Albemarle

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-02-26 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: ALBEMARLE CORP (ALB) CIK: 0000915913 --- Reporting Owner --- Name: Mummert Mark Richard CIK: 0002014946 Role: Officer (Chief Supply Chain Officer) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-02-26 | Code: A (Grant or award) Shares: +366 | Price: $184.93 Total Value: $67,684.38 Shares Owned After: 14,531 | Ownership: D (Direct) Footnotes: [F1] Performance Stock Units granted 02/24/2023. 50% granted as ROIC Performance Stock Units and 50% granted as rTSR Performance Stock Units. All shares earned vested on 2/26/2026. [Transaction #2] Security: Common Stock Date: 2026-02-26 | Code: F (Payment of exercise/tax) Shares: -159 | Price: $184.93 Total Value: $29,403.87 Shares Owned After: 14,372 | Ownership: D (Direct) Footnotes: [F2] Shares withheld to meet tax liabilities associated with vesting of Performance Stock Units granted on 02/24/2023. --- Footnotes (Complete Index) --- F1: Performance Stock Units granted 02/24/2023. 50% granted as ROIC Performance Stock Units and 50% granted as rTSR Performance Stock Units. All shares earned vested on 2/26/2026. F2: Shares withheld to meet tax liabilities associated with vesting of Performance Stock Units granted on 02/24/2023. --- Signature --- /s/ /s/ Corey E. Tanner, Attorney-in-fact (2026-03-02)