BlackRock Major Holdings Notification for WPP plc - April 2026

WPP plc filed a Form 6-K on April 30, 2026, containing a major holdings notification (TR-1) regarding BlackRock, Inc.'s ownership position. The filing indicates that BlackRock's total voting rights in WPP plc have fallen below the 5% notification threshold as of April 29, 2026. Previously, BlackRock held 6.57% of voting rights (4.76% through shares and 1.81% through financial instruments). The current position shows all categories below 5%, representing a significant reduction in BlackRock's stake. The notification was triggered by an acquisition or disposal of voting rights and/or financial instruments. The filing includes detailed information about BlackRock's complex ownership chain through multiple controlled undertakings across different jurisdictions. This represents a material change in institutional ownership of WPP plc shares.