Council President António Costa is hosting a closed-door working dinner for all 27 EU national leaders tonight [1].

This high-stakes gathering occurs during the European Council summit to address urgent geopolitical and economic pressures facing the bloc. The meeting serves as a private forum for heads of state to synchronize their strategies on critical security and fiscal issues without public scrutiny.

The dinner is scheduled for June 18, 2026 [1]. According to reports, the agenda focuses on three primary pillars: the ongoing war in Ukraine, European tax policy, and trade matters [1]. These topics represent the most volatile friction points within the union, requiring a level of consensus that often eludes formal public sessions.

By gathering all 27 leaders [1] in a single room, Costa aims to facilitate a candid exchange of views. The inclusion of every member state ensures that the resulting decisions on trade and taxes carry the full weight of the European Council's authority.

While the specific venue for the dinner remains undisclosed, the event is described as an exclusive working session [1]. The focus on Ukraine suggests that the leaders are seeking a unified front on military and financial support, while the discussions on taxes and trade point to internal efforts to streamline the EU's economic framework.

Costa has prioritized these high-priority issues to ensure the bloc remains resilient against external shocks [1]. The outcome of this evening's discussions will likely set the tone for the remaining sessions of the summit.

Council President António Costa is hosting a closed-door working dinner for all 27 EU national leaders.

The decision to hold an exclusive, all-member dinner indicates a need for high-level diplomatic alignment on diverging national interests. By bundling security concerns regarding Ukraine with internal fiscal and trade disputes, the EU is attempting to balance its external defense posture with internal economic stability.