The document summarizes key points about the GLIO Index, which is designed to enable clearer comparisons between listed and unlisted infrastructure by focusing on companies that provide mission critical infrastructure. It is based on the EDHECInfra Infrastructure classification system and includes companies that derive at least 75% of EBITDA from eligible infrastructure groups like regulated utilities, renewables, energy transportation and storage, transportation, and communications infrastructure. Breakdowns of the index by group, sector, and other metrics are also provided. Plans for a GLIO/GRESB ESG Index and Infrastructure Investment Trust model are briefly outlined.