GSTV Co., Ltd. (Headquarters: Tokyo, hereinafter GSTV) will begin offering the "GSTV Official App" from "GSTV Day," July 1, 2026 (Wednesday). This app is a new gateway for customers who love our TV broadcasts and e-commerce site, designed to deliver a smoother, more enjoyable, and more convenient encounter with jewelry. With just a smartphone, you can seamlessly enjoy everything from checking products during broadcasts to shopping and receiving the latest information. ■ Background for Offering the Official App Since its founding, GSTV has introduced jewelry through TV, e-commerce, physical stores, and events with the desire to "deliver beautiful gemstones from around the world to more customers." Now that smartphones are central to our lives, we want to deliver a new viewing and shopping experience where customers can "immediately get what they're interested in" and "carefully select at their own pace." It is with this desire that we are now launching our official app. ■ Four Experiences We Will Deliver to Our Customers 1. Never Miss a Beat, Never Get Lost - Notifications via Push Alerts We will deliver information you care about in real-time, such as new jewelry arrivals, restocks of popular items, limited-time sales, and broadcast schedules. This responds to customer requests like "I want to see that product I saw before again" and "I don't want to miss out on great deals." 2. Morning or Night, During Your Free Time - Enjoy Jewelry Time Anytime You can enjoy the world of GSTV anytime, whether it's during your morning commute or while relaxing before bed. Bookmark your favorite items, compare them carefully, and spend your own special jewelry time. 3. A Stress-Free Shopping Experience With an interface optimized for the app, you can smoothly complete everything from product search and adding to favorites to the purchase process. Once you register, you can shop even faster next time. 4. Even More Convenient, Going Forward We will sequentially expand features that cu