IsoEnergy Ltd. announced the appointment of David Thomas as Technical Advisor effective July 1, 2021. Also, the Company announced that Elizabeth Williamson has joined IsoEnergy as Corporate Secretary, effective June 9, 2021. David Thomas, M.Sc. is a Professional Geoscientist with more than 40 years of experience as a practicing geologist. From 1980 to 1994 David held positions in the Saskatchewan Geological Survey including resident geologist in Uranium City as well as a project geologist where he worked on structural and metallogenic studies, with a focus on gold and base metals in the La Ronge and Flin Flon areas of northern Saskatchewan. David retired from Cameco in 2018, although remains active as a consultant to mineral exploration companies. Elizabeth Williamson has been a lawyer in Saskatchewan for over 20 years. Her governance experience includes several years at Cameco Corporation, in the position of Director, Legal Services, Governance. She then continued her governance career as the University Secretary at the University of Saskatchewan. She is now a sole practitioner at Williamson Law, a law office that she began in 2017. Elizabeth has a general practice advising clients on many varied issues, including numerous governance matters.