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Disclaimer and other information

This report contains the information required under Belgian law.

Galapagos NV is a limited liability company organized under the laws of Belgium, with its registered office at Generaal De Wittelaan L11 A3, 2800 Mechelen, Belgium and registered with the Crossroads Enterprise Database (RPR Antwerp – division Mechelen) under number 0466.460.429. Throughout this report, the term “Galapagos NV” refers solely to the non-consolidated Belgian company, and references to “we,” “our,” “the group” or “Galapagos” include Galapagos NV together with its subsidiaries.

This report is published in Dutch and English. Galapagos will use reasonable efforts to ensure the translation and conformity between the Dutch and English versions. In case of inconsistency between the Dutch and English versions, the Dutch version shall prevail.

This document is the PDF version of the report, and is a free translation (for information purposes only) of the official Dutch language version in the European single electronic format (ESEF) of the Annual Report 2022. The official Dutch language ESEF version of the report is available on our website (www.glpg.com). Please note that the official ESEF version takes precedence over this PDF version.

This report, as well as the statutory financial statements of Galapagos NV, are available free of charge and upon request to be addressed to:

Galapagos NV
Investor Relations
Generaal De Wittelaan L11 A3 
2800 Mechelen, Belgium
Tel: +32 15 34 29 00
E-mail: ir@glpg.com

A digital version of this report, as well as the statutory financial statements of Galapagos NV, are available on our website (www.glpg.com).

We will use our reasonable efforts to ensure the accuracy of the digital version, but do not assume responsibility if inaccuracies or inconsistencies with the printed document arise as a result of any electronic transmission. Therefore, we consider only the printed version of this report to be legally valid. Other information on our website, or on other websites, does not form a part of this report.

As a U.S. listed company, we are also subject to the reporting requirements of the U.S. Securities and Exchange Commission, or SEC. An annual report will be filed with the SEC on Form 20-F. The Form 20-F is available in the SEC’s EDGAR database (https://www.sec.gov/edgar.shtml), and a link thereto is posted on our website.

With the exception of filgotinib’s approval as Jyseleca® for the treatment of moderate to severe rheumatoid arthritis and ulcerative colitis by the European Commission, Great Britain’s Medicines and Healthcare products Regulatory Agency, and the Japanese Ministry of Health, Labour and Welfare, our drug candidates mentioned in this report are investigational; their efficacy and safety have not been fully evaluated by any regulatory authority.

Jyseleca® is a trademark of Galapagos NV and Gilead Sciences, Inc. or its related companies.

Forward-looking statements

This report contains forward-looking statements, all of which involve certain risks and uncertainties. These statements are often, but are not always, made through the use of words or phrases such as “believe,” “anticipate,” “expect,” “intend,” “plan,” “seek,” “upcoming,” “future,” “estimate,” “may,” “will,” “could,” “would,” “potential,” “forward,” “goal,” “next,” “continue,” “should,” “encouraging,” “aim,” “progress,” “remain,” “explore,” “initial,” “promising,” “deliver,” “target,” “further,” as well as any similar expressions. Forward-looking statements contained in this report include, but are not limited to, statements made in the sections captioned “Letter from our CEO and Chairman”, “Corporate and Operational Performance”, and “Portfolio” of this report, the guidance from management regarding our financial results and expected operational use of cash and estimated peak sales for Jyseleca® during the financial year 2023, statements regarding our strategic and capital allocation priorities, statements regarding the acquisitions of CellPoint and AboundBio, including statements regarding anticipated benefits of the acquisitions and the integration of CellPoint and AboundBio into our portfolio and strategic plans, statements regarding our regulatory outlook, statements regarding preliminary, interim and topline data from the ATALANTA-1, EUPLAGIA-1, MANGROVE, FILOSOPHY, CALOSOMA, SEA TURTLE, GALARISSO, and LADYBUG-studies and any other data or analyses related to CD19 CAR-T, and our plans and strategy with respect to such studies, statements regarding the timing and likelihood of business development projects and external innovation, statements regarding the amount and timing of potential future milestones, opt-in, royalty or other payments, statements regarding our R&D-plans, strategy, and outlook, including progress on our immunology or oncology-portfolio, our CAR-T-portfolio, or our SIKi-portfolio, and any potential changes in such strategy, statements regarding our pipeline and complementary technology platforms faciliting future growth, statements regarding our strategic re-evaluation, including our ambition by 2028, statements regarding our commercialization efforts for filgotinib, our product candidates, and any of our future approved products, statements regarding our expectations on commercial sales of filgotinib and any of our product candidates (if approved), statements regarding our collaboration with Lonza, statements regarding the global R&D-collaboration with Gilead, and the amendment of our arrangement with Gilead for commercialization and development of filgotinib, statements regarding the expected timing, design and readouts of ongoing and planned preclinical studies and clinical trials, including, but not limited to, with (i) filgotinib in RA, UC and AxSpA, (ii) with GLPG3667 in SLE and DM, (iii) compounds from our SIKi-portfolio, (iv) GLPG2737 in ADPKD, (v) GLPG5101 in rrNHL and rSLE, (vi) GLPG5201 in rrCLL and rrSLL, (vii) GLPG5301 in rrMM, and (viii) with the next-generation CAR-Ts and bispecific antibodies, including recruitment for trials and topline results for trials and studies in our portolio, statements related to the EMA’s safety review of JAK inhibitors used to treat certain inflammatory disorders, including filgotinib, initiated at the request of the European Commission (EC) under article 20 of Regulation No 726/2004, and regarding the related CHMP opinion and the related EC's decision, statements about the European label update based on testicular function safety data from the MANTA/MANTA RAy-studies and regarding the related CHMP opinion, statements relating to interactions with regulatory authorities, statements relating to the timing or likelihood of additional regulatory authorities’ approval of marketing authorization for filgotinib for RA, UC or other indications, such additional regulatory authorities requiring additional studies, and the timing or likelihood of pricing and reimbursement interactions for filgotinib, statements relating to the development of our commercial organization, commercial sales, and rollout of our products or product candidates (if approved), statements related to the expected reimbursement for Jyseleca®, statements regarding the preparations for the Phase 2 programs with our TYK2 inhibitor product candidate, GLPG3667, and the timing for the start of a study in SLE, statements regarding the timing of clinical development with our CD19 CAR-T candidate, GLPG5101, in rSLE, statements regarding the progress of patient recruitment efforts in the European sites of the Phase 1/2 ATALANTA-1-study with our CD19 CAR-T candidate, GLPG5101, in rrNHL, as well as in the EUPLAGIA-1-study with our CD19 CAR-T candidate, GLPG5201, in rrCLL/SLL, and the timing for topline results from such studies, statements regarding the timing for expansion of, and patient enrolment in, the CAR-T-portfolio with a BCMA CAR-T product candidate, GLPG5301, in rrMM, statements regarding our "Forward, Sustainably" strategy and the related materiality assessment, statements regarding the changes in our leadership and expected resulting benefits, and statements regarding our strategy, portfolio goals, business plans, and sustainability plans. We caution the reader that forward-looking statements are based on our management’s current expectations and beliefs and are not guarantees of any future performance. Forward-looking statements may involve known and unknown risks, uncertainties and other factors which might cause our actual results, financial condition and liquidity, performance or achievements, or the industry in which we operate, to be materially different from any historic or future results, financial conditions, performance or achievements expressed or implied by such statements. Such risks include, but are not limited to, the risk that our beliefs, guidance, and expectations regarding our 2023 revenues, cash burn, operation expenses, or other financial may be incorrect (including because one or more of our assumptions underlying our revenue or expense expectations may not be realized), the risk that ongoing and future clinical trials may not be completed in the currently envisaged timelines or at all, the inherent risks and uncertainties associated with competitive developments, clinical trials, recruitment of patients, product development activities, and regulatory approval requirements (including, but not limited to, the risk that data from our ongoing and planned clinical research programs in RA, UC, AxSpA, SLE, DM, ADPKD, rSLE, NHL, CLL, rrMM, or any other indications or diseases, may not support registration or further development of our product candidates due to safety, or efficacy concerns, or any other reasons), risks related to the acquisitions of CellPoint and AboundBio, including the risk that we may not achieve the anticipated benefits of the acquisitions of CellPoint and AboundBio, the inherent risks and uncertainties associated with target discovery and validation, and drug discovery and development activities, the risk that the preliminary and topline data from the ATALANTA-1, EUPLAGIA-1, MANGROVE, FILOSOPHY, CALOSOMA, SEA TURTLE, GALARISSO, and LADYBUG-studies may not be reflective of the final data, risks related to our reliance on collaborations with third parties (including, but not limited to, Gilead and Lonza), the risk that the transition of the European commercialization responsibility of filgotinib from Gilead to us, will not have the currently expected results for our business and results of operations, the risk that estimates regarding our filgotinib development program and the commercial potential of our product candidates and our expectations regarding the costs and revenues associated with the transfer of European commercialization rights to filgotinib may be incorrect, the risk that we will not be able to continue to execute on our currently contemplated business plan and/or will revise our business plan, including the risk that our plans with respect to CAR-T may not be achieved on the currently anticipated timeline or at all, the risk that our projections and expectations regarding the commercial potential of our product candidates or expectations regarding the revenues and costs associated with the commercialization rights may be inaccurate, the risks related to our strategic transformation exercise, including the risk that we may not achieve the anticipated benefits of such exercise on the currently envisaged timeline or at all, the risk that we will be unable to successfully achieve the anticipated benefits from our leadership transition, the risk that we will encounter challenges retaining or attracting talent, the risks related to disruption in our operations, supply chain, or ongoing studies due to the conflict between Russia and Ukraine, the risks related to continued regulatory review of filgotinib following approval by relevant regulatory authorities, including by the EC and EMA, and the EMA’s safety review of JAK inhibitors used to treat certain inflammatory disorders, the risk that the EMA and/or other regulatory authorities determine that additional post-approval trials of filgotinib or any other product candidate that are approved in the future would be required, the risk that the EMA and/or other regulatory authorities may require that the market authorization for filgotinib in the EU be amended, the risk that the EMA and/or other regulatory authorities may impose JAK class-based warnings, the risk that the EMA’s and/or other regulatory authorities' safety review may negatively impact acceptance of filgotinib by patients, the medical community, or healthcare payors, and the risks and uncertainties related to the impact of the COVID-19 pandemic. A further list and description of these risks, uncertainties and other risks can be found in our filings and reports with the SEC, including in our most recent annual report on Form 20‐F filed with the SEC, and our subsequent filings and reports filed with the SEC. We also refer to the “Risk Factors” section of this report. Given these risks and uncertainties, the reader is advised not to place any undue reliance on any such forward-looking statements. In addition, even if our results, performance, financial condition and liquidity, or the industry in which we operate, are consistent with such forward-looking statements, they may not be predictive of results, performance or achievements in future periods. These forward-looking statements speak only as of the date of publication of this report. We expressly disclaim any obligation to update any such statements in this report to reflect any change in our expectations with regard thereto, or any change in events, conditions or circumstances on which any such statements is based, or that may affect the likelihood that actual results will differ from those set forth in any such statements, unless specifically required by law or regulation.

Autosomal dominant polycystic kidney disease, a disease where typically both kidneys become enlarged with fluid-filled cysts, leading to kidney failure. Other organs may be affected as well
Phase 1/2 study in relapsed/refractory non-Hodgkin lymphoma (rrNHL) with CD19/4-1BB CAR-T candidate, GLPG5101, manufactured at point-of-care
Axial spondyloarthritis (AxSpA)
Axial spondyloarthritis (axSpA) is a type of arthritis. It mostly causes pain and swelling in the spine and the joints that connect the bottom of the spine to the pelvis (sacroiliac joint). Other joints can be affected as well. It is a systemic disease, which means it may affect other body parts and organs. The disease tends to run in families
B cell maturation antigen (BCMA) is a member of the tumor necrosis factor receptor superfamily that plays an important role in regulating B-cell proliferation and survival. BCMA is central to the survival of multiple myeloma cells
Bispecific antibody
An antibody that binds to two different antigens
Phase 1 program with GLPG3970 in psoriasis
Chimeric antigen receptor T cells (also known as CAR-T cells) are T cells that have been genetically engineered to produce an artificial T cell receptor for use in immunotherapy
CD19 is a protein found on the surface of B-cells, a type of white blood cell. Since CD19 is a hallmark of B-cells, the protein has been used to diagnose cancers that arise from this type of cell - notably B-cell lymphomas
Committee for Medicinal Products for Human Use is the European Medicines Agency's (EMA) committee responsible for human medicines and plays a vital role in the authorization of medicines in the European Union (EU)
Chronic Lymphocytic Leukemia (CLL)
Chronic lymphocytic leukemia is the most common leukemia in adults. It is a type of cancer that starts in cells that become certain white blood cells (called lymphocytes) in the bone marrow. The cancer (leukemia) cells originate in the bone marrow and migrate to the bloodstream
A chemical substance, often a small molecule with drug-like properties
Dermatomyositis (DM)
Dermatomyositis is a rare inflammatory disease. Common symptoms include distinctive skin rash, and inflammatory myopathy, or inflamed muscles, causing muscle weakness
All activities required to bring a new drug to the market. This includes preclinical and clinical development research, chemical and pharmaceutical development and regulatory filings of product candidates
Process by which new medicines are discovered and/or designed. At Galapagos, this is the department that oversees target and drug discovery research through to nomination of preclinical candidates
European Commission
European Medicines Agency, in charge of European market authorization of new medications
EUPLAGIA-1 Phase 1/2 study with point-of-care manufactured CD19 CAR-T candidate, GLPG5201, in patients with replapsed/ refractory chronic lymphocytic leukemia (rrCLL) and small lymphocytic lymphoma (rrSLL), with or without Richter’s transformation (RT)
Effectiveness for intended use
Phase 4 program evaluating filgotinib in RA
Formerly known as GLPG0634, commercial name is Jyseleca®. Small molecule preferential JAK1 inhibitor, approved in RA and UC in Europe and Japan. Phase 4 studies are ongoing in both RA and UC
A compound evaluated in Phase 2 in ADPKD. This compound is part of the CF collaboration with AbbVie but Galapagos retained rights outside of CF
A TYK2 kinase inhibitor discovered by us, topline results from the Phase 1b in psoriasis reported in July 2021
A second generation anti-CD19/4-1BB CAR-T product candidate currently in Phase 1/2 study in rrNHL
A second generation anti-CD19/4-1BB CAR-T product candidate currently in Phase 1/2 study in rrCLL/SLL with or wthout RT
A BCMA CAR-T product candidate
The study of the immune system and is a very important branch of the medical and biological sciences. The immune system protects humans from infection through various lines of defence. If the immune system is not functioning as it should, it can result in disease, such as autoimmunity, allergy and cancer
Janus kinases (JAK) are critical components of signaling mechanisms utilized by a number of cytokines and growth factors, including those that are elevated in RA. Filgotinib is a preferential JAK1 inhibitor
Jyseleca® is the brand name for filgotinib
Phase 2 program with GLPG2737 in autosomal dominant polycystic kidney disease
A Phase 2 semen parameter trial with filgotinib in male patients with CD or UC
Major achievement in a project or program; in our alliances, this is usually associated with a payment
Non-Hodgkin's lymphoma (NHL)
Non-Hodgkin's lymphoma is a type of cancer that begins in the lymphatic system, which is part of the body's germ-fighting immune system. In non-Hodgkin's lymphoma, white blood cells called lymphocytes grow abnormally and form tumors throughout the body
Field of medicine that deal with the diagnosis, treatment, prevention, and early detection of cancer
Phase 1
First stage of clinical testing of an investigational drug designed to assess the safety and tolerability, pharmacokinetics of a drug, usually performed in a small number of healthy human volunteers
Phase 2
Second stage of clinical testing, usually performed in no more than several hundred patients, in order to determine efficacy, tolerability and the dose to use
Stage of drug research development, undertaken prior to the administration of the drug to humans. Consists of in vitro and in vivo screening, pharmacokinetics, toxicology, and chemical upscaling
Product candidate
Substance that has satisfied the requirements of early preclinical testing and has been selected for development, starting with formal preclinical safety evaluation followed by clinical testing for the treatment of a certain disorder in humans
Rheumatoid arthritis (RA)
A chronic, systemic inflammatory disease that causes joint inflammation, and usually leads to cartilage destruction, bone erosion and disability
Phase 2 program with GLPG3970 in ulcerative colitis
Securities and Exchange Commission in the US
Small cell lymphocyte leukemia (SLL)
Small cell lymphocyte leukemia is a type of B-cell non-Hodgkin lymphoma, where the SLL cancer is located in lymp nodes and/or the spleen
Systemic lupus erythematosus (SLE)
An autoimmune disease, with systemic manifestations including skin rash, erosion of joints or even kidney failure
Protein that has been shown to play a role in a disease process and that forms the basis of a therapeutic intervention or discovery of a medicine
Target discovery
Identification and validation of proteins that have been shown to play a role in a disease process
Ulcerative colitis (UC)
UC is an IBD causing chronic inflammation of the lining of the colon and rectum (unlike CD with inflammation throughout the gastrointestinal tract)