Effective April 1, 2021, Chris Bellino, the Company's current Chief Accounting Officer, will retire from Advanced Emissions Solutions, Inc. The position of Chief Accounting Officer will be eliminated upon Ms. Bellino's retirement. On February 25, 2021, the Company's board of directors approved the creation of the Vice President of Accounting position and appointment of Morgan Fields to such position effective March 1, 2021. Effective April 1, 2021, upon the retirement of Ms. Bellino, Ms. Fields will assume the role of Principal Financial Officer. Ms. Fields has over 15 years of accounting and consulting experience serving a variety of companies and industries. Ms. Fields has consulted with the Company on various projects since 2019, including assisting with system implementations and oversight of internal control over financial reporting framework. Prior to working with the Company, Ms. Fields career included being the Director of Accounting for Cerapedics, Inc. from 2018 to 2019 and the Chief Accounting Officer for Rezolute, Inc. (RZLT) from 2014 to 2018. Before that, she held various other accounting and finance roles, including Assurance Director, with RSM US LLP.