​HOUSTON, Texas — May 4, 2026 — Cannabis Bioscience International Holdings, Inc. (OTCID: CBIH), a public company that trades on the OTC Markets under the ticker symbol CBIH, announced today that it has submitted a new Notice of Intention to Participate in the federal administrative hearing concerning the proposed transfer of marijuana from Schedule I to Schedule III under the Controlled Substances Act.

CBIH previously participated in the administrative process related to this proposed rulemaking. Following the renewal of the proceedings by the Drug Enforcement Administration (“DEA”), the Company seeks to reaffirm its position and provide a perspective focused on research, medicine, regulation, and public health.