The new NEA Expert Group on Comparison and Understanding of Dose Prognosis (EGDP) held its kick‑off meeting remotely on 24 March 2020. The EGDP aims to facilitate collaboration among member countries in improving cross‑border co‑ordination through a common understanding of the outputs of dose projection codes, which influence the decisions on protective actions. The group's working methodology is based on an exercise, in which member countries will use the same agreed‑upon source term for a given accident site, run their own dose prognosis code, and compare their results. The kick‑off meeting participants reviewed the group's programme of work, exchanged information on the dose prognosis codes used in member countries, and discussed the development of the EGDP exercise programme.