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Jun 2, 2026 4:40 PM

Nanobiotix Provides First Quarter 2026 Operational and Financial Update

Completed a follow-on offering in May 2026 for aggregate gross proceeds of approximately €86.1 million, including issuance of pre-funded warrants to accelerate the development of Company's other platforms

New data from Part 1 of the J&J sponsored Phase 2 CONVERGE study, evaluating JNJ-1900 (NBTXR3) for patients with Stage 3 inoperable non-small cell lung cancer (NSCLC), presented at the 2026 annual European Society for Radiotherapy and Oncology (ESTRO)

Announced FDA acceptance of a protocol amendment to ongoing pivotal J&J sponsored NANORAY-312 study eliminating the previously planned interim analysis and modifying the final analysis to include fewer events and to be conducted sooner

Presented new preclinical data evaluating its Nanoprimer platform in sequence with lipid nanoparticle-delivered recombinant DNA at the 2026 Annual Meeting of the American Association for Cancer Research (AACR)

€42.1 million in cash and cash equivalents as of March 31, 2026

PARIS and CAMBRIDGE, Mass., June 02, 2026 (GLOBE NEWSWIRE) -- NANOBIOTIX (NASDAQ:NBTX), a late-clinical stage biotechnology company pioneering nanotherapeutic approaches to expand treatment possibilities for patients with cancer and other major diseases, today provided an update on operational progress and reported financial results for the first quarter of 2026.

"Nanobiotix continues to advance with focus, discipline, and ambition as we work to unlock the full potential of physics-based nanotherapeutics," said Laurent Levy, chief executive officer of Nanobiotix and chairman of the executive board. "During the first quarter of 2026, we strengthened our foundation by supporting the advancement of JNJ-1900 (NBTXR3), progressing our Nanoprimer platform, and reinforcing our financial position. We remain deeply grateful to the team members, patients, investigators, collaborators and shareholders who give us their trust, commitment and support as we pursue our mission of revolutionizing treatment outcomes for millions."

Operational Highlights

Part 1 data from Phase 2 JNJ-1900 (NBTXR3) Study in Unresectable Stage 3 NSCLC (CONVERGE) presented at ELCC 2026 and updated at ESTRO 2026

Initial investigator-reported efficacy responses observed in 7 patients following the full treatment regimen of concurrent chemoradiotherapy, JNJ-1900 (NBTXR3), and consolidation with durvalumab showed:

Overall response rate ("ORR") = 85.7% (6/7 patients) reported at ESTRO 2026

In the same cohort of 7 patients, ORR observed at earlier time point and reported at ELCC 2026 was 71.4% (5/7 patients)

Complete response rate ("CRR") = 57.1% (4/7 patients) reported at ESTRO 2026

With the current standard of care, concurrent chemoradiation therapy (cCRT) ± durvalumab, depth of response remains limited in Stage 3 Inoperable NSCLC with very low rates of complete response (<5%)1

Absence of progressive disease and deepening response over time suggests potential for long-term durability

The procedure demonstrated an acceptable safety profile without serious treatment-emergent adverse events (TEAEs)

Early results suggest that intratumoral/intranodal injection of JNJ-1900 (NBTXR3) is feasible and can be performed ...