This document outlines the agenda and goals for a meeting to discuss expanding the UK node of ELIXIR, the European infrastructure for biological information. The meeting will include introductions, a presentation on the criteria for new resources to join ELIXIR-UK, an open discussion, and breakout groups. The expansion aims to have ELIXIR-UK better represent the breadth of UK bioinformatics infrastructure. New members would benefit from influence and recognition, while needing to provide sustainable resources, participate in activities, and work towards interoperability. Expressions of interest will be evaluated based on criteria like alignment with ELIXIR themes, impact, and long-term sustainability. Outcomes may include becoming an official ELI