Ligand Pharmaceuticals Incorporated · NASDAQ:LGND

Ligand Pharmaceuticals — Merger or Acquisition (September 2009)

29 slides from Ligand Pharmaceuticals's merger presentation, Sep 10, 2009

  1. Slide 1: John L. Higgins, President and Chief Executive Officer

    Exhibit 99.1 John L. Higgins President and Chief Executive Officer Syed Kazmi, Ph.D. Business Development and Strategic Planning

  2. Slide 2: Safe Harbor Statement

    Safe Harbor Statement • The following presentation contains forward-looking statements regarding the proposed acquisition of Neurogen by Ligand, including projections regarding expectations for potential research and development payments, savings in operational costs, cash burn rates, timing of achi

  3. Slide 3: Additional Information and Where to Find It

    Additional Information and Where to Find It • Ligand intends to file with the SEC a Registration Statement on Form S-4, which will include a proxy statement of Neurogen and other relevant materials in connection with the proposed transaction. The proxy statement will be mailed to the stockholders of

  4. Slide 4: Fundamentals of a Strong Biotech Company

    Fundamentals of a Strong Biotech Company • Strong balance sheet • Spending discipline • Strong discovery capabilities and track record • Robust pipeline of partnerable assets • Revenue diversity Operating structure that has the potential to generate substantial cash flows and profitability 4

  5. Slide 5: Ligand Company Overview

    Ligand Company Overview • Company with great assets - Two royalty streams, plus two more royalty-bearing products recently approved - Ten pharma deals with over 21 development programs and over $600 million of potential milestones - Prolific drug discovery engine has produced multitudes of drug cand

  6. Slide 6: Ligand – Recent events

    Ligand – Recent events • Signed agreement to acquire Neurogen, public company with drug screening assets, cash, pipeline and a drug partnership • PROMACTA ® Phase I/II trial initiated with MDS • CONBRIZA™ approved in Europe for the treatment of osteoporosis • FABLYN® Approved in Europe for the treat

  7. Slide 7: Pending Neurogen Acquisition

    Pending Neurogen Acquisition Deal Ligand to acquire Neurogen (NRGN) Consideration Stock-for-Stock Acquisition Transaction Value $11 million in Ligand Common Stock, plus potential for Four Contingent Value Rights (CVR) CVRs - Net proceeds from sale of real estate - Net proceeds from sale of Aplindore

  8. Slide 8: Opportunity with Neurogen Acquisition

    Opportunity with Neurogen Acquisition • Acquire fully funded research partnership Merck VR1 program • Access pipeline assets Numerous opportunities including oral EPO and H3 antagonist • Leverage drug discovery capabilities of both companies Accelerated Intelligent Drug Design platform • Gain estima

  9. Slide 9: Partnership Highlights

    Partnership Highlights © LIGAND

  10. Slide 10: Significant Value in Royalty Partnerships

    Significant Value in Royalty Partnerships • Numerous deals with ten pharmaceutical companies • More than 21 different programs being pursued including the largest untapped markets Muscle wasting, COPD, thrombocytopenia, pain, asthma, Alzheimer’s • More than $600 million in potential R&D and mileston

  11. Slide 11: Pharmaceutical Partnerships

    Pharmaceutical Partnerships 11

  12. Slide 12: Combined Product Pipeline

    Combined Product Pipeline 12

  13. Slide 13: Collaboration Highlights

    Collaboration Highlights • PROMACTA approved for treatment of thrombocytopenia in patients with chronic & immune ITP in November 2008. • Two Phase III Hepatitis trials ongoing • Phase III trial in Chronic Liver Disease ongoing • Phase I/II MDS trial initiated Spring 2009 • Phase I Sarcoma trial ongo

  14. Slide 14: Thrombocytopenia - Causes of Disease

    Thrombocytopenia - Causes of Disease Thrombocytopenia is a condition in which there is an abnormally low level of platelets in the blood. • Decreased production of platelets Myelodysplastic syndrome Hepatitis C Cancer in the bone marrow (leukemia) Aplastic anemia • Increased destruction of platelets

  15. Slide 15: Medical Significance of Thrombocytopenia (US)

    Medical Significance of Thrombocytopenia (US) (Estimated markets) Potential Treatable Patients ITP ~60,000 Hepatitis C ~120,000 Chronic Liver Disease ~400,000 Myelodysplastic syndrome ~20,000 Leukemia / lymphoma ~50,000 Chemotherapy induced thrombocytopenia ~140,000 Intensive care unit – acquired ~5

  16. Slide 16: ParinGenix License

    ParinGenix License • In June 2009, Ligand granted exclusive license rights to ParinGenix for three issued U.S. patents relating to certain desulfated heparin compounds • ParinGenix lead compound, PGX-100, is an intravenous formulation of 2-O, 3-O desulfated heparin which is in a Phase IIb trial for

  17. Slide 17: SERM Collaborations

    SERM Collaborations • Bazedoxifene Monotherapy: CONBRIZA approved in Europe in April 2009 Viviant pending approval in the U.S. • Bazedoxifene in Combination with Premarin CE (APRELA): Phase III data published in Fertility and Sterility NDA planned for in 2010 • Lasofoxifene (FABLYN) for osteoporosis

  18. Slide 18: Collaboration Highlights: p38 Kinase Inhibitors

    Collaboration Highlights p38 Kinase Inhibitors • Collaboration began in November 1997 • Partnership resulted in lead and back-up p38 kinase inhibitor compounds & • Anti-inflammatory therapeutics Ongoing Clinical Trials: • Phase II in rheumatoid arthritis • Phase II in psoriasis • Phase II in atheros

  19. Slide 19: Collaboration Highlights: CXCR2 Program

    Collaboration Highlights Chemokine Receptor CXCR2 Program • Collaboration began in October 1998 • Collaboration produced multiple drug & candidates Completed Clinical Trials: • Phase II in COPD • Phase II in asthma • Phase II in psoriasis The Opportunity: • Large, established target markets • If suc

  20. Slide 20: Collaboration Highlights: Other Research Program

    Collaboration Highlights Other Research Program Ongoing Clinical Trials: • Enzyme inhibitor in Phase II for oncology & • Candidate for inflammatory diseases in Phase I • Candidate for respiratory diseases in Phase I Recent Event: • BACE inhibitor for Alzheimer’s in development, resulting in a milest

  21. Slide 21: Collaboration Highlights: Broad Discovery Program

    Collaboration Highlights Broad Discovery Program • Collaboration began March 2006 • Identify and advance molecules in chosen & therapeutic programs to development stage Milestone and Royalty: • 7 compounds identified to date • Success-based milestone payments and up to double-digit royalties upon co

  22. Slide 22: Collaboration Highlights: JAK-3 Kinase

    Collaboration Highlights JAK-3 Kinase • Collaboration began in December 2006 & $3 million per year in research funding • Alliance based on development of JAK3 kinase inhibitors for systemic administration for immunological and inflammatory diseases • Success-based milestone payments and up to double

  23. Slide 23: SARM Program Overview

    23 SARM Program Overview © LIGAND

  24. Slide 24: Selective Androgen Receptor Modulator Program

    Selective Androgen Receptor Modulator Program • LGD-4033 is a selective androgen receptor modulator (SARM), designed to provide the benefits of androgen receptor stimulation on skeletal muscle and bone without the side effects of the currently marketed androgens • LGD-4033 has demonstrated increased

  25. Slide 25: Research Engine

    Research Engine © LIGAND

  26. Slide 26: Ligand Research Platform

    Ligand Research Platform • Technology - Gene reporter assays for nuclear receptors and JAK/STAT-coupled receptors - Ultra high-throughput screening platform combined with the world’s largest proprietary compound collection (5+ million compounds) • Highly flexible screening platform: cell-free and ce

  27. Slide 27: Ligand Development & Partnerships

    Ligand Development & Partnerships • Clinical strategy to run Phase I-II programs through proof-of-concept • 13 NDAs and MAAs submitted for Ligand discovered drugs • 5 approved products from Ligand technology: Targretin, Panretin, Promacta, Fablyn, Conbriza • Established track record for partnering w

  28. Slide 28: Pro Forma Financial Forecast

    Pro Forma Financial Forecast * Assumes Neurogen Acquisition closes in Q4 2009 • Projected to have approximately $50 million in cash at year-end 2009 • Given our current outlook on the combined businesses, 2010 pro forma operating business projected to be approximately cash-flow neutral with expenses

  29. Slide 29: Potential Near-Term Milestone and Events

    Potential Near-Term Milestone and Events Milestone or Event • PROMACTA data at ASH • PROMACTA EU NDA Action • SARM Phase I trial completion • Potential for over $10 million in milestone payments from existing collaborations • Completion of Schering Plough CXCR2 Trial in COPD • VIVIANT FDA Action • N

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