On the margins of the conference, Deputy Prime Minister and Minister of Foreign and European Affairs Davor Ivo Stier participated in the 12th Transatlantic Forum organized by the CSU, alongside U.S. Secretary of Homeland Security John Kelly and Norwegian Defence Minister Marie Eriksen Soreide. As a member of the Croatian president’s delegation, Stier also attended talks with Azerbaijan President Ilham Aliyev, Afghan President Ashraf Ghani, Finnish President Sauli Niinistö, Bulgarian President Rumen Radev, Polish President Andrzej Duda, Latvian President Raimonds Vejonis, Lithuanian President Dalia Grybauskaité, Estonian President Kersti Kaljulaid and Russian Foreign Minister Sergey Lavrov.
Stier also held separate bilateral talks with Turkish Foreign Minister Mevlüt Çavuşoglu and Argentinian Foreign Minister Susana Malcorra.