| 2012/05/31 | TSE and JASDEC Agree on New Joint Service Enhancement of Corporate Action Information Service and Implementation of ISO20022 |
| 2012/05/30 | Summary of Comments Submitted in the Public Consultation Procedure Regarding "Revisions to Listing Rules Regarding Corporate Governance to Restore Confidence in the Securities Market" (Related to Comments made in English) |
| 2012/05/30 | Addition of Reason for Designation of Securities Under Supervision (Confirmation)- UP INC. - |
| 2012/05/30 | Handling of daily price limits (Daily price limits will not be expanded) -VeriSign Japan K.K.- |
| 2012/05/29 | TSE has published the index value of TSE Home Price Index for March. |
| 2012/05/29 | Memorandum of Understanding with Central Bank of Myanmar pertaining to Support for Establishing a Securities Exchange |
| 2012/05/29 | Expansion of daily price limits (preliminary notice) -VeriSign Japan K.K.- |
| 2012/05/28 | Public Inspection of Improvement Report (Amended) -Daio Paper Corporation- |
| 2012/05/28 | Designation of Security Under Supervision (Confirmation) -Goodman Japan Limited- |
| 2012/05/25 | Designation of Security Under Supervision (Confirmation) -VeriSign Japan K.K.- |
| 2012/05/24 | Tokyo Stock Exchange Group, Inc. and GreTai Securities Market Sign Memorandum of Understanding |
| 2012/05/22 | Public Announcement Measure and Request for Improvement Report -DAITO GYORUI CO.,LTD.- |
| 2012/05/22 | Handling of daily price limits (Daily price limits will not be expanded) -Kenko.com,Inc.- |
| 2012/05/21 | Expansion of daily price limits (preliminary notice) -Kenko.com,Inc.- |
| 2012/05/18 | Decision on Delisting, etc. -IHI Transport Machinery Co.,Ltd.- |
| 2012/05/17 | Launch of Tokyo Stock Exchange's Official Facebook Page |
| 2012/05/16 | Decision on Delisting, etc. -ISHIKAWAJIMA CONSTRUCTION MATERIALS Co.,Ltd.- |
| 2012/05/16 | Addition of Reason for Designation of Securities Under Supervision (Confirmation)- THE SANKEI BUILDING CO.,LTD. - |
| 2012/05/14 | ETF/ETN Monthly Report for April 2012 |
| 2012/05/11 | Assignment to 1st Section from 2nd Section - HIMARAYA Co.,Ltd. - |
| 2012/05/11 | Alteration of Listing Market (to 1st Section from Mothers) - KLab Inc. - |
| 2012/05/11 | Decision on Delisting, etc. -TAIYO, LTD.- |
| 2012/05/10 | Entry into Grace Period pertaining to Delisting - Japaninvest Group plc - |
| 2012/05/09 | Decision on Delisting, etc. -NIS GROUP CO., LTD.- |
| 2012/05/08 | ETF/ETN Monthly Report for April 2012 |
| 2012/05/07 | Removal of expanded daily price limits (Return to normal daily price limits) -Kenko.com,Inc.- |
| 2012/05/02 | Expansion of daily price limits (Daily price limit will be expanded) -Kenko.com,Inc.- |
| 2012/05/01 | Trading Overview and Preliminary Figures for April 2012 |
| 2012/05/01 | Removal of Grace Period pertaining to Delisting - Japaninvest Group plc - |
| 2012/05/01 | Entry into Grace Period pertaining to Delisting - Dreamvisor Holdings,Inc. - |
| 2012/05/01 | Expansion of daily price limits (preliminary notice) -Kenko.com,Inc.- |