ICAP UK RPI Benchmark Methodology

This document is a technical report detailing the ICAP UK RPI Benchmark methodology, effective from July 1, 2026. It describes how Parameta Solutions develops, calculates, and publishes indices and benchmarks in compliance with the EU Benchmarks Regulation and its UK counterpart. The document outlines the governance structure, which includes a three lines of defense model involving business, compliance, and audit roles, ensuring regulatory adherence. It presents the responsibilities of the Oversight Committee, which includes reviewing the benchmark definition and methodology annually, and approving changes and procedures for cessation of the benchmark. Additionally, the report details the approach to managing errors, including the processes for addressing ambiguities and omissions. It also covers the data overview and benchmark calculation processes. ESG disclosures are discussed concerning how these factors are integrated into the methodology. The document concludes with contact information for further inquiries.