IR Calendar
Annual Main Events

Notes: This schedule for upcoming events is tentative plan as of today and is subject to change without notice.
FY 2023 (January 1, 2023 - December 31, 2023)
Nov 8, 2023 |
3Q FY2023 earnings release
Release at Tokyo Stock Exchange: around 15:00 (JST)
Release at SUMCO HP: around 15:00 (JST) |
Aug 8, 2023 |
2Q FY2023 earnings release |
May 11, 2023 |
1Q FY2023 earnings release |
FY 2022 (January 1, 2022 - December 31, 2022)
Mar 29, 2023 |
The 24th Ordinary General Meeting of Shareholders |
Feb 9, 2023 |
FY2022 earnings release |
Nov 8, 2022 |
3Q FY2022 earnings release |
Aug 4, 2022 |
2Q FY2022 earnings release |
May 12, 2022 |
1Q FY2022 earnings release |
FY 2021 (January 1, 2021 - December 31, 2021)
Mar 29, 2022 |
The 23rd Ordinary General Meeting of Shareholders |
Feb 9, 2022 |
FY2021 earnings release |
Nov 4, 2021 |
3Q FY2021 earnings release |
Aug 5, 2021 |
2Q FY2021 earnings release |
May 11, 2021 |
1Q FY2021 earnings release |
FY 2020 (January 1, 2020 - December 31, 2020)
Mar 25, 2021 |
The 22nd Ordinary General Meeting of Shareholders |
Feb 9, 2021 |
FY2020 earnings release |
Nov 5, 2020 |
3Q FY2020 earnings release |
Aug 6, 2020 |
2Q FY2020 earnings release |
May 8, 2020 |
1Q FY2020 earnings release |
FY 2019 (January 1, 2019 - December 31, 2019)
Mar 26, 2020 |
The 21st Ordinary General Meeting of Shareholders |
Feb 13, 2020 |
FY2019 earnings release |
Nov 6, 2019 |
3Q FY2019 earnings release |
Aug 6, 2019 |
2Q FY2019 earnings release |
May 8, 2019 |
1Q FY2019 earnings release |
FY 2018 (January 1, 2018 - December 31, 2018)
Mar 28, 2019 |
The 20th Ordinary General Meeting of Shareholders |
Feb 5, 2019 |
FY2018 earnings release |
Nov 7, 2018 |
3Q FY2018 earnings release |
Aug 8, 2018 |
2Q FY2018 earnings release |
May 10, 2018 |
1Q FY2018 earnings release |
FY 2017 (January 1, 2017 - December 31, 2017)
Mar 28, 2018 |
The 19th Ordinary General Meeting of Shareholders |
Feb 6, 2018 |
FY2017 earnings release |
Nov 9, 2017 |
3Q FY2017 earnings release |
Aug 8, 2017 |
2Q FY2017 earnings release |
May 11, 2017 |
1Q FY2017 earnings release |
FY 2016 (January 1, 2016 - December 31, 2016)
Mar 29, 2017 |
The 18th Ordinary General Meeting of Shareholders |
Feb 8, 2017 |
FY2016 earnings release |
Nov 10, 2016 |
3Q FY2016 earnings release |
Aug 5, 2016 |
2Q FY2016 earnings release |
May 12, 2016 |
1Q FY2016 earnings release |