Pyxis Oncology, Inc. (NASDAQ:PYXS), a clinical-stage company developing next-generation therapeutics for difficult-to-treat cancers, today announced that it will host a live webcast on September 9, 2026 at 7:30 a.m. Eastern Time to present updated clinical data from its ongoing Phase 1 monotherapy study evaluating micvotabart pelidotin (MICVO) in patients with second-line and beyond (2L+) recurrent/metastatic head and neck squamous cell carcinoma (R/M HNSCC).

The presentation will include the scientific rationale for Pyxis Oncology’s novel ADC, MICVO; implications of the evolving treatment landscape in R/M HNSCC; detailed analyses of patients treated at 5.4 mg/kg intravenously once every three weeks with a dose equivalent to or below a dose cap; updated efficacy and safety results from the expansion trial; and next steps in clinical development.

The event will feature Alan L. Ho, M.D., Ph.D., Chief, Head and Neck Oncology Service and Attending Medical Oncologist at Memorial Sloan Kettering Cancer Center, together with members of Pyxis Oncology’s management team.

To participate in the live event, please register using this link. An archived webcast will be available following the event on the Company's website at, https://ir.pyxisoncology.com.