On September 30, 2020, the board of directors (the “Board”) of Senseonics Holdings, Inc. (the “Company”) appointed Robert Schumm and Anthony Raab to serve as directors of the Company, which appointments became effective on October 1, 2020. Mr. Schumm will serve as a Class I director whose term will expire at the 2023 annual meeting of stockholders. Mr. Raab will serve as a Class II director whose term will expire at the 2021 annual meeting of stockholders. Robert Schumm, age 54, has served as the President and Chief Executive Officer of Ascensia Diabetes Care AG and has led the Diabetes Management Domain for PHC Group since October 2019. Mr. Schumm has also served as the President of Ascensia Diabetes Care US, Inc. since January 2016. Anthony Raab, age 40, is a co-founder of Masters Special Situations, LLC (“Masters”), and has served as a Senior Analyst at Masters Capital Management since 2015.