Exhibit 99.1 JOHANNESBURG, 12 September 2024:Sibanye Stillwater Limited (Sibanye-Stillwater or the Group) (JSE: SSW and NYSE: SBSW) is pleased to report operating results and condensed consolidated interim financial statements (condensed consolidated financial statements) for the six months ended 30 June 2024 . SALIENT FEATURES FOR TSHIXEMONTHS ENDED30 JUNE 2024 • Continued focus on safety results in ongoing risk reduction and best ever Group safety indicators recorded during H1 2024 • Lower commodity price ...