Blackstone Minerals Limited announced appointment of Frank Bierlein as director. Dr. Frank Bierlein has been appointed Non-Executive Director to the Board of the Company with effect from 12 November 2021. Dr. Bierlein is a geologist with 30 years of experience as a consultant, researcher, lecturer and industry professional. Dr. Bierlein has held exploration and generative geology management positions with QMSD Mining Co Ltd, Qatar Mining, Afmeco Australia and Areva NC, and consulted for, among others, Newmont Gold, Resolute Mining, Goldfields International, Freeport-McMoRan, and the International Atomic Energy Agency. Dr. Bierlein has worked on six continents spanning multiple commodities, and over the course of his career has published and co-authored more than 130 articles in peer reviewed scientific journals. Dr. Bierlein obtained a PhD (Geology) from the University of Melbourne, is a Fellow of the Australian Institute of Geoscientists (AIG), and a member of both the Society of Economic Geologists (SEG) and the Society of Geology Applied to Mineral Deposits. Dr. Bierlein is currently Non-Executive Director of PNX Metals Limited and Impact Minerals. Previously, Dr. Bierlein was a Non-Executive Director of Gold Australia Pty Ltd. from 2015 to 2019, and chaired the Advisory Board of a Luxemburg based private equity fund between 2014 and 2021. The Board also announced that Mr. Andrew Radonjic has resigned as Non-Executive Director, effective from the 12 of November. Mr. Radonjic was a founding director of Blackstone Minerals since listing in January 2017.