, 2021 and 2020, the Company recognized $2.5 million and $2.3 million of interest
expense related to the term loan, respectively. The effective annual interest rate as of December 31, 2021 on the outstanding
debt under the Term Loan was approximately 8.4%.

13. Shareholders’ Equity and Convertible Preferred Shares

Ordinary shares

As of December 31, 2021, and 2020, each holder of ordinary shares and ADSs is entitled to one vote per ordinary share and
to receive dividends when and if such dividends are recommended by the board of directors and declared by the
shareholders. As of December 31, 2021, and 2020, the Company has not declared any dividends.

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As of December 31, 2021, and 2020, the Company had authority to allot ordinary shares up to a maximum nominal value of
£13,023,851.50 with a nominal value of £0.10 per share.

Ordinary share issuances

In April 2020, the Company issued 75,413 ordinary shares to Oxford BioMedica pursuant to the terms of our license
agreement (see Note 15).

In December 2020, the Company issued 22,758 ordinary shares pursuant to a consulting agreement (see Note 18) with a non-
employee advisor.

In February 2021, the Company issued and sold (i) 20,900,321 ordinary shares, nominal value £0.10 per share, at a purchase
price of $6.22 per share (the “Purchase Price”), which was the closing sale price of the Company’s ADSs on the Nasdaq
Global Select Market on February 4, 2021, and (ii) 3,215,434 non-voting ordinary shares, nominal value £0.10 per share, at
the Purchase Price (together (i) and (ii) the “Private Placement”). The Private Placement resulted in net proceeds to the
Company of $143.6 million after deducting placement agent fees of $6.0 million and other issuance costs of $0.4 million.
The ordinary shares and non-voting ordinary shares were sold pursuant to a securities purchase agreement entered into
between the Company and the purchasers named therein on February 4, 2021. All non-voting ordinary shares have been
converted to ordinary shares as of December 31, 2021.

In July 2021 the Company issued 1,227,738 ordinary shares to Pharming Group N.V. for total consideration of $7.5 million.
The consideration is payment for the fair value of ordinary shares with a fair value of $4.1 million plus a $3.4 million
premium on the fair value of the Company’s ordinary shares, which was allocated to the license and collaboration agreement
(see Note 16).

In December 2021, the Company issued 22,758 ordinary shares pursuant to a consulting agreement (see Note 18) with a non-
employee advisor

14. Share-based Compensation

The Company maintains four equity compensation plans; the Orchard Therapeutics Limited Employee Share Option Plan
with Non-Employee Sub-Plan and U.S. Sub-Plan (the “2016 Plan”), the Orchard Therapeutics plc 2018 Share Option and
Incentive Plan (the “2018 Plan”), the 2018 Employee Share Purchase Plan (the “ESPP”), and the 2020 Inducement Equity
Plan (the “Inducement Plan”). The number of shares of common stock that may be issued under the 2018 Plan is subject to
increase by the number of shares forfeited under any options forfeited and not exercised under the 2018 Plan or 2016 Plan.
The board of directors has determined not to make any further awards under the 2016 plan. As of December 31, 2021,
6,934,474 shares remained available for grant under the 2018 Plan, 721,500 remained available under the Inducement Plan,
and 1,197,399 shares remained available for grant under the ESPP.

Prior to the Company’s IPO, the Company granted options to United States employees and non-employees at exercise prices
deemed by the board of directors to be equal to the fair value of the ordinary share at the time of grant, and granted options to
United Kingdom and European Union employees and non-employees at an exercise price equal to the par value of the
ordinary shares of £0.00001. After the IPO, options are now granted at exercise prices equal to the fair value of the
Company’s ordinary shares on the grant date for all employees. The vesting period is determined by the board of directors,
which is generally four years. An option’s maximum term is ten years.

Share options

The fair value of each stock option award is determined on the date of grant using the Black-Scholes option-pricing model.
The risk-free interest rate is based on a U.S. treasury instrument whose term is consistent with the expected term of the stock
options. The expected term of the Company’s options has been determined utilizing the “simplified” method for awards that
qualify as “plain-vanilla” options. The expected volatility is based on the historical volatility of a representative group of
companies with similar characteristics to the Company, including those in the early stages of product development with a
similar and therapeutic focus. For these analyses, the Company selects companies with comparable characteristics to its own

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including enterprise value, risk profiles, position within the industry, and with historical share price information sufficient to
meet the expected term of the options. The relevant data used to determine the value of stock option awards are as follows:

Risk-free interest rate
Expected term (in years)
Expected volatility
Expected dividend rate

Year Ended December 31,
2021
0.5 - 1.3%
5.3 - 6.1
74.2 - 78.7%
0.00%

2020
0.3 - 1.7%
5.5 - 6.1
70.7 - 75.2%
0.00%

The following table summarizes option activity under the plans for the year ended December 31, 2021:

Outstanding at December 31, 2020

Granted
Exercised
Forfeited

Outstanding and expected to vest at December 31, 2021
Exercisable, as of December 31, 2021

Weighted
Average
Exercise Price
per Share

$

$
$

7.96
4.75
1.59
10.30
6.57
6.90

Shares
13,895,643
8,489,856
(1,727,254)
(3,357,505)
17,300,740
7,880,668

Weighted
Average
Remaining
Contractual
Life (Years)
7.16

Aggregate
Intrinsic
Value

$

91,133

7.83
6.59

$
$

2,842
2,685

The aggregate intrinsic value of options is calculated as the difference between the exercise price of the options and the fair
value of the Company’s ordinary shares for those options that had exercise prices lower than the fair value of the Company’s
ordinary shares. During the years ended December 31, 2021 and 2020, the total intrinsic value of share options exercised was
$7.4 million and $5.0 million, respectively. During the years ended December 31, 2021 and 2020, the total proceeds to the
Company from share options exercised was $2.7 million and $3.9 million, respectively. As of December 31, 2021, and 2020,
there was $nil and $0.2 million in employee equity plan proceeds received after year-end, respectively.

The weighted average grant date fair value of the options granted during the years ended December 31, 2021 and 2020 was
$3.10 per share and $7.22 per share, respectively.

Restricted Share Units

Performance-based share units

The Company has issued performance-based restricted share units (“RSUs”) to certain executives and members of its senior
management, with vesting linked to the achievement of three specific regulatory and research and development milestones
and one market condition based upon the volume weighted-average price (“VWAP”) of the Company’s ADSs for a certain
period. Upon achievement of any of the aforementioned milestones, one third of the RSUs will vest, and the award will
become fully vested upon achievement of three of the four performance conditions. 89,667 performance-based share units
vested during the years ended December 31, 2021. At December 31, 2021, the remaining 179,333 performance-based share
units outstanding under the scheme were cancelled.

The fair value associated with the performance-based conditions is recognized when achievement of the milestones becomes
probable, if at all. In the fourth quarter of 2020, the Company determined that a performance milestone was probable upon
approval of Libmeldy by the European Commission in December 2020, and recognized $1.2 million in compensation cost.
The shares associated with recognition of this performance milestone vested and were issued in January 2021.

CEO Award

The Company granted 195,000 performance-based RSUs with a total grant date fair value of $1.4 million to its Chief
Executive Officer, Bobby Gaspar, M.D., Ph.D., in April 2020. The award vests on January 2, 2024 as to 1/3 of the award for
each of the first three to occur of four milestones, if each such milestone is achieved by the Company on or before December

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31, 2023 and Dr. Gaspar remains continuously employed with the Company through January 2, 2024. The milestones relate
to achievement of specific clinical and regulatory milestones. No performance-based share unit performance conditions
associated with the CEO award were deemed probable and none vested during the year ended December 31, 2021.

Time-based restricted share units

Time-based restricted share units vest in equal annual installments over a three-year period.

The following table summarizes restricted share unit award activity for the year-end December 31, 2021:

Unvested at December 31, 2020

Granted
Vested
Forfeited

Unvested at December 31, 2021

Share-based compensation

Performance-based
RSUs

Time-based RSUs

Weighted Average
Grant Date Fair Value
per Share

464,000
—
(89,667)
(179,333)
195,000

180,000
47,500
(41,667)
(62,500)
123,333

$

$

8.75
4.94
9.94
10.32
6.41

Share-based compensation expense related to share options, restricted share unit awards, and the employee stock purchase
plan was classified in the consolidated statements of operations and comprehensive loss as follows:

Research and development
Selling, general and administrative
Total

Year Ended December 31,

2021

2020

$

$

9,214
13,322
22,536

$

$

11,679
16,283
27,962

The Company had 9,420,072 unvested options outstanding as of December 31, 2021. As of December 31, 2021, total
unrecognized compensation cost related to unvested stock option grants and time-based RSUs was approximately $37.1
million. This amount is expected to be recognized over a weighted average period of approximately 2.77 years. As of
December 31, 2021, the total unrecognized compensation cost related to performance-based RSUs is a maximum of $1.4
million, the timing of recognition will be dependent upon achievement of milestones.

15. License and Research Arrangements

GSK asset purchase and license agreement

In April 2018, the Company completed an asset purchase and license agreement (the “GSK Agreement”) with subsidiaries of
GSK to acquire a portfolio of autologous ex vivo gene therapy assets and licenses, for rare diseases and option rights on three
additional programs in preclinical development from Telethon Foundation and San Raffaele Hospital (“Telethon-OSR”). The
portfolio of programs and options acquired consisted of:









Two late-stage clinical gene therapy programs in ongoing registrational trials for MLD and WAS;

One earlier stage clinical gene therapy program for TDT;

Strimvelis, the first autologous ex vivo gene therapy for ADA-SCID which was approved for marketing by the
European Medicines Agency in 2016; and

Option rights exercisable upon completion of clinical proof of concept studies for three additional earlier-stage
development programs, which option rights have all subsequently lapsed.

The Company accounted for the GSK Agreement as an asset acquisition, since the asset purchase and licensing arrangement
did not meet the definition of a business pursuant to ASC 805, Business Combinations. Total consideration was £94.2 million

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($133.6 million at the acquisition date), which included an upfront payment of £10.0 million ($14.2 million at the acquisition
date) and 12,455,252 convertible preferred shares of the Company issued to GSK at an aggregate value of £65.8 million
($93.4 million at the acquisition date), a loss contract on the Strimvelis program valued at £12.9 million ($18.4 million), an
inventory purchase liability valued at £4.9 million ($6.9 million) and transaction costs of £0.6 million ($0.8 million). The
Company allocated £94.2 million ($133.6 million) to in-process research and development expense (based on the fair value
of the underlying programs in development). The convertible preferred shares were converted to ordinary shares as part of
our IPO in November 2018.

The Company is required to use commercially reasonable efforts to obtain a Priority Review Voucher (“PRV”) from the
United States Food and Drug Administration for each of the programs for MLD, WAS and TDT, the first of which GSK
retained beneficial ownership over. GSK also has an option to acquire, at a price pursuant to an agreed upon formula, any
PRV granted to the Company thereafter for MLD, WAS and TDT. If GSK does not exercise this option to purchase any
PRV, the Company may sell the PRV to a third party and must share any proceeds in excess of a specified sale price equally
with GSK. For accounting purposes, as of December 31, 2021, the Company does not consider the attainment of a PRV from
the United States Food and Drug Administration to be probable.

As part of the GSK Agreement the Company is required to use its best endeavors to make Strimvelis commercially available
in the European Union until such time as an alternative gene therapy is commercially available for patients in Italy, and at all
times at the San Raffaele Hospital in Milan, provided that a minimum number of patients continue to be treated at this site.
Strimvelis is not currently expected to generate sufficient cash flows to overcome the costs of maintaining the product and
certain regulatory commitments; therefore, the Company recorded a liability associated with the loss contract of £12.9
million ($18.4 million at the acquisition date) associated with the loss expected due to this obligation. This liability is being
amortized over the remaining period of expected sales of Strimvelis as a credit to research and development expenses (see
Note 2).

The Company will pay GSK non-refundable royalties and milestone payments in relation to the gene therapy programs. The
Company will pay a flat mid-single digit percentage royalty on the combined annual net sales of ADA-SCID products, which
includes Strimvelis. The Company will also pay tiered royalty rates at a percentage beginning in the mid-teens up to twenty
percent for the MLD and WAS products, upon marketing approval, calculated as percentages of aggregate cumulative net
sales of the MLD and WAS products, respectively. The Company will pay a tiered royalty at a percentage from the high
single-digits to low double-digit for the TDT product, upon marketing approval, calculated as percentages of aggregate
annual net sales of the TDT product. These royalties owed to GSK are in addition to any royalties owed to other third parties
under various license agreements for the GSK programs. In aggregate, the Company may pay up to £90.0 million in
milestone payments upon achievement of certain sales milestones applicable to GSK. The Company’s royalty obligations
with respect to MLD and WAS may be deferred for a certain period in the interest of prioritizing available capital to develop
each product. The Company’s royalty obligations are subject to reduction on a product-by-product basis in the event of
market control by biosimilars and will expire in April 2048. Other than Strimvelis, these royalty and milestone payments
were not determined to be probable and estimable at the date of the acquisition and are not included as part of consideration.

The Company and GSK also separately executed a Transition Services Agreement (“TSA”) as well as an Inventory Sale
Agreement, in April 2018. The TSA outlined several activities that the Company had requested GSK to assist with during the
transition period, including but not limited to utilizing GSK to sell, market and distribute Strimvelis, and assist with
regulatory, clinical and non-clinical activities for the other non-commercialized products which were ongoing at the date of
the GSK Agreement. The TSA expired in December 2018.

In connection with the Company’s entering into the GSK Agreement, GSK assigned rights and obligations to certain
contracts, which include among others, the original license agreement with Telethon-OSR and an ongoing manufacturing
agreement (see Note 18).

Telethon-OSR research and development collaboration and license agreements

In connection with the Company’s entering into the GSK Agreement, the Company also acquired and assumed agreements
with Telethon Foundation and San Raffaele Hospital, together referred to as Telethon-OSR, for the research, development
and commercialization of autologous ex vivo gene therapies for ADA-SCID, WAS, MLD, TDT, as well as options over three
additional earlier-stage development programs. The Company’s options under the agreement with Telethon-OSR with respect
to the earlier-stage programs have lapsed.

As consideration for the licenses, the Company will be required to make payments to Telethon-OSR upon achievement of
certain product development milestones. Additionally, the Company will be required to pay to Telethon-OSR a tiered mid-
single to low-double digit royalty percentage on annual sales of licensed products covered by patent rights on a country-by-
country basis, as well as a low double-digit percentage of sublicense income received from any certain third-party sublicenses

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of the collaboration programs. These royalties are in addition to those payable to GSK under the GSK Agreement. The
Company may pay up to an aggregate of approximately €31.0 million ($35.0 million at December 31, 2021) in milestone
payments upon achievement of certain product development milestones for the program.

In May 2019, the Company entered into a license agreement with Telethon-OSR, under which Telethon-OSR granted to the
Company an exclusive worldwide license for the research, development, manufacture and commercialization of Telethon-
OSR’s ex vivo autologous HSC lentiviral based gene therapy for the treatment of mucopolysaccharidosis type I (“MPS-I”),
including the Hurler variant. To date, Telethon-OSR received €17.0 million in upfront and milestone payments from the
Company upon entering into the agreement and shortly thereafter, resulting in $19.4 million in in-process research and
development expense. The Company is also required to make milestone payments contingent upon certain development,
regulatory and commercial milestones are achieved and may pay up to €28.0 million ($31.7 million at December 31, 2021).
Additionally, the Company will be required to pay Telethon a tiered mid-single to low-double digit royalty percentage on
annual net sales of licensed products.

UCLB/UCLA License Agreement

In February 2016, and amended in July 2017, the Company completed the UCLB/UCLA license agreement, under which the
Company has been granted exclusive and non-exclusive, sublicensable licenses under certain intellectual property rights
controlled by UCLB and UCLA to develop and commercialize gene therapy products in certain fields and territories.

In exchange for these rights, in 2016, the Company made upfront cash payments consisting of $0.8 million for the license to
the joint UCLB/UCLA technology and $1.1 million for the license to the UCLB technology and manufacturing technology.
The Company also issued an aggregate of 4,665,384 ordinary shares to UCLB, of which 1,224,094, and 3,441,290 ordinary
shares were issued in 2017 and 2016, respectively. The Company recorded research and development expense based on the
fair value of the ordinary shares as of the time the agreement was executed or modified. The Company was also obligated to
make an additional cash payment for clinical data. In 2017, the Company paid $0.8 million in relation to clinical data
acquired. The Company recorded the payments to research and development expense.

Under the UCLB/UCLA License Agreement, the Company is also obligated to pay an annual administration fee of $0.1
million on the first, second and third anniversary of the agreement date. Additionally, the Company may become obligated to
make payments to the parties of up to an aggregate of £19.9 million ($26.8 million at December 31, 2021) upon the
achievement of specified regulatory milestones as well as royalties ranging from low to mid-single-digit percentage on net
sales of the applicable gene therapy product.

The Company recorded nil and $0.1 million of research and development costs in respect of the UCLB/UCLA license
agreement associated with the annual administrative fee for the years ended December 31, 2021 and 2020.

In June 2021, the Company terminated the license to its OTL-101 program for ADA-SCID, which was granted pursuant to
the UCLB/UCLA license agreement. Except for the termination of such license, the UCLB/UCLA license agreement
continues in full force and effect.

Unless terminated earlier by either party, the UCLB/UCLA license agreement will expire on the 25th anniversary of the
agreement.

Oxford BioMedica license, development and supply agreement

In November 2016, and as amended in June 2017, May 2018, July 2018, September 2018, May 2019 and April 2020, the
Company entered into an arrangement with Oxford BioMedica whereby Oxford BioMedica granted an exclusive intellectual
property license to the Company for the purposes of research, development, and commercialization of collaboration products,
and will provide process development services, and manufacture clinical and commercial GMP-grade lentiviral vectors to the
Company (“Oxford BioMedica Agreement”). As part of the consideration to rights and licenses granted under the Oxford
BioMedica Agreement, the Company issued 588,220 ordinary shares to Oxford BioMedica. The Company is also obligated
to make certain development milestone payments in the form of issuance of additional ordinary shares if the milestones are
achieved. In November 2017, the first milestone was achieved, and the Company was committed to issue another 150,826
ordinary shares, and issued these shares in 2018. In September 2018, the second and fourth milestones were achieved, and the
Company issued 150,826 ordinary shares. In April 2020, the fifth milestone was deemed to have been met upon execution of
the amended agreement in April 2020, and the Company issued 75,413 ordinary shares to Oxford BioMedica with a total
value of $0.8 million, which was expensed to research and development expense. No milestones were met during the year
ended December 31, 2021.

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The Company may also pay low single-digit percentage royalties on annual net sales of collaborated product generated under
the Oxford BioMedica Agreement.

16. Collaboration agreement with Pharming Group N.V.

Overview

On July 1, 2021, the Company entered into a strategic collaboration with Pharming Group N.V. (“Pharming”) to research,
develop, manufacture, and commercialize OTL-105, an investigational ex vivo autologous HSC gene therapy for the
treatment of hereditary angioedema (HAE), a life-threatening rare disorder that causes recurring swelling attacks in the face,
throat, extremities and abdomen (the “Collaboration Agreement”).

Under the terms of the Collaboration Agreement, Pharming was granted worldwide rights to OTL-105 and will be
responsible for clinical development, regulatory filings and commercialization of the investigational gene therapy, including
associated costs. The Company will lead the completion of IND-enabling activities and oversee manufacturing of OTL-105
during preclinical and clinical development, which will be funded by Pharming. In addition, both the Company and Pharming
will explore the application of non-toxic conditioning regimen for use with OTL-105 administration.

The Company received an upfront payment of $10.0 million in cash from Pharming. The Company is also eligible to receive
up to $189.5 million in development, regulatory and sales milestones as well as mid-single to low double-digit percentage
royalty payments on future worldwide sales.

Share Purchase Agreement

The Company also entered into a Share Purchase Agreement with Pharming on July 1, 2021 (the “SPA”), pursuant to which
the Company issued 1,227,738 ordinary shares to Pharming for total consideration of $7.5 million. The consideration is
payment for the fair value of ordinary shares with a fair value of $4.1 million plus a $3.4 million premium on the fair value of
the Company’s ordinary shares.

The “Collaboration Agreement” and the “SPA” are referred to together as the “Pharming Agreements.”

Accounting Analysis

At the commencement of the arrangement, two units of accounting were identified, which are the issuance of 1,227,738 of
the Company’s ordinary shares as part of the SPA, and the license and collaboration agreement, which conveys the license
and provides for the Company to provide research, development, manufacturing services for OTL-105. The Pharming
Agreements were entered into concurrently as part of a single commercial objective, and the Company considers them a
single arrangement for accounting purposes. The total upfront payments of $17.5 million are comprised of $4.1 million
attributed to the equity sold to Pharming and $13.4 million attributed to the Collaboration Agreement. In determining the fair
value of the common stock issued to Pharming as part of the SPA, the Company used an option pricing valuation model to
take into consideration certain holding period restrictions on the shares. The fair value of the Company’s common shares was
considered a level 2 fair value measurement within the fair value hierarchy. The most significant assumptions within the
model are the Company’s stock price, the term of the restrictions and the stock price volatility, which is based upon historical
volatility of the Company’s stock. Based on the fair value adjustments made by management, the fair value of the shares
issued was determined to be $4.1 million with the excess proceeds of $3.4 million being allocation to the Collaboration
Agreement.

The Company recognizes revenue under Accounting Standards Codification (“ASC”) 606, Revenue from Contracts with
Customer (“ASC 606”). The Company has concluded that the conveyance of the license for the HAE program and the
provision of research, development, and manufacturing services for the HAE program represent a series of distinct services
that are accounted for as a single performance obligation within the Collaboration Agreement. The Company determined that
the transaction price includes: the non-refundable up-front payment of $10.0 million, the $3.4 million in premium associated
with the SPA, and the variable consideration for estimated reimbursement payments at agreed upon contractual rates to be
received from Pharming for the Company’s on-going research, development, and manufacturing services. The potential
future variable consideration is associated with the reimbursement for research, development, and manufacturing services
provided by the Company to Pharming at agreed upon contractual rates which is the only remaining unsatisfied performance
obligation. The milestone payments included in the Collaboration Agreement are fully constrained, as a result of the
uncertainty regarding whether any of the associated milestones will be achieved and therefore, the Company determined that
it could not assert that it was probable that a significant reversal in the amount of cumulative revenue recognized will not

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occur. The total estimated cost of the research and development services reflect the nature of the services to be performed and
the Company’s best estimate of the length of time required to perform the services. The Company re-evaluates the transaction
price as of the end of each reporting period.

The Company also considered the existence of any significant financing component within the Pharming Agreements given
their upfront payment structure. Based upon this assessment, the Company concluded that the up-front payments were
provided for valid business reasons and not for the purpose of providing financing. Accordingly, the Company has concluded
that the upfront payment structure of the Pharming Agreements does not result in the existence of a significant financing
component.

The Company recognizes revenue associated with the performance obligation as the research, development and
manufacturing services are provided using an input method, based on the cumulative costs incurred compared to the total
estimated costs expected to be incurred to satisfy the performance obligation. The transfer of control to the customer occurs
over the time period that the research, development and manufacturing services are to be provided by the Company, and this
cost-to-cost method is, in management’s judgment, the best measure of progress towards satisfying the performance
obligation. Reimbursement for research, development, and manufacturing services are recognized as the costs are incurred
consistent with the cost-to-cost method. The Company's continuing obligations to provide research, development, and
manufacturing services is based on the results of such efforts, and the estimated costs associated with the remaining efforts
required to complete the performance obligations may change, which may materially impact revenue recognition. The
Company regularly evaluates and, when necessary, updates the costs associated with the remaining effort under the
Collaboration Agreement. Accordingly, revenue may fluctuate from period to period due to revisions to estimated costs,
resulting in a change in the measure of progress for the performance obligation, or if the transaction price changes due to
inclusion of any milestone payments that become unconstrained.

The following table summarizes research and development costs incurred and collaboration revenue recognized in connection
with the Company’s performance under the Collaboration Agreement:

Reimbursement revenue
Upfront and milestone payment revenue
Total

Year Ended December 31,

2021

2020

$

$

843
132
975

$

$

—
—
—

The Company had $0.8 million and nil due from Pharming included in accounts receivable as of December 31, 2021 and
December 31, 2020, respectively.

As of December 31, 2021, the Company had contract liabilities of $12.9 million, which is classified as either current or long-
term deferred revenue in the consolidated balance sheets based on the period over which this is expected to be recognized.
The deferred revenue balance represents the portion of the upfront payments received related to the performance obligation
that remains partially unsatisfied as of December 31, 2021.

17. Income Taxes

The components of net loss before income taxes for the years ended December 31, 2021 and 2020 are as follows:

U.K.
Non-U.K.
Net loss before income taxes

December 31,

2021

2020

$

$

(147,337) $
3,581
(143,756) $

(155,614)
2,904
(152,710)

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The provision for (benefit from) income taxes for the years ended December 31, 2021 and 2020 are as follows:

Current (benefit) provision
Federal—United States
State—United States
Other foreign
United Kingdom

Total current (benefit) provision
Deferred provision (benefit)
Federal—United States
State—United States
United Kingdom
Other foreign

Total deferred provision (benefit)
Total provision (benefit) for income taxes

December 31,

2021

2020

(1,025) $
334
388
—
(303)

1,099
(312)
—
344
1,131
828

$

1,107
189
230
—
1,526

(1,774)
(103)
—
(380)
(2,257)
(731)

$

$

The following table presents a reconciliation of income tax expense (benefit) computed at the UK statutory income tax rate to
the effective income tax rate as reflected in the consolidated financial statements:

Income taxes at United Kingdom statutory rate
Change in valuation allowance
Reduction in research expense for credits granted
Change in tax rates
Tax credits
U.S. Deduction for foreign derived intangible income
Permanent differences, including share-based compensation deduction shortfalls
U.S. state income taxes
Foreign rate differential

Total provision (benefit) for income taxes

$

$

December 31,

2021

2020

(27,313) $
59,691
6,674
(38,785)
(2,232)
(196)
2,863
17
109
828

$

(29,015)
29,302
8,435
(8,105)
(1,369)
(1,254)
1,265
68
(58)
(731)

The Company’s income tax expense for the year ended December 31, 2021, compared to the year ended December 31, 2020,
increased primarily related to shortfalls related to share-based compensation that is not deductible for tax purposes and a
reduction of the U.S. deduction for foreign derived intangible income (“FDII”), offset by an increase in the benefit from U.S.
federal research and development tax credits.

During 2021, the U.K. Government announced that from April 1, 2023, the corporation tax rate would increase to 25%. This
new law was enacted on June 10, 2021. The overall effect of the change was an increase in net deferred tax assets by $38.8
million and an increase in valuation allowance by an equal amount.

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The Company accounts for income taxes in accordance with ASC Topic 740. Deferred income tax assets and liabilities are
determined based upon temporary differences between the financial reporting and tax bases of assets and liabilities and are
measured using the enacted tax rates and laws that will be in effect when the differences are expected to reverse. The
following table presents the principal components of the Company’s deferred tax assets and liabilities as of December 31,
2021 and 2020:

Deferred tax assets

Net operating loss carryforwards
Amortization
Research and development credits
Share-based compensation
Accruals
Lease liability
Property and equipment
Other

Total deferred tax assets
Valuation allowance
Fixed assets and right-of-use asset

Other non-current assets (net deferred tax assets and liabilities)

December 31,

2021

2020

$

$

126,563
25,206
2,449
9,353
798
6,444
1,022
—
171,835
(161,573)
(6,176)
4,086

$

$

75,502
22,599
1,564
7,400
1,001
6,805
523
3
115,397
(103,890)
(6,288)
5,219

For the years ended December 31, 2021 and 2020, the Company had cumulative tax-effected UK net operating loss

carryforwards of approximately $126.6 million and $75.1 million, respectively. UK losses not surrendered may be carried
forward indefinitely, subject to numerous utilization criteria and restrictions and are fully offset by a valuation allowance.
For the years ended December 31, 2021 and 2020, the Company also had U.S. federal orphan drug tax credits of $0.6 million
and $0, respectively, and U.S. state research and development tax credits of $2.4 million and $2.0 million. The U.S. federal
orphan drug tax credits expire in 2041, while the U.S. state research and development credits may be carried forward
indefinitely and are offset by a valuation allowance.

In measuring the Company’s deferred tax assets, the Company considers all available evidence, both positive and negative, to
determine whether, based on the weight of that evidence, a valuation allowance is needed for all or some portion of the
deferred tax assets. Significant judgment is required in considering the relative impact of the negative and positive evidence,
and weight given to each category of evidence is commensurate with the extent to which it can be objectively verified. The
more negative evidence that exists, the more positive evidence is necessary, and the more difficult it is to support a
conclusion that a valuation allowance is not needed. Additionally, the Company utilizes the "more likely than not" criteria
established in FASB ASC Topic 740 to determine whether the future tax benefit from the deferred tax assets should be
recognized. As a result, the Company has established valuation allowances on the deferred tax assets in jurisdictions that
have incurred net operating losses and in which it is more likely than not that such losses will not be utilized in the
foreseeable future.

As of each reporting date, the Company considers new evidence, both positive and negative, that could impact the
Company’s view with regard to future realization of our deferred tax assets. Management has considered the Company’s
history of cumulative net losses in the UK, along with estimated future taxable income and has concluded that it is more
likely than not that the Company will not realize the benefits of its UK deferred tax assets and U.S. state research and
development tax credits. Accordingly, the Company has maintained a full valuation allowance against these net deferred tax
assets as of December 31, 2021 and 2020, respectively.

Changes in the valuation allowance for deferred tax assets during the years ended December 31, 2021 and 2020 related
primarily to the increase in UK net operating loss carryforwards as follows:

December 31,

2021

2020

$

$

(103,890) $
(59,691)
2,008
(161,573) $

(70,153)
(29,302)
(4,435)
(103,890)

Valuation allowance as of beginning of year

Increases recorded to income tax provision
Effect of foreign currency translation

Valuation allowance as of end of year

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The Company applies the authoritative guidance on accounting for and disclosure of uncertainty in tax positions, which
requires the Company to determine whether a tax position of the Company is more likely than not to be sustained upon
examination, including resolution of any related appeals of litigation processes, based on the technical merits of the position.
For tax positions meeting the more likely than not threshold, the tax amount recognized in the financial statements is reduced
by the largest benefit that has a greater than fifty percent likelihood of being realized upon the ultimate settlement with the
relevant taxing authority. There were no material uncertain tax positions as of December 31, 2021 and 2020.

The Company will recognize interest and penalties related to uncertain tax positions in income tax expense. As of December
31, 2021, and 2020, the Company had no accrued interest or penalties related to uncertain tax positions and no amounts have
been recognized in the Company’s statement of operations.

The Company and its subsidiaries file income tax returns in the UK, the U.S., and various foreign jurisdictions. Generally,
the tax years 2017 through 2021 remain open to examination by the major taxing jurisdictions to which the Company is
subject. To the extent the Company has tax attribute carryforwards, the tax years in which the attribute was generated may
still be adjusted upon examination by the federal, state, or foreign tax authorities, if such tax attributes are utilized in a future
period.

18. Commitments and Contingencies

Lease commitments

The Company leases office and laboratory space and has an embedded lease at AGC. Refer to Note 11, Leases, for further
information on the terms of the lease agreements.

Manufacturing and technology development master agreement with AGC

On July 2, 2020, the Company entered into the AGC Agreement, pursuant to which AGC will develop, manufacture and
supply certain viral vectors and conduct cell processing activities for certain Company development and commercial
programs. Under the terms of the AGC Agreement, the Company is obligated to pay AGC for a minimum product
manufacturing commitment, dedicated manufacturing and development resources, and for a lease component associated with
the right of use of exclusive manufacturing suites within AGC’s existing facilities. The following table outlines the annual
commitments associated with the contract, as of December 31, 2021:

Due in:

2022
2023
2024
2025
2026
Thereafter

Product
manufacturing
commitments
(1)

Dedicated
manufacturing
and
development
resources (2)

Exclusive
transduction
suites (3)

Total AGC
Commitment

2,627
3,051
3,051
1,525
—
—
10,254 $

8,379
7,831
7,831
3,915
—
—
27,956 $

2,626 $
3,079
3,079
1,539
—
—
10,323 $

13,632
13,961
13,961
6,979
—
—
48,533

Total manufacturing commitments
*Tabular disclosure above has been translated to U.S. Dollar, from Euro, using an exchange rate of €1.00 to $1.13.

$

(1) The minimum product manufacturing commitments may be increased to the mid-seven figures per contract year upon
achievement of certain milestones.
(2) The Company may increase or decrease the usage of dedicated development services on a rolling basis with between six
and 12-months’ prior written notice to AGC. The above table assumes continued usage of dedicated development services at
current rates.
(3) Refer to Note 11 for further information on the embedded operating lease agreement

The AGC Agreement has an initial term of five years, beginning on the Effective Date and ending July 2, 2025. The AGC
Agreement may be extended for an additional two years by mutual agreement of the Company and AGC. The Company has
the right to terminate the AGC Agreement at its discretion upon 12-month’s prior written notice to AGC, and beginning no
earlier than July 2, 2022, AGC has the right to terminate the AGC Agreement at its discretion upon 24-month’s prior written

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notice to the Company. Each party may terminate the AGC Agreement upon prior notice to the other party for an uncured
material breach that the breaching party does not cure within the notice period.

Other funding commitments

The Company has entered into several license agreements (see Note 15). In connection with these agreements the Company
is required to make milestone payments and annual license maintenance payments or royalties on future sales of specified
products.

Consulting Agreement

In December 2019, the Company entered into a consulting agreement with non-employee advisor whereby the Company is
obligated to make cash payments of $0.1 million per year and to issue up to 91,034 ordinary shares, which vest annually over
a four-year period, and 92,035 ordinary shares upon attainment of certain clinical development and regulatory milestones. In
December 2021 and 2020, the Company issued 22,758 ordinary shares associated with the service condition.

During the years ended December 31, 2021 and 2020, the Company recorded $0.3 million and $0.3 million in research and
development expense associated with the share-based awards with service conditions. During the years ended December 31,
2021 and 2020, no expense was recorded associated with the performance-based conditions.

Legal proceedings

The Company is not a party to any litigation and does not have contingency reserves established for any litigation liabilities.

19. Benefit Plans

The Company makes contributions to private defined contribution pension plans on behalf of its employees. The Company
matches its employee contributions up to six percent of each employee’s annual salary based on the jurisdiction the
employees are located. The Company paid $1.7 million and $1.6 million, in matching contributions for the years ended
December 31, 2021 and 2020, respectively.

20. Related-party Transactions

GSK

In April 2018, the Company completed the GSK Agreement with subsidiaries of GSK (See Note 14). As consideration under
the agreement the Company paid an upfront fee of $14.2 million, purchased inventory of $6.9 million, paid $0.8 million in
transaction costs, and issued 12,455,252 convertible preferred shares valued at $93.4 million. Additionally, as part of the
GSK Agreement, the Company obtained, and is responsible for maintaining the commercial availability of Strimvelis. The
Company recorded a loss provision of $18.4 million associated with the agreement, as the costs to maintain Strimvelis are
expected to significantly exceed revenues. The issuance of the convertible preferred shares made GSK a principal shareholder
in the Company. As of June 16, 2021, GSK no longer had a right to nominate and appoint a designee to the Company’s board
of directors, and GSK is no longer considered a related party.

As of December 31, 2020, the Company had accounts payable and accrued expenses due to GSK of $0.1 million. During the
year-ended December 31, 2020, the Company entered into a global license agreement with GSK for use of their lentiviral
stable cell line technology whereby the Company recorded $1.2 million of in-process research and development expense
associated with upfront payments made to GSK. During the year-ended December 31, 2020, the Company made $5.8 million
in payments on accounts payable due to GSK associated with milestones, clinical inventory, and royalties.

21. Subsequent events

On March 30, 2022, the Company announced a proposed reduction of its workforce of approximately 30%, subject to a
consultation process with certain employees in the United Kingdom. The Company estimates that it will incur aggregate
charges of approximately $2.5 million in the first and second quarters of 2022 as a result of the restructuring, consisting of
one-time cash expenditures for severance and employee termination-related costs. The Company also announced that it
would discontinue its investment in and seek alternatives for OTL-102 for treatment of X-CGD, OTL-103 for treatment of
WAS and Strimvelis.

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