Anaptysbio, Inc. · NASDAQ:ANAB

Anaptysbio — Investor Presentation (September 2026)

10 slides from Anaptysbio's investor presentation, September 2026

  1. Slide 1: Corporate Overview

    Corporate Overview September 2026

  2. Slide 2: Safe harbor statement

    Safe harbor statement This presentation and any accompanying oral presentation contains forward-looking statements within the meaning of the "safe harbor" provisions of the Private Securities Litigation Reform Act of 1995, including, but not limited to: the timing of the release of data from the GSK

  3. Slide 3: AnaptysBio: Focused on protecting and returning the royalty value to shareholders

    AnaptysBio Exclusively managing financial collaborations with GSK and Vanda Virtual Business Model  Significant and growing revenue streams  Cash and investments as of 6/30: for Jemperli with long IP protection $164.1MM  $644 million (£480 million) in global net  Streamlined operating structure

  4. Slide 4: AnaptysBio is entitled to significant 8% - 25% royalties on global net sales of Jemperli

    AnaptysBio is entitled to significant 8% - 25% royalties on global net sales of Jemperli 8%: $0 to $1.0 billion Royalty rate 12%: $1.0 to $1.5 billion (annual WW 20%: $1.5 to $2.5 billion net sales) 25%: >$2.5 billion (PD-1 antagonist) United States: 2035 Composition of Europe: 2036 Matter Patent Ex

  5. Slide 5: Jemperli is on a steep growth trajectory with GSK guiding to greater than £2 billion peak sales

    Jemperli is on a steep growth trajectory with GSK guiding to greater than £2 billion ($2.7 billion) peak monotherapy sales1 Jemperli Commercial Performance Quarterly Sales Performance $400 International Quarterly Net Sales $331 EU Quarterly Net Sales $27 $300 $262 US Quarterly Net Sales $331MM/£248M

  6. Slide 6: Jemperli is currently approved or being developed in markets with opportunities for transformational outcomes

    Jemperli is currently approved or being developed in markets where there are opportunities for transformational outcomes Development Stage and Anticipated Milestones Antibody IND Phase 3 / Phase 1 Phase 2 Commercial Program Indication Enabling Registrational 1L Approved in US Endometrial Cancer and

  7. Slide 7: Over the next 2+ years, there are many high-value Jemperli trial readouts

    Over the next 2+ years, there are many high-value Jemperli trial readouts across monotherapy indications 2026 2027 2028 Indication1 Trial Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Key Oncology Conferences2 AACR ASCO ESMO SITC ASCO- SGO AACR ASCO ESMO SITC ASCO-GI AACR ASCO SITC GI RUBY-Japan 1L Endometrial E

  8. Slide 8: GSK's development strategy for Jemperli is focused on generating differentiated data

    GSK’s development strategy for Jemperli is focused on generating differentiated data to other PD-1 competitors (PD-1 antagonist) Endometrial cancer (approved indications) Colorectal cancer and dMMR pan tumors • 1L endometrial cancer: Approved in US and • Rectal cancer: P2 AZUR-1 trial (monotherapy)

  9. Slide 9: GSK and Tesaro Litigation Update

    GSK and Tesaro Litigation Update • The trial was held before the Delaware Chancery Court from July 14-17, 2026 • The Court has requested the parties submit post-trial briefs in advance of a post-trial hearing, which has been scheduled for October 20, 2026 – Anaptys filed its opening post-trial brief

  10. Slide 10: Quimilza (imsidolimab) out-licensed to Vanda

    Quimilza (imsidolimab) out-licensed to Vanda Completed two positive global Phase 3 studies in Generalized Pustular Psoriasis (GPP) Exclusive global license to Vanda in February 2025 10% royalties on global net sales NASDAQ: VNDA • Established US and EU regulatory and commercial infrastructure with a

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