– Strategically located with convenient access to major economic hubs, supporting Bang Na’s rapid growth

– Signed a lease agreement with NS-Siam United Steel, one of Thailand’s leading steel manufacturers and distributors, and a subsidiary of Nippon Steel – the world’s fourth-largest steel producer based in Japan

Happitat launched The Hilltop Offices, a new premium office building located in the heart of Bangna — one of Bangkok’s fastest-growing areas for both business and residential development. The project offers strong potential with its strategic connectivity to the country’s major economic hubs. Highlighting a concept that integrates work with nature, happiness, and environmental sustainability, The Hilltop Offices is designed to meet the lifestyle and work culture for the new generation that places well-being as a top priority. The company also announced the signing of a key tenant, NS-Siam United Steel Co., Ltd. (Nippon Steel: NS-SUS), a leading steel manufacturer and distributor in Thailand and a subsidiary of Nippon Steel, the world’s fourth-largest steel producer from Japan.

Mr. Visit Udomkitchote, Executive Vice President of Happitat, Developer of The Hilltop Offices said, “The Hilltop Offices features 10 floors of premium office space. Spanning over 23,000 square meters, it is located at Happitat, the magical destination of happiness. The Hilltop Offices was born out of our commitment to developing a well-equipped and convenient workspace that enhances people’s quality of life. We believe happiness is essential to work efficiency, which is why we designed The Hilltop Offices as a part of nature. Surrounded by lush green spaces, each floor includes a Sky Forest for relaxation and unwinding, with the largest one on the 10th floor. Moreover, we have integrated green technologies into the building, such as a central utility plant (CUP) and a water-recycling system to reduce carbon emissions and energy consumption. With these features, The Hilltop Offices stands as a truly green workplace that prioritizes both environmental sustainability and the well-being of everyone who works here.”

“We have now opened for leasing and received strong interest from many leading companies. We are delighted to welcome our key tenant, NS-Siam United Steel, a subsidiary of Nippon Steel, to be part of our habitat of happiness at The Hilltop Offices. We believe our office space will enhance productivity, creating a Great Place to Work for employees while supporting NS-Siam United Steel’s continued growth. The decision of a world-class company to establish its new office within our project reinforces our confidence that The Hilltop Offices will become a new prime office destination in Bang Na for both leading Thai and international enterprises. This also highlights the strength of our strategic location, which connects to major economic hubs including the Eastern Economic Corridor (EEC) and Suvarnabhumi Airport, offering convenient logistics and greater business opportunities for our tenants,” Mr. Visit added.

Mr. Hideki Ogawa, President of NS-Siam United Steel Company Limited, A representative of Japan’s Nippon Steel Group in Thailand, said, “We believe that people are the key to shaping the company’s direction and future, which is why we place great importance on our employees’ happiness. What we looked for a new office, our priorities went beyond logistics convenience and business potential. Our commitment is to make NS-SUS a happy organization for our employees. Employee happiness is one of our core missions, as it fosters efficiency and strengthens the company’s direction and growth. The Hilltop Offices fulfills every aspect of creating workplace happiness, offering a relaxing environment that inspires greater creativity and productivity. Beyond employee well-being, energy conservation is also a key policy of our company. The Hilltop Offices features a Central Utility Plant (CUP) system that helps save energy and reduce costs. We believe that this relocation is not just a change of address but an important step forward in the growth and development of our business in Thailand.”

Ms. Alitsara Thongwan, Director of Office Services, CBRE (Thailand) Company Limited or CBRE Thailand, the sole leasing agent for The Hilltop Offices, revealed that, “In 2025, office leasing demand continues to rise, with over 90% of tenants relocating to buildings of better or comparable quality. At the same time, the overall market continues to adapt to modern work practices, as organizations increasingly focus on flexible workspace and place greater importance on high-quality buildings with ESG standards. Therefore, environmentally friendly design, attention to employee well-being, and comprehensive facilities that support efficiency and enhance the work experience have become crucial factors in office leasing decisions today.”

The Hilltop Offices is a 10-story premium office building with over 23,000 square meters. located above the Wonderwild building in the Happitat — Bang Na’s new destination of happiness. The project has been designed as a fully integrated lifestyle space, encompassing retail, lifestyle outlets, restaurants, fitness facilities, event spaces, and relaxation areas. The Hilltop Offices provides comprehensive facilities to meet the needs of modern professionals. Its highly flexible office spaces can be adjusted in size according to requirements, with a variety of workspace options and common areas on every floor to encourage collaboration. The building also features 24-hour security. Designed with a focus on workplace happiness and harmony with nature, The Hilltop Offices seamlessly integrates indoor working environments with outdoor relaxation spaces, supporting better quality of life for employees. Both the interior and exterior design are inspired by the concept of working and living amidst greenery, with the goal of achieving international standards — LEED Gold and WELL Gold certifications.

The Hilltop Offices is now open for leasing, with an expected pre-lease target of 40% by Q4 2025 and is scheduled to officially open in February 2026.