SAN DIEGO, Oct. 13, 2026 /PRNewswire/ -- Inhibrx Biosciences, Inc. (NASDAQ:INBX) ("Inhibrx" or the "Company"), a clinical-stage biopharmaceutical company focused on developing a broad pipeline of novel biologic therapeutic candidates, today announced it will be presenting at the following upcoming scientific conferences:

2026 European Society for Medical Oncology (ESMO) Congress

October 25^th, 2026 – Madrid, Spain

Title: HexAgon-HN: a phase 2/3 study of the hexavalent OX40 agonist ordastobart (INBRX-106) in combination with pembrolizumab as first-line treatment (1L tx) of PD-L1–high recurrent/metastatic head and neck squamous cell carcinoma (R/M HNSCC)—phase 2 primary analysis

Format: Oral Presentation

Lead Author: Jong Chul Park

Date and Time: Sunday, October 25^th, 2026; 8:30-10:00 AM CET

2026 Musculoskeletal Tumor Society (MSTS) Annual Meeting

October 29^th, 2026 – Miami, Florida

Title: The Tetravalent Death Receptor 5 (DR5) Agonist Ozekibart (INBRX-109) in Conventional Chondrosarcoma: Secondary Efficacy Endpoints from the Randomized, Registrational, Phase 2 ChonDRAgon study

Format: Oral Presentation

Lead Author: Robin Jones

Date and Time: Thursday, October 29^th, 2026; 2:50-3:40 PM EST

2026 Connective Tissue Oncology Society (CTOS) Annual Meeting

November 19^th – 20^th, 2026 – Seoul, South Korea

Title: Tetravalent Death Receptor 5 Agonist Ozekibart (INBRX-109) in Conventional Chondrosarcoma: Subgroup Analysis and Updated Progression-Free Survival (PFS) from the Randomized, Phase 2 ChonDRAgon Study

Lead Author: Sant Chawla

Format: Oral Presentation

Date and Time: Friday, November 20^th, 2026; 11:00 AM-12:30 PM KST

Title: Phase 1/2 Study of the Tetravalent Death Receptor 5 (DR5) Agonist Ozekibart (INBRX-109) Combined with Irinotecan (I) and Temozolomide (T) in Adolescents and Adults with Ewing Sarcoma (EWS)

Lead Author: Varun Monga

Format: Poster Presentation

Date and Time: Thursday, November 19^th, 2026; 5:30-6:30 PM KST

The presentations and poster will be accessible through a link on the investors' section of Inhibrx's website at https://inhibrxbiosciences.investorroom.com/events-and-presentations, upon commencement of each event.

About Inhibrx Biosciences, Inc.

Inhibrx Biosciences is a clinical-stage biopharmaceutical company focused on developing a broad pipeline of novel biologic therapeutic candidates. Inhibrx Biosciences utilizes diverse methods of protein engineering to address the specific requirements of complex target and disease biology, including its proprietary protein engineering platforms. Inhibrx Biosciences was incorporated in January 2024 as a direct, wholly-owned subsidiary of Inhibrx, Inc. Prior to the sale of Inhibrx, Inc. and the INBRX-101 program to Sanofi S.A., Inhibrx Biosciences acquired certain corporate infrastructure and other assets and liabilities through a series of internal restructuring transactions effected by Inhibrx, Inc. Inhibrx, Inc. also completed a distribution to holders of its shares of common stock of 92% of the issued and outstanding shares of Inhibrx Biosciences. Following such transactions, Inhibrx Biosciences' current clinical pipeline of therapeutic candidates includes ozekibart (INBRX-109) and ordastobart (INBRX-106), both of which utilize multivalent formats where the precise valency can be optimized in a target-centric way to mediate what we believe to be the most appropriate agonist function. For more information, please visit www.inhibrx.com.

Investor and Media Contact:

Kelly Deck, CFO

ir@inhibrx.com

858-795-4260

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SOURCE Inhibrx Biosciences, Inc.