Nanobodies® – creating better medicines Corporate Presentation – March 2014 Nanobodies® Inspired by nature Forward looking statements Certain statements, beliefs and opinions in this presentation are forward-looking, which reflect the Company or, as appropriate, the Company directors’ current expectations and projections about future events. By their nature, forward-looking statements involve a number of risks, uncertainties and assumptions that could cause actual results or events to differ materially from those expressed or implied by the forward-looking statements. These risks, uncertainties and assumptions could adversely affect the outcome and financial effects of the plans and events described herein. A multitude of factors including, but not limited to, changes in demand, competition and technology, can cause actual events, performance or results to differ significantly from any anticipated development. Forward looking statements contained in this presentation regarding past trends or activities should not be taken as a representation that such trends or activities will continue in the future. As a result, the Company expressly disclaims any obligation or undertaking to release any update or revisions to any forward-looking statements in this presentation as a result of any change in expectations or any change in events, conditions, assumptions or circumstances on which these forward-looking statements are based. Neither the Company nor its advisers or representatives nor any of its parent or subsidiary undertakings or any such person ’ s officers or employees guarantees that the assumptions underlying such forward-looking statements are free from errors nor does either accept any responsibility for the future accuracy of the forward-looking statements contained in this presentation or the actual occurrence of the forecasted developments. You should not place undue reliance on forward-looking statements, which speak only as of the date of this presentation. www.ablynx.com 2 Overview Technology Pipeline Nanobodies® Inspired by nature Company highlights Corporate • • • • Drug discovery and development company - Ghent, Belgium NYSE Euronext Brussels (ABLX) 49M shares outstanding (52M fully diluted) >300 employees Technology • • Pioneer in next generation biologics – Nanobodies® >500 granted and pending patents Products • • • ~30 programmes – seven in clinical development Two clinical proof-of-concepts >800 healthy volunteers and patients treated with Nanobodies • • AbbVie, Boehringer Ingelheim, Eddingpharm, Merck & Co, Merck Serono and Novartis >€320M in non-dilutive cash received to date • • €200.4M in cash at 31st December 2013 €20.0M net cash burn for the full year 2013 Partners Financials www.ablynx.com 4 Three-pronged strategy Fully funded programmes with milestones and royalties • • • • ~19 programmes in oncology, immuno-oncology, neurology, inflammation, pulmonology and bone disorders 6 discovery deals 3 licensing deals >€280M in cash received Co-discovery/ co-development partnerships • • • • 4 programmes in oncology, inflammation and osteoarthritis 50:50 ownership Potential to convert into licensing deals >€45M in cash received Wholly-owned product pipeline • • 7 programmes in inflammation, hematology, oncology and infection Aim to partner after clinical proof-of-concept has been achieved Balancing risk and reward www.ablynx.com 5 Nanobodies – proven single variable domain approach Camelidae family has both forms CH1 CL VH VL VHH VHH CH2 CH2 CH3 CH3 Ablynx’s Nanobody® • Small (1/10 size of a mAb) • Flexible formatting • Highly potent, robust and stable Conventional antibody Heavy-chain antibody • Heavy and light chains • Only heavy chains • Both chains required for antigen binding and stability • Full antigen binding capacity and very stable • Large size and relatively low formatting flexibility • Administered through injection www.ablynx.com • Broad target applicability • Multiple administration routes • Ease of manufacture • Speed of discovery 6 Nanobodies – uniqueness and competitive advantages Broad target applicability, including challenging targets such as GPCRs and ion channels Flexible formatting: multivalent, multi-specific, bi-paratopic Nanobodies in the clinic Robustness allows for alternative delivery such as nebulisation Half-life engineering technology to achieve desired properties (acute vs chronic diseases) (T1/2 from 2h to 20 days) Excellent manufacturing (yeast and bacteria), high concentration formulations and low viscosity (excellent syringeability) www.ablynx.com 7 Nanobody formatting - beyond antibodies and scaffolds Combine Nanobodies into multi-paratopic and multi-specific formats Targeting the same epitope on the same antigen Targeting different epitopes on the same antigen Targeting 2 or more different antigens Increased potency Increased specificity/ potency Increased potency/ specificity Cell killing Cell / Tissue-homing Customised half-life extension (hours / days / weeks) www.ablynx.com 8 Key Nanobody Advantage – Rapid and proven formatting to make multi-specifics Monovalent NBs against Different targets Clinical stage x2 x2 ~ 1 year Combinatorial libraries Formatting flexibility Preclinical POC x6 x2 x4 x3 x4 Pardoll, Nature Reviews Cancer (2012) 12:252-264 Rapid formatting of monovalent building blocks www.ablynx.com Proven experience Interfere with multiple pathways at once 9 Fully partnered 50% CoCo Fully owned Broad pipeline – internal and funded programmes Therapeutic area Product name Target Haematology Inflammation/ Immunology/ Infection caplacizumab vWF ozoralizumab Various TNFα Oncology Various Various Bone disorders ALX-0141 RANKL RSV Pulmonology ALX-0171 Various Various Oncology ALX-0751 Inflammation/ Immunology NA NA NA Oncology/Neurology Immunology Various Various Immunology ALX-0761 ALX-0061 Bone disorders ALX-0141 Neurology BI 1034020 NA Oncology NA Pulmonology NA Various NA NA Immuno-oncology Various www.ablynx.com Discovery Pre-clinical Phase I Phase II Phase III Filing ex Greater China Potential to evolve into at least 4 co-co programmes IL-17F/IL-17A IL-6R RANKL in Greater China Validated targets (clinic) 1st in class 10 Clinical assets Nanobodies® Inspired by nature Programmes in Phase II clinical development Anti-IL-6R – ALX-0061 – monovalent Nanobody with T1/2 extension • Phase II POC achieved in patients with RA • global exclusive licensing deal with AbbVie • Ablynx responsible for next phases of development • opportunity for differentiation in RA and SLE Anti-vWF – caplacizumab – bivalent Nanobody • potential Phase II POC in patients with acquired TTP(1) mid-year 2014 • first-in-class opportunity with Orphan Drug Status Anti-TNFα – ozoralizumab – bivalent Nanobody with T1/2 extension • Phase II POC achieved in patients with RA • on-going licensing discussions in emerging markets • exploring new routes of delivery with anti-TNFα Nanobodies www.ablynx.com (1) TTP: thrombotic thrombocytopenic purpura 12 ALX-0061 – compelling proof-of-concept Phase IIa results • Treatment showed strong efficacy and was well tolerated at all doses • No increase of adverse events upon extension of treatment • No anti-drug antibodies were detected www.ablynx.com 13 ALX-0061 – global licensing deal with AbbVie (Sept 2013) Ablynx received $175 million upfront; $665 million of potential total milestones plus double-digit royalties Ablynx will perform and fund subcutaneous Phase I study (2014) and Phase II studies in RA and SLE (start in 2015) AbbVie will pay a fee if they exercise the right to license ALX-0061 after the completion of Phase II studies • Phase II results in RA expected in 2016 • Phase II results in SLE expected in 2018 AbbVie is responsible for Phase III development, registration and global commercialisation Ablynx retains option to co-promote in Benelux www.ablynx.com 14 Caplacizumab in acquired TTP – unmet medical need Sudden onset: severe fatigue, headache, bizarre behaviour, vertigo, seizures, coma, etc. Incidence: 11.3 per million(1); 10,000 acute events p.a. in EU + US Healthy active adult Currently no drugs specifically approved to treat acquired TTP + caplacizumab Daily plasma exchanges in hospital until recovery of platelet count Diagnosis of TTP Caplacizumab on top of PEX could potentially result in: • • • www.ablynx.com fewer days and volume of PEX reduction in relapse/exacerbations improved longer term outcome (1) Oklahoma Registry 15 Caplacizumab – current status and next steps Confirmed biological activity and safety in the clinic Potential Phase II proof-of-concept (POC) results in June 2014 Positive data would allow further exploration of partnering opportunities Phase III trial could start in 2015 • planning a simpler study protocol compared to the Phase II trial Orphan drug status for the treatment of TTP in the US and Europe We believe approximately 10,000 patients present each year • there is no specific drug treatment available, only multiple plasma exchanges www.ablynx.com 16 Ozoralizumab – proof-of-concept and OLE study results Phase II proof-of-concept study N=253 Open-label extension (OLE) study N=266 % of patients % of patients Primary endpoint: ACR20 Pooled results • Ozoralizumab 80mg Q4W significantly improved ACR20 at week 16 • High ACR responses at week 48 www.ablynx.com 17 Ozoralizumab OLE – overall summary Treatment over 48 weeks was well tolerated (86% of patients completed the study) Adverse event rates within expectations and serious infections remain rare (i.e. 3 events in 100 patient years) High ACR20 rate (84%) at week 48 augmented by high translation to ACR50 and even ACR70 rates 61% of patients reached low or no disease activity during study including 38% of patients in DAS28 remission No clinically meaningful immunogenicity BD discussions focused on emerging markets www.ablynx.com 18 Programmes in Phase I clinical development Anti-RSV – ALX-0171 – 1st inhaled trivalent Nanobody • Phase I safety study in healthy volunteers successfully completed • additional Phase I studies on-going • first-in-infant study expected to start in H2 2014 • potentially transformational treatment for RSV infection in infants Anti-RANKL – ALX-0141 – bivalent Nanobody with T1/2 extension • Phase I study successfully completed • exclusively licensed to Eddingpharm in Greater China Anti-IL-17A/F – ALX-0761 – bi-specific Nanobody with T1/2 extension • pre-clinical POC achieved and Phase I study on-going • Merck Serono has an exclusive license to the programme Alzheimer’s – BI 1034020 • Phase I study initiated in October 2013 • Boehringer Ingelheim fully responsible for the programme www.ablynx.com 19 ALX-0171 to treat RSV infection in infants – unmet need ~310,000 children (< 5 years) hospitalised per year in the 7 major markets • increased medical cost in the 1st year following RSV(1) infection(2) • prolonged wheezing and risk for asthma development(3) The leading cause of infant hospitalisation and leading viral cause of infant death • ~3.5% mortality rate in hospitalised high-risk infants • estimated 400 deaths/year in US Evolves to distressing symptoms www.ablynx.com (1) Symptomatic treatment including inhaled corticosteroids & bronchodilator Respiratory Syncytial Virus (2) Shi et al., J Med Econ, 2011 (3) 8-20% hospitalised Sigurs et al., Thorax, 2010; Krishnamoorthy et al., Nature Medicine 2012 20 ALX-0171 – current status and next steps Pre-clinical POC recently achieved in neonatal lamb model • daily inhalation of ALX-0171 resulted in a strong reduction of viral titres in lung fluid and a marked reduction in inflammation in the lungs (viral lesions) • treatment with ALX-0171 also appeared to significantly improve various clinical signs and symptoms such as behavioural activity and general well-being First Phase I study successfully completed • inhalation of ALX-0171 was well tolerated and did not induce any significant clinically relevant adverse events or clinically significant changes in lung function • no bronchoconstriction, no dose-limiting toxicity or treatment-emergent local or systemic immunogenicity was observed Additional Phase I safety and PK studies on-going – results Q2 2014 Potential transformational treatment for RSV infection in infants www.ablynx.com 21 ALX-0141 – Phase I clinical study results Target: RANKL – opportunity in 120 bone disorders Objectives: safety, pharmacological profile, biological effective dose and 100 immunogenicity 80 42 women dosed in 6 dose levels60(sc injection) – 0.003 mg/kg to 1 mg/kg Well tolerated with no serious adverse events or dose limiting toxicity 40 20 4 out of 6 subjects showed statistically Following a single dose of 1mg/kg, significant suppression of the bone biomarker CTX-1 at 9 months 0 0 40 80 120 160 200 240 280 320 Serum CTX-1 (% of baseline) 140 ALX-0141 120 Placebo Series3 1 mg/kg 100 80 60 40 20 0 0 40 80 120 160 200 240 280 320 Time after dosing (days) www.ablynx.com RANKL: Receptor Activator of Nuclear factor Kappa-B Ligand 22 ALX-0141 – licensing deal with Eddingpharm Exclusive license to Eddingpharm in Greater China in all indications, including osteoporosis and bone metastases Eddingpharm responsible for clinical development, registration and commercialisation Ablynx gets access to clinical data generated by Eddingpharm to support potential licensing discussions in other regions Ablynx received €2 million at signing Ablynx entitled to potentially receive commercial milestone payments plus tiered, double-digit royalties of up to 20% on net sales First step in exploiting opportunities in emerging markets www.ablynx.com 23 ALX-0761 – bi-specific Nanobody with tailored half-life Rationale IL-17A is the most characterised IL-17 family member and IL-17F has similar activity and possibly even a non-redundant role in vivo Targeting both IL-17A and IL-17F could provide a more effective way to block inflammatory responses ALX-0761 Bi-specific half-life extended Nanobody that blocks both IL-17A and IL-17F Programme entered Phase I in healthy volunteers in H1 2013 First bi-specific Nanobody that entered the clinic Merck Serono has an exclusive license and pays milestones and royalties to Ablynx www.ablynx.com 24 ALX-0761 – proof-of-principle in animal RA model bone erosi on score Arthriti s scor e 20 60 40 20 0 -4 1 7 14 21 28 35 42 49 56 Time (Days) Vehicle ALX-0761 2.8mg/kg ALX-0761 10mg/kg 15 10 5 0 -6 1 8 15 22 29 36 43 50 Time (Days) ALX-0761 significantly improved clinical endpoints (arthritis score, bone erosion) in a cynomolgus monkey RA model(1) www.ablynx.com (1) Ablynx poster presentation at ACR 2013 (available on www.ablynx.com) 25 Bi-paratopic Nanobody with tailored half-life Pre-clinical model for Alzheimer’s: APP transgenic mice exhibit high levels of Ab peptide Bi-paratopic Nanobody is superior over bivalent antibody benchmarks in achieving efficient depletion of free Ab peptide levels in plasma fold reduction free Ab in plasma + half-life extension anti-Abeta APP transgenic mice 8-20 fold improvement* anti-Abeta N-terminus C-terminus t 0h dosing 2h measure free Ab Bi-paratopic half-life extended Nanobody binds to two different epitopes on amyloidbeta peptide (N-terminus and central) with extremly high affinity (≤1pM)* www.ablynx.com * WO 2011/107507 26 Partnerships Nanobodies® Inspired by nature Broad platform exploitation and cash generation • Global licensing deal with AbbVie for ALX-0061 (anti-IL-6R) in RA and SLE: $175M upfront and total potential value of $840M plus royalties • Strategic discovery alliance with Boehringer Ingelheim (8 pre-clinical programmes on-going) and a collaboration in Alzheimer’s (Phase I) • 4 discovery deals with Merck Serono: 10 programmes (1 Phase I) on-going in inflammation, immunology, oncology, immuno-oncology, neurology and osteoarthritis • 2 discovery deals with Merck & Co: ion channel deal in neurology; cancer immunotherapy deal with €20M upfront, €10.7M research funding and total potential milestones of up to €1.7bn plus royalties • Licensing deal with Eddingpharm in Greater China for ALX-0141 (anti-RANKL) in bone disorders • Target based discovery deal with Novartis >€320M in non-dilutive cash received from collaborators to date www.ablynx.com 28 Further building the clinical pipeline Potential number of partnered Nanobodies in the clinic up to 12 up to 7 3 2013 www.ablynx.com 2014 2015 29 Achievements 2013 Outlook 2014 Nanobodies® Inspired by nature 2013 has been transformational for Ablynx Business Development Clinical Trials • Strong Phase IIa results for anti-IL-6R Nanobody • Continued Phase II recruitment for TTP with caplacizumab (anti-vWF) • • • AbbVie: deal for ALX-0061 worth up to $840M in upfronts and milestones plus double-digit royalties • Merck Serono: signed the 4th discovery collaboration which could generate >€100M in cash over the next 6.5 years Merck Serono and BI initiated Phase I trials (inflammation; Alzheimer’s) Started additional Phase I studies with anti-RSV Nanobody www.ablynx.com • Eddingpharm: licensing of anti-RANKL Nanobody in Greater China Corporate Development • Strengthened management team and Board of Directors • Raised €31.5M through a private placement of new shares • 17 million VC shares successfully placed • Free float increased from 53% at the end of 2012 to 85% today TTP: thrombotic thrombocytopenic purpura 31 Evolution in the shareholder structure Listed on NYSE Euronext Brussels (ABLX) 49M shares outstanding 2.8M outstanding warrants Free float increased from 53% end 2012 to 85% today www.ablynx.com 32 Expected news flow for 2014 Expected Clinical Data • • Potential Phase II POC results with caplacizumab in acquired TTP Phase I results from sc study with ALX-0061 (antiIL-6R) • Phase I results from safety and PK studies with ALX0171 (anti-RSV) • Phase I results from BI for Nanobody for use in Alzheimer’s disease • Phase I results from Merck Serono for ALX-0761 (antiIL-17A/F) www.ablynx.com Start of Clinical Trials • Start of Phase I study with sc ALX-0061 (anti-IL-6R) • Start of Phase II paediatric study with ALX-0171 (antiRSV) • Preparation for start of Phase II RA and SLE studies with ALX-0061 (anti-IL-6R) in 2015 • Start of up to four partnered Phase I studies Business Development • Potential milestone payments from on-going collaborations • Potential additional collaborative deals 33 Value creation – clinical data expected from patient studies ALX-0061 Phase IIb sc (anti-IL-6R) in patients with RA Licensed to AbbVie 2013 Caplacizumab Phase II (anti-vWF) in patients with acquired TTP clinical ALX-0061 Phase IIa Wholly-owned asset iv (anti-IL-6R) in patients with RA ALX-0171 Phase I/II (anti-RSV) in infants with RSV infection ALX-0761 Phase IIa (anti-IL-17A/F) in patients with RA Wholly-owned clinical asset Licensed to Merck Serono Two partnered Phase I/II programmes in cancer Licensed to AbbVie www.ablynx.com 34 Investment highlights Proprietary Platform Broad Pipeline Nanobodies® – unique, powerful and broadly validated next generation biologics platform with >500 granted and pending patents ~30 programmes with 7 in the clinic with the potential for substantial growth in 2014 Clinical Data Two clinical POCs to date with the potential of six POCs by end-2016 >800 healthy volunteers and patients succesfully treated with Nanobodies Commercial Partnerships ~23 partnered programmes of which three in the clinic Potentially up to 12 programmes in the clinic in the next 3 years Strong Cash Position €200.4M in cash at 31st December 2013 €20.0M net cash burn for the full year 2013 www.ablynx.com 35 Contact Investor Relations: Edwin Moses - CEO Tel: +32 (0)9 262 00 07 edwin.moses@ablynx.com Marieke Vermeersch – Ass. Dir. Investor Relations Tel: +32 (0)9 262 00 82 marieke.vermeersch@ablynx.com @AblynxABLX Contact Media Relations: Mary-Jane Elliott, Amber Bielecka, Lindsey Neville Tel: +44 207 920 2345 ablynx@consilium-comms.com Ablynx Corporate Presentation – March 2014 Nanobodies® Inspired by nature