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Tuesday, May 2, 2023

Immatics: Interim Clinical Data from Ongoing Phase 1b vs. Cancer Target

 Company to host conference call today, May 2, at 8:30 am EDT / 2:30 pm CEST

  • Update covers data from 11 heavily pre-treated, last-line patients in Phase 1b dose expansion Cohort A treated with IMA203 TCR-T monotherapy against PRAME

  • Objective response rate (ORR): 64% (7/11) initial ORR at week 6 and 67% (6/9) confirmed ORR at month 3

  • Median duration of response not reached at median follow-up time of 8.5 months at data cut-off

  • Objective responses independent of solid tumor type at low, medium and high PRAME expression levels in checkpoint-refractory cutaneous melanoma, platinum-resistant ovarian cancer, uveal melanoma, head and neck cancer and synovial sarcoma

  • Cohort A IMA203 monotherapy TCR-T treatment continues to show manageable tolerability with no high-grade CRS and no ICANS; no dose dependent increase of CRS observed

  • Proprietary rapid manufacturing process with 7 days of manufacturing time; manufacturing success rate of 94% to reach current recommended Phase 2 dose

  • Next data update and pathway towards registration-directed trials planned to be set out in 4Q 2023

  • Company well capitalized with cash position1 of $386m at YE 2022 and reach into 2025 to leverage multi-cancer PRAME opportunity

Immatics conference call
Immatics will host a conference call today, May 2nd, 2023, at 8:30 am EDT / 2:30 pm CEST to discuss the clinical data. The webcast and presentation can be accessed directly through this link. Participants may also access the slides presented in the webcast on the Immatics website in the Investors section under “Presentations” at www.investors.immatics.com/events-presentations. A replay of the webcast will be made available shortly after the conclusion of the call and archived on Immatics website for at least 90 days.

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