Perma Fix Environmental Services, Inc (NASDAQ:PESI) CEO Mark Duff, CFO Ben Naccarato present at the 12th Annual Gabelli Waste & Environmental Services Symposium held on April 9th, 2026. Moderated by Michael Burgio, Gabelli Research Analyst. To learn more about Gabelli Funds’ fundamental, research-driven approach to investing, visit https://m.gabelli.com/gtv_cu or email invest@gabelli.com. Connect with Gabelli Funds: • LinkedIn – https://www.linkedin.com/company/investgabelli/ • X – https://x.com/InvestGabelli • Instagram – https://www.instagram.com/investgabelli/ • Facebook – https://www.facebook.com/InvestGabelli. http://www.Gabelli.com Invest with Us 1-800-GABELLI (800-422-3554).