Golub Capital BDC, Inc. ("GBDC" or the "Company") announced that the Company's Board of Directors has appointed Mr. Christopher C. Ericson to succeed Mr. Ross A. Teune and serve as Chief Financial Officer and Treasurer of the Company, effective September 13, 2021. Mr. Teune's departure is not the result of any dispute or disagreement with the Company. Mr. Teune has agreed to continue as an advisor to the Company through October 29, 2021 to facilitate an orderly and amicable transition.