Kazia Therapeutics Ltd · NASDAQ:KZIA

Kazia Therapeutics — Investor Presentation (August 2025)

40 slides from Kazia Therapeutics's investor presentation, August 2025

  1. Slide 1: A Diversified Oncology Drug Development Company

    A Diversified Oncology Drug Development Company Kazia Corporate Overview August 2025 NASDAQ: KZIA | X: @KaziaTx

  2. Slide 2: Forward Looking Statements

    Forward Looking Statements This presentation contains forward -looking statements, which can generally be identified as such by the use of words such as “may,” “will,” “estimate,” “future,” “forward,” “anticipate,” “plan,” “expect,” “explore,” “potential” or other similar words. Any statement descri

  3. Slide 3: Company Overview

    Company Overview A late-clinical-stage oncology drug development company Corporate Highlights Licensing-driven business model Paxalisib EVT801 focused on high quality, differentiated clinical-stage assets sourced from Advanced breast cancer trial launched 1Q CY2025 Phase 1 final data anticipated CY2

  4. Slide 4: Pipeline – Two Differentiated Assets

    Pipeline – Two Differentiated Assets Clinical progress in rare, resistant and relapsing cancers Paxalisib licensed from: Investigational, small molecule, potential best-in-class, brain-penetrant inhibitor of PI3K / mTOR Preclinical PHASE 1 PHASE 2 PHASE 3 MARKET Collaborators / Sponsors Anticipated

  5. Slide 5: Paxalisib Mechanism of Action

    Paxalisib Mechanism of Action A brain-penetrant PI3K pathway inhibitor with modest mTOR activity, by design 1 2 Five PI3K inhibitors have already 3 Paxalisib – Unlocking the full potential The PI3K pathway is activated in been approved by FDA of PI3K pathway inhibition many forms of cancer • Chronic

  6. Slide 6: Paxalisib – Development History

    Paxalisib – Development History Expanding the clinical footprint of paxalisib into solid tumors beyond CNS 2012-2015 July 2023 August 2019 January2025 Genentech Phase 1 clinical Paxalisib received Fast GDC-0084 becomes study in 47 patients with February 2018 7 January 2021 Track Designation by the K

  7. Slide 7: Advanced Breast Cancer

    Advanced Breast Cancer 6

  8. Slide 8: Invasive breast cancer - unmet need

    Invasive breast cancer - unmet need Most worldwide common cancer among women 2.3 million1 ~1 in 8 Cases / year Women in the US Breast cancer will be diagnosed most commonly with invasive diagnosed cancer breast cancer American Cancer Incidence Society says Increased over >300,000 the last decade by

  9. Slide 9: Advanced breast cancer treatment landscape

    Advanced breast cancer treatment landscape Modest results for HER2- subtypes, despite checkpoint and PARP inhibitors 10%1 70% 4% 9% Subtypes HR-/HER2- HR+/HER2- HR-/HER2+ HR+/HER2+ (TNBC) 62% 38%3 PD-L1 PD-L1 Stratification CPS <10 CPS >10 80% 20%4 BRCA wt BRCA m Aromatase inhibitor + Pertuzumab + t

  10. Slide 10: Resistance, recurrence and metastatic spread

    Resistance, recurrence and metastatic spread Cancer Stem Cells and a functioning immune system play a critical role in recurrence and metastatic spread of cancers Loss of neoantigens E.g. Low tumor mutational burden and neoantigen load are associated with poor antigen-specific T cell response Immuno

  11. Slide 11: PI3K-mTOR inhibition may overcome metastasis and immunotherapy drug resistance

    PI3K-mTOR inhibition may overcome metastasis and immunotherapy drug resistance PI3K-mTOR inhibition + PI3K-mTOR inhibition Immunotherapy ↓ Metastasis-initiating cells & EMT ↓ Highly aggressive CD44high/CD24low cancer stem cell phenotype ↓ Persister cancer cell phenotype (p65, FOXQ1, NRF2, and NNMT)

  12. Slide 12: Paxalisib (GDC-0084)

    Paxalisib (GDC-0084) Designed to be best in class PI3K pathway inhibitor with modest mTOR activity Paxalisib Relevant marketed or active clinical PI3K inhibitor programmes • Potent, selective, oral, once a day Paxalisib Alpelisib Gedatolisib WXFL- dosing, no unexpected toxicities 10030390 (Kazia) (N

  13. Slide 13: Pre-clinical studies combining Paxalisib with checkpoint or PARP inhibitor

    Pre-clinical studies combining Paxalisib with either checkpoint inhibitor or PARP inhibitor resulted in highly consistent and statistically significant signals of efficacy 4T1 mouse model: • Standard model for TNBC • Immunotherapy resistant model • Highly tumorigenic and invasive Checkpoint Inhibito

  14. Slide 14: Kazia-sponsored clinical study overview

    Kazia-sponsored clinical study overview PAX-ABC STUDY: KZA-0084-ABC001 Phase 1b, multi-center, open-label, randomized study to evaluate the safety, tolerability, and clinical activity of combining paxalisib with olaparib or pembrolizumab/chemotherapy in approximately 24 patients with advanced breast

  15. Slide 15: Kazia-sponsored clinical study overview

    Kazia-sponsored clinical study overview KZA-0084-ABC001 Arm A: Arm B: Paxalisib plus Olaparib Paxalisib plus Pembrolizumab/chemotherapy 28 Day Cycle 21 Day Cycle 1 Participant disease characteristics: Participant disease characteristics: • HER2-negative stage IV (metastatic) breast • Recurrent, unre

  16. Slide 16: Early efficacy data from first TNBC patient in Phase 1b trial

    Early efficacy data from first TNBC patient in Phase 1b trial Combination regimen results in >50% reduction in circulating tumor cells (CTCs) Background Results Results at at Day Day 21 21 (End-of-Cycle (end-of-cycle 1) Patient profile • >50% reduction in total circulating • 61-year-old woman with m

  17. Slide 17: Development plan & timeline

    Development plan & timeline 2025 2026 2027 2028 2029 2030 2031 Lead indication Milestones Phase 1b Readout H1 2027 Phase 2 Start H2 2027 TNBC (Stage IV) Interim ORR/PFS readout / BTD request H2 2029 Combination with pembrolizumab 1st / 2nd line Phase 3 Start H1 2030 Submit NDA if threshold PFS/OS me

  18. Slide 18: Triple negative breast cancer market

    Triple negative breast cancer market Projected TNBC market to exceed $1.5 Billion by 2030 TNBC market growth forecast2 USD $1.5b Triple negative TNBC market breast cancer 15-20% valued at USD $953.8m USD $953.8m in Of all breast TNBC 2022. Predicted cancers most aggressive to grow to USD attributed

  19. Slide 19: Intellectual property: QIMR Berghofer Collaboration

    Intellectual property QIMR Berghofer Collaboration • Kazia has obtained an exclusive, worldwide, sub-licenseable, royalty-bearing license to the relevant patents from QIMR • Patent Overview (WO2024/108256A1) – PI3K inhibitors in combination with immunotherapy (including PARP inhibitors) for treating

  20. Slide 20: Paxalisib in triple negative breast cancer

    Paxalisib in triple negative breast cancer QIMR Berghofer Medical Institute collaboration “In treatment-resistant pre-clinical models of breast cancer, paxalisib (4T1 mouse model, TNBC1) has shown encouraging results in inhibiting both the primary tumor burden and metastasis by reinvigorating the im

  21. Slide 21: Glioblastoma

    Glioblastoma 20

  22. Slide 22: Glioblastoma Overview

    Glioblastoma Overview The most aggressive malignant brain cancer Lung No clear Any age, No clear but most improvement in cause common in prognosis for Breast or strong risk factors 60s 20 years 14 million cancer cases per annum Colon 3-4 months Five-year survival Prostate Stomach Survival, 3 – 5% if

  23. Slide 23: Paxalisib in Glioblastoma

    Paxalisib in Glioblastoma Consistent median Overall Survival data in two studies of NDU glioblastoma patients Standard of Care data GBM AGILE study (left) Compelling Paxalisib data in NDU patients and STUPP historical controls (right) in NDU when compared to SOC patients Paxalisib in Paxalisib in Co

  24. Slide 24: Paxalisib in Newly Diagnosed Unmethylated GBM Next Steps

    Paxalisib in Newly Diagnosed Unmethylated GBM Next Steps FDA Type C meeting was held in December 2024 to discuss next steps with key highlights of the discussion below: • The FDA's current position is that data on Overall Survival would generally not be appropriate for accelerated approval but could

  25. Slide 25: Childhood Brain Cancers

    Childhood Brain Cancers 24

  26. Slide 26: Paxalisib in Childhood Brain Cancer

    Paxalisib in Childhood Brain Cancer High unmet need especially in patients with diffuse midline gliomas (DMGs) 1 Brain cancer is the most common 2 Brain cancer represents about one 3 Prognosis of childhood brain malignancy of childhood third of childhood cancer deaths cancer, especially DMGs, has im

  27. Slide 27: Summary of Paxalisib in Childhood Brain Cancer

    Summary of Paxalisib in Childhood Brain Cancer Kazia is actively pursuing three forms of childhood brain cancer Diffuse Midline Gliomas Atypical Teratoid / Advanced Childhood Cancer (DMG, DIPG) Rhabdoid Tumors (AT/RT) (PI3K/mTOR activated) Positive preclinical data as Preclinical Positive preclinica

  28. Slide 28: Paxalisib in Diffuse Midline Gliomas

    Paxalisib in Diffuse Midline Gliomas Follow-up Phase 2 data presented at ISPNO 2024 Annual Meeting In spite of research that has helped improve treatment for DIPG patients, the prognosis remains poor–with the median survival range being from 8-11 months1 • 68 patients with biopsy-proven DMG were enr

  29. Slide 29: Brain Metastases

    Brain Metastases 28

  30. Slide 30: Paxalisib in Brain Metastasis

    Paxalisib in Brain Metastasis MSKCC-sponsored Phase 1 trial’s interim analysis showed encouraging clinical activity of paxalisib in combination with radiation therapy (NCT04192981) 12-13 August 2022 July 2023 February 2024 Data from first stage presented at Fast Track Designation granted by Announce

  31. Slide 31: Paxalisib in Brain Metastasis: 2024 ASTRO & SNO interim analysis

    Paxalisib in Brain Metastasis MSKCC-sponsored Phase 1 trial’s interim analysis presented at 2024 ASTRO* & Society of Neuro-oncology meetings showed encouraging clinical activity of paxalisib in combination with radiation therapy (NCT04192981) Robust response signal seen for concurrent Overall Summar

  32. Slide 32: EVT801

    EVT801 31

  33. Slide 33: EVT801 is a highly selective VEGFR3 inhibitor

    EVT801 is a highly selective VEGFR3 inhibitor, primarily inhibiting lymphangiogenesis (formation of new lymphatic vessels) Highly selective for VEGFR3 Expected to minimise off-target toxicities Oral Presentation Administered by mouth once or twice daily Strong IP Protection Inhibits lymphangiogenesi

  34. Slide 34: EVT801 Mechanism of Action

    EVT801 Mechanism of Action By targeting VEGFR3pos tumor blood vessels, EVT801 may induce tumor blood vessel normalization, reduce hypoxia, and improve CD8 T-cells infiltration Schematic overview based on pre-clinical data EVT801 activity on tumor microenvironment Tumor metastasis Normalization of tu

  35. Slide 35: EVT801: Phase 1 dose-finding trial

    EVT801: Phase 1 dose-finding trial; KZA 0801-101 (NCT05114668) Staged development in patients with advanced cancer l a i t n e d i f n Phase 1 study in advanced cancer patients completed STAGE 1 • Primary objective of stage one of the study was successfully Monotherapy dose escalation met: n<48 o MT

  36. Slide 36: EVT801 Key Points

    EVT801 Key Points 1 Well-understood mechanism (anti-angiogenesis) with unique differentiating feature (high VEGFR3 selectivity) 2 Strong preclinical data package, with observed activity in multiple tumors and favourable toxicology 3 Potential for combination use with immuno-oncology therapies 4 Phas

  37. Slide 37: 2025 Corporate Update

    2025 Corporate Update 36

  38. Slide 38: Paxalisib Licensing and Collaborations

    Paxalisib Licensing and Collaborations Opportunistic partnering and strategic collaborations continue to add value Licensing Key Collaborations Summary To develop, manufacture and commercialize To develop and Paxalisib as a potential Cutting edge preclinical program to evaluate Territories and comme

  39. Slide 39: Kazia Therapeutics: 2025 Corporate Focus

    Kazia Therapeutics: 2025 Corporate Focus Objectives for value creation Progress paxalisib in • Launch Kazia-sponsored phase 1b clinical study in advanced breast cancer patients advanced breast • Provide additional preclinical data and updates from the QIMR collaboration throughout the cancer year •

  40. Slide 40: www.kaziatherapeutics.com

    www.kaziatherapeutics.com info@kaziatherapeutics.com

Kazia Therapeutics — Investor Presentation (August 2025) on 6ix