Cardiff Oncology, Inc. · NASDAQ:CRDF

Cardiff Oncology — Investor Presentation (May 2024)

80 slides from Cardiff Oncology's investor presentation, May 2024

  1. Slide 1: Company Overview: The Onvansertib Opportunity

    Company Overview The Onvansertib Opportunity M AY 2 0 2 4

  2. Slide 2: Forward-looking statements

    dependence upon third parties; and risks related to failure to obtain FDA clearances or approvals and noncompliance with FDA regulations. risks related to business interruptions, including the outbreak of COVID-19 coronavirus and cyber- attacks on our information technology infrastructure, which cou

  3. Slide 3: Onvansertib highlights and clinical data

    First-in-Class Robust clinical data in FDA Pfizer PLK1 inhibitor 2L KRAS-mut mCRC • Onvansertib • 73% • FDA • Pfizer ~25% • 15 month • Pfizer • ~8 month • validates We expect clinical data from our 1st line RAS-mutated mCRC trial in H2 2024 Runway with current cash extends into Q3 2025

  4. Slide 4: Onvansertib and bevacizumab reduce tumor size and vascularization

    Human metastatic colorectal cancer (mCRC) tumors grown in mice (KRAS G12V) The combination of onvansertib and bevacizumab shows dramatically reduced • tumor size and • • vascularization

  5. Slide 5: Annual eligible U.S. patients by target

    Annual eligible U.S. patients (’000s)* Targets with Targets without oncogenic oncogenic alterations alterations Announced acquisition 48 50 for $4.8 billion by BMS 29 3 5 5 * ROS1 estimated eligible patients presented in KRAS G12C estimated eligible patients includes Turning Point Therapeutics’ corp

  6. Slide 6: Line of therapy and trials

    Line of Therapy Trial IIT* Ph2 Ph3 Combination with:

  7. Slide 7: Fighting mCRC through PLK1 inhibition

    Fighting mCRC through PLK1 inhibition Robust data in lead mCRC program Path forward to accelerated approval

  8. Slide 8: Onvansertib

    Onvansertib PROPERTIES SPECIFICITY • • •

  9. Slide 9: Our lead program targets RAS-mutated metastatic colorectal cancer

    Our lead program targets RAS-mutated metastatic colorectal cancer mCRC is BOTH common... 2023 new US cases (’000s)* Breast Prostate Lung Colorectal Melanoma Bladder Renal N-H Lymph. Uterus Pancreas 0 100 200 300 400 153k * American Cancer Society Cancer Facts and Figures 2024. ...and challenging to

  10. Slide 10: mCRC standard of care leaves a significant unmet need

    mCRC standard of care leaves a significant unmet need Standard of Care for 1st / 2"4 line RAS-mutated mCRC includes chemo + bevacizumab FOLFOX (approved 1996) Chemotherapy FOLFIRI (approved 2002) oo . Bevacizumab Antiangiogenic (Avastin”) (approved 2004) Targeted therapy None

  11. Slide 11: Other mCRC development programs leave a significant unmet need

    Other mCRC development programs leave a significant unmet need KRAS G12C therapies would address a small part of the need" 4% G12C G12D G12V Normal (WT) G13D G12S G12A Q61H NRAS G13C Onvansertib js targeting all RAS-mutated mCRC' G12C G12D 52% RAS-mutated G12V | G13D G12S G12A Q61H NRAS G13C

  12. Slide 12: Fighting mCRC through PLK1 inhibition

    Fighting mCRC through PLK1 inhibition Robust data in lead mCRC program Path forward to accelerated approval

  13. Slide 13: Our mCRC journey led from second-line to first-line

    Our mCRC journey of discovery led us from second-line to first-line FIRST LINE SECOND LINE * ONSEMBLE e Both patients CRDF-004 RAS-mutated mCRC 90 patients, randomized, _—......_ 3 2d ENROLLING 2 aime 2 Gases Pfizer Ignite Ph 1 b/2 KRAS-mutated mCRC CRDF-003 RAS-mutated mCRC 7 66 evaluable patients,

  14. Slide 14: Phase 1b/2 second-line trial

    Our mCRC journey of discovery led us from second-line to first-line FIRST LINE Provided initial signal of efficacy in second-line RAS-mutated mCRC SECOND Ph 1 b/2 KRAS-mutated mCRC 66 evaluable patients, LINE (TROV-054) : single arm COMPLETED

  15. Slide 15: ONSEMBLE randomized second-line trial discontinued

    Our mCRC journey of discovery led us from second-line to first-line FIRST Randomized second-line trial LINE designed to show onvansertib’s contribution to SoC that was discontinued SECOND LINE * ONSEMBLE enrolled 23 patients, and 2 patients were not evaluable because one withdrew consent prior to th

  16. Slide 16: Shift to first-line setting

    Our mCRC journey of discovery led us from second-line to first-line FIRST Shift to 1s+line setting based on: 1. Phase 1b/2 clinical data LINE 2. New mechanism of action 3. FDA recommendation 4. ONSEMBLE validation CRDF-004 ENROLLING RAS-mutated mCRC 90 patients, randomized, 3 arms (2 doses + control

  17. Slide 17: Phase 1b/2 trial completed

    Our mCRC journey of discovery led us from second-line to first-line FIRST LINE SECOND Ph 1 b/2 KRAS-mutated mCRC 66 evaluable patients, LINE (URONHOY single arm COMPLETED * ONSEMBLE enrolle

  18. Slide 18: RAS mutated: first and second line

    Normal 1st LINE 2nd LINE RAS Mutated

  19. Slide 19: RAS mutated: first and second line

    Normal 1st LINE 2nd LINE RAS Mutated

  20. Slide 20: Phase 1b/2 trial design

    ENROLLMENT CRITERIA EFFICACY ENDPOINTS 1 2 28 DAY CYCLE 3

  21. Slide 21: Bev exposed vs bev naive patients

    Bev exposed vs bev naïve patients 1st LINE 2nd LINE

  22. Slide 22: Bev naive patients achieved higher response rates

    Ph 1b/2 trial bev naive patients achieved higher response rates Best Radiographic Response and Duration of Response* - 66 evaluable patients (as of June 16, 2023) All Bev patients naive N 66 15 ORR 29% (19) 73% (11) 95% Cl (18-41%) (45-92%) mDoR = 12.0mo_ 13.0mo 95% Cl (8.9,-) | (12.0, -) Disease Co

  23. Slide 23: Response by KRAS variant

    KRAS G12C Variant CR+PR SD PD Total G12D G12V G13D G12S G12A Q61H G13C

  24. Slide 24: mPFS exceeds historical controls for SoC

    Ph 1b/2 trial mPFS exceeds historical controls for SoC Progression free survival* — 66 evaluable patients (as of June 16, 2023) Probability of Survival 1.00 075+ — All patients OB] aaceaceecccenns nd 0.25 0.00 3 6 3 io 5 20 2 Months Characteristic N EventN mPFS (95%C!) 9.3 (78, 14) Overall 66 42 8 P

  25. Slide 25: No single patient characteristic explains response difference

    No single patient characteristic explains the difference in response rates by prior bev status

  26. Slide 26: Scientific basis for clinical findings

    Scientific basis for clinical findings

  27. Slide 27: Combination had superior anti-tumor activity

    The combination had significant superior anti-tumor activity compared to the single agents SW620 (KRAS G12V) 2500 2000 Tumor volume (mm3) 1500 1000 500 0 0 10 20 30

  28. Slide 28: Tumors from onv + bev treated mice appear smaller and pale

    • • • KRAS-mut mCRC tumors from mice treated with onv + bev appear smaller and pale (less vascularized)

  29. Slide 29: Tumor growth, hypoxia and HIF1α

    α Tumor growth Hypoxia HIF1α HIF1a α

  30. Slide 30: Onvansertib and bevacizumab mechanism

    Tumor growth Hypoxia HIF1α onvansertib α α bevacizumab

  31. Slide 31: Onvansertib inhibited hypoxia-induced HIF1α expression

    α In 4 RAS-mutant CRC cell lines1, onvansertib inhibited hypoxia-induced HIF1α expression α α α α PLK1 inhibition using siRNA against PLK1 (siPLK1)2 prevented hypoxia-induced HIF1α expression α α β β α

  32. Slide 32: Tumor biopsy samples identified

    135 tumor biopsy samples identified

  33. Slide 33: ONSEMBLE trial discontinued

    Our mCRC journey of discovery led us from second-line to first-line FIRST LINE SECOND LINE CRDF-003 @ONSEMBLE mCRC Clinical Trial DISCONTINUED RAS-mutated mCRC 23 patients”, randomized, blinded, 3 arms (2 doses + control) 33

  34. Slide 34: ONSEMBLE trial design

    ENROLLMENT CRITERIA 28 DAY CYCLE PRIMARY ENDPOINT

  35. Slide 35: ONSEMBLE bev naive patients achieved deeper responses than SoC alone

    ONSEMBLE bev naive patients treated with onvansertib + SoC achieved deeper responses than SoC alone Best Radiographic Response* — QONSEMBLE patients (as of February 26, 2024) mCRC Clinical Trial Bev Naive Bev Exposed Onvansertib + FOLFIRI / bev Onvansertib + FOLFIRI / bev FOLFIRI / bev alone FOLFIRI

  36. Slide 36: Change in tumor size, bev naive patients

    ONSEMBLE bev naive patients treated with onvansertib + SoC achieved deeper responses than SoC alone Change in tumor size from baseline* — QONSEMBLE bev naive patients (as of February 26, 2024) mCRC Clinical Trial Bev naive: onvansertib + FOLFIRI/bev arm Bev naive: FOLFIRI/bev (control) arm 100+ 100+

  37. Slide 37: Change in tumor size, onvansertib arm

    ONSEMBLE bev naive patients treated with onvansertib + SoC achieved deeper responses than SoC alone Change in tumor size from baseline* — QONSEMBLE bev naive patients (as of February 26, 2024) mCRC Clinical Trial Bev naive: onvansertib + FOLFIRI/bev arm 100+ Best response of: Lesion was later biopsy

  38. Slide 38: Two independent trials demonstrate the bev naive finding

    Two independent clinical trials demonstrate the bev naive finding Objective Response Rate (ORR) by Cohort* N Bev Naive Bev Exposed QONSEMBLE Onvansertib 15 50% 0% ——— + SoC ota eat Control 6 0% 0% (SoC alone) (0 of 3) (0 of 3) Phase 1b/2 Onvansertib 66 73% 16% Single-arm + SoC (11 of 15) (8 of 51) s

  39. Slide 39: ONSEMBLE data support CRDF-004 first-line strategy

    ONSEMBLE second-line data support our CRDF-004 first-line strategy Efficacy signal in bev naive patients No SoC signal in the control arm Signal in both 20mg & 30mg dose Results from G ONSEMBLE Second-line RAS-mut mCRC Objective responses observed only in bev naive patients that received onvansertib

  40. Slide 40: Path forward to accelerated approval

    Fighting mCRC through PLK1 inhibition Robust data in lead mCRC program Path forward to accelerated approval

  41. Slide 41: CRDF-004 first-line trial and eligible patients

    Our mCRC journey of discovery led us from second-line to first-line FIRST LINE SECOND LINE Annual eligible US patients* First-line Second-line , All bev naive 9.5k | bev naive ( mCRC RAS-mut * Company estimates of firstline and second-line mCRC population with KRAS- and NRAS-mutated cancers. CRDF-00

  42. Slide 42: Clinical program agreed with FDA at June 2023 Type C meeting

    mCRC clinical development program agreed with FDA at June 2023 Type C meeting • • • • • • •

  43. Slide 43: CRDF-004 trial design

    ENROLLMENT CRITERIA 28 DAY CYCLE ENDPOINTS PFIZER IGNITE

  44. Slide 44: Historical controls include RAS-mut and wild-type cancers

    2nd Line mCRC 1st line mCRC 2nd Line mCRC 1st line mCRC Given the design of prior trials, historical controls include RAS-mut and RAS wild-type cancers

  45. Slide 45: Pfizer Ignite

    PFIZER BREAKTHROUGH GROWTH INITIATIVE PFIZER Ignite • • • • •

  46. Slide 46: Onvansertib highlights and upcoming data

    First-in-Class Robust clinical data in FDA Pfizer PLK1 inhibitor 2L KRAS-mut mCRC • Onvansertib • 73% • FDA • Pfizer ~25% • 15 month • Pfizer • ~8 month • ONSEMBLE We expect clinical data from our 1st line RAS-mutated mCRC trial in H2 2024

  47. Slide 47: Appendix: Additional mCRC Data

    Appendix Additional mCRC Data

  48. Slide 48: Phase 1b/2 patient demographics

    Ph 1b/2 trial’s patient demographics reflects 2"4 line mCRC population Enrollment* Number of Patients (N) Treated Total Patients N=68 Age (years) Sex Male Female ECOG 0) 1 Primary tumor site Colon Rectum Other Phase 1b, Dose Level 0 Phase 1b, Dose Level +1 Onvansertib 12 mg/m? Onvansertib 15 mg/m? 6

  49. Slide 49: Bev naive patients experienced more durable responses

    Ph 1b/2 trial bev naive patients experienced more durable responses Swimmer plot* - 66 evaluable patients (as of June 16, 2023) All Bev Bev patients naive exposed Pursued surgery / ablation 18% 12/60) 53% (g/15) 8% 4/51) Initial PR at 8 week scan 9 8 1 Initial PR at 16+ week scan 10 3 7 o eeeeeeee e

  50. Slide 50: Treatment-emergent adverse events

    • TEAE GR1 GR2 GR3 GR4 TOTAL TEAE GR1 GR2 GR3 GR4 TOTAL Fatigue 24 22 7 0 53 78% Cough 11 0 0 0 11 16% • Neutropenia 1 18 23 7 49 72% Pyrexia 8 1 1 0 10 15% Nausea 29 13 4 0 46 68% Dyspnea 7 3 0 0 10 15% • Diarrhea 21 13 4 0 38 56% AST Increase 7 2 1 0 10 15% Leukopenia 9 14 5 1 29 43% Lymphocytopen

  51. Slide 51: ONSEMBLE patient demographics

    ONSEMBLE’s patient demographics reflect second-line mCRC population Enrollment* Number of Patients (N) FOLFIRI and bev Intent to Treat 8 Treated (included in safety evaluable patients) 7 Evaluable for efficacy 6 Total Patients N=22 Median [range] or n (%) Age (years) 53 [35-81] Sex Male 12 (54%) Fem

  52. Slide 52: ONSEMBLE swimmer plot

    ONSEMBLE swimmer plot Bev Naive Bev Naive Bev Exposed Bev Exposed lesion, which have clinical b jater biopsy-confirmed as a Valley fever (fun: nefit from second-line standard of care treati Swimmer plot* — ONSEMBLE mCRC Clinical Trial patients (as of February 26, 2024) fe] fe] e ie) ° e te) e e io]

  53. Slide 53: ONSEMBLE bev exposed patients showed no responses

    ONSEMBLE bev exposed patients, with or without onvansertib, showed no responses Change in tumor size from baseline* — @ONSEMBLE bev exposed patients (as of February 26, 2024) mCRC Clinical Trial Bev exposed: onvansertib + FOLFIRI/bev arm Bev exposed: FOLFIRI/bev (control) arm 100+ 100+ © Best respon

  54. Slide 54: ONSEMBLE control arm adverse events

    ONSEMBLE Control Arm: Treatment Emergent Adverse Effects (TEAEs) N (% of total) Grade 1 Grade 2 Grade 3 Grade 4 Total Control arm Any Adverse Events 6 (85.7) 6 (85.7) 3 (42.9) 0( 0.0) 6 (85.7) Diarrhea 3 (42.9) 1 (14.3) 0( 0.0) 0( 0.0) 4 (57.1) (N=7) Nausea 2 ( 28.6) 1 (14.3) 1 (14.3) 0( 0.0) 4 (57.

  55. Slide 55: Onvansertib 30mg arm adverse events

    ONSEMBLE onvansertib 30mg Arm TEAEs: Onvansertib in combination with FOLFIRI+bev is well-tolerated N (% of total) Grade 1 Grade 2 Grade 3 Grade 4 Total . Any Adverse Events 7 (100.0) 7 (100.0) 4 (57.1) 0( 0.0) 7 (100.0) Experimental arm Diarrhea 1 (143) 1(143) 2( 28.6) 0( 0.0) 4(57.1) Onv 30mg (N=7)

  56. Slide 56: Onvansertib 20mg arm adverse events

    Onvansertib 20mg Arm TEAEs: Onvansertib in combination with FOLFIRI+bev is well-tolerated N (% of total) Grade 1 Grade 2 Grade 3 Grade 4 Total . Any Adverse Events 8 (100.0) 7 (87.5) 2 (25.0) 2(25.0) 8 (100.0) Experimental arm Diarrhea 4 (50.0) 3 (37.5) 0( 0.0) 0( 0.0) 7 (87.5) Onv 20mg (N=8) Nausea

  57. Slide 57: Preclinical combination tumor growth

    Vehicle Bev – Onv Onv+Bev – Bev+Irin *** Onv+Irin ** Onv+Bev+Irin *

  58. Slide 58: Patient-derived models KRAS G12D and G12C

    C1143 (KRAS G12D) 600 Vehicle 400 Onvansertib Irinotecan 200 200 Onv+Irino 150 100 *** 50 ** 0 0 5 10 15 20 -50 Treatment time (days) C1144 (KRAS G12C) 250 200 **** 150 100 ** 50 0 0 5 10 15 20 Treatment time (days)

  59. Slide 59: Patient-derived models KRAS G12C, G12D, G13D

    B8239 (KRAS G12C) C1143 (KRAS G12D) 800 300 600 200 400 *** 100 200 **** *** * 0 0 5 10 15 20 0 5 10 15 20 Treatment time (days) Treatment time (days) C1138 (KRAS G13D) 300 200 *** 100 ** 0 0 5 10 15 20 Treatment time (days)

  60. Slide 60: Onvansertib inhibits vascularization in vitro

    Onvansertib inhibits vascularization in vitro Tube formation assay: HUVEC endothelial cells seeded onto a 3D extracellular matrix form tube-like structures upon stimulation with the angiogenic factor VEGFA, simulating the formation of new blood vessels Treatment with onvansertib (25, 100 and 400nM)

  61. Slide 61: Appendix: Metastatic Pancreatic Adenocarcinoma (mPDAC)

    Appendix: Metastatic Pancreatic Adenocarcinoma (mPDAC)

  62. Slide 62: Path forward: Move to 1st line mPDAC

    mPDAC mPDAC CRDF-001 Ph 2 Second-Line Trial Biomarker Discovery Trial (IIT) • • Path forward: Move to 1st line mPDAC •

  63. Slide 63: Path forward: Move to 1st line mPDAC

    mPDAC mPDAC CRDF-001 Ph 2 Second-Line Trial Biomarker Discovery Trial (IIT) • • Path forward: Move to 1st line mPDAC •

  64. Slide 64: CRDF-001 trial design

    ENROLLMENT CRITERIA OBJECTIVE PRIMARY ENDPOINT 14 DAY SECONDARY ENDPOINT CYCLE

  65. Slide 65: Onvansertib+SoC has higher efficacy than historical controls

    Onvansertib+SoC has higher efficacy than 2" line historical controls Best Radiographic Response - 21 evaluable patients (as of September 13, 2023)* 100 a © Historical controls! £ 2 50 24 \ine 15 line 4 CRDF-001 mPDAC mPDAC Best Response : | 9, 6 PD ORR is 77% 23% $8 0 O 0 @ O (4/21) 2 | ia 2 is 8 Su

  66. Slide 66: Stable disease patients converted to partial responses

    Stable disease patients have converted to partial responses over time Swimmer plot — 23 evaluable patients (as of September 13, 2023)* Q oO ie} 085 te} e e Reason for Discontinuation (o} [e) Adverse Event — — 7 Death Disease Progression (} e e @ Withdrawal of Informed Consent Response oO @ Progressi

  67. Slide 67: Patient responses can deepen over time

    Patient responses to onvansertib+SoC can deepen over time Spider plot - 21 evaluable patients (as of September 13, 2023)* 100+ ( mPFS for SoC is 3.1 months | T £ I 3 ! 5 - 2 20+ i} Best Response 2 of — Partial Response $ — Progressive Disease 2 — Stable Disease © 30+ @ Confirmed PR 3, ! © Waiting fo

  68. Slide 68: Onvansertib+SoC has longer median PFS than historical controls

    Onvansertib+SoC has longer median PFS than 2"9 line historical controls Progression-free survival — 23 evaluable patients (as of September 13, 2023)* Historical controls! 2r9 line CRDF-001 mPDAC mPFS 5.0mos 3.1 mos 16 week progression- 56% van free? available mber 13, 2023 from 1% line mPDAC 5.5 mos

  69. Slide 69: Path forward: Move to 1st line mPDAC

    mPDAC mPDAC CRDF-001 Ph 2 Second-Line Trial Biomarker Discovery Trial (IIT) • • Path forward: Move to 1st line mPDAC •

  70. Slide 70: Biomarker trial enrollment criteria and objectives

    ENROLLMENT CRITERIA OBJECTIVES • •

  71. Slide 71: Tumor responder vs non-responder patients

    • • Patient 28 (tumor responder) Patient 33 (tumor non-responder)     

  72. Slide 72: Path forward: Move to 1st line mPDAC

    mPDAC mPDAC CRDF-001 Ph 2 Second-Line Trial Biomarker Discovery Trial (IIT) • • Path forward: Move to 1st line mPDAC •

  73. Slide 73: First-line mPDAC trial design

    SUBSEQUENT CHEMO + ENROLLMENT CRITERIA TWO LEAD-IN COHORTS ONVANSERTIB TREATMENT* • • PRIMARY ENDPOINT 28 DAY CYCLE SECONDARY ENDPOINTS

  74. Slide 74: Appendix: Investigator-Initiated Trial Small Cell Lung Cancer (SCLC)

    Appendix: Investigator-Initiated Trial Small Cell Lung Cancer (SCLC)

  75. Slide 75: Onvansertib demonstrates single-agent activity in SCLC

    Onvansertib demonstrates single-agent activity in SCLC TRIAL RATIONALE Onvansertib monotherapy showed significant tumor growth inhibition against platinum-sensitive and -resistant models Tumor volume (mm3) 2, cisplatin 3mg/kg IP weekly, or In vivo efficacy of onvansertib monotherapy (SCLC xenografts

  76. Slide 76: SCLC trial design

    ENROLLMENT CRITERIA OBJECTIVE PRIMARY ENDPOINT 21 DAY CYCLE SECONDARY ENDPOINTS

  77. Slide 77: Appendix: Investigator-Initiated Trial Triple Negative Breast Cancer (TNBC)

    Appendix: Investigator-Initiated Trial Triple Negative Breast Cancer (TNBC)

  78. Slide 78: Onvansertib + paclitaxel is superior to single agent therapy

    Onvansertib + paclitaxel is superior to single agent therapy TRIAL RATIONALE In vivo efficacy of onvansertib in combination with paclitaxel Tp53-Mutant SUM159 xenografts* The combination of onvansertib + paclitaxel = 1200- showed significant synergy S e 1000 + control (n=8) =) re 800 | a So 600-1 Lo

  79. Slide 79: TNBC trial design

    ENROLLMENT CRITERIA PRIMARY ENDPOINTS − 28 DAY CYCLE

  80. Slide 80: TNBC trial endpoints

    ENROLLMENT CRITERIA PRIMARY ENDPOINTS − 28 DAY CYCLE SECONDARY ENDPOINT

Cardiff Oncology — Investor Presentation (May 2024) on 6ix