Cardiff Oncology, Inc. · NASDAQ:CRDF

Cardiff Oncology — Investor Presentation (March 2023)

72 slides from Cardiff Oncology's investor presentation, March 2023

  1. Slide 1: Company Overview: The Onvansertib Opportunity

    Company Overview The Onvansertib Opportunity

  2. Slide 2: Forward-looking statements

    Forward-looking statements CERTAIN STATEMENTS IN THIS PRESENTATION ARE FORWARD-LOOKING within the meaning of the Private Securities Litigation Reform Act of 1995, These statements may be identified by the use of words such as “anticipate,” "believe," "forecast," "estimated" and "intend" or other sim

  3. Slide 3: Our Drug: Onvansertib

    Our Drug: WHAT Onvansertib WHERE WHY

  4. Slide 4: Our Drug: Onvansertib

    Our Drug: PROPERTIES • SPECIFICITY Onvansertib • •

  5. Slide 5: Targets with and without oncogenic alterations

    Targets with Targets without oncogenic oncogenic alterations alterations

  6. Slide 6: WHAT WHERE WHY

    OS cardiff Oncology” Onvansertib has achieved Cardiff Oncology is going Onvansertib works

  7. Slide 7: WHAT WHERE WHY

    Scarditt Oncology~ OO0O00 WHAT Onvansertib has achieved 05°52 WHERE Cardiff Oncology is going WHY 9 Onvansertib works

  8. Slide 8: 1st Line 2nd Line

    Normal 1st LINE 2nd LINE Mutated

  9. Slide 9: 1st Line 2nd Line Historical ORR

    Normal 1st LINE 2nd LINE HISTORICAL* ORR 5% Mutated 11.4% 13%

  10. Slide 10: 1st Line 2nd Line

    Normal 1st LINE 2nd LINE Mutated

  11. Slide 11: KRAS/NRAS Mutations in mCRC: MOA

    KRAS/NRAS Mutations in mCRC1 MOA 1 2

  12. Slide 12: KRAS/NRAS Mutations in mCRC

    KRAS/NRAS Mutations in mCRC1

  13. Slide 13: KRAS/NRAS Mutations in mCRC

    KRAS/NRAS Mutations in mCRC1 93%

  14. Slide 14: Single Arm Trial: Enrollment Criteria

    ENROLLMENT CRITERIA SINGLE ARM TRIAL 28 DAY CYCLE

  15. Slide 15: Single Arm Trial: Enrollment Criteria

    ENROLLMENT CRITERIA SINGLE ARM TRIAL 28 DAY CYCLE 1 2 3

  16. Slide 16: Objective Response Rate for mCRC trial exceeds SoC over time

    Objective Response Rate for mCRC trial exceeds SoC over time Onvansertib+SoC ORR over time RP2D % mmm 8 of 19 42% ° ALL DOSES m= 36% ALL DOSES 38% phase 35% 17 of 487 . . Ol Historical SoC* ORR 5 of 14 34% RP2D 12 of 35+ 11.4% 13% 5% TP if T T T T T T T 2008 13 ‘17 Jan Apr Jul Oct Jan * 2008: Bennou

  17. Slide 17: Strong, durable response with onvansertib + SoC

    Patients achieved a strong, durable response with onvansertib + SoC Best Radiographic Response® -— all doses (as of July 25, 2022) 100 All ° mm Complete Response mm Partial Response mim Stable Disease Doses RP2D 3 @ Confirmed CR @ Confirmed PR: m= Progressive Disease . . & %* Patients treated at the

  18. Slide 18: Initial PRs up to eight months on treatment

    We observe initial PRs up to eight months on treatment oO oO o oO e a cy 3 8 oe = Swimmer plot* — all doses (as of July 25, 2022) oO fo} fo} fo} oO oO 2 re} e oe fo} ce} re} ro} . 3 0 ¢ Evaluable Patients — all doses 48 S 2 oO 2 o <a : o o ie} n ert = Time of initial PR o o o ‘On Trial On Follow Up

  19. Slide 19: KRAS Variant Response

    KRAS Variant CR+PR SD PD Total

  20. Slide 20: Progression Free Survival for mCRC trial exceeds SoC

    Progression Free Survival for mCRC trial exceeds SoC over time Onvansertib+SoC mPFS - as of July 25, 2022 ALL DOSES Historical SoC* mPFS (mo) ==9 4 mot ==9 4 mot 9.3 mot RP2D 2008 2013 2017 oI: Jan Apr Jul Oct t Onvansertib mPFS are interim data from an ongoing trial and unlocked database * 2008: Be

  21. Slide 21: WHAT WHERE WHY

    fe) Os Cardiff Oncology~ WHAT 3 Onvansertib has achieved OOO00 WHERE Cardiff Oncology is going 05°52 WHY 9 Onvansertib works

  22. Slide 22: Goals 2023-2025

    2023 2024 2025 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 GOALS 1 2

  23. Slide 23: Demonstrate, Confirm, Position, Operate

    DEMONSTRATE CONFIRM POSITION OPERATE

  24. Slide 24: Enrollment Criteria, 28 Day Cycle

    ENROLLMENT CRITERIA 28 DAY CYCLE

  25. Slide 25: Enrollment Criteria and Endpoints

    ENROLLMENT CRITERIA ENDPOINTS Primary Key Secondary Other Secondary

  26. Slide 26: Combination trials and status

    Combination with: Preclinical Ph1/2 Ph2/3 Status Investigator-initiated trials Investigator

  27. Slide 27: WHAT WHERE WHY

    WHAT 3 Onvansertib has achieved WHERE Cardiff Oncology is going @) O Ie OOS WHY 9 Onvansertib works O e)

  28. Slide 28: Onvansertib's safety profile

    Onvansertib’s safety profile

  29. Slide 29: MOA 1: KRAS Hypersensitivity; MOA 2: Synergy with Chemo

    KRAS HYPERSENSITIVITY1 SYNERGY WITH CHEMO S G2 G1 M MOA 1 MOA 2

  30. Slide 30: MOA 1: KRAS Hypersensitivity; MOA 2: Synergy with Chemo

    KRAS HYPERSENSITIVITY1 SYNERGY WITH CHEMO S G2 G1 M MOA 1 MOA 2

  31. Slide 31: Tumor cell cycle: DNA replication phase

    DNA REPLICATION PHASE S G2 TUMOR CELL CYCLE G1 M

  32. Slide 32: Tumor cell cycle: cell growth phase

    DNA REPLICATION PHASE CELL GROWTH PHASE S G2 TUMOR CELL CYCLE G1 M

  33. Slide 33: Tumor cell cycle: cell growth phase

    CELL GROWTH PHASE S G2 TUMOR CELL CYCLE G1 M

  34. Slide 34: Tumor cell cycle: cell growth phase

    CELL GROWTH PHASE S G2 TUMOR CELL CYCLE G1 M

  35. Slide 35: Targets with and without oncogenic alterations

    Targets with Targets without oncogenic oncogenic alterations alterations

  36. Slide 36: Multiple important catalysts over the next two years

    We have multiple important catalysts over the next two years mPDAC TNBC mCRC data readout data readout randomized data readout SCLC data readout Gg ONSEMBLE mCRC Clinical Trial 39 23 15 0 lJ mCRC mPDAC TNBC SCLC 2L K/N-mut 2b 2Linvasive Salvage 36

  37. Slide 37: At December 31, 2022, our financial position is robust

    At December 31, 2022, our financial position is robust mPDAC TNBC data readout data readout SCLC data readout mCRC randomized data readout QONSEMBLE mCRC Clinical Trial December 31, 2022 cash and investments” $105.3M Net cash used in Operating Activities” $16.9M (Rolling two-quarter period ending De

  38. Slide 38: Pfizer Breakthrough Growth Initiative

    Pfizer BREAKTHROUGH GROWTH INITIATIVE SUMMARY TERMS • • • • •

  39. Slide 39: KRAS-Mutated Metastatic Colorectal Cancer (mCRC)

    KRAS-Mutated Metastatic Colorectal Cancer (mCRC)

  40. Slide 40: Summary of onvansertib mCRC Ph1b/2 trial data over time

    Summary of onvansertib mCRC Ph1b/2 trial data over time Data Cutoff Date Evaluable Patients ORR (CR+PR) Confirmed CR/PRs Duration of Response mPFS Disease control rate (CR+PR+SD) * Data releases include certain follow up data and reflect interim data from an ongoing trial and unlocked database ASCO

  41. Slide 41: No major/unexpected toxicities

    GRADE GRADE No major/unexpected toxicities TEAEs* 1 2 3 4 All TEAEs* 1 2 3 4 All • • •

  42. Slide 42: Phase 1b/2 trial design

    ENROLLMENT CRITERIA SINGLE ARM TRIAL PHASE 1b PHASE 2 28 DAY CYCLE

  43. Slide 43: Progression Free Survival for mCRC trial exceeds SoC

    Progression Free Survival for mCRC trial exceeds SoC over time Progression free survival® — all doses (as of July 25, 2022) gs 1.00 5 2 a nn Historical SoC* mPFS (mo) 4 0.75 4 5.6 4 _/ 45 2 0.504 a i 0.25 5 2008 2013 2017 0.00 ~ Median PFS: 93 0 5 10 15 20 Months * mPFS is interim data from an ongoi

  44. Slide 44: Predictive response biomarker

    % KRAS Mutant Allelic Frequency (MAF)* Predictive response biomarker • • •

  45. Slide 45: Early Changes in KRAS MAF predicts clinical response

    Early Changes in KRAS MAF predicts clinical response ORR (%) KRAS RESPONDERS 64% 14 of 22 KRAS NON-RESPONDERS 9% 2 of 23 mPFS (mo) KRAS RESPONDERS 12.6 mo KRAS NON-RESPONDERS 6.0 mo Probability of Survival 1.005 0.50 + 0.25 5 0.00 ~' Onvansertib ORR and mPFS are interim data as of July 25, 2022 from

  46. Slide 46: Historical reference

    HISTORICAL REFERENCE PFS OS 5.7 11.2 4.5 11.5 5.6 —

  47. Slide 47: Design and stats

    ENROLLMENT CRITERIA DESIGN • • • • STATS • • •

  48. Slide 48: KRAS-Mutated mCRC Bevacizumab Subgroup Data

    KRAS-Mutated Metastatic Colorectal Cancer Bevacizumab Subgroup Data

  49. Slide 49: Trial patient demographics reflect 2nd line mCRC population

    The trial’s patient demographics reflects 24 line mCRC population Enrollment* Number of Patients (N) Treated Currently on treatment Total Patients N=50 Age (years) Sex Male Female ECOG 0 1 Primary tumor site Colon Rectum Other * Data are interim as of July 25, Phase 1b, Dose Level 0 Onvansertib 12 m

  50. Slide 50: 1st Line 2nd Line mCRC Ph1b/2 trial

    1st LINE 2nd LINE Normal mCRC Ph1b/2 trial RAS Mutated

  51. Slide 51: 2nd line efficacy data from historical trials in mCRC

    2nd LINE EFFICACY DATA FROM HISTORICAL TRIALS IN mCRC Normal 2nd Line ORR3-6 2nd Line mPFS (mo)1-2 2nd Line mOS (mo)1-2 RAS Mutated

  52. Slide 52: Historical controls vs onvansertib Ph1b/2 data

    2nd LINE HISTORICAL CONTROLS VS ONVANSERTIB* Ph 1b/2 DATA Normal 2nd Line ORR3-6 2nd Line mPFS (mo)1-2 RAS Mutated

  53. Slide 53: No single patient characteristic explains observed ORR difference

    No single patient characteristic explains observed ORR difference No Yes (naïve) (exposed) N=

  54. Slide 54: How should we respond to this observation?

    How should we respond ACTIONS to this observation? No Yes (naïve) (exposed) OPPORTUNITY

  55. Slide 55: Bev naive patients durability

    All Doses RP2D Bev naïve patients Durability

  56. Slide 56: No prior bev exposure vs bev exposure in 1st line

    No prior bev exposure (naïve) Bev exposure in 1st line Best response of: CR/PR SD PD

  57. Slide 57: Initial PRs up to eight months on treatment

    We observe initial PRs up to eight months on treatment ‘oo 294 90000869 oO 090 9° loo, 12] #ePPPonceeto09g0G 95) Pog ,° 999900" jop000090%0g ie} > 3 fe} su ° e o io} o o 8 > ° 5 > ° a ° 8 > ry e e 1 > ie} 9969 g e ie) D0 e— eee, © 080 0° Cogehs ° erie ee [ele} eee e On Trial (On Follow Up On Treatme

  58. Slide 58: Metastatic Pancreatic Adenocarcinoma (mPDAC)

    Metastatic Pancreatic Adenocarcinoma (mPDAC)

  59. Slide 59: mPDAC trial design: 14 day cycle

    ENROLLMENT CRITERIA SINGLE ARM TRIAL 14 DAY CYCLE

  60. Slide 60: mPDAC trial design: 14 day cycle

    ENROLLMENT CRITERIA SINGLE ARM TRIAL 1 14 DAY CYCLE 2 3

  61. Slide 61: Enrollment criteria and historical response rate

    ENROLLMENT CRITERIA HISTORICAL RESPONSE RATE* SINGLE ARM TRIAL 7.7% ORR 14 DAY 20% CYCLE HISTORICAL mPFS* 3.1 mo ≥6 mo

  62. Slide 62: Early data from our mPDAC trial is encouraging

    Early data from our mPDAC trial data is encouraging Swimmer plot* — as of August 30, 2022 Change in tumor size from baseline* [e) [e) {e) a [e) fe) Oo 6 @ 04-012 fe) fe) > g 20 (a! H [ a o 2 0 2 4 6 Months 7 E a t 704-008! < 05-014 © ¢<-——_-»—______e 05.009 0 2.5 5.0 7.5 Months 2 «a -20 aang On Trea

  63. Slide 63: Investigator-Initiated Trial: Triple Negative Breast Cancer (TNBC)

    Investigator-Initiated Trial Triple Negative Breast Cancer (TNBC)

  64. Slide 64: 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 _ control (n=8) =) 3 800 > IS) 600 paclitaxel (

  65. Slide 65: TNBC trial design and endpoints

    ENROLLMENT CRITERIA PRIMARY ENDPOINTS − 28 DAY CYCLE

  66. Slide 66: TNBC trial design and endpoints

    ENROLLMENT CRITERIA PRIMARY ENDPOINTS − 28 DAY CYCLE SECONDARY ENDPOINT

  67. Slide 67: Investigator-Initiated Trial: Small Cell Lung Cancer (SCLC)

    Investigator-Initiated Trial Small Cell Lung Cancer (SCLC)

  68. Slide 68: Onvansertib demonstrates single-agent activity in SCLC

    Onvansertib demonstrates single-agent activity in SCLC TRIAL RATIONALE In vivo efficacy of onvansertib monotherapy (SCLC xenografts)* Onvansertib monotherapy CISPLATIN RESISTANT CISPLATIN SENSIVITVE showed significant tumor = 2000 2000 growth inhibition against € con. platinum-sensitive and “> -resi

  69. Slide 69: SCLC trial design and endpoints

    ENROLLMENT CRITERIA PRIMARY ENDPOINT SECONDARY ENDPOINTS 21 DAY CYCLE

  70. Slide 70: PARPi Pre-Clinical Data

    O00 . Lo. OOO PARP Pre-Clinical Data Ooo

  71. Slide 71: Onvansertib + PARP inhibitors

    Onvansertib + PARP inhibitors

  72. Slide 72: Onvansertib + PARP inhibitors

    Onvansertib + PARP inhibitors* Probability of Survival

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