January 28, 2020

Notice Concerning Establishment of Nomination and Remuneration Consultatory Committee

December 23, 2019

Announcement of Date and Agenda of Extraordinary General Meeting of Shareholders

December 20, 2019

Notice Concerning Change in Parent Company

December 13, 2019

Notice Concerning Group Organizational Restructure(Absorption-type Company Split between Subsidiaries and Absorption-type Merger with Subsidiary)

November 14, 2019

Announcement of Setting of Record Date for Convocation of Extraordinary General Meeting of Shareholders

November 14, 2019

Announcement of Results of Tender Offer for Shares of the Company by Z Holdings Corporation and Changes in Parent Companies and the Largest and Major Shareholders

October 18, 2019

Notice Concerning Issuance of Stock Compensation-type Stock Options with Stock Price Condition

September 27, 2019

Announcement of Opinion Regarding the Tender Offer for the Company’s Shares by Yahoo Japan Corporation

September 12, 2019

Announcement of Opinion Regarding Planned Commencement of the Tender Offer for the Company’s Shares by Yahoo Japan Corporation and Execution of the Capital and Business Alliance Agreement with Yahoo Japan Corporation

Notice Concerning Change of Representative Director and Resignation of Director

September 2, 2019

Notice Concerning Group Organizational Restructure(Absorption-type Company Split between Subsidiaries and Absorption-type Merger with Subsidiary)

June 25, 2019

Notice Concerning Issuance of Stock Compensation-type Stock Options with Stock Price Condition

May 28, 2019

Notice Concerning Dividends of Surplus

Notice Concerning Partial Amendments to the Articles of Incorporation

Notice Concerning Candidates for Directors, Corporate Auditor and Substitute Corporate Auditor

April 25, 2019

Notice Concerning the Recording of Extraordinary Loss

Notice Concerning Introduction of Executive Officer System and Executive Appointment