On August 23, 2021, James G. Chopas tendered his resignation as the Principal Financial Officer, Principal Accounting Officer and Treasurer of Radius Health, Inc., effective as of August 26, 2021. On August 24, 2021, the Company’s Board of Directors appointed Steven Helwig to succeed Mr. Chopas as the Company’s interim Principal Financial Officer, interim Principal Accounting Officer and interim Treasurer, such appointment to become effective as of August 26, 2021. Mr. Helwig has been employed with the Company since August 2015. During his tenure, he has held progressively more senior management roles within the Company’s finance team, most recently as the Company’s Executive Director of Finance – Bone Health and Elacestrant, and prior to that as the Company’s Senior Director of Pipeline Finance and its Director of Finance.