STJグループ（株式会社サンテレコムジャパン、株式会社STJレンテック） Company Profile

I am Yu Shiotani, and I have been appointed as the President and CEO of the STJ Group (Santec Telecom Japan Co., Ltd. / STJ Rentec Co., Ltd.). I would like to express my heartfelt gratitude for your continued support. Our group has been working on solving issues while closely aligning with our customers in the telecommunications and mobile sectors. Currently, the business environment is undergoing significant changes, and the value demanded by our customers is becoming increasingly sophisticated and diverse. We will evolve to provide more effective solutions. Moving forward, we will offer optimal solutions for our customers through all sales channels, and as an organization equipped with both "proposal capabilities" and "execution capabilities," we will strive to provide services with higher added value. Additionally, we will further strengthen the service provision know-how and customer base we have cultivated in the telecommunications business, aiming to build relationships where all stakeholders can develop together. As a wireless solution provider, we will evolve into an entity that creates sustainable value. We ask for your continued expectations and unwavering support for the STJ Group.

We will be exhibiting at "Japan IT Week" held at Tokyo Big Sight. At our booth, we will be introducing our mobile BPO service for corporations, "MaruMoba." Our professional staff will handle device management, setup, repair, loss response, and user support all in one, significantly reducing your operational burden. We understand you are busy, but we kindly ask you to gather your colleagues and visit us. ================================================= 1. Date and Time 【Schedule】April 8 (Wed) to April 10 (Fri), 2026, for three days 【Hours】10:00 AM to 5:00 PM 2. Venue 3-11-1 Ariake, Koto-ku, Tokyo 135-0063 Tokyo Big Sight, East 1-3, 7, 8, West 1-4 3. Admission Complete pre-registration required (please check the exhibition website for details) ================================================ We sincerely look forward to your visit.

We are pleased to announce that our company has achieved first place in the solution product sales category at the KDDI Office Sales Contest for the first half of 2025. This award is entirely thanks to the support and patronage of our customers, for which we are sincerely grateful. We will continue to strive to improve service quality and provide valuable proposals to meet your expectations. We kindly ask for your continued support and patronage. Thank you very much.