9/22/03 - Press Release: Target Discovery Introduces First Product Line … Jeffrey N. Peterson, CEO UBS Global Life Sciences Conference 9/22/2003 … EOTrol™ Dynamic Coatings Open New Horizons for Electrophoretic Separations Target Discovery, Inc. Strategic targets … critical leverage points Multidisciplinary team … innovative breakthroughs Pragmatic, clear plan of attack … tiered objectives Laser-like focus on priorities and execution Pharma R&D Productivity Squeeze PERSONALIZED MEDICINE Optimize Lead Rescue Clinical Cannot Play the Same Old Game … Target Leads Preclinicals $500-800M Clinicals Approval 11-15 years Get on Formulary From “Omics” … to “Knowmics” ™ BioInformation exploding … Current technologies are bogged down Much data is of low quality / utility … and too costly Not converting to “BioKnowledge” Key: Confirmed Biochemical Pathway Pathway confidence directs efficient development Lower costs Expedited approval From “Omics” … to “Knowmics” ™ Key: Confirmed Biochemical Pathway Need High Quality Data Complete – full horizon proteome and other “omics” Precise – enable meaningful comparisons Cost effective – affordable utility Need efficient Systems Biology tools Pathway Model generation – flexible alternatives Computational Strategy – speed & complexity Discover Optimized Correlation to high quality data New Breakthrough Technologies Required From “Omics” … to “Knowmics” ™ BioInformation exploding … Current technologies are bogged down Much data is of low quality / utility … and too costly Not converting to “BioKnowledge” Discovery Biology Reveals the Pathway Discovery Biology Target Identification Interactional Proteomics Target Validation Metabolomics Target Selection Systems Biology Optimize Lead Target TDI Technologies Expressional Proteomics Leads Preclinicals $500-800M MDCE™ EOTrol™ IMLS™ IGEMS™ IDBEST™ MetaSIRMS™ PathEvolve™ Optimize Clinical Clinicals Approval 11-15 years Get on Formulary Intellectual Property Development US Patents and Applications US 09/551937 US 6379971 US 6537432 US 09/513907 US 09/553424 Label Chemistry IMLS (issued 4/30/02) MDCE (issued 3/24/03) Databases Metabolomics (allowed) US 10/035349 Mass Defect Tags US 09/033303 IMLS Algorithm TDI0003 TDI0005 Trade Secret Foreign Equivalent WO 00/63683 (pub. 10/01) National Phase WO 01/49951 (pub. 8/02) WO 01/49491 (pub. 8/02) MS Sensitivity (provisional) Systems Biology / A.I. (provisional) Dynamic Coatings The Value of “Targets” Value Proposition Deal Value Royalties Gene Patent $1-2M 0-2% Putative Target (set) $1-3M ($5-15M) 1-5% Validated Target $10-12M 3-7% “Proven” Optimal Target $20-200M 5-15% All current drugs based on 600 known targets “Undiscovered Targets” Market: $10B+ 3,000 to 15,000 undiscovered new targets Source: BioCentury, Bank of America, Price Waterhouse Coopers. TDI Business/Revenue Model Discovery Biology-Based Pharmaceuticals (Long-Term) Forward integration & partnering of complementary technologies Selected diseases & targets reserved for internal development Pharmaceutical & Diagnostic Partnerships (Mid-Term) “Target” licenses - by tissue and disease Time-limited exclusivity then, shared access models Value-added extension into validation, modeling, selection Narrow band platform out-licensing to “target’ license clients Early Commercialization Out-Licensing (Near-Term) EOTrol™ Dynamic capillary coatings IDBEST™ Differential display kits (possible protein chip/MS partner) IMLS™ Sequencing kits (possible MS instrument partner) IGEMS™ MS sensitivity enhancement (MS instrument partner) TDI Discovery Biology Platform Target Identification (Expressional Proteomics) Complete proteome separation and quantitation Multidimensional zero-EOF capillary electrophoresis (MDCE™) Dynamic coatings for capillary EOF control (EOTrol™) High speed protein identification Inverted mass ladder sequencing (IMLS™) Proprietary MS sensitivity breakthrough (IGEMS™) Target Validation (Interactional Proteomics / Metabolomics) Population screening using differential display on protein chips Isotope differentiated binding energy shift tags (IDBEST™) Confirmation by metabolomic flux determination in vivo Metabolic flux stable isotope ratio mass spectrometry (MetaSIRMS™) Target Selection (Systems Biology) Artificial intelligence for physiological model optimization and in silico target selection (PathEvolve™) Protein Expression: 2-D Gels vs. MDCE™ E. coli Wheat Germ (CIEF/CGE) Key: Elimination of “EOF” US Patent Issued: MDCE™ at Low EOF Performance Measure 2-D Gel MDCE™ 1stBreadth Product: EOTrol™ Dynamic Capillary Coatings of Proteome 30% 100% Resolution Capacity (theory) 7,000 >30,000 Sensitivity (copies per cell) ≈105 <10 Quantitative Precision >20% <1% Dynamic Range 102-3 105-7 Automated Analysis No Yes EOF Causes Resolution Loss in CE EOF EOF Must Be Eliminated To Achieve High Resolution Separations Herr, A. E. et al., Anal. Chem., 72:1053-1057 (2000). EOTrol™ Dynamic Coatings Introduced Electrophoretic Separations Capillary Electrophoresis Microchannels Performance Breakthrough or Optimizer: Resolution Throughput Reproducibility User-Selectable EOF Control Normal or REVERSE Direction High or Low - and Stable pH and Buffer Independent New Separations Enabled - Cations! Multiple Applications in 1 Capillary Quick Strip for EOTrol™ Switches No Capillary Change-Out! FREE DEMO PACK The “Mass Defect” Elements in Proteins Ideal Mass Defect Labels Mass Defect (amu) = Monoisotopic Mass - Shift (#Protons #Neutrons) Isotope-Differentiated Binding Energy Tags+(IDBEST™) IDBEST™ Myoglobin Fragmentation b1-ion [81Br]-b1-ion [79Br]-b1-ion Spectral Deconvolution of IMLS Labels Benefit: 100X Speed & Cost Improvement Applicable to Any Biomolecule Key IP: Mass Defect Tags (Method & Composition) Algorithms (Deconvolution) Relative Abundance of 50:50 Isotope Pairs Preserved 3rd Product: IMLS™ Reagents & Software Label Allows Qualification of IMLS Sequence Peaks Label-G Label-GL Label-GLS Label-GLSD Expressional Proteomics - TDI CAPILLARY ELECTROPHORESIS First Dimension (Isoelectric Point) “N”th Dimension (Molecular Weight) Electropherogram pI 1 LIF Detector Labeled Protein Sample Fraction Collection (each stage) Key Advantages: • Speed 100 – 1000 X • Precision 100 X • Sensitivity 100 X • Resolution 4-5 X • Breadth of Proteome 3X pI 2 MW ESI-TOF Mass Spec pI 3 Terminal Sequence Sequence Tag Algorithm MSGGFTA Mass Spec Sensitivity Breakthrough 104 103 1 in 500 ions reach detector h detection (ppm) 102 101 100 IGEMS™ Run 2 10-1 10-2 10-3 -4 10 Typical MS sensitivity Run 1 10-3 10-2 PEO Weight Concentration (g/L) 10-1 100 TDI Discovery Biology Platform Target Identification (Expressional Proteomics) Complete proteome separation and quantitation Multidimensional zero-EOF capillary electrophoresis (MDCE™) Dynamic coatings for capillary EOF control (EOTrol™) High speed protein identification Inverted mass ladder sequencing (IMLS™) Proprietary MS sensitivity breakthrough (IGEMS™) Target Validation (Interactional Proteomics / Metabolomics) Population screening using differential display on protein chips Isotope differentiated binding energy shift tags (IDBEST™) Confirmation by metabolomic flux determination in vivo Metabolic flux stable isotope ratio mass spectrometry (MetaSIRMS™) IDBEST™ Fast / Precise Differential Display [12C]Benefit: Mass Defect Tag Bind to CaptureKey Surface IP: 2nd Current: Protein Chip & MS Diseased Tissue Proteins • Comparison of 2 spots [ C]- • Precision: > 50% std. dev. 5X Precision Improvement 13 Mass Defect Eliminates TagICAT™ Mix cleanup & false pos/neg Mass Defect Tags (Method & Composition) Algorithms (Deconvolution) Product: Digest and MS IDBEST™ Peptides Reagents & Software 14 b b 12 Tandem MS Fragmentation Spectrum (Counts) Healthy Tissue Proteins 5 4 Identity by Tandem MS b 6 10 b 8 Parent Ion 7 6 4 2 0 0 500 1000 1500 m/z (amu) 2000 2500 Metabolic Flux Confirmation with SIRMS FEED: 50% [13C or 15N]-metabolite 50% [12C or 14N]-metabolite Stable Isotope Ratio MS of metabolites (MetaSIRMS™) Direct metabolic flux measure in vivo Track ratios & kinetics down branch points Estimate pool sizes Metabolomics in Early Emergence Extract to FTICR-MS TDI’s Patent Has Been Allowed Validate protein involvement in pathway of interest HTS for ADME and Efficacy Studies Metabolite stoichiometric identification using FTICR-MS 12C 13C Deduce kinetics TDI Discovery Biology Platform Target Identification (Expressional Proteomics) Complete proteome separation and quantitation Multidimensional zero-EOF capillary electrophoresis (MDCE™) Dynamic coatings for capillary EOF control (EOTrol™) High speed protein identification Inverted mass ladder sequencing (IMLS™) Proprietary MS sensitivity breakthrough (IGEMS™) Target Validation (Interactional Proteomics / Metabolomics) Population screening using differential display on protein chips Isotope differentiated binding energy shift tags (IDBEST™) Confirmation by metabolomic flux determination in vivo Metabolic flux stable isotope ratio mass spectrometry (MetaSIRMS™) Target Selection (Systems Biology) Artificial intelligence for physiological model optimization and in silico target selection (PathEvolve™) Systems Biology Paradigm & Problems PHYSIOLOGY MODULES (subroutines of dimensionless algebraic & differential equations) RR T RR P RR T RR PK 1 K S 1 PK eq 1 1 Km 3 RR T Km 2 RR T T Computational Workload Transcription -Constitutive -Repression/ Activation Difference Data Human Mind Complexity Limits PhoE Outer Membrane Omp C/F R-OH Pi PhoA Activation Signal ? Biologist’s Accumulation Model Consensus -Absorption Flexibility -Fluid Pools PhoS P PhoS PhoR PhoR ADP PstC PhoU D PhoU R ATP Pi PhoB PhoB Repression Signal ? P + Pi Promotes Pho-gene Transcription PhysioTool ® 2000 Target Discovery, Inc./All Rights Reserved Compare Predictions to Experimental Data Inner Membrane Pst Pst A B P Protein Expression Pi R- P (rates and concentrations) Gene Expression k1 PK + ATP <=====> PK•ATP --------> PK-P + ADP k'2 RR + PK-P <=====> PK•P•RR --------> RR-P + PK k3 RR-P + PK* <======> RR•P•PK* --------> RR + PK* k4 RR-P --------> RR Linearized Equilibria PHYSIOLOGY DATABASES Mine for Rates and Concentrations Keq1 S1 + PK <=======> PK* R- P -Convection -Diffusion 1 Enzymes Transport Intertissue Transport PK T PK RR P 1 1 Keq S 1 Km PK RR 1 3 T T RR RR PK T T PK 1 Km 2 PK T -MichaelisMenton -Ping-Pong -Passive -Facilitated -Active Integrator Kernel Stiff Differential Equations requiring Numerical Integration Equilibria -Binding -Phase -Reactional SYSTEM MODEL Iterate?… Data Quality Metabolism TDI Systems Biology: PathEvolve™ Unit Operations strategy –math models for biological process elements Artificial intelligence algorithms … from VLSI IC design process Accelerates exploration of alternative pathway models Accelerates convergence on optimal model … by correlation to data Accommodates all designated data and design constraints Unique computational strategy … from process control industry Works directly with differential display data formats GeneChip™, ICAT™, IDBEST™, MetaSIRMS™ and SIR-NMR Up to 1012 acceleration potential for convergence on optimum models Optimized models provide confidence and direction Allow sensitivity analysis for target selection Enables in silico experimentation for target / lead / clinical optimization Comprehensive approach eliminates subjective biases and assumptions TDI Team Senior Management / Founders CEO: Jeffrey N. Peterson Abbott Laboratories (CEO/GM Abbott South Africa) General Electric (Engineered Materials & Plastics Groups) MIT (MSChemE, BSChemE) CSO: Dr. Luke V. Schneider SRI (Stanford Research Institute) International Dir. Technology Development Dir. Combinatorial Methods Center Dir. Upconverting Phosphor Diagnostics Winner, Monsanto Million Dollar Challenge DuPont (Central R&D, Coatings) Princeton (PhDChemE, MAChemE) USF (MSEChemE, BSESChemE, BABiology) TDI Team Scientific Advisory Board Dr. Juan Santiago (Stanford) Dr. Jack Shively (City of Hope) Dr. Alan Smith (Stanford PAN Facility) Dr. Evan Williams (UC Berkeley) Dr. Leon Yengoyan (San Jose State) Board of Directors Jeffrey N. Peterson, CEO Dr. Luke V. Schneider, CSO Clayton A. Struve (CEO CSS, ex-MD SwissBank, O’Connor) Steven M. Rauscher (CEO Genome Therapeutics, AmericasDoctor.com, Affiliated Research Centers, Abbott) TDI Growth Trajectory $7 M A Round (’99–’03) Close 2 1st NIH Grant Close 0 0 EOTrol™ Introduced 1st TDI Commercial Revenues IGEMS™ Demonstration $3-7 M B Round Close 3 2 0 IMLS™ Intro IDBEST™ Intro 0 4 IGEMS™ OutLicensed 2 MDCE™ Intro 1st Full Discovery Biology Partnership 0 0 Optional C Round Growth Acceleration Decision 5 Target Discovery, Inc. From Omics to Knowmics™ Strategic targets … critical leverage points Multidisciplinary, innovative breakthrough technologies Pragmatic, clear plan of attack … tiered objectives Laser-like focus on priorities and execution www.targetdiscovery.com