This press release is a Japanese translation of the English press release distributed by De Beers Group on May 29, 2026. The original text can be viewed here: https://www.debeersgroup.com/news-insights/latest-group-news/2026/gia-acquires-30-percent-shareholding-in-diamond-provenance-blockchain-platform-tracr TRACR LIMITED (Headquarters: London, UK, CEO: Jillian Wolk), which operates "Tracr," a digital platform for large-scale tracking of natural diamond origins and provenance from mine to market, announces that De Beers Group and GIA (Gemological Institute of America) have entered into a definitive agreement for GIA to acquire a 30% stake in Tracr. This agreement marks a significant milestone in Tracr's evolution into an independent platform. It also demonstrates GIA's strong confidence in Tracr's role as an infrastructure for promoting industry-wide diamond provenance and traceability. GIA's investment builds upon the initiative launched in 2023 to include provenance information for diamonds registered on Tracr in GIA diamond grading reports. This investment is a major step forward in further strengthening Tracr's long-term credibility across the entire diamond value chain. ■ Comment from Al Cook, CEO of De Beers Group "Consumers have a right to accurate information about the origin and journey of their diamonds. De Beers has been using Tracr to provide diamond provenance data for several years, and we believe provenance provision should be the industry standard. We are proud that Tracr will evolve into an independent, cross-industry platform with GIA, fulfilling our commitment to open Tracr more broadly to the industry. We look forward to working with GIA to drive transparency throughout the diamond pipeline." ■ Comment from Pritesh Patel, President and CEO of GIA "GIA's mission is to protect the integrity of the gem and jewelry industry, built on a foundation of honesty, fairness, and consumer trust. Through our multi-year collaboration with Tracr, we have become