Effective as of September 30, 2019, Charles Huiner, Chief Operating Officer and Senior Vice President of Corporate Development and Strategy of Sientra, Inc. has stepped down from his role with the company to pursue other opportunities. There were no disagreements between Mr. Huiner and the company on any matter relating to the Company's operations, policies or practices. Mr. Huiner will be available to consult with the Company on strategic matters and to assist in the orderly transition of his responsibilities.