SUMIDA CORPORATION EXPANDS FACTORY CAPACITY IN QUANG NGAI, VIETNAM

April 28^th 2021

Notice on the Appointment of the Members of the Committees and Executive Officers

March 26^th 2021

Notice of Resolutions adopted at the 66th Annual General Meeting of Shareholders

March 26^th 2021

Notice of Results of Voting at the 66th Annual General Meeting of Shareholders

March 26^th 2021