SharpLink Gaming Appoints Joseph Chalom CEO, Effective Dec. 15, Succeeding Rob Phythian

SharpLink Gaming, Inc. (Nasdaq: SBET) ("SharpLink" or the "Company"), one of the world's largest corporate holders of Ether ("ETH") and prominent industry advocate of Ethereum adoption, today announced that effective December 15, 2025 its Board of Directors has appointed Joseph Chalom as sole Chief Executive Officer and elected him to the Board. Rob Phythian has stepped down from his roles as Co-Chief Executive Officer and Director, marking the completion of the Company's planned senior leadership transition following its strategic expansion as an Ethereum treasury company.