On May 2, 2022, Bronco Acquisition Corp. merged with and into US Ecology, Inc., with the Company continuing as the surviving corporation pursuant to the previously announced Agreement and Plan of Merger, dated as of February 8, 2022, by and among the Company, Merger Sub and Republic Services. In connection with the completion of the Merger, at the Effective Time, each of the Company's directors immediately prior to the Effective Time (Richard Burke, Renae Conley, Katina Dorton, Glenn A. Eisenberg, Jeffrey R. Feeler, Daniel Fox, Mack L. Hogans, Ronald C. Keating, John T. Sahlberg and Melanie Steiner) ceased to be directors of the Company.

These departures were in connection with the closing of the Merger and not due to any disagreement with the Company on any matter. At the Effective Time, Brian Goebel became the sole director of the Company.