Cardiff Oncology, Inc. · NASDAQ:CRDF

Cardiff Oncology — Investor Presentation (September 2022)

75 slides from Cardiff Oncology's investor presentation, September 2022

  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: Chemotherapy agents damage a cancer cell's ability to replicate

    Many chemotherapy agents damage a cancer cell’s ability to replicate DNA Further synthesis cell growth Initial Mitosis cell growth (cell division)

  4. Slide 4: Cancers thrive because they prioritize DNA replication and cell division

    Cancers thrive because they prioritize DNA replication and cell division

  5. Slide 5: PLK1 is a master regulator of genome integrity during cell replication

    PLK1 is a master regulator of genome integrity during cell replication DNA Further synthesis cell growth Initial cell growth (cell division)

  6. Slide 6: PLK1 plays multiple roles during cell cycle

    PLK1 plays multiple roles S G2 during cell cycle S-Phase G1 M G2/M Checkpoint M-Phase

  7. Slide 7: PLK1 plays multiple roles during cell cycle

    PLK1 plays multiple roles S G2 during cell cycle S-Phase G1 M G2/M Checkpoint M-Phase

  8. Slide 8: PLK1 plays multiple roles during cell cycle

    PLK1 plays multiple roles S G2 during cell cycle S-Phase G1 M G2/M Checkpoint M-Phase

  9. Slide 9: Onvansertib inhibits PLK1

    PLK1 is a master regulator of genome integrity during cell replication ONVANSERTIB INHIBITS PLK1 onvansertib shuts down “OL PLK1's cell- HN preservation ion mechanisms, enhancing the efficacy of cell- damaging cancer therapies

  10. Slide 10: Onvansertib positions Cardiff Oncology to effectively target PLK1

    Onvansertib positions Cardiff Oncology to effectively target PLK1 PROPERTIES * Small molecule * Oral dosing ¢ 24-hour half-life SPECIFICITY Exquisitely specific for PLK1 ENZYME ICs (uM) PLK1 0.002 PLK2 >10 PLK3 >10 CK2 0.4 FLT3 0.4 CDK1/CycB >10 42 other kinases >10 and >140 in the Millipore panel 1

  11. Slide 11: What, Why, Where

    OS cardiff Oncology” Onvansertib has achieved Onvansertib works Cardiff Oncology can go

  12. Slide 12: What, Why, Where

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

  13. Slide 13: 1st Line, 2nd Line mCRC

    Normal 1st LINE 2nd LINE Mutated

  14. Slide 14: 1st Line, 2nd Line historical ORR

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

  15. Slide 15: 1st Line, 2nd Line mCRC

    Normal 1st LINE 2nd LINE Mutated

  16. Slide 16: KRAS/NRAS Mutations in mCRC

    KRAS/NRAS Mutations in mCRC1

  17. Slide 17: KRAS/NRAS Mutations in mCRC

    KRAS/NRAS Mutations in mCRC1 93%

  18. Slide 18: KRAS/NRAS Mutations in mCRC: MOA

    KRAS/NRAS Mutations in mCRC1 MOA 1 2

  19. Slide 19: Single arm trial design and enrollment criteria

    ENROLLMENT CRITERIA SINGLE ARM TRIAL 28 DAY CYCLE

  20. Slide 20: Single arm trial design and enrollment criteria

    ENROLLMENT CRITERIA SINGLE ARM TRIAL 28 DAY CYCLE 1 2 3

  21. Slide 21: Patients achieved a 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 m= Complete Response mm Partial Response mim Stable Disease © Confirmed CR © Confirmed PR mmm Progressive Disease a * Patients treated at the RP2D 30% tumor reductio

  22. Slide 22: We observe initial PRs up to eight months on treatment

    We observe initial PRs up to eight months on treatment ler te] °° PossepecesosaeaL Ragu) eoqoad poP00e090000,g eoce ie) 090 9° loo, 12] 9969 g e fe) 80, 090 09! a6, e ie] On Trial On Follow Up (On Treatment Response © Confirmed Complete Response © Complete Response © Confirmed Partial Response O Par

  23. Slide 23: Response by KRAS variant

    KRAS Variant CR+PR SD PD Total

  24. Slide 24: 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 [oy 42% mmm 8 Of 19 ALL DOSES m= 36% ALL DOSES 38% pum Ut DOSES 35% 17 of 487 Historical SoC* ORR 5 of 14 ° 34% RP2D 12 of 35+ 11.4% 13% 5% w, if T T T T T T T 2008 13 ‘17 Jan Apr Jul Oct Jan * 2008: Benn

  25. Slide 25: Progression Free Survival for mCRC trial exceeds SoC over time

    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

  26. Slide 26: What, Why, Where

    fe) Os Cardiff Oncology~ WHAT 3 Onvansertib has achieved Oe OC Oo) WHY =§ Onvansertib works O92 WHERE Cardiff Oncology can go

  27. Slide 27: Onvansertib's safety profile

    Onvansertib’s safety profile

  28. Slide 28: MOA 1: KRAS hypersensitivity; MOA 2: synergy with chemo

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

  29. Slide 29: MOA 1: KRAS hypersensitivity

    KRAS HYPERSENSITIVITY1 MOA 1

  30. Slide 30: MOA 1 and MOA 2

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

  31. Slide 31: DNA replication phase

    DNA REPLICATION PHASE S G2 TUMOR CELL CYCLE G1 M

  32. Slide 32: DNA replication phase, cell growth phase

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

  33. Slide 33: Cell growth phase

    CELL GROWTH PHASE S G2 TUMOR CELL CYCLE G1 M

  34. Slide 34: Cell growth phase

    CELL GROWTH PHASE S G2 TUMOR CELL CYCLE G1 M

  35. Slide 35: What, Why, Where

    WHAT 3 Onvansertib has achieved WHY 9 Onvansertib works OOO00 WHERE (Cardiff Oncology can go O5°O°

  36. Slide 36: Goals 2023-2025

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

  37. Slide 37: Demonstrate, Confirm, Position, Operate

    DEMONSTRATE CONFIRM POSITION OPERATE

  38. Slide 38: Day cycle and enrollment criteria

    ENROLLMENT CRITERIA 28 DAY CYCLE

  39. Slide 39: Enrollment criteria and endpoints

    ENROLLMENT CRITERIA ENDPOINTS Primary Key Secondary Other Secondary

  40. Slide 40: Combination trials and investigator-initiated trials

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

  41. Slide 41: Pfizer Breakthrough Growth Initiative summary terms

    Pfizer BREAKTHROUGH GROWTH INITIATIVE SUMMARY TERMS • • • • •

  42. Slide 42: Targets with and without oncogenic alterations

    Targets with Targets without oncogenic oncogenic alterations alterations

  43. Slide 43: We have 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

  44. Slide 44: At June 30, 2022, our financial position is robust

    At June 30, 2022, our financial position is robust mPDAC TNBC mCRC data readout data readout randomized data readout SCLC data readout QONSEMBLE mCRC Clinical Trial June 30, 2022 cash and investments® $122.0M Net cash used in Operating Activities” (Rolling two-quarter period ending June 30, 2022) $1

  45. Slide 45: KRAS-Mutated Metastatic Colorectal Cancer (mCRC)

    KRAS-Mutated Metastatic Colorectal Cancer (mCRC)

  46. Slide 46: 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

  47. Slide 47: No major/unexpected toxicities

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

  48. Slide 48: Phase 1b/2 trial design

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

  49. Slide 49: Progression Free Survival for mCRC trial exceeds SoC over time

    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

  50. Slide 50: Predictive response biomarker

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

  51. Slide 51: 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

  52. Slide 52: Historical reference

    HISTORICAL REFERENCE PFS OS 5.7 11.2 4.5 11.5 5.6 —

  53. Slide 53: Design and stats

    ENROLLMENT CRITERIA DESIGN • • • • STATS • • •

  54. Slide 54: KRAS-Mutated mCRC Bevacizumab Subgroup Data

    KRAS-Mutated Metastatic Colorectal Cancer Bevacizumab Subgroup Data

  55. Slide 55: The trial's patient demographics reflect second-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

  56. Slide 56: 1st Line, 2nd Line mCRC Ph1b/2 trial

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

  57. Slide 57: 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

  58. Slide 58: 2nd line 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

  59. Slide 59: No single patient characteristic explains observed ORR difference

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

  60. Slide 60: Actions and opportunity

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

  61. Slide 61: Metastatic Pancreatic Adenocarcinoma (mPDAC)

    Metastatic Pancreatic Adenocarcinoma (mPDAC)

  62. Slide 62: mPDAC trial design, 14 day cycle

    ENROLLMENT CRITERIA SINGLE ARM TRIAL 14 DAY CYCLE

  63. Slide 63: mPDAC trial design, 14 day cycle

    ENROLLMENT CRITERIA SINGLE ARM TRIAL 1 14 DAY CYCLE 2 3

  64. Slide 64: 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

  65. Slide 65: 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

  66. Slide 66: Investigator-Initiated Trial: Triple Negative Breast Cancer (TNBC)

    Investigator-Initiated Trial Triple Negative Breast Cancer (TNBC)

  67. Slide 67: Onvansertib + paclitaxel is superior to single agent therapy

    Onvansertib + paclitaxel is superior to single agent therapy TRIAL RATIONALE The combination of onvansertib + paclitaxel showed significant synergy In vivo efficacy of onvansertib in combination with paclitaxel Tp53-Mutant SUM159 xenografts* > 1200 € £ 1000 E control (n=8) =) 3 800 > IS) 600 paclita

  68. Slide 68: TNBC trial design and primary endpoints

    ENROLLMENT CRITERIA PRIMARY ENDPOINTS − 28 DAY CYCLE

  69. Slide 69: TNBC trial design, primary and secondary endpoints

    ENROLLMENT CRITERIA PRIMARY ENDPOINTS − 28 DAY CYCLE SECONDARY ENDPOINT

  70. Slide 70: Investigator-Initiated Trial: Small Cell Lung Cancer (SCLC)

    Investigator-Initiated Trial Small Cell Lung Cancer (SCLC)

  71. Slide 71: 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

  72. Slide 72: SCLC trial design and endpoints

    ENROLLMENT CRITERIA PRIMARY ENDPOINT SECONDARY ENDPOINTS 21 DAY CYCLE

  73. Slide 73: PARPi Pre-Clinical Data

    O00 . Lo. OOO PARP Pre-Clinical Data Ooo

  74. Slide 74: Onvansertib + PARP inhibitors

    Onvansertib + PARP inhibitors

  75. Slide 75: Onvansertib + PARP inhibitors: Probability of Survival

    Onvansertib + PARP inhibitors* Probability of Survival

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