Japan Exchange Group, Inc. announced that Miyahara Koichiro, Director & Representative Executive Officer, Group Co-COO of JPX, has taken seriously his responsibility for the failure in the arrowhead cash equity trading system that occurred on October 1, 2020, and has requested to resign from his all other held positions within the Group, effective on November 30, 2020. JPX has accepted this request. Yamaji Hiromi becomes Group COO (Management of Derivatives Markets), JPX from Group Co-COO (Management of Derivatives Markets), JPX.