Monstar Lab, Inc. ("Monster Lab"), an "AI & Digital Partners" company that supports corporate transformation and value creation with the power of AI and digital (Head Office: Shibuya-ku, Tokyo; President and CEO: Hiroki Inagawa), is pleased to announce that it was responsible for the development of the "Shipping Data Easy Integration Tool," a shipping data integration service for corporate customers that Japan Post Co., Ltd. (Chiyoda-ku, Tokyo; President and CEO: Shinya Koike; "Japan Post") began offering today, July 1, 2026 (Wed). This service allows for simple integration of shipping data, such as Yu-Pack, directly into Japan Post's shipping and dispatch management system. Leveraging its accumulated knowledge from previous collaborations with Japan Post, Monster Lab participated in the project with a joint Japanese-Vietnamese team, providing comprehensive support from requirements definition to development, maintenance, and operation. ■About the "Shipping Data Easy Integration Tool" The "Shipping Data Easy Integration Tool" is a tool for easily integrating customer shipping data into Japan Post's shipping and dispatch management system. It handles a series of processes in one stop, including bulk data integration, conversion to Japan Post's specified shipping data format, pre-integration error checking, and file splitting of shipping data into a number of files that can be integrated. - Service Start Date and Time: July 1, 2026 (Wed), 15:00 - How to Start Using: Prior application required. Please contact your Japan Post sales representative. ※Reference URL: https://www.post.japanpost.jp/newsrelease/pressrelease/6990382861.html ■Monster Lab's Participation Monster Lab participated in this project comprehensively, from requirements definition to development, maintenance, and operation. - Japan-Vietnam Hybrid Structure Utilizing AI-Driven Development The Japanese PM and design team worked in close collaboration with the development team at the Vietnam base. AI-driven