Thailand and Singapore's prime ministers concluded their first leaders' retreat in 11 years, upgrading strategic partnership across four pillars: (1) environment, energy, and food security—including clean energy cooperation and 100,000 tonnes of rice supply over 5 years; (2) economy, investment, and digital—targeting semiconductor, AI, and green economy sectors with Singapore investment; (3) defense and cybersecurity; (4) regional coordination on ASEAN leadership. Additional agreements cover digital economy, transnational crime, food security, and supply chain resilience. Significant for SME linkages in semiconductors, digital services, green tech, and logistics.