This Practice Note provides an introduction to and overview of CREST, covering: • what CREST is and the concept of uncertificated securities • the legal framework • the benefits of CREST and what companies need to do to enable their securities to be held in CREST • how uncertificated securities are held and transferred within CREST, and • a brief introduction to the concept of depository interests It does not cover how various shareholder and corporate actions are undertaken in CREST, nor practical guidance as to the CREST processes around shareholder voting on resolutions, alterations of share capital, dividends, open offers, rights issues and takeovers. For information on these matters, see the following Practice Notes: • CREST—shareholder and general corporate actions • CREST—open offers • CREST—rights issues • CREST—takeover offers FORTHCOMING CHANGE: On 14 July 2026, the government accepted the implementation plan published by the Dematerialisation Market Action Taskforce (DEMAT) for the first step (Step 1) in a phased programme to digitise share ownership in the UK. The