[SMM Announcement] Announcement on Data Revisions for the Magnesium Supply-Demand Balance in China and Globally

Respected Client,

To keep pace with the rapid development of the magnesium industry and the evolving needs for supply-demand analysis, our company has optimized the data model based on the SMM Magnesium Database and is now systematically upgrading the data standards and historical data for magnesium-related metrics in China and globally. Details are as follows:

Data Standards and Historical Data Adjustment Notice

I. Background of Adjustment

With the rapid growth of downstream magnesium alloy demand, the magnesium market landscape continues to evolve. Factors such as technological advancements in die-casting equipment, varying penetration rates of magnesium alloy die-cast parts across different thickness markets, and recycling utilization rates have significantly impacted recycled magnesium production. To better capture the effects of industry changes on supply-demand analysis, and in conjunction with SMM's further in-depth research on the proportion of magnesium added in aluminum industry processes—improving recycled magnesium recovery and utilization coefficients and revising historical data for "primary magnesium" and "magnesium powder" production—we are now adjusting and updating the following metrics in the balance sheet: "recycled magnesium supply," "primary magnesium supply," "magnesium consumption in aluminum products," and "magnesium powder production."

II. Adjustment Details

• Data Points Revised:
  "Recycled Magnesium Supply," "Primary Magnesium Supply," "Magnesium Consumption in Aluminum Products," "Magnesium Powder Production."

• Revision Scope:
  Historical data from January 1, 2023, onward (including retrospective revisions and future forecasts).

III. Effective Date
December 12, 2025

Shanghai Metals Market Information & Technology Co., Ltd.
SMM Magnesium Research Team

Zhu Qifan
86-21-5166-6729

December 12, 2025