Investor Relations slides | March 2021 - Galapagos

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Investor Relations slides | March 2021 - Galapagos
Investor Relations slides | March 2021
Investor Relations slides | March 2021 - Galapagos
Disclaimer
This presentation c ontains forward-looking statements, inc luding (without limitation) statements conc erning the progress of our R&D and c linic al pipeline, our expec tatio ns
regarding commerc ial sales of Jy selec a, the global R&D collaboration with Gilead, the amendment of our arrangement with Gilead for the commerc ialization and
dev elopment o f Jyselec a, the timing and/or outco me o f the strategic re-evaluation and o f the c ash burn guidanc e 2021 , the amount and timing o f potential future opt-in
and/or roy alty payments by Gilead, interactions with regulatory autho rities, the timing or likelihood of additional regulatory authorities’ approv al of marketing authorizatio n
fo r filgotinib for RA, UC or any o ther indic ation, inc luding UC and IBD indic ation for Jy selec a in Europe, Japan, and the US, suc h additional regulatory authorities requiring
additional studies, the timing or likelihood o f reimbursement dec isio ns, the build-up o f our commerc ial organization fo r filgotinib, the impact o f COVID -19, our beliefs
regarding the inflammation market, and our strategy , business plans and foc us, the slides c aptioned ”Ready for an exc iting future,” “GLPG: strong fundamentals,” “Strong
R&D engine,” “Our appro ac h to innov atio n,” “D eep R&D pipeline,” “Innov ativ e pipeline,” “ Inflammation franc hise,” inc luding list of compounds, “Jy selec a,” “New agreement
fo r Jyselec a,” “EU5 inflammation market today,” "Jy selec a in RA," “Filgotinib’s expected newsflow ’21,” “Phase 3 FINC H program in RA,” “Filgotinib’s preferential JAK1
inhibitio n addresses inflammation…,” “Phase 3 SELEC TION program in UC ,” “D IVERGENC E in SBCD ,” “TYK 2,” “Toledo,” "Resto ring the Immune Balanc e," “Potential broad
applic ation in inflammation,” “Toledo po rtfo lio today ,” inc luding list o f c ompounds, “Promising and broad in v iv o activ ity,” “Ambitio us informed dev elopment strategy,”
“C linic al path,” “Paralle l POC studies,” “Fast trac king PsA with ‘3970,” “Toledo data pac kage conv inc es,” “Promising assets,” “Key newsflow Toledo,” “Fibrosis franc hise,”
inc luding list o f compounds, “C asting a wide net in IPF,” “IPF,” “PINTA Ph2 in IPF,” “PINTA Ph2 with ‘1205 in IPF,” “Gilead-Galapagos R&D c ollaboration,” “Jyselec a in
Europe,” “2020 in rev iew” and “2021 outloo k,” statements regarding the expected timing, design and readouts o f ongoing and planned c linic al trials, inc luding (without
limitatio n) (i) w ith filgo tinib in RA, UC , IBD , and other potential indic ations, (ii) w ith GLPG1205 and GLPG4716 in IPF, ( iii) w ith the Toledo program, (iv ) with GLPG3667 in
Pso, (v ) with GLPG555 in OA, (v i) MANTA/MANTA-Ray trials with filgotinib, and expectations regarding the c ommerc ial potential of our product c andidates. When used in
this presentation, the words “antic ipate,” “believ e,” “c an,” “could,” “estimate,” “expect,” “intend,” “is designed to,” “may,” “might,” “will,” “plan,” “potential,” “possible,”
“predic t,” “objectiv e,” “should,” and similar ex pressions are intended to identify forward-lo o king statements.
Fo rward-looking statements inv olv e known and unknown risks, unc ertainties and other factors whic h might c ause the actual results, financ ial c ondition, performanc e or
ac hiev ements of Galapagos, or industry results, to be materially different from any future results, financ ial c onditio ns, performanc e o r ac hiev ements ex pressed or implied
by such forward-looking statements. Amo ng the fac to rs that may result in differenc es are the inherent unc ertainties assoc iated with competitiv e dev elopments, c linic al
trial and product dev elopment ac tiv ities, regulatory approval requirements (inc luding that data from the c ompany's dev elopment programs may not support registration or
further development of its compounds due to safety , effic acy or other reasons, inc luding ziritax estat fo r IPF, SSc o r any other indic ation, and the unc ertainties relating to
the impac t of the C OVID -19 pandemic ), relianc e on third parties (inc luding Galapago s’ collaboration partner Gilead) and estimating the c ommerc ial potential o f its product
c andidates, inc luding Galapagos’ estimates regarding the commerc ial potential o f ziritax estat, and the possibility that Galapagos and Gilead may make a strategic dec ision
to discontinue development of ziritax estat and that ziritax estat may as a result nev er be succ essfully c ommerc ialized. A further list and description of these risks,
unc ertainties and other risks c an be found in Galapagos’ Sec urities and Exchange Co mmissio n (“SEC”) filing and repo rts, inc luding Galapagos’ most rec ent Form 20-F and
subsequent filings with the SEC . Giv en these unc ertainties, y ou are adv ised not to plac e any undue relianc e o n suc h forward-looking statements.
Exc ept for filgotinib's approv al for the treatment of RA by the European Commission and Japanese Ministry of Health, Labour and Welfare, our drug c andidates
are inv estigational; their effic ac y and safety hav e not been fully ev aluated by any regulatory authority and they are not y et approv ed fo r any use o utside of c linic al trials.
All statements herein speak only as of the release date o f this document. Galapagos ex pressly disc laims any obligation to update any statement in this doc ument to reflec t
any change in future dev elopment with respect thereto, any future results, or any change in ev ents, c onditions and/or c irc umstanc es, on which any statement is based,
unless spec ific ally required by law or regulation.
2
Under no c irc umstances may any c opy o f this presentation, if obtained, be retained, c opied or transmitted.
Investor Relations slides | March 2021 - Galapagos
Business case for growth

    Value creation   Build out    Capital for
    through          European     growth
    science          commercial
                     footprint

3
Investor Relations slides | March 2021 - Galapagos
Strong R&D engine

Value creation through science
• Target discovery engine
• Large pipeline of early-stage assets
Investor Relations slides | March 2021 - Galapagos
Target discovery approach
                                    High throughput
    Using core GLPG technology                                To identify novel targets
                                   screening platform

                                      Adenoviral knock-down
                                              library

                   Adenoviral KD
                                         High throughput
                      library
                                            screening

                                             Rescreen
       Phenotypic
     screening assay
                                            Validation

                                               Hits

5
Investor Relations slides | March 2021 - Galapagos
Our approach to innovation

• Novel targets
• Chemistry reinforced by biology
• Smart path to early clinical data

6
Investor Relations slides | March 2021 - Galapagos
Deep R&D pipeline

 • Novel targets
 • Chemistry reinforced by biology
 • Smart path to early clinical data                               10
                                           3
                                                                   clinical stage programs

                                           preclinical candidate

                          13               programs

     27                   programs in LO

     validated targets

* LO: Lead optimization

7
Investor Relations slides | March 2021 - Galapagos
Broad pipeline
Asset        Target        Preclinical                  Phase 1            Phase 2              Phase 3   Approval

Filgotinib   JAK1           CD Ph3 ongoing, submitted UC in EU, approved for RA in EU & Japan
‘3970        SIK2/3         Toledo, PoCs in 5 indications
‘3667        TYK2           Ph1b Pso
‘555         JAK1           Ph1b OA
‘4399        SIK3           Toledo
‘3121        JAK1/TYK2
‘4876        SIK2/3         Toledo
Other        >10 novel
‘1205        GPR84          Preparing for Ph2b in IPF
‘4716        Chitinase      Preparing for Ph2 in IPF
‘4586        Undisclosed
                                                                                                           Inflammation
'4605        SIK2/3         Toledo
                                                                                                           Fibrosis
Other        7 novel                                                                                       Kidney diseases
GLPG2737     CFTR           PCKD                                                                           Other
GLPG4059     Novel          Metabolic

 8
Inflammation
franchise

1st marketed product & maturing pipeline
• Jyseleca
• Toledo
• Other mechanisms
Inflammation franchise

Asset        Target      Preclinical      Phase 1        Phase 2    Phase 3       Approval
Filgotinib   JAK1        CD Ph3 ongoing, submitted UC in EU, approved for RA in EU & Japan
‘3970        SIK2/3      Toledo, PoCs in 5 indications
‘3667        TYK2        Ph1b Pso
‘555         JAK1        Ph1b OA
‘4399        SIK3        Toledo
‘3121        JAK1/TYK2
‘4876        SIK2/3      Toledo
 Other       >10 novel

 10
Jyseleca

1st marketed product
• GLPG launching commercially in RA in Europe
• Potential expansion to UC and CD, if approved
New agreement for Jyseleca

                         • Europe P&L share till YE '21

• Full European rights   • From '24: royalty 8-15% to      • GILD retains ex-Europe
                           GILD
• Transition YE '21                                        • Milestones & 20-30%
                         • No EU milestones to GLPG          royalties outside Europe

                         • GILD to pay €160M

                         Broader R&D collaboration unchanged
  12
Transition path
Market size

  ≈10%    No change to Belgium & NL

  ≈70%    EU5: Transfer of full business
          asap in ‘21

   ≈15%   Alpine, Nordics & Ireland: transfer
          by YE ‘21

   ≈5%    Rest of Europe: rights to GLPG

                        Transition to full European coverage by end 2021
    13
EU5 inflammation market today*

                                                                             UC
                                                    UC                       AS
                                                                            ≈0.8
                                                   ~0.8                     ~0.9
                                                                                                                                Ambition:
                                                                                                                                ≈€0.5B peak
                                                       CD                               EU5                               RA    sales
                                                      ≈1.7                                                               ≈3.2
                                                                                       €5.7B
                                                                                                                                8-12% market
                                                                                                                                share for
                                                                                                                                Jyseleca
                                                                    RA
                                                                   ~3.2
RA: rheumatoid arthritis; CD: Crohn’s disease; UC: ulcerative colitis
Source: IQVIA Analytic Link (MAT to Q2 2020) – est value by disease at ex mfr list prices. All biologics and tsDMARDs.
* U5 inflammation market accounts for approximately 68% of total EU market

14
Jyseleca in Europe
A profitable business case

                                                             ESTIMATES

         Peak sales (RA, UC, CD – 2nd half of 2020’s)         €500M

                  Contribution margin at peak                  50%
               (incl COGS, royalties, commercial expenses)

              Full commercial structure in place               2022

               Break-even product contribution                 2024

                         Patent exclusivity                    2035

15
Jyseleca in RA

                                                                                              Lasting activity
                         Differentiated                                                                                                                     Fast onset
                         safety profile

 Two doses approved in                                                                                                                                            Convenience
   Europe and Japan                                                                                                                                                  of oral

            Robust responses                                                                                                                                      Monotherapy

     Filgotinib is approved for RA in the EU and Japan and not approved for use in any other indication nor any other region.
     See the European Summary of Product Characteristics (SmPC) for Jyseleca, which includes contraindications and special warnings and precautions, available at www.ema.europa.eu.

16
Regulatory status Jyseleca® (filgotinib) in RA

     Approved in EU & Japan

     Received CRL in US
       • MANTA & MANTA-RAy results
       • filgotinib 200 mg risk/benefit

     Filed in EU for UC

               First shipments made in Germany & Netherlands

17
Filgotinib expected newsflow ‘21

              H1                   H2

     MANTA/RA-y W26          DIVERSITY recruited CD
     outcome
                             UC approval decision EC
     UC submission Japan
                             European commercial transition
     CHMP opinion UC         complete

     Commercial transition

18
Ulcerative colitis
(UC)
 Chronic inflammation of the
 large intestine
 Common symptoms:
 • Loose and urgent bowel movements
 • Bloody stool
 • Persistent diarrhea and abdominal
   pain

 Filgotinib is not approved in UC by any regulatory authority
UC disease burden is high

                               Feel the condition is controlling                                                                     Psychological impact of UC
                                          their lives
                100                                                                                                           100
                                                                                                                                       84*           82
                  80                                                                                                           80
                                                                                                                                                                 70
                                                                                                                                                                             62
Patients (%)

                  60               53*                                                                                         60
                                                                                                               44
                  40                                                                  37                                       40

                                                             19
                  20                                                                                                           20

                    0                                                                                                           0
                                 UC                      Asthma                  Migraine                   RA                      Worry about   Making life    Feel    Sometimes or
                               (n=451)                  (n=305)                  (n=305)                  (n=309)                    long-term       more     embarrassed always feel
                                                                                                                                       effects     stressful              depressed
               * p
Phase 3 SELECTION program in UC
                                                               Induction                                                       Maintenance
                                                               endpoints                                                        endpoints
                                 Baseline                       week 10                          Week 11                        week 58

                                                     200 mg                                                 200 mg

                                                                  Responders re-randomized

                                                                                                                                              Long term extension study
  Biologic-                                                                                                 Placebo
                                                     100 mg
  naïve
                                                     Placebo                                                100 mg

                                                                                                            Placebo
                                                     200 mg
  Biologic-
                                                     100 mg
  experienced
                                                                                                      Placebo responders
                                                     Placebo                                          remain on placebo
UEGW 2020 presentation
Filgotinib is not approved in UC by any regulatory authority
                                                                                             Non-responders/worsening of disease: go to LTE
21
SELECTION population

               Selected baseline                               Biologic-naïve cohort       Biologic-
               characteristics                                        n=659            experienced cohort
                                                                                             n=689

               Mayo Clinic Score ≥9                                     52%                   74%

               Previous exposure to
               TNFα & integrin                                          N/A                   51%
               receptor antagonist

UEGW 2020 presentation
Filgotinib is not approved in UC by any regulatory authority

22
SELECTION
Primary endpoint
Assessed at week 10 (induction) and week 58 (maintenance)

                                                                         EBS remission
                                                                          (derived from
                                                                          Mayo Clinical
     Endoscopic subscore                                                     Score)                Rectal bleeding
           0 or 1                                                                                    subscore 0

                                                                            ≥1 point
                                                               decrease in stool frequency from
                                                               baseline to achieve a subscore of
                                                                             0 or 1
UEGW 2020 presentation
Filgotinib is not approved in UC by any regulatory authority

23
SELECTION
Induction primary endpoint achieved
                                                                      EBS remission at week 10
                                              100
                         achieving Clinical

                                               80
                                                                                                                         Filgotinib 200 mg
                patientsAchieving

                                                                                                                         Placebo
                EBS remission

                                               60              Δ 10.8%
                Remission

                                                               p=0.0157
              Patients

                                                                                                              Δ 7.3%
                                               40
                                                                                                              p=0.0103
                                                       26.1
           % of
   Percent of

                                               20                         15.3
                                                                                                       11.5
                                                                                                                          4.2
                                                0
                                                          BIOLOGIC-NAÏVE
                                                            Biologic-naïve                            BIOLOGIC-EXPERIENCED
                                                                                                        Biologic-experienced

                                                    Filgotinib 100 mg did not meet primary endpoint in any cohort at week 10
UEGW 2020 presentation
Filgotinib is not approved in UC by any regulatory authority

24
SELECTION
Maintenance primary endpoint achieved
                                                                         EBS remission at week 58
                                                   100
                               achievingClinical

                                                    80
                            Achieving

                                                                      Δ 26%
                      EBS remission

                                                                      p
SELECTION
Sustained remission
                                                      Patients achieving remission at week 10 and week 58
                                                100
       Percent of Patients Achieving Clinical

                                                 80
                     % of patients

                                                 60
                    Remission

                                                                    Δ 13.0
                                                                    p=0.0024

                                                 40                                                  Δ 0.9
                                                                                                     p=0.7951

                                                 20
                                                         18.1
                                                                                          8.7               7.9
                                                                               5.1
                                                  0
                                                       Filgotinib          Placebo      Filgotinib          Placebo
                                                        200 mg                           100 mg

UEGW 2020 presentation
Filgotinib is not approved in UC by any regulatory authority

26
SELECTION
Remission at week 58
                                                      MCS remission = score ≤2 and no single subscore >1
                                                100
       Percent of Patients Achieving Clinical

                                                 80

                                                                    Δ 25.5
                     % of patients

                                                 60                 p
SELECTION
Endoscopic remission at week 58
                                                                        Mayo endoscopic subscore of 0
                                                100
       Percent of Patients Achieving Clinical

                                                 80
                     % of patients

                                                 60
                    Remission

                                                                    Δ 9.5
                                                                    p=0.0157                                 Δ 5.5
                                                 40                                                          p=0.1808

                                                 20      15.6                                    13.4
                                                                               6.1                                  7.9

                                                  0
                                                       Filgotinib          Placebo              Filgotinib          Placebo
                                                        200 mg                                   100 mg

UEGW 2020 presentation
Filgotinib is not approved in UC by any regulatory authority

28
SELECTION
Histologic remission at week 58

                                                100
       Percent of Patients Achieving Clinical

                                                 80
                                                                      Δ 24.9
                     % of patients

                                                                      p
SELECTION
Safety data
Induction trial safety results
 Events                                                                             Filgotinib 200 mg        Filgotinib 100 mg                         Placebo
 SAE in biologic-naïve patients                                                           1.2%                           4.7%                             2.9%
 SAE in biologic-experienced patients                                                     7.3%                           5.3%                             6.3%

Maintenance trial safety results
Events                                                    Filgotinib 200 mg               Placebo¹          Filgotinib 100 mg                        Placebo²
SAE                                                                          4.5%             -                         4.5%                              7.7%
Deaths*                                                                       2               -                             -                                -
*Two deaths were observed in the filgotinib 200 mg treatment group in the maintenance trial; one patient with pre-existing asthma died due to asthma exacerbation,
and the second patient with pre-existing atherosclerosis died due to left ventricular heart failure per autopsy report. Neither death was assessed as related to study drug
by the investigator.

 “Rates of serious infections, herpes zoster, venous thrombosis, pulmonary embolism and gastrointestinal perforation
 were low and comparable across treatment groups in both the induction and maintenance phases of the trial”

FILGO: filgotinib; PBO: placebo; SAE: serious adverse event
¹Placebo for filgotinib 200 mg group; ²Placebo for filgotinib 100 mg group
UEGW 2020 presentation
Filgotinib is not approved in UC by any regulatory authority.
30
DIVERGENCE 1 in small bowel CD

                                         Baseline                                            Week 10                                         Week 24

                                                    100mg filgotinib (n=40)*

                                                    200mg filgotinib (n=40)

                                                    Placebo (n=20)
                                                                                                                 Disease worsening
                                                        Non-responders

                                                                                                                           Long term extension
Small bowel CD (SBCD) is defined as disease located anywhere in the duodenum, jejunum or ileum
Non-responder: Subject who never achieves a ≥ 70 point CDAI reduction from baseline or CDAI < 150 at any point up to and including week 10
Disease worsening: A ≥ 100 point increase in CDAI score from the Week 10 value and CDAI score ≥ 220 points at 2 consecutive visits
*Recruitment for DIVERGENCE 1 was stopped prior to achievement of these targeted patient numbers

31
DIVERGENCE 1
Exploratory study of filgotinib in small bowel CD
                                       60

                                       40

          % patients achieving
           CDAI remission at
               week 10
                                       20

                                                               4/18         11/28                            8/28   26/71              10/44    60/128
                                          0
                                                      DIVERGENCE 1                                         FITZROY TNF-               FITZROY overall
                                                    75% bio-experienced                                  experienced cohort
                                                           Placebo               200mg                                      Placebo     200mg

Notes: data on file, CDAI remission = CDAI
TYK2
in inflammation
TYK2 inhibitor GLPG3667

     • Reversible kinase domain inhibitor
     • PK profile favorable for once daily dosing
     • Good PD activity in Ph 1
     • First indications: PsA & others

                         Aim to start DRF studies in 2021

34
Strong ex vivo PD activity in Ph1

                                                   INFa/pSTAT1 ↓                                                                                                 IL-6/pSTAT1 ↓
Change from baseline at D1

                                                                                                              Change from baseline at D1
                             0   0.5   1     3      6   12   24    0   0.5   1    3       6   12   24 hours                                0   0.5   1   3   6   12   24     0   0.5   1   3   6    12   24 hours

                                           Day 1                                 Day 10                                                              Day 1                                 Day 10

                                                                             Aim to start DRF studies in 2021
                       35
Toledo
in inflammation

 • Novel, SIK target
 • Dual action on inflammation
 • Preclinical models show strong activity
 • GLPG3970 in multiple PoC studies

 1Globa l Da t a ; 2 Nikpour e t a l C urr O pin R he uma tol. 2014; 3 De nt on e t a l La ncet
 2017
Can we make a difference?
% of responders
                                                       %
  100
                                                                                                          Psoriasis
   90
                                                                                                          PASI 90
   80                                                                                             Δ
   70
                                                                                                  Unmet
                                                                                                  need    Other
   60
                                                                                                          inflammatory
   50                                                                                                     diseases
   40

   30

   20

   10

    0
             2000          2002   2003
                                  2004   2006   2008   2010    2012   2014   2016   2018   2020

        Reference: Data on file                        Years
        37
Restoring the immune balance

38
Dual activity confirmed
In both macrophages & dendritic cells

                               TNF                IL-10

                                                           Fold increase
                % Inhibition

                                      [Toledo] M

39
Potential broad application in inflammation
         TNF              TNF
         IL-12 IL-10       IL-12 IL-10         IL-2
                                               IFN         TNF IL-10
         IL-1             IL-23

          MCs/M              DCs              T cells       B cells

                                                               Adaptive
     Innate
       Innate

                     Broad cellular activity with Toledo
                 on both innate and adaptive immune cells
40
Innovative chemistry

>3,000 molecules
synthesized                     >200 dedicated FTE years
                                      since 2014                                                                        SIK1   Optimization

10 chemical series
                                                          FTEs
investigated                    50
                                                                                            Optimization         SIK2

                                40

                                30
                                                                                               GLPG3970
                                                                                                                        SIK3   GLPG4399
Multiple selectivity profiles   20

                                10                                                                 GLPG4605
                                0
                                     2014   2015   2016    2017        2018   2019   2020             GLPG4876

4 patents filed, exemplifying                         CHEM       BIO
                                                                                                 GLPG4605
                                                                                                 GLPG4605
~ 1,000 compounds

   41
Robust activity in vivo in 3 IBD models

                                    DSS model         T-cell transfer model         MDR1 model

                                                                                                 *
     Disease activity index

                                                                                         ***

                                         ***    ***
             (AUC)

                                                                       ***
                                                                 ***

                                                      ###                     ###
                              ###

###p < 0.001
*p < 0.05; ***p < 0.001 (vs diseased)
AUC: area under the curve

42
Impacting both sides of the balance in vivo
                            Macrophage phenotypes in IBD colon tissue
                                     (T-cell transfer model)
                               M1 marker                 M2 marker
                                                              ***

                                     ***

                            Pro-inflammatory          Immunoregulatory
                           macrophage reduced        macrophage induced
***p
Toledo portfolio

Asset       Target   Preclinical   Phase 1   Phase 2   Phase 3    Approval
 ‘3970      SIK2/3
‘4399       SIK3
‘4876       SIK2/3

              Next
         compounds                                         Inflammation
                                                           Fibrosis

'4605      SIK2/3
   Next compounds

 44
Promising and broad in vivo activity

                             Immune-mediated inflammation models     Fibrosis models

                             IBD    Pso   PsA    RA     SLE     OA   SSc    IPF
     SIK2/3      GLPG3970                                2020

       SIK3      GLPG4399                                            2021

     SIK2/3      GLPG4605                 2021                       2021

     SIK2/3      GLPG4876                                2021

  Next SIK                                            2021 - 2022
compounds

     Activity demonstrated
     No activity

45
Dual activity confirmed ex vivo
                                                                                                              GLPG3970
                                                                                                    Phase 1
                                       Ex vivo analysis in whole blood, mean per treatment

                             TNF levels ↓                                                  IL-10 levels ↑
Change from baseline at D1

                                                              Change from baseline at D1
46
GLPG3970 activity in psoriasis model
                                           Pso model                                        Ear thickness model
                                        (IL-23-induced)
                                                          Day 5

                                     Healthy
                                     Diseased

                                                                  Ear thickness on day 5
                                     Pos Control
             Ear thickness

                                     GLPG3970
                                                                                                     ***   ***

                                                                                           ###

                                              Days

###p< 0.0        01
*p
Robust activity across arthritis models
                                                                                                    PsA model
                                                            CIA model                             IL-23-induced

                                                             ***

                                                                         Disease activity index
                                                                                                                  ***
                           Disease activity index

                                                                                 (AUC)score
                                   (AUC) score

                                                                   ***

                                                                          AUC clinical
                             AUC clinical

                                                                                                        ***

***p < 0.001 (vs. diseased)
CIA: collagen induced arthritis; PsA: psoriatic arthritis
AUC: area under the curve

48
Robust fibrosis activity in vivo
                                                     Therapeutic BLM model                                    Chronic GvHD model
                                                          lung fibrosis                                           skin fibrosis

                                                                             Fold change alpha-SMA staining
                                                                    *
                       Ashcroft histological score

                                                               *
                                                                                                                        ***

                                                                                                                              ***

                                                     #                                                        ###

###p< 0.001
*p
Ambitious, informed development strategy

     Psoriasis study generates rapid clinical data

     Accelerated path taken in PsA based on biology

     Rapid progression into Ph2 dose rangers, based on Ph1 PD fingerprints
     & cross-learnings

     Robust program in line with novel pharmacology, investment size, and
     development stage

                     Programmatic approach for acceleration to patients

50
Clinical path
                           PsA                           Phase 3
                                                      inflammatory
                            RA                           diseases
                            UC                           Fibrosis
        Pso                 CD
        UC                  AS
        RA
        SLE
                                                   Phase 3 + fibrosis
        pSS

                   Dose-range finding,
                  indication expansion

     Validating      Phase 2b dose-range finding
                     Phase 2 PoC new indication
51
Parallel Proof of Concept studies
                                                                                                             GLPG3970

                                                                               2020                 2021
            Disease area

            Psoriasis                                                              Cohort 6 weeks            CALOSOMA
            Ulcerative colitis                                                      PoC 6 weeks              SEA TURTLE
            Rheumatoid arthritis                                                    PoC 6 weeks              LADYBUG
            Systemic lupus erythematosus                                                               PoC   TAPINOMA
            Primary Sjögren’s syndrome                                                                 PoC   GLIDER

                                                                5 PoCs to investigate mode of action
                                                                     Toplines as of mid 2021*

* Timelines subject to delays due to global COVID-19 pandemic

52
Fast tracking psoriatic arthritis                                            GLPG3970

with ‘3970

                           2021           2022             2023    2024+
Disease area

  Psoriasis                Phase 1b
  Psoriatic arthritis                       Phase 2 DRF            Phase 3

                              Shortens timelines by 18-24 months
DRF = Dose-range finding

53
CALOSOMA Phase 1b in psoriasis

     Up to 21 days                       6 weeks                      Up to 2 weeks

                          GLPG3970, target active dose, oral (n=15)
       Screening                                                        Follow-up
                                       placebo (n=10)

                     • Adults with moderate/severe psoriasis
                       (baseline PASI≥12, BSA ≥10%)
                     • Evaluate safety/tolerability & efficacy GLPG3970 in psoriasis

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SEA TURTLE Phase 2 in ulcerative colitis

     Up to 21 days                       6 weeks                      Up to 2 weeks

                          GLPG3970, target active dose, oral (n=20)
       Screening                                                         Follow-up
                                       placebo (n=10)

                     • Adults with moderate/severe active UC
                       (treatment experienced)
                     • Key outcomes: Mayo clinical score, safety/tolerability,
                       PK & PD efficacy markers

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LADYBUG Phase 2 in rheumatoid arthritis

     Up to 21 days                        6 weeks                        Up to 2 weeks

                           GLPG3970, target active dose, oral (n=15)
       Screening                                                           Follow-up
                                        placebo (n=10)

                     • Patients with moderately/severely active RA &
                       inadequate response to MTX
                     • Evaluate effect on signs & symptoms of RA,
                       safety & tolerability, PK & PD efficacy markers

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Toledo data package convinces

     Target identification data

       Literature evidence        Confirmed dual mode of action
                                    Safety package for clinical
         Preclinical data                 development

          Phase 1 data

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Promising assets

                   Potential master switch for inflammation

                   Strong, broad IP protection

                   Phase 1 confirms mode of action

                   Safety package supports clinical plans

                   Smart path in clinical development

                   Head start on competition

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Key newsflow Toledo

                    2021                               2022

     Readout Ph1 GLPG4399                       Readout last 2 PoCs GLPG3970

     Readout first 3 PoCs GLPG3970              Readout first Ph2b

                                                Additional Ph1 readouts

             Aim to bring our innovation to patients as fast as possible

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Fibrosis franchise

Aiming for leadership in this underserved space
• Broad approach to pipeline in fibrosis
• GLPG1205 in preparation for Phase 2b
ISABELA discontinued

• Dose dependent mortality
• Efficacy below expectations
• All activities with ziritaxestat discontinued
• IPF pipeline: 4 development programs aimed at fibrosis

                Cash burn €517M; cash position ~€5.2B end of 2020
                     We remain committed to IPF and fibrosis
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Fibrosis franchise

     Asset    Target        Preclinical      Phase 1    Phase 2
     ‘1205    GPR84         Preparing for Ph2b in IPF
     ‘4716    Chitinase     Preparing for Ph2 in IPF
     ‘4586    Undisclosed
     '4605     SIK2/3       Toledo
      Other    7 novel

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Casting a wide net in IPF
Aim to cover wide spectrum of fibrosis biology

 Epithelium     Immune response:        Fibroblast    Extracellular matrix
   injury         macrophages           activation       accumulation

                GLPG1205             GLPG4586         GLPG target
                GLPG4716             2 GLPG targets   Ryvu program
                2 Toledo molecules
Idiopathic pulmonary
fibrosis (IPF)
Progressive lung fibrosis
leading to death

• 250k cases in US & EU
• 75k new cases every year
• Median survival 2-5 years pain
IPF market with large unmet needs

                                  2019 drug sales: $2.8B

                                                                                                                                      Nintedanib & pirfenidone
                                                                                                                                      have limitations
                                                                                                                                      • Slow FVC decline
                               Pirfenidone                              Nintedanib
                                                                                                                                      • Poor tolerability for patients
                                                                                                                                      • ~25% annual discontinuations

Sources: Global Data, Maher et al. BMC Pulmonary Medicine (2017) 17:124, sales figures from Roche (pirfenidone; Esbriet®) and Boehringer Ingelheim (nintedanib; Ofev®)
FVC: Forced vital capacity
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PINTA Phase 2 in IPF
                                      26 weeks
                        GLPG1205, 100 mg once daily (n=40)
     Screening                                                        Follow-up
                                    Placebo (n=20)

                   • 60 IPF patients on local standard of care
                   • Primary endpoint: forced vital capacity (FVC) at 26 weeks
                   • Secondary: safety, tolerability, broad range of
                     measurements, incl. functional respiratory imaging (FRI)
                   • Recruitment in 9 countries in Europe, North Africa, &
                     Middle East

                 Positive topline data, continuing into dose-ranger Ph2b
66
PINTA Ph2 with GLPG1205 in IPF

     • FVC effect
       consistent
       across strata

     • Ph2b dose
       range finder
       to start in ‘21

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Capital for growth

Solid financials
• Gilead R&D collaboration
• Balance sheet for R&D investment
Gilead-Galapagos R&D collaboration
10 years, independence anchored

Access to compounds,                                                                    $3.95B upfront plus opt-in fees
assays, libraries & expertise                                                           & milestones

Gilead option opportunity after Ph2b                                                    $1.5B equity investment¹,
                                                                                        25.5% share

                                                                                        20+% royalties US/RoW,
                                                                                        Galapagos full European rights
¹ Includes $1.1B equity investment at deal closing plus exercise of Initial Warrant A

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Cash & current financial investments

       5,780.8
                      28.3             -122.4                                 €M
                                                         -517.4
                                                                    5,169.3

        Dec-19    Cash proceeds      Fair value &       Cash burn   Dec-20
                   from capital       Currency
                     increases    translation effects
                      (warrant
                    exercises)

          Cash burn €517M; cash position ~€5.2B end of 2020
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Key financials FY ’20

                                                      Revenues:              €530.3M    (*)

                     • €228.1M revenue recognition for filgotinib + €16.2M royalties,
                     • €229.6M revenue recognition for the platform

                                                Operating costs:           - €708.9M    (*)

                     • Increase driven by filgotinib, Toledo and S,G&A

                                                        Net loss:           - €305.4M

                     • €134.2M net other financial expense

(*) Continuing operations (excluding Fidelta)

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Outlook

     Filgotinib                                  Readouts

     • Filing UC Japan                           •   Toledo POCs Pso/RA/UC
     • Outcome MANTA/RA-y                        •   ‘3667 (TYK2) Ph1b Pso
     • EU approval decision UC                   •   ‘555 (JAK1) Ph1b OA
     • DIVERSITY recruited CD

                         Cash burn guidance 2021 under review

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