This Conflict Minerals Report is filed as an exhibit to Microsoft’s Form SD pursuant to Rule 13p-1 under the Securities Exchange Act of 1934 (the “Rule”) for the 2016 reporting year. The report covers all Microsoft majority-owned subsidiaries and variable interest entities that are subject to the Rule (“Microsoft”). The Rule imposes certain due diligence and reporting obligations on US Securities and Exchange Commission (“SEC”) registrants whose manufactured products (including products contracted to be made for each registrant) contain “conflict minerals” necessary to the functionality or production of those products. The Rule defines “conflict minerals” to include cassiterite, columbite-tantalite, gold, wolframite and their derivatives limited to tin, tantalum, tungsten, and gold (collectively referred to as “3TGs”).