Sab Biotherapeutics, Inc. · NASDAQ:SABS

Sab Biotherapeutics — BIO CEO and Investor Conference 2023

17 slides from Sab Biotherapeutics's conference presentation, Feb 7, 2023

  1. Slide 1: Next Generation Biologics in Immunology

    Exhibit 99.1 Heuy BIOTHERAPEUTICS Next Generation Biologics in Immunology Solution for Complex Diseases BIO CEO and Investor Conference| February 2023 Eddie J. Sullivan, PhD President and CEO

  2. Slide 2: Forward-Looking Statements

    Forward-Looking Statements “The material inthis presentation has been prepared by SAB Biotherapeutcs Inc. ("SAB") and i general background Information about SAB's activities current a5 ofthe date ofthis presentation. This information i ivenin summary form and inet Intended tobe complete. Informatio

  3. Slide 3: SAB Biotherapeutics Fact Sheet

    SAB Biotherapeutics Fact Sheet ©b | | aif 2 90 al Yearsorless from Anti-infective Percent success Subjectstreated fi Assetstodatethat [| Onlycompany to concepttoIND ff assetswith proven [fl rate from concept with SAB lostefficacyto ff produce unlimited filing efficacy in toINDand beyond [J therapeut

  4. Slide 4: Demonstrated as a Novel Discovery Platform for Human Monoclonal and Polyclonal Antibodies

    Demonstrated as a Novel Discovery Platform for Human Monoclonal and \. * Polyclonal Antibodies Telomere Avidity matured PBMCs available for screening eer LS BY iS ee IgK HiChar.2 sittencace: kmcteenica’ “WE, tewrmecny fowsen Downstream Processes: Centromere + Antigen specific Fluorescence Activated

  5. Slide 5: SAB Human Polyclonal Antibodies: Next Generation of Biologics

    SAB Human Polyclonal Antibodies: Next Generation of Biologics Key Product Differentiators vs Monoclonal Antibodies: ‘© Multi-target capability in a single therapeutic Natural multi-epitope targeted pb selected and produced in Ability to target multiple disease pathways at once increase potential for

  6. Slide 6: Biologic Pipeline with Broad Polyclonal Therapeutic Reach

    Biologic Pipeline with Broad Polyclonal Therapeutic Reach R&D PIPELINE isa ed Waa iat aera a sne-15 cLosrRiiones FRCL one OR APLASTIC ANEMIA ANTHOIOTYPE _ SYSTEMICLUPUS ERYTHEMATOSUS, SERIES TYPE DIABETES, RHEUMATOID ARTHRITIS. ae = a © 2023 SAB BIOTHERAPEUTICS, IN BIOTHERAPEUTICS

  7. Slide 7: Clinical Development Programs: Asset Progress

    Clinical Development Programs: Asset Progress topline A ‘TSAB-195 Phase 3 FPI **5A8-142 Phase 1/POBA ongoing ‘sA8-195 Phase 2 topline ‘sAB-176 Phase 3 FPI ‘TSAB-142 IND (T10) ‘Tsa8-142 Phase 1/POBA FPI 'SAB-195 IND {CO}, targeting #2 fl 75A8-195 Phase 1/POBA FP .023-H1 2024) ‘'saB-176 2023-2024 flu

  8. Slide 8: Only SAB-176 Provides Potential for "EVERGREEN" Influenza Biologic with Low Risk of Escape Mutants

    Only SAB-176 Provides Potential for “EVERGREEN” Influenza Biologic with Low Risk of Escape Mutants First-in-class fully-human polyclonal antibody treatment aimed to provide superior long-lasting efficacy for prophylaxis and management of influenza in patients at high-risk Broadly Balorave | oeutratc

  9. Slide 9: Established Proof-of-Concept for SAB-176: Met Primary Endpoint of Viral Load Reduction

    Established Proof-of-Concept for SAB-176: Met Primary Endpoint of Viral Load Reduction in Phase 2a Challenge Study Achieved Statistically Significant SAB-176 Achieved Statistically Significant ‘SAB-176 Shortened Time of Viral Shedd (p= 0.026) Reduction in Viral Load (p= 0.013) Improvement in Symptom

  10. Slide 10: Only SAB-195 Can Target Multiple C. diff Antigens and Toxins in One Therapeutic

    Only SAB-195 Can Target Multiple C. diff Antigens and Toxins in One Therapeutic first.in-ctass fully-human polyclonal antibody treatment with dual mechanism of action designed to treat severe CDI and reduce CDI recurrenc Mode of ction (MoA) Targets: + Cait spores cr bacteria + Toxin + Toxins + Binar

  11. Slide 11: SAB-195 Preclinical Data

    SAB-195 Preclinical Data ms Tc bovine Immunized with Antigen Fusion Proteins Constructed from Receptor Binding Domain of C. diff Toxin A (Ted), C. diff Toxin B (TedB)(630) and (TcdB)(027) and Binary Toxin (CDT) B C. difficile strain 630 c C. difficile B1/NAP 1/027 100- 100: aan r vats i Bl} at TS g

  12. Slide 12: SAB-142: Only Fully-Human Polyclonal Anti-Thymocyte Immunoglobulin

    SAB-142: Only Fully-Human Polyclonal Anti-Thymocyte Immunoglobulin 2 First-in-class fully human polyclonal antibody treatment aimed to provide superior efficacy for delaying onset of clinical Stage 3 Type 1 Diabetes (T10) Teplizumab Low Dose ATS Mechanism of Action (MoA): + Anti-CD3 i) 13) 13] + Ant

  13. Slide 13: SAB-142: GLP Tox Study Results Enable IND Submission

    SAB-142: GLP Tox Study Results Enable IND Submission Objectives: © Determine the potential toxicity of SAB-142 vs. an anti-thymocyte globulin (ATG) when given by single intravenous infusion to non- human primates © Characterize mechanism of action, toxicokinetic & immunogenicity profile of SAB-142 R

  14. Slide 14: DiversitAb Platform Anti-ID Proof of Principle in Autoimmune Disease

    DiversitAb™ Platform Anti-ID Proof of Principle in Autoimmune Disease 1 ee capabil ty in a single therapeutic pAbs generated by hyperimmunization with lity to target multiple autoantibodies at once increase potential for superior efficacy selected mabe shoved ingto the variable region and blocked in

  15. Slide 15: DiversitAb Anti-Variable/Anti-ID hpAbs are Specific to the Variable Region

    DiversitAb™ Anti-Variable/Anti-ID hpAbs are Specificto the Variable cs Region 100X Excess Competitive Ab/Fragments Tebovine sample Pre-immunization 4 ‘mABGL ‘MAbG4-like ‘MABGL-like (TeBovine Antigen) _ Fab Fragment FcFragment ‘mAbGL-like framework V3higG VahigG 48 VShigG: Tz Tebovine sample 100X Exc

  16. Slide 16: Comparison of Treatments for Systemic Lupus Erythematosus (SLE)

    Comparison of Treatments for System Lupus Erythematosus (SLE) a6 Immunosuppressive ; Therapies preva SAB's Anti1D (i.e,, mAb Belimumab Polyclonal menor Antibodies (i.e.,anti-malarial drugs, conticost ‘Mechanism of Action (MoA): + General Immune Suppression + Suppression ofall 8 cells + Suppression/e

  17. Slide 17: Summary

    Summary + DiversitAb™ Platform: Innovative Diversitb™ platform produces a new class of targeted fully-human, highly-potent polyclonal antibodies, with a broad efficacy spectrum in a broad range of indications. + Platformis well-positioned to address complex diseases with targeting multiple epitopes

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