Santai group boosts mining, phosphogypsum operations with strategic investments

Sichuan Development Longmang Co., Ltd. (Santai Group) announced a proposed capital increase for Sichuan Development Tiansheng Mining Co., Ltd., a related-party transaction where Santai Group will invest CNY 555.5556 million and its controlling shareholder will invest CNY 5 billion. This investment maintains Santai Group's 10% stake in Tiansheng Mining and aims to support the advancement of the Xiaogou phosphate mine project, strengthening the company's resource base and vertical integration.

Concurrently, Santai Group's wholly-owned subsidiary, Sichuan Zhongjia Zhuding Engineering Construction Co., Ltd., will invest CNY 184 million in the first phase of a phosphogypsum harmless utilization project. This project includes constructing a 1.5 million tons/year (dry basis) phosphogypsum dry film storage facility, with a second phase planned for a 2 million tons/year phosphogypsum road material facility, aligning with national policies for comprehensive utilization and reducing environmental risks.

Both resolutions were approved by the board of directors on December 18, 2025.