Transforming Immuno-Oncology (IO) - 1Q 2023 Corporate Overview

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Transforming Immuno-Oncology (IO) - 1Q 2023 Corporate Overview
Transforming Immuno-Oncology (IO)

          Corporate Overview

               1Q 2023
Transforming Immuno-Oncology (IO) - 1Q 2023 Corporate Overview
This presentation (“Presentation”) is for informational purposes only to assist interested parties in making their own evaluation with
respect to ImmunoGenesis, Inc. (“ImmunoGenesis” or the “Company”). The information contained herein does not purport to be
all-inclusive and none of the Company, its affiliates nor any of its or their control persons, officers, directors, employees or
representatives makes any representation or warranty, expressed or implied, as to the accuracy, completeness or reliability of the
information contained in this Presentation. You should consult your own counsel and tax and financial advisors as to legal and related
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information contained herein to make any decision.

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and factors. Nothing in this presentation should be regarded as a representation by any person that the forward-looking statements set
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Transforming Immuno-Oncology (IO) - 1Q 2023 Corporate Overview
Company Summary
Transforming Immuno-Oncology (IO) - 1Q 2023 Corporate Overview
First-in-Class PD-L1/PD-L2 Dual-Specific Inhibitor

                                                     4
Transforming Immuno-Oncology (IO) - 1Q 2023 Corporate Overview
ImmunoGenesis Investment Thesis
• IMGS-001, lead product, is a first-in-class PD-L1/PD-L2 dual-specific inhibitor
  with effector function
   – Ready to enter the clinic – FDA ok to proceed
   – Enhanced approach to proven biological pathway
   – Can be foundational agent in >$50 B market segment

• Experienced team in place
• Scientific founder is a pioneer in modern IO; highly sought after for SAB roles
• Phase 2 asset in pipeline that is generating partnering interest

                                                                                    5
Transforming Immuno-Oncology (IO) - 1Q 2023 Corporate Overview
Series A Financing Leads to Value-Enhancing Milestones
                                    Series A Financing
                           1H                2H               1H                 2H                1H                2H
                          2023              2023             2024               2024              2025              2025
                                                      Phase 1A data                         Top-line data
IMGS-001          FDA Ok to                           in 18 patients                        Phase 1A/1B
PD-L1/L2 Dual-     Proceed
                                                               Phase 1A data                 First 60 Pts
Specific w/Effector     Initiate                               in 25 patients
Function                Phase                                                                               Top-line Data
                      1A/1B Trial                              Initiate Phase                               Phase 1A/1B
                                                               1B expansion                                    90 Pts

                       Initiate                                                   Data
IMGS-101              Phase 1/2                     Phase 1 data                Phase 1/2
                                                    in 12 patients               42 Pts
Evofosfamide            Trial

                                                                              Data in 10
IMGS-203                          Manufacturing and other                      patients
STING                                 pre-IND work
                                                                     Phase 1 Trial

                                                                                                                            6
Transforming Immuno-Oncology (IO) - 1Q 2023 Corporate Overview
Founder: Michael A. Curran, PhD
Associate Professor of Immunology, MDACC

               • Trained with Nobel Laureate Jim Allison
               • Co-inventor on CTLA-4 patent; proposed, described, and drove early development
                 of YERVOY® + OPDIVO® , still most efficacious checkpoint combo
               • More than 45 IO publications since 2012 and multiple awards, including the
                 Presidential Award from the Society for Immunotherapy of Cancer
               • Extensive IO drug development experience, including co-scientific director of
                 the MDACC ORBIT platform (eg, GSK αOX-40 and clinical 8F4 programs); SAB
                 positions from small to large pharma
               • Founded ImmunoGenesis in 2019 to develop therapies from his lab to address
                 the significant unmet need in cold tumors

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Transforming Immuno-Oncology (IO) - 1Q 2023 Corporate Overview
ImmunoGenesis Team
MANAGEMENT

         James A. Barlow, Jr. | CEO and President                     Freddi F. O’Brien | Chief Financial Officer

         Jeremy Barton, MD | Acting Chief Medical Officer              Scott Cullison | Acting Chief Business Officer

         Federica Pericle, PhD | Chief Scientific Officer              Matthew Hemberger, PhD | Senior Director, CMC & Quality

         Charles Schweizer, PhD | SVP Clinical Development             Amanda Sanders| Associate Director, Clinical Operations

SCIENTIFIC, CLINICAL, & BUSINESS ADVISORS

       Michael A. Curran, PhD                 David Hong, MD     Jacques Gaudreault                       Robert Stein, MD PhD
       Founder and SAB Head                   Clinical Advisor   Nonclinical Consultant                   Member, Board of Directors

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Transforming Immuno-Oncology (IO) - 1Q 2023 Corporate Overview
Lead               PoC            Manufacturing
             PROGRAM                INDICATIONS            Discovery
                                                                              Optimization        (in vivo)        IND-Enabling          Phase 1   Phase 2

   Lead Program
             IMGS-001
             PD-L1/PD-L2                 TNBC,
             dual-specific              Colorectal,
             antibody with               Ovarian
             effector function

             IMGS-101 (EVO)
             Hypoxia-reversal           Prostate,
             agent in combination      Pancreatic,
             with checkpoint          Head and Neck
             inhibitors

    Development Programs

             IMGS-401                     Cold Tumors
             PD-L1/PD-L2 + 4-1BB
             Tri-functional Bispecific Ab

             IMGS-501
                                       Cold Tumors
             STING-ISAC with
             PD-L1/PD-L2 dual-
             specific Ab

Ab, antibody; ISAC, immune-stimulating antibody conjugate; STING, stimulator of interferon genes; TNBC, triple-negative breast cancer.
Transforming Immuno-Oncology (IO) - 1Q 2023 Corporate Overview
The PD-1 Pathway : Classical Model

                           Problem: Cancers evade immune recognition by
                           engaging the PD-1 molecule to turn off the protective
                           function of T cells
                           Partial solution: Antibody blocking of PD-1 or PD-L1
                           restores immune function. However, targeting this
                           inhibitory pathway by blocking PD-1 benefits only a
                           minority of patients with immune-flamed tumors
                           Opportunity: No FDA approved drugs that block both
                           PD-L1 and PD-L2 binding to PD-1 and eliminate PD-
                           L+ expressing cells via ADCC and ADCP mechanisms,
                           allowing patients with immune-excluded tumors to
                           benefit

                                                                                   10
IMGS-001: PD-L1/PD-L2 Dual-Specific Inhibitor with
Effector Function
                                                                          PD-L1
• Fully human IgG1 monoclonal antibody
                                                      ADCC+
• Binds both PD-L1 and PD-L2 and                     (FcγRllla)
                                                       I332E                PD-L2
  blocks their interaction with PD-1                   S239D

   – Also blocks interaction of PD-L1 with B7.1
• Fc engineered with 3 mutations to
                                                               G236A
  induce ADCC, ADCP activity                                   ADCP+        PD-L1
                                                              (FcγRlla)

                                                  Human IgG1
                                                                          PD-L2

                                                                                    11
Immune Excluded Tumors Represent a Significant
Unmet Need

                                        Melanoma        Lung        TNBC        Bladder                Gastric        Ovarian       CRC       PDAC

                      CRC                            12%                                    63%                                         25%
          Incidence

                      NSCLC                          31%                                    44%                                         25%
                      mUC                            26%                                    47%                                         27%
                      TNBC                           36%                                    47%                                         17%

                                                                                                                                                     Source: Roche ASCO Presentation 2020.
CRC, colorectal cancer; NSCLC, non-small cell lung cancer; mUC, metastatic urothelial carcinoma; TNBC, triple-negative breast cancer;
CIT: cancer immunotherapy; PDAC, pancreatic ductal adenocarcinoma.

                                                                                                                                                                                             12
Curing Checkpoint Fatigue
New Paradigm of PD-1 Pathway Blockade—First to Target PD-L2

                                                                      IMGS-001
     2025 estimated revenue
     for these drugs is $50B*                                         Re-envision and reset
                                                                      the starting point for
                                                                      cold tumor efficacy
                                                                      >$50B market
                                   All Other
                                   Tumors             Cold, Immune-
                                      45%               Excluded
                                                         Tumors
                                                           55%

*GlobalData estimates.                                                                         13
IMGS-001 Takes Out Immune Suppression at the Source
Robust killing function of immunosuppressive cells expressing PD-L1 and/or PD-L2.

                                                                    CAFs
                                                                                                                                    M2 Macrophages

                                                                                               TGF-β
                                                                 Arginase
                        MDSCs                                                                                IDO
                                                                          Cold Tumor
                                                                       Microenvironment

                                                           Adenosine                                                                                   IMGS-001
                                                                                     Tumor Cells

CAF, cancer-associated fibroblast; IDO, indoleamine 2, 3-dioxygenase; MDSC, myeloid-derived suppressor cell; TGF-β, transforming growth factor beta.              14
Enhanced Cold Tumor Efficacy for Final Clinical Lead

                       5 x 104 B16-F10-PDL2                 Treat on days                         Treatment with IMGS-001 resulted in a 50% survival
                              right flank                   3, 6, 9, 12, 15, 18
                                                                                                  rate while anti-PD-1 showed no survival benefit

             100                                                                                  1500

                                                                             Tumor Volume (mm3)
              75                                                                                  1200
% survival

                                                                                                  900
              50                                          IMGS-001
                                                   ***                                            600
                                                                                                                                              anti-PD-1
                                                          Negative Control                                                                    (mouse Keytruda)
              25
                                                          anti-PD-1                               300                                         Negative Control
                                                          (mouse Keytruda)
               0
                                                                                                                                              IMGS-001
                                                                                                    0
                   0        20          40           60                                                  0   5      10      15     20    25
                       days (post tumor implant)                                                             days (post tumor implant)

Log-rank (Mantel-Cox) test: ***p < 0.001
                                                                                                                                                                 15
IMGS-001^ Increases CD8+ and CD4+ T cell Proliferation
                                                                           B16-PDL2 Model: IMGS-001 drives increased
                                                                           proliferation of T cells^^

                                                                                                           *      p=0.05
                                                                                                           **     p=0.01
 ^ Previous IMGS-001 lead molecule; further refinements were made to final lead that went to manufacture   ***    p=0.001
 ^^ Analysis of tumor draining lymph node after five doses of IMGS-001                                     ****   p=0.0001   16
IMGS-001^ Expands Dendritic Cells

                                                                           B16-PDL2 Model: IMGS-001 expands innate immune
                                                                           DCs^^

                                                                                                           *      p=0.05
                                                                                                           **     p=0.01
 ^ Previous IMGS-001 lead molecule; further refinements were made to final lead that went to manufacture   ***    p=0.001
 ^^ Analysis of tumor draining lymph node after five doses of IMGS-001                                     ****   p=0.0001   17
IMGS-001^ Depletes Key Immunosuppressive Cells
                                                                     B16-PDL2 Model: IMGS-001 depletes suppressive
                                                                     MDSC and MACs^^

                                                                                                           *      p=0.05
                                                                                                           **     p=0.01
 ^ Previous IMGS-001 lead molecule; further refinements were made to final lead that went to manufacture   ***    p=0.001
 ^^ Analysis of tumor draining lymph node after five doses of IMGS-001                                     ****   p=0.0001   18
IMGS-001 is Ready to Enter Clinic in Q1 2023

 Good Manufacturability Profile                           Regulatory
 • WuXi Biologics completed GMP manufacturing at          • FDA Ok to Proceed; FPI in Q1 2023
   2,000 L scale in March 2022 – robust titer of ~6 g/L   • Robust IP protection – IMGS-001 COM out to
 • Product vialed and IND documentation complete            2043

 Initial Demonstration of Clean Tox Profile               Phase 1A/1B Trial Design in Place
 • Non-GLP mouse study: no overt tox                      • Optimizing clinical trial design
 • Non-GLP cyno PK/PD study: no overt tox even at         • Robust biomarker opportunities/strategy; assays
   10X clinical dose                                        will be finalized in Q1 2023
 • GLP Tox in cynos: no overt tox even at 5X and
   10X clinical dose

                                                                                                              19
IMGS-001: Phase 1A/1B Clinical Trial Plan
                                                           PART 2
                                                        Tumor Specific
                                                           Cohorts
                           Study Objectives              (PD-L1 >5%)              Study Objectives

                            Assess safety of                                         Single Agent Efficacy
     PART 1                 IMGS-001                  Ovarian                        (ORR, CBR, PFS)
  Dose Escalation                                     chemorefractory
                                                                                     Investigate correlation between
                            Assess preliminary
                                                      Colorectal                     9p24.1 amplification, PD-L1,
                            signs of efficacy
                                                      chemorefractory                PD-L2 expression
                            PK analysis                                              and clinical response
PHASE 1A
Solid Tumors
                                                      Breast (TNBC)                  Explore biomarkers of
                            Explore biomarkers of                                    response or target
                                                      IC resistant/refractory
                            response or target                                       engagement (via tissue
                            engagement (via tissue    Gastric/Esophageal*            biopsies and serum
                            biopsies and serum        IC resistant/refractory        plasma)
                            plasma)

*Potential5 dose cohorts                             *NSCLC, Bladder and HNSCC also under consideration.
                                                                                                                       20
(.3 to 15 mg/kg) Qx2w.
Phase 1A/B Clinical Trial - Multiple Opportunities to
Show Clinical Differentiation

Biomarker Strategy:                               Can differentiate across:
1) Leverage single cell RNA data to identify      1) Checkpoint naïve patients
   tumor types with advantageous                     (i.e. Ovarian and Colorectal)
   expression of PD-L1/L2
                                                  2) Checkpoint experienced
2) Prospectively test for PD-L1 >5%                  patients (i.e. Bladder,
    •   Select away from immune desert patients      TNBC, Gastroesophageal)
    •   High concordance with PD-L2 expression    3) Biomarker-driven population
3) Retrospectively test for:                          •   PD-L1/L2 overexpressers
    •   PD-L2                                         •   9p24.1 amplified
    •   9p24.1amplification

                                                                                     21
Cutting Edge Bioinformatics to Guide Indication Selection

                                                            22
Lead               PoC            Manufacturing
             PROGRAM                INDICATIONS            Discovery
                                                                              Optimization        (in vivo)        IND-Enabling          Phase 1   Phase 2

   Lead Program
             IMGS-001
             PD-L1/PD-L2                 TNBC,
             dual-specific              Colorectal,
             antibody with               Ovarian
             effector function

             IMGS-101 (EVO)
             Hypoxia-reversal           Prostate,
             agent in combination      Pancreatic,
             with checkpoint          Head and Neck
             inhibitors

    Development Programs

             IMGS-401                     Cold Tumors
             PD-L1/PD-L2 + 4-1BB
             Tri-functional Bispecific Ab

             IMGS-501
                                       Cold Tumors
             STING-ISAC with
             PD-L1/PD-L2 dual-
             specific Ab

Ab, antibody; ISAC, immune-stimulating antibody conjugate; STING, stimulator of interferon genes; TNBC, triple-negative breast cancer.
IMGS-101 (EVO) Conditions Cold Cancers to Respond
and is IND ready for Phase 2

• ImmunoGenesis is developing Evofosfamide (Evo) as a hypoxia-reversal agent
  (HRA), which can be combined with IO to drive efficacy
• Completed a successful phase 1/2 with Evo + anti-CTLA4 (initial proof of concept)
• Initiating a targeted phase 2 with EVO + anti-CTLA-4 and anti-PD-1 (ASAP 2023)
• Goal is to confirm proof-of-biology for Evo as a conditioning agent; opportunity to
  add Evo to our other products as an adjunctive agent
• Plan to partner this molecule for more advanced combination studies with
  checkpoint inhibitors and/or cell therapies

                                                                                        24
IMGS-101 (Evo) + Ipilimumab Phase 1/2 Compelling
Efficacy
                                                                                             Phase 1 Dose Escalation – Ipilimumab/Evofosfamide

                                                                                      100
• Heavily pretreated patients across prostate,

                                                           % Change – Best Response
                                                                                                                                           400 mg/m2
  pancreatic, and HNSCC: ≤6 months survival                                            50                                                  480 mg/m2
                                                                                                                                  SD
• Across 4 doses and 4 indications, the ORR was                                         0
                                                                                                                                           560 mg/m2

  17% and DCR was 83%; every patient re-treated                                                                                   PR
                                                                                                                                           640 mg/m2

  with Evo/Ipi responded with tumor regression                                         -50

  and/or ≥4 months progression-free survival (PFS)                                    -100

• Objective responses in prostate cancer patients
  would qualify as breakthrough and for FDA
  Fast Track
• Breakthrough and FDA Fast Track would also
  apply to HNSCC and pancreatic if response noted
• Clear biomarker signal emerged; will be validated
  in phase 2

                                                         Ipilimumab
                                                      Evofosfamide

                                                                                                                                                       25
EVO-011 Phase 1/2 Clinical Trial
• Histologically confirmed locally advanced/metastatic prostate, pancreatic, and HPV (-) head and neck
• Patients refractory to standard of care lines of therapy

                                                            Phase 2
                                                                          ~62
                                                             Tumor      Subjects
       Phase 1            BOIN Design ~12
                                                            Cohorts                                 Key Endpoints
    Dose Escalation          Subjects

                                                                                        • Objective Response Rate and PFS
Dose      Evo       AGEN1884    AGEN2034              Head/Neck (n=16)                  • Safety and tolerability
                                                                                        • Pharmacokinetics
                2
1       480 mg/m     1 mg/kg     3 mg/ kg
                                            RP2D                                        • Exploratory biomarkers via serum, blood,
                2                                     Pancreatic (n=16)                   and tissue (Pre/Post Tx biopsies)
2       560 mg/m     1 mg/kg     3 mg/ kg
                                                                                        • Sub-study PET-CT using [18F]FAZA

                                                      Prostate (n=16)         (n=14)

                                                            Prostate: Simon 2 stage
                                                            (1st stage ≥ 2 of 16 ORR)

                        *FDA Clearance to Proceed Received June 2022                                                          26
Pipeline and Financing
Series A Financing

• IMGS-001

   – Finish Phase 1A for IMGS-001 (data in 25 patients)

• IMGS-101 (EVO)

   – 12 patients of data for IMGS-101 (EVO)

• Drives to key data inflection point in mid-2024

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Series A Financing Leads to Value-Enhancing Milestones
                                    Series A Financing
                           1H                2H               1H                 2H                1H                2H
                          2023              2023             2024               2024              2025              2025
                                                      Phase 1A data                         Top-line data
IMGS-001          FDA Ok to                           in 18 patients                        Phase 1A/1B
PD-L1/L2 Dual-     Proceed
                                                               Phase 1A data                 First 60 Pts
Specific w/Effector     Initiate                               in 25 patients
Function                Phase                                                                               Top-line Data
                      1A/1B Trial                              Initiate Phase                               Phase 1A/1B
                                                               1B expansion                                    90 Pts

                       Initiate                                                   Data
IMGS-101              Phase 1/2                     Phase 1 data                Phase 1/2
                                                    in 12 patients               42 Pts
Evofosfamide            Trial

                                                                              Data in 10
IMGS-203                          Manufacturing and other                      patients
STING                                 pre-IND work
                                                                     Phase 1 Trial

                                                                                                                            29
ImmunoGenesis Investment Thesis

• Developing transformational agents that will represent the next major
  advancement in Immuno-Oncology
• Lead product, IMGS-001, is a disruptive technology that can become a
  foundational agent in a >$50B market
• Phase 2 asset with significant potential as tumor conditioning agent
• Founder and management team have proven track records and the
  experience to drive this transformation
• This financing will enable the demonstration of efficacy across tumor types
  with high unmet need, driving value for shareholders and creating hope for
  patients

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Backup Slides
Why Target PD-L2 in Addition to PD-L1?

 T

 1) PD-L2 is widely expressed in the stroma, tumor, and endothelium of many cancers
 2) PD-L2 binds to PD-1 with 5X the affinity of PD-L1; often more predictive of response to PD-1 inhibition
 3) Normal tissues express less PD-L2 than PD-L1 (i.e., less toxicity)
 4) PD-L2 uniquely expressed on certain immunosuppressive cells such as a subtype of CAFs

PD-L2 expression in stromal (includes immune cell infiltrate), tumor, and
endothelial cells of various tumor types. Presence (≥1) or absence (
PD-L2 Is More Tumor Selective Than PD-L1

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