| ABT-450       TOP
 | 
                     
                      |  | 4-Week 
                        Virologic Response and Safety of ABT-450 
                        Given with Low-dose Ritonavir (ABT-450/r) First As 3-Day 
                        Monotherapy Then in Combination with Pegylated Interferon 
                        Alpha-2a and Ribavirin (SOC) in Genotype 1 (GT1) HCV-infected 
                        Treatment-naïve Subjects | 
                     
                      |  | Initial 
                        Antiviral Activity of the HCV NS3 Protease Inhibitor ABT-450 
                        When Given with Low-dose Ritonavir as 3-Day Monotherapy: 
                        Preliminary Results of Study M11-602 in Genotype 1 (GT1) 
                        HCV-infected Treatment-naïve Subjects | 
                     
                      | Albumin Interfern        
                        TOP
 | 
                     
                      |  | Human 
                        Genome Sciences Announces FDA Is Unlikely to Approve Albumin 
                        Interferon Once Every 2 Weeks 6/22/2010
 | 
                     
                      |  | Human 
                        Genome Sciences Submits FDA Licensing Application for 
                         Albumin Interferon 
                        (Zalbin) for Chronic Hepatitis C 12/08/09
 | 
                     
                      |  | Albumin Interferon (Albuferon) and 
                        HCV Polymerase Inhibitor PSI-7851 Advance in Clinical 
                        Trials 7/03/09
 | 
                     
                      |  | Review 
                        Finds Albumin Interferon 
                        for Chronic Hepatitis C Is Effective and Well-tolerated; 
                        Phase 3 Results Show Non-inferiority to Pegylated Interferon 3/20/09
 | 
                     
                      |  | New 
                        Hepatitis C Treatment Trials: HCV Polymerase Inhibitor 
                        R7128, Nucleotide Prodrug IDX184, and 
                        Albumin Interferon (Albuferon) 1/20/09
 | 
                     
                      |  | Albumin Interferon (Albuferon) Administered 
                        Once Every 2-4 Weeks May Be As Effective as Once-weekly 
                        Pegylated Interferon 9/23/08
 | 
                     
                      |  | Safety 
                        and Activity of Once-Monthly 
                        Albinterferon Alfa-2b (Albuferon) in Genotype 
                        2/3 Chronic Hepatitis C Patients 5/23/08
 | 
                     
                      |  | Antiviral 
                        Activity, Pharmacodynamics, and Quality of Life in Genotype 
                        1 Hepatitis C Patients Treated with Albinterferon 
                        (Albuferon) 5/23/08
 | 
                     
                      |  | Albuferon 
                        Dose in Ongoing Trials is Lowered Due to Safety Concerns 1/25/08
 | 
                     
                      | Alisporivir 
                        (Debio 025)  
                               TOP
 | 
                     
                      |  | Cyclophilin 
                        Inhibitor Alisporivir 
                        Active Against HCV in Phase 2b, HBV in Lab 4/08/2011
 | 
                     
                      |  | Debiopharm 
                        Licenses Cyclophilin Inhibitor Alisporivir 
                        (Debio 025) for Hepatitis C 2/12/2010
 | 
                     
                      |  | Debiopharm 
                        Begins Randomization of Participants in Phase 2b Trial 
                        of Cyclophilin Inhibitor Debio 
                        025 for Chronic Hepatitis C 2/03/09
 | 
                     
                      |  | Cyclophilin 
                        Inhibitor Debio-025 
                        Demonstrates Potent Anti-HCV Activity in HIV-HCV Coinfected 
                        Patients 3/14/08
 | 
                     
                      | ANA773 
                        and ANA598  
                               TOP
 | 
                     
                      |  | Anadys 
                        Starts Phase 2b Study of HCV Polymerase Inhibitor ANA598 2/01/2011
 | 
                     
                      |  | First 
                        Cohort Dosing Completed in Clinical Trial of HCV Polymerase 
                        Inhibitor ANA598 2/02/2010
 | 
                     
                      |  | First 
                        Participants Treated in Phase 2 Trial of Anadys HCV Polymerase 
                        Inhibitor ANA598 9/15/09
 | 
                     
                      |  | Experimental Interferon-inducer ANA773 Demonstrates 
                        Antiviral Activity In Hepatitis C Treatment Trial 8/21/09
 | 
                     
                      |  | Data 
                        on Experimental Anti-HCV Drugs ITMN-191/R7227, VCH-916, 
                        VCH-222, TMC435, ANA598, 
                        MK-7009, GS-9450, Abbott/Enanta and Idenix Agents 5/12/09
 | 
                     
                      | BI 
                        201335 and BI 207127 
                               TOP
 | 
                     
                      |  | BI201335 
                        Shows Potent Activity against HCV | 
                     
                      |  | BI 
                        201335 for Hepatitis C Moves into Phase 3 Trials 4/29/2011
 | 
                     
                      |  | Direct-acting 
                        Drug Combos Suppress HCV without Interferon, but Resistance 
                        Remains a Concern 11/15/2010
 | 
                     
                      |  | Genotypic 
                        and phenotypic analysis of the NS5B polymerase region 
                        from viral isolates of HCV chronically infected patients 
                        treated with BI 207127 
                        for 5 days monotherapy 11/02/2010
 | 
                     
                      |  | Strong 
                        antiviral activity and safety of IFN-sparing treatment 
                        with the protease inhibitor BI 
                        201335, the HCV polymerase inhibitor BI 207127, 
                        and ribavirin, in patients with chronic hepatitis C: the 
                        SOUND-C1 trial 11/02/2010
 | 
                     
                      |  | Virological 
                        response and safety of 4 weeks treatment with the 
                        protease inhibitor BI 201335 
                        combined with 48 weeks of peginterferon 
                        alfa 2a and ribavirin for treatment of HCV GT-1 patients 
                        who failed peginterferon/ribavirin 11/02/2010
 | 
                     
                      |  | Experimental 
                        HCV Protease Inhibitor BI 201335 
                        Shows Robust Antiviral Activity in Genotype 1 Non-responders 4/23/2010
 | 
                     
                      |  | Experimental 
                        HCV Protease Inhibitor BI 201335 
                        Demonstrates Promising Results in Combination with Pegylated 
                        Interferon and Ribavirin 11/06/09
 | 
                     
                      |  | SILEN-C1: 
                        Early Antiviral Activity and Safety of BI 
                        201335 Combined with Peginterferon alfa-2a 
                        and Ribavirin in Treatment-naïve Patients with Chronic 
                        Genotype 1 HCV infection 11/06/09
 | 
                     
                      |  | Virological 
                        response and safety of BI 201335 
                        protease inhibitor, peginterferon alfa 2a and ribavirin 
                        treatment of HCV genotype-1 patients with compensated 
                        liver cirrhosis and non-response to previous peginterferon/ribavirin 11/06/09
 | 
                     
                      |  | Investigational 
                        HCV Protease Inhibitor BI 201335 
                        Exhibits Promising Antiviral Activity 11/11/08
 | 
                     
                      |  | Safety and antiviral activity of BI 201335, a new HCV NS3 protease 
                        inhibitor, in treatment-naïve patients with chronic hepatitis 
                        C genotype 1 infection given as monotherapy and in combination 
                        with peginterferon alfa-2a (P) and ribavirin (R) 11/05/08
 | 
                     
                      |  | Safety and antiviral activity of BI 201335, a new HCV NS3 protease 
                        inhibitor, in combination therapy with peginterferon alfa-2a 
                        (P) and ribavirin (R) for 28 days in P+R treatment-experienced 
                        patients with chronic hepatitis C genotype 1 infection 11/05/08
 | 
                     
                      | BMS-650032, 
                        BMS-790052 and BMS-824393 
                               TOP
 | 
                     
                      |  | BMS-790052/BMS-650032 
                        Combo Cures Hepatitis C without Interferon 4-12-2011
 | 
                     
                      |  | BMS-790052 
                        + Pegylated Interferon/Ribavirin Works Well for First 
                        HCV Treatment 4-12-2011
 | 
                     
                      |  | Company 
                        Collaboration to Test BMS-790052 
                        + PSI-7977 Combo for Hepatitis C 1-14-2010
 | 
                     
                      |  | Direct-acting 
                        Drug Combos Suppress HCV without Interferon, but Resistance 
                        Remains a Concern 11/15/2010
 | 
                     
                      |  | BMS-790052, 
                        a First-in-Class Potent Hepatitis C Virus NS5A Inhibitor, 
                        Demonstrates Multiple-Dose Proof-of-Concept in Subjects 
                        With Chronic GT1 HCV Infection 11/02/2010
 | 
                     
                      |  | Coadministration 
                        of BMS-790052 and 
                        BMS-650032 Does Not Result in a Clinically Meaningful 
                        Pharmacokinetic Interaction in Healthy Subjects 11/02/2010
 | 
                     
                      |  | Pipeline 
                        Asset Update for BMS-790052 
                        (NS5A inhibitor) and BMS-650032 (NS3 inhibitor) 11/02/2010
 | 
                     
                      |  | Combination 
                        Therapy With BMS-790052 
                        and BMS-650032 Alone or With Pegylated Interferon and 
                        Ribavirin (pegIFN/RBV) Results in Undetectable HCV RNA 
                        Through 12 Weeks of Therapy in HCV Genotype 1 Null Responder 11/02/2010
 | 
                     
                      |  | BMS-824393 
                        Is a Potent Hepatitis C Virus NS5A Inhibitor With Substantial 
                        Antiviral Activity When Given as Monotherapy in Subjects 
                        With Chronic G1 HCV Infection | 
                     
                      |  | HCV 
                        NS5A Inhibitor BMS-790052 
                        Suppresses Viral Replication in Combination with Pegylated 
                        Interferon/ribavirin 4/28/2010
 | 
                     
                      | Boceprevir 
                        (aka Victrelis)  
                               TOP
 | 
                     
                      |  | Boceprevir 
                        (Victrelis) Approved for Hepatitis C 5-17-2011
 | 
                     
                      |  | Boceprevir 
                        for HCV Wins Unanimous FDA Committee Recommendation 4-29-2011
 | 
                     
                      |  | FDA 
                        Hearings Next Week on Boceprevir 
                        and Telaprevir for HCV 4-23-2011
 | 
                     
                      |  | Boceprevir 
                        Improves Response to Interferon-Based HCV Therapy 4-1-2011
 | 
                     
                      |  | FDA 
                        Committee Sets Review Dates for HCV Drugs Boceprevir 
                        and Telaprevir 3-18-2011
 | 
                     
                      |  | HCV 
                        Protease Inhibitor Boceprevir 
                        Improves Response for Treatment-Naive and Non-responders 3-15-2011
 | 
                     
                      |  | HCV 
                        Protease Inhibitor Boceprevir 
                        Accepted for Priority Review in U.S. and Europe 1-14-2010
 | 
                     
                      |  | Boceprevir 
                        Improves Response to Interferon-based Therapy and Allows 
                        Many Patients to Reduce Duration 11/02/2010
 | 
                     
                      |  | HCV 
                        RESPOND-2 Final Results High Sustained Virologic Response 
                        Among Genotype 1 Previous Non-Responders and Relapsers 
                        to Peginterferon/Ribavirin when Re- Treated with Boceprevir 
                        Plus PEGINTRON (Peginterferon alfa-2b)/Ribavirin 11/02/2010
 | 
                     
                      |  | Boceprevir 
                        Combined with Peginterferon alfa-2b/Ribavirin 
                        for Treatment-Naïve Patients with HCV Genotype 1 11/02/2010
 | 
                     
                      |  | Frequencies 
                        of Resistance-Associated Amino Acid Variants Following 
                        Combination Treatment with Boceprevir 
                        Plus PEGINTRON (PegInterferon Alfa-2b)/Ribavirin in Patients 
                        With Chronic Hepatitis C (CHC), Genotype 1 (G1) 11/02/2010
 | 
                     
                      |  | Hemoglobin 
                        Decline During Lead-in Phase as an Early Predictor of 
                        Anemia After the Addition of Boceprevir: 
                        A Retrospective Analysis of HCV SPRINT-1 11/02/2010
 | 
                     
                      |  | Response-Guided 
                        Therapy with Boceprevir 
                        + Peginterferon alfa-2b/Ribavirin for Treatment-Naïve 
                        Patients with Hepatitis C Virus Genotype 1 Was Similar 
                        to a 48-Wk Fixed-Duration Regimen with Boceprevir + Peginterferon 
                        alfa-2b/Ribavirin in SPRINT-2 11/02/2010
 | 
                     
                      |  | HCV 
                        Protease Inhibitor Boceprevir 
                        Increased Sustained Response to Interferon-based Therapy 
                        in Phase 3 Studies 8/06/2010
 | 
                     
                      |  | Hope 
                        Against Hepatitis C 7/23/2010
 | 
                     
                      |  | HCV 
                        Protease Inhibitor Boceprevir 
                        Demonstrates Durable Sustained Response with No Late Relapse 4/28/2010
 | 
                     
                      |  | SPRINT-1 
                        Study Shows Benefits of Response-guided Therapy with Experimental 
                        HCV Protease Inhibitor Boceprevir 11/06/09
 | 
                     
                      |  | Response-Guided 
                        Therapy for Boceprevir Combination 
                        Treatment? Results from HCV SPRINT-1 11/03/09
 | 
                     
                      |  | Schering-Plough 
                        Completes Enrollment of Phase 3 Trials of Boceprevir 
                        for Chronic Hepatitis C 6/26/09
 | 
                     
                      |  | Experimental 
                        HCV Protease Inhibitor SCH 900518, 
                        with or without Pegylated Interferon, Appears Safe and 
                        Exhibits Good Antiviral Activity 5/01/09
 | 
                     
                      |  | Adding 
                         Boceprevir to PegIntron/Ribavirin 
                        Significantly Improves Sustained Virological Response 
                        in Chronic Hepatitis C Patients 5/01/09
 | 
                     
                      |  | SAFETY 
                        AND ANTIVIRAL ACTIVITY OF SCH 
                        900518 ADMINISTERED AS MONOTHERAPY AND IN COMBINATION 
                        WITH PEGINTERFERON ALFA-2B TO NAIVE AND TREATMENT-EXPERIENCED 
                        HCV-1 INFECTED PATIENTS 5/01/09
 | 
                     
                      |  | HCV 
                        SPRINT-1 Final Results SVR 24Boceprevir* 
                        plus PegIFN alfa-2b/Ribavirin HCV 1 Treatment 
                        Naïve Patients 5/01/09
 | 
                     
                      |  | Preclinical Characterization of SCH 900518, A Novel Mechanism-Based 
                        Inhibitor of HCV NS3 Protease 4/24/09
 | 
                     
                      |  | A Regional Gastrointestinal Absorption Study 
                        of the HCV NS3 Protease Inhibitor SCH 900518 in Healthy Volunteers 4/24/09
 | 
                     
                      | GI-5005       
                        TOP
 | 
                     
                      |  | Preliminary 
                        Results Show Promising Response to Therapeutic Hepatitis 
                        C Vaccine GI-5005 11/09/2010
 | 
                     
                      |  | HCV 
                        Therapeutic Vaccine GI-5005 
                        Improves Rate of Sustained Response to Interferon-based 
                        Therapy for Hepatitis C 11/09/2010
 | 
                     
                      |  | Researchers 
                        Report Promising Results from Studies of 3 Therapeutic 
                        HCV Vaccines 5/19/2009
 | 
                     
                      | GS 
                        9132 and GS 9190 
                        (Tegobuvir) and GS 9450        
                        TOP
 | 
                     
                      |  | Tegobuvir 
                        Works Well in Triple and Quad Regimens for HCV 4/23/2010
 | 
                     
                      |  | Gilead 
                        Terminates Study of Caspase Inhibitor GS 
                        9450 for Hepatitis C Due to Safety Concerns 4/20/2010
 | 
                     
                      |  | Data 
                        on Experimental Anti-HCV Drugs ITMN-191/R7227, VCH-916, 
                        VCH-222, TMC435, ANA598, MK-7009, GS-9450, 
                        Abbott/Enanta and Idenix Agents 5/12/09
 | 
                     
                      |  | Safety, 
                        Tolerability, and Pharmacokinetics of GS-9450 
                        in Healthy Male and Female Volunteers 4/24/09
 | 
                     
                      | IDX136, 
                        IDX316, IDX320, IDX375 and IDX184  
                               TOP
 | 
                     
                      |  | FDA 
                        Suspends Trials of Experimental HCV Regimen IDX184 
                        plus IDX320 Due to Liver Toxicity Concerns 9/10/2010
 | 
                     
                      |  | Idenix 
                        Begins Proof-of-Concept Study of HCV Protease Inhibitor 
                         IDX320 6/18/2010
 | 
                     
                      |  | HCV 
                        Polymerase Inhibitor IDX184, 
                        Protease Inhibitor IDX320, 
                        and Triple Combination Show Promising Antiviral Activity 5/04/2010
 | 
                     
                      |  | Vertex, 
                        InterMune, and Idenix Present Hepatitis 
                        C Drug Development Updates at Investor Conference 1/22/2010
 | 
                     
                      |  | IDX184, 
                        A Liver-Targeted Nucleotide HCV Polymerase Inhibitor: 
                        Results of a First-in-Man Safety and Pharmacokinetic Study 5/01/09
 | 
                     
                      |  | Antiviral Activity of the Liver-Targeted 
                        Nucleotide HCV Polymerase Inhibitor IDX184 
                        Correlates with Trough Serum Levels of the Nucleoside 
                        Metabolite in HCV-infected Chimpanzees 5/01/09
 | 
                     
                      |  | Preclinical 
                        Pharmacokinetic and Safety Profile of IDX375, 
                        A Novel and Potent Non-Nucleoside HCV Polymerase Inhibitor 4/24/09
 | 
                     
                      |  | Preclinical 
                        Profiles of IDX136 and IDX316, Two Novel 
                        Macrocyclic HCV Protease Inhibitors 4/24/09
 | 
                     
                      | Locteron (Interferon)        
                        TOP
 | 
                     
                      |  | Controlled 
                        Release Interferon (Locteron) 
                        Every 2 Weeks Works as Well as Pegylated Interferon but 
                        with Fewer Side Effects 5-18-10
 | 
                     
                      |  | OctoPlus 
                        Initiates Phase IIa Study of Locteron 
                        Controlled-release Interferon 2-22-08
 | 
                     
                      | IMO-2125        
                        TOP
 | 
                     
                      |  | Toll-like 
                        Receptor Antagonist IMO-2125 
                        Stimulates Production of Natural Interferons with Activity 
                        against Hepatitis C Virus 12/13/09
 | 
                     
                      |  | Idera 
                        Pharmaceuticals Begins Phase 1 Trial of Toll-like Receptor 
                        Agonist IMO-2125 for 
                        Chronic Hepatitis C 10/13/09
 | 
                     
                      | MK-5172, 
                        MK-06080 and MK-7009  
                               TOP
 | 
                     
                      |  | Safety 
                        and Antiviral Activity of MK-5172, 
                        a Novel HCV NS3/4a Protease Inhibitor with Potent Activity 
                        Against Known Resistance Mutants, in Genotype 1 and 3 
                        HCV-Infected Patients 11/09/2010
 | 
                     
                      |  | Safety, 
                        Tolerability, and Pharmacokinetics after Single and Multiple 
                        Doses of MK-5172, 
                        a Novel HCV NS3/4a Protease Inhibitor with Potent Activity 
                        Against Known Resistance Mutants, in Healthy Subjects 11/09/2010
 | 
                     
                      | Sustained 
                        Viral Response (SVR) Rates in Genotype 1 Treatment-naïve 
                        Patients with Chronic Hepatitis C (CHC) Infection Treated 
                        with Vaniprevir (MK-7009), 
                        a NS3/4a Protease Inhibitor, in Combination with 
                        Pegylated Interferon Alfa-2a and Ribavirin 
                        for 28 Days 11/09/2010
 | 
                     
                      |  | Data 
                        on Experimental Anti-HCV Drugs ITMN-191/R7227, VCH-916, 
                        VCH-222, TMC435, ANA598, MK-7009, 
                        GS-9450, Abbott/Enanta and Idenix Agents 5/12/09
 | 
                     
                      |  | MK-7009 
                        Significantly Improves Rapid Viral Response (RVR) in Combination 
                        with Pegylated Interferon Alfa-2a and Ribavirin in Patients 
                        with Chronic Hepatitis C (CHC) Genotype 1 Infection 4/24/09
 | 
                     
                      |  | 
                     
                      |  | Boosted 
                         Narlaprevir plus 
                        Pegylated Interferon and Ribavirin Leads to Rapid Viral 
                        Suppression in Genotype 1 Hepatitis C Patients 11/10/09
 | 
                     
                      | Nitazoxanide 
                         
                               TOP
 | 
                     
                      |  | Nitazoxanide 
                        Increases Response to Pegylated Interferon plus Ribavirin 
                        in Treatment-naive and Non-responder Hepatitis C Patients 5-28-2010
 | 
                     
                      |  | Nitazoxanide 
                        plus Pegylated Interferon and Ribavirin Produces Virological 
                        Response in Some Prior Non-responders with Cirrhosis 11/10/09
 | 
                     
                      |  | Nitazoxanide 
                        Enhances Anti-HCV Activity of Pegylated interferon/ribavirin 
                        and STAT-C Agents 12/08/08
 | 
                     
                      |  | Nitazoxanide 
                        Added to Standard Therapy Improves Response in Patients 
                        with Genotype 4 HCV: STEALTH-C1 Study 5/08/08
 | 
                     
                      | Pegylated 
                        Interferon Lambda  
                               TOP
 | 
                     
                      |  | Pegylated 
                        Interferon Lambda Boosts Response with Few 
                        Side Effects 4-5-2011
 | 
                     
                      |  | Pegylated 
                        Interferon Lambda for Hepatitis C Produces 
                        Good Response with Minimal Blood Toxicity 12/10/2010
 | 
                     
                      |  | The 
                        Effect of Treatment Group, HCV Genotype, and IL28B Genotype 
                        on Early HCV Viral Kinetics in a Phase 2a Study of PEG-Interferon 
                        Lambda (pegIFNë) in Hepatitis C Patients 11/09/2010
 | 
                     
                      |  | Pegylated 
                        Interferon Lambda (pegIFNë) Phase 2 Dose-Ranging, 
                        Active-Controlled Study in Combination With Ribavirin 
                        (RBV) for Treatment-Naive HCV Patients (Genotypes 1, 2, 
                        3, or 4): Safety, Viral Response, and Impact of IL28B 
                        Host Genotype Through Week 12 11/09/2010
 | 
                     
                      |  | Pharmacokinetics 
                        of PEG-Interferon Lambda (pegIFNë) 
                        Following Fixed Dosing in Treatment-Naive Hepatitis C 
                        Subjects (Single-Dose Interim Data From a Dose-Ranging 
                        Phase 2a Study) 11/09/2010
 | 
                     
                      |  | ZymoGenetics 
                        Begins Phase 2b Trial of Pegylated 
                        Interferon Lambda 6/08/10
 | 
                     
                      |  | Pegylated 
                        Interferon Lambda Demonstrates Good Antiviral 
                        Activity, May Cause Fewer Side Effects than Interferon 
                        Alfa 11/03/09
 | 
                     
                      | PSI-879, PSI-938, PSI-7851, 
                        PSI-7977 and PSI-938  
                               TOP
 | 
                     
                      |  | Company 
                        Collaboration to Test BMS-790052 + PSI-7977 
                        Combo for Hepatitis C 1-14-2010
 | 
                     
                      |  | Pharmasset 
                        Starts Trial of HCV Polymerase Inhibitor PSI-7977 
                        without Interferon 1-11-2011
 | 
                     
                      |  | HCV 
                        Polymerase Inhibitor PSI-7977 
                        Receives FDA Fast Track Designation 8/10/2010
 | 
                     
                      |  | Pharmasset 
                        Starts New Phase 1b Clinical Trial of HCV Polymerase Inhibitor 
                        PSI-938 7/30/2010
 | 
                     
                      |  | Combination 
                        of 2 Nucleotide HCV Polymerase Inhibitors, PSI-7977 
                        and PSI-938, Looks Good in Laboratory Study 5/11/2010
 | 
                     
                      |  | Pharmasset 
                        Starts Trial of HCV Polymerase Inhibitor PSI-7977 
                        for Genotype 1 Chronic Hepatitis C Patients 1/29/2010
 | 
                     
                      |  | Pharmasset 
                        Selects Investigational HCV Polymerase Inhibitor PSI-879 
                        for Preclinical Development 10/09/09
 | 
                     
                      |  | Pharmasset 
                        Initiates First Clinical Trial of Second-generation HCV 
                        Polymerase Inhibitor PSI-7851 4/10/09
 | 
                     
                      |  | Albumin 
                        Interferon (Albuferon) and HCV Polymerase Inhibitor  
                        PSI-7851 Advance in Clinical Trials 7/31/09
 | 
                     
                      | Danoprevir 
                        (RG7227/ITMN-191)  
                               TOP
 | 
                     
                      |  | HCV 
                        Protease Inhibitor Danoprevir 
                        Promising in Early Trial 6/14/2011
 | 
                     
                      |  | Boosted 
                         Danoprevir Improves 
                        Response in Prior Null Responders 4/18/2011
 | 
                     
                      |  | Direct-acting 
                        Drugs Danoprevir plus 
                        RG7128 Suppress HCV without Interferon 10/22/2010
 | 
                     
                      |  | Roche 
                        Acquires Rights to InterMune HCV Protease Inhibitor Danoprevir 10/08/2010
 | 
                     
                      |  | Experimental 
                        HCV Polymerase Inhibitor RG7128 
                        Is Effective with Standard Therapy in Genotype 2/3 Patients 4/23/2010
 | 
                     
                      |  | HCV 
                        Protease Inhibitor Danoprevir 
                        (RG7227/ITMN-191) Shows Antiviral Activity 
                        at Lower Doses When Boosted with Ritonavir 4/20/2010
 | 
                     
                      |  | Vertex, 
                        InterMune, and Idenix Present Hepatitis 
                        C Drug Development Updates at Investor Conference 1/22/2010
 | 
                     
                      |  | Pharmasset 
                        Announces Continuation of Phase 2b Trial of HCV Polymerase 
                        Inhibitor RG7128 12/04/09
 | 
                     
                      |  | Oral 
                        HCV Polymerase Inhibitor RG7128 
                        plus Protease Inhibitor  RG7227 
                        (ITMN-191) Suppresses HCV Viral Load without 
                        Interferon or Ribavirin 11/13/09
 | 
                     
                      |  | InterMune 
                        and Roche Begins Trial of Ritonavir-boosted ITMN-191 
                        (RG7227) for Genotype 1 Chronic Hepatitis C Patients 10/06/09
 | 
                     
                      |  | Roche and InterMune Begin 
                        Phase 2b Trial of HCV Protease 
                        Inhibitor RG7227/ITMN-191 9/04/09
 | 
                     
                      |  | Data 
                        on Experimental Anti-HCV Drugs ITMN-191/R7227, 
                        VCH-916, VCH-222, TMC435, ANA598, MK-7009, GS-9450, Abbott/Enanta 
                        and Idenix Agents 5/12/09
 | 
                     
                      |  | New 
                        Hepatitis C Treatment Trials: HCV Polymerase Inhibitor 
                        R7128, Nucleotide 
                        Prodrug IDX184, and Albumin Interferon (Albuferon) 1/20/09
 | 
                     
                      |  | HCV 
                        Polymerase Inhibitor R7128 Demonstrates Good Antiviral 
                        Activity in Genotype 2 or 3 Prior Non-responders and Relapsers 11/14/08
 | 
                     
                      |  | R7128 plus ITMN-191 Perform Well in 
                        Laboratory Study; STAT-C Combination Clinical Trial Now 
                        Underway 11/14/08
 | 
                     
                      |  | Natural 
                        Prevalence of Resistance to HCV 
                        Protease Inhibitors 9/25/08
 | 
                     
                      |  | Combination 
                        Therapy with Investigational HCV Polymerase Inhibitor 
                        R7128 Produces Rapid 
                        Response in Patients with Genotype 2/3 HCV 9/12/08
 | 
                     
                      | Sorafenib 
                        (Nexavar)  
                               TOP
 | 
                     
                      |  | Liver 
                        Cancer Drug Sorafenib (Nexavar) 
                        Inhibits Hepatitis C Virus Replication in Laboratory Study 1/08/10
 | 
                     
                      | SYC-635 
                         
                               TOP
 | 
                     
                      |  | Cyclophilin 
                        Inhibitor SYC-635 May Reduce Fibrosis in Addition 
                        to Inhibiting Hepatitis C Virus Replication 4/28/10
 | 
                     
                      |  | 
                     
                      |  |  | 
                     
                      |  | FDA 
                        Committee Unanimously Recommends Telaprevir 5-03-2011
 | 
                     
                      |  | FDA 
                        Hearings Next Week on Boceprevir and Telaprevir 
                        for HCV 4-23-2011
 | 
                     
                      |  | Telaprevir 
                        Improves HCV Cure Rates Regardless of IL28B Status 4-5-2011
 | 
                     
                      |  |  | 
                     
                      |  | Telaprevir 
                        Combo Works for HCV Patients with Prior Unsuccessful Treatment 4-1-2011
 | 
                     
                      |  |  | 
                     
                      |  | HCV 
                        Protease Inhibitor Telaprevir 
                        Will Get Priority Review in U.S. and Canada 1-25-2011
 | 
                     
                      |  |  | 
                     
                      |  |  | 
                     
                      |  |  | 
                     
                      |  | Vertex 
                        Begins Trial of Telaprevir 
                        for Treatment-naive Chronic Hepatitis C Patients 10/29/2010
 | 
                     
                      |  | Telaprevir 
                        Combination Therapy Boosts Sustained Response Rates for 
                        Previously Treated Hepatitis C Patients 9/10/2010
 | 
                     
                      |  | Hope 
                        Against Hepatitis C 7/23/2010
 | 
                     
                      |  | 75% 
                        of Treatment-naive Genotype 1 Hepatitis C Patients Achieve 
                        Sustained Response with Telaprevir 
                        Combination, Most with 24 Weeks of Therapy 6/08/2010
 | 
                     
                      |  | Many 
                        Genotype 1 Hepatitis C Patients Can Be Cured with 24 Weeks 
                        of Telaprevir plus 
                        Pegylated Interferon/ribavirin 5/14/2010
 | 
                     
                      |  | Telaprevir 
                        Monotherapy Is Potent against HCV Genotype 2 but Not 3, 
                        Best Results when Combined with Interferon/ribavirin 5/14/2010
 | 
                     
                      |  | Prior 
                        Non-responders Achieve Treatment Success with Telaprevir 
                        plus Pegylated Interferon and Ribavirin 4/28/2010
 | 
                     
                      |  | Vertex 
                        Will Study All-Oral Regimen of HCV Protease Inhibitor 
                         Telaprevir plus Polymerase 
                        Inhibitor VX-222 3/05/2010
 | 
                     
                      |  | Vertex, 
                        InterMune, and Idenix Present Hepatitis 
                        C Drug Development Updates at Investor Conference 1/22/2010
 | 
                     
                      |  | HCV 
                        Protease Inhibitor Telaprevir 
                        Demonstrates Good Efficacy in Both Treatment-experienced 
                        and Treatment-naive Patients 11/10/09
 | 
                     
                      |  | Vertex 
                        Aims to Receive $250 Million in Milestone Payments for 
                        Anti-HCV Drug Telaprevir 
                        after Approval in Europe 7/14/09
 | 
                     
                      |  | Adding 
                         Telaprevir Improves 
                        Sustained Response to Pegylated Interferon plus Ribavirin 
                        in Genotype 1 Chronic Hepatitis C Patients (PROVE3) 5/01/09
 | 
                     
                      |  |  | 
                     
                      |  | Tibotec 
                        Begins Enrolling Phase III Study of HCV 
                        Protease Inhibitor Telaprevir for Hepatitis 
                        C Patients with Prior Treatment Failure 10/24/08
 | 
                     
                      |  | Telaprevir 
                        plus Pegylated Interferon and Ribavirin Produces Rapid 
                        Response and Is Well Tolerated in 28-day Study 7/22/08
 | 
                     
                      |  | 
                     
                      |  | Interim 
                        Results Show TMC435 
                        Works Well in Treatment-experienced Hepatitis C Patients 11/30/2010
 | 
                     
                      |  | Early 
                        Analysis Finds Good Outcomes with Once-daily Dosing of 
                        HCV Protease Inhibitor TMC435 11/15/2010
 | 
                     
                      |  | Efficacy 
                        and Safety of TMC435 
                        in Combination With Peginterferon a-2a and Ribavirin in 
                        Treatment-naïve Genotype-1 HCV Patients: 24-Week 
                        Interim Results from the PILLAR Study 11/15/2010
 | 
                     
                      |  | In 
                        vitro studies investigating the mechanism of interaction 
                        between TMC435 and 
                        hepatic transporters 11/15/2010
 | 
                     
                      |  | Virologic 
                        analysis of genotype-1-infected patients treated with 
                        once-daily TMC435 
                        during the Optimal Protease inhibitor Enhancement of Response 
                        to TherApy (OPERA)-1 study 11/15/2010
 | 
                     
                      |  | A 
                        Phase IIa, open-label study to assess the antiviral activity 
                        of TMC435 monotherapy 
                        in patients infected with HCV genotypes 26 11/15/2010
 | 
                     
                      |  | Pharmacokinetic-pharmacodynamic 
                        analyses of TMC435 
                        in patients infected with hepatitis C virus genotypes 
                        26 11/15/2010
 | 
                     
                      |  | Protease 
                        Inhibitor TMC435 Shows 
                        Potent and Sustained Efficacy for Genotype 1 Chronic Hepatitis 
                        C 8/24/2010
 | 
                     
                      |  | Investigational 
                        HCV Inhibitor TMC435 
                        Demonstrates Promising Safety and Efficacy in Phase 1 
                        Study 4/02/2010
 | 
                     
                      |  | Data 
                        on Experimental Anti-HCV Drugs ITMN-191/R7227, VCH-916, 
                        VCH-222, TMC435, ANA598, 
                        MK-7009, GS-9450, Abbott/Enanta and Idenix Agents 5/12/09
 | 
                     
                      |  | OPERA-1 trial (Study TMC435-C201): interim 
                        analysis of safety and antiviral activity of TMC435 in 
                        treatment-naïve genotype-1 HCV patients 5/01/09
 | 
                     
                      |  | Antiviral activity and safety of TMC435 combined with peginterferon -2a and ribavirin 
                        in patients with genotype-1 hepatitis C infection who 
                        failed previous IFN-based therapy 5/01/09
 | 
                     
                      |  | Experimental 
                        HCV Protease Inhibitor TMC435350 
                        Demonstrates Favorable Safety and Efficacy 
                        in Phase 2a Trial 11/11/08
 | 
                     
                      |  | Experimental 
                        HCV Protease Inhibitor TMC435350 
                        Demonstrates Promising Activity and Tolerability in Early 
                        Clinical Trial 5/13/08
 | 
                     
                      | VCH-759, VCH-916, VCH-222  
                               TOP
 | 
                     
                      |  | Data 
                        on Experimental Anti-HCV Drugs ITMN-191/R7227, VCH-916, 
                         VCH-222, TMC435, 
                        ANA598, MK-7009, GS-9450, Abbott/Enanta and Idenix Agents 5/12/09
 | 
                     
                      |  | Vertex 
                        Acquires VCH-222 and 
                        VCH-759, Two Experimental 
                        Oral HCV Polymerase Inhibitors 3/15/09
 | 
                     
                      |  | Naturally 
                        Occurring Resistance to HCV Protease 
                        and Polymerase Inhibitors in Treatment-naive 
                        Hepatitis C Patients 1/09/09
 | 
                     
                      |  | Natural 
                        Prevalence of Resistance to HCV 
                        Protease Inhibitors 9/25/08
 | 
                     
                      | Viramidine 
                        (Taribavirin) 
                               TOP
 | 
                     
                      |  | Weight-based 
                         Taribavirin Works 
                        as Well as Ribavirin for Chronic Hepatitis C, but Causes 
                        Less Anemia 10/01/2010
 | 
                     
                      |  | Vertex, 
                        InterMune, and Idenix Present Hepatitis 
                        C Drug Development Updates at Investor Conference 1/22/2010
 | 
                     
                      |  | Viramidine 
                        Fails to Show Non-inferiority to Ribavirin at Tested Doses, 
                        but Causes Less Anemia 1/19/2010
 | 
                     
                      |  | Prodrug Taribavirin Produces Equivalent 
                        Response, but Less Anemia than Ribavirin at 48 Weeks 12/02/08
 | 
                     
                      |  | Taribavirin Efficacy Similar to Ribavirin 
                        in Combination Therapy for Hepatitis C, but with Less 
                        Anemia 5/09/08
 | 
                     
                      |  | Valeant 
                        Reports Promising 12-week Phase IIb Data on Taribavirin 4/01/08
 |