Polestar Automotive Holding UK PLC entered into an amendment to the Term Facility Agreement, dated December 16, 2025, with Geely Sweden Automotive Investment AB to extend the term of the Term Facility to June 30, 2027 and change the margin of the Term Facility from 3.0% to 3.2% with effect from the next Interest Period following the General Effective Date. Geely Sweden Automotive Investment AB is a wholly-owned subsidiary of Geely Sweden Holdings AB, the parent company of Volvo Car AB (publ), and one of Polestar's affiliates. A copy of the Facility Amendment is attached hereto as Exhibit 99.1. This Report on Form 6-K and Exhibit 99.1 shall be deemed to be incorporated by reference into Polestar's registration statement on Form S-8 (File No.

333-267146), registration statement on Form F-1 (File No. 333-266101) and registration statement on Form F-3 (File No. 333-274918) and to be a part thereof from the date on which this report is submitted, to the extent not superseded by documents or reports subsequently filed or furnished.