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TSE Filings

Disclosure Documents Archive

2020

Nov. 04, 2020: Condensed Consolidated Financial Information for the First Half of the Fiscal Year Ending March 31, 2021

Nov. 04, 2020: Notice Regarding the Recording of Impairment Loss

Nov. 04, 2020: Mitsubishi Chemical to End MMA Monomer and MAA Production in Texas and Close Site

Nov. 04, 2020: Notice Regarding Differences between Financial Results Forecast and
Financial Results for the First Half of Fiscal 2020, and Revisions to Annual Forecast

Oct. 23, 2020: Notice Regarding Change in Representative Corporate Executive Officers

Aug. 04, 2020: Condensed Consolidated Financial Information for the First Quarter of the Fiscal Year Ending March 31, 2021

May 26, 2020: Announcement Regarding Adjustment of Conversion Price for
Zero Coupon Convertible Bonds due 2022 and
Zero Coupon Convertible Bonds due 2024

May 26, 2020: Notice Regarding Distribution of Dividends from Surplus

May 26, 2020: Notice Regarding Disposition of Treasury Shares as Equity Compensation in the
Form of Restricted Shares

May 15, 2020: Taiyo Nippon Sanso Corporation Announces
Notice of Absorption-Type Company Split Agreement for Transition to a Holding Company Structure Through Company Split and Partial Amendments to Articles of Incorporation (Tradename and Business Purpose)

May 13, 2020: Condensed Consolidated Financial Information for the Fiscal Year Ended March 31, 2020

Apr. 28, 2020: Notice of Revision to Consolidated Financial Results Forecast and Dividends Forecast for the Fiscal Year Ended March 31, 2020

Feb. 06, 2020: Notice on Revision to Consolidated Financial Results Forecast
for the Fiscal Year Ending March 31, 2020

Feb. 06, 2020: Consolidated Financial Information for the Third Quarter of the Fiscal Year Ending March 31, 2020

Jan. 22, 2020: Taiyo Nippon Sanso Corporation Announces “Notice of Transition to a Holding Company Structure Through Company Split, Incorporation of a Subsidiary (Company-Split Preparation Company), and Partial Amendment to the Articles of Incorporation (Tradename Change)”

Jan. 08, 2020: Announcement in Relation to Results of Tender Offer for Shares of Mitsubishi Tanabe Pharma Corporation (Securities Code: 4508)

2019

Nov. 18, 2019: Announcement of Commencement of Tender Offer for Shares of Mitsubishi Tanabe Pharma Corporation (Securities Code: 4508)

Nov. 01, 2019: Consolidated Financial Information for the First Half of the Fiscal Year Ending March 31, 2020

Nov. 01, 2019: Notice on Revision to Consolidated Financial Results Forecast for the Fiscal Year Ending March 31, 2020

Jul. 30, 2019: Consolidated Financial Information for the First Quarter of the Fiscal Year Ending March 31, 2020

May 22, 2019: Announcement Regarding Adjustment of Conversion Price for
Zero Coupon Convertible Bonds due 2022 and
Zero Coupon Convertible Bonds due 2024

May 22, 2019: Notice Regarding Distribution of Dividends from Surplus

May 14, 2019: Condensed Consolidated Financial Information for the Fiscal Year Ended March 31, 2019

Mar. 18, 2019: Taiyo Nippon Sanso Corporation Announces
“Notice Regarding Financing through a Subordinated Loan”

Mar. 01, 2019: Notice Regarding Completed Acquisition of a HyCO Business and Related Assets
in the United States

Feb. 25, 2019: Notice Regarding Changes in Representative Corporate Executive Officers

Feb. 20, 2019: Mitsubishi Tanabe Pharma Corporation Received Notice of Request for Arbitration

Feb. 06, 2019: Consolidated Financial Information for the Third Quarter of the Fiscal Year Ending March 31, 2019

Jan. 22, 2019: Taiyo Nippon Sanso Corporation Announces
“Notice Regarding Determination of Issuance Conditions for Hybrid Bonds
(Public Subordinated Bonds)”

2018

Dec. 13, 2018: Taiyo Nippon Sanso Corporation Announces “Notice Regarding Acquisition of
a HyCO Business and Related Assets in the United States”

Dec. 04, 2018: Revision of Targets under Medium-Term Management Plan APTSIS20

Dec. 04, 2018: Taiyo Nippon Sanso Corporation Announces “Notice Regarding Issue of Hybrid Bonds (Public Subordinated Bonds)”

Dec. 03, 2018: Taiyo Nippon Sanso Corporation Announces“Notice Regarding Completed Acquisition (100% Ownership) Procedures of US Company Praxair, Inc.’s European Businesses”

Nov. 27, 2018: Taiyo Nippon Sanso Corporation Announces Notice of Conclusion of Bridge Loan Agreement Concerning Acquisition (100% Ownership) of US Company, Praxair, Inc.’s European Businesses

Nov. 26, 2018: Notice Regarding Changes in Specified Subsidiaries

Nov. 01, 2018: Revision of Forecasts for Consolidated Financial Results and Dividends for Fiscal Year Ending March 31, 2019

Nov. 01, 2018: Notice Regarding Distribution of Dividends from Surplus (Interim Dividend)

Nov. 01, 2018: Notice Regarding Differences between Consolidated Financial Results Forecast and Financial Results for the First Half of the Fiscal Year Ending March 31, 2019

Nov. 01, 2018: Consolidated Financial Information for the First Half of the Fiscal Year Ending March 31, 2019

Aug. 29, 2018: Notice Regarding Disposition of Treasury Shares through Third-party Allotment Associated with Introduction of New Performance-based Share Compensation Plan

Jul. 31, 2018: Consolidated Financial Information for the First Quarter of the Fiscal Year Ending March 31, 2019

Jul. 24, 2018: Announcement Regarding the Setting of Terms for Issuance of Stock Acquisition Rights(Stock Options as Stock-Linked Compensation) to Corporate Executive Officers

Jul. 10, 2018: (Updated)Partial Revision to the “Notice of Acquisition (100% Ownership) of US Company,Praxair, Inc.’s European Businesses”

Jul. 09, 2018: Announcement Regarding the Issuance of Stock Acquisition Rights(Stock Options as Stock-Linked Compensation) to Executive Officers, etc.

Jul. 09, 2018: Announcement Regarding the Issuance of Stock Acquisition Rights(Stock Options as Stock-Linked Compensation) to Corporate Executive Officers

Jul. 05, 2018: Notice of Acquisition (100% Ownership) of US Company, Praxair, Inc.’s European Businesses

Jun. 26, 2018: Announcement Regarding Adjustment of Conversion Price for Zero Coupon Convertible Bonds due 2022 and Zero Coupon Convertible Bonds due 2024

Jun. 06, 2018: Notice on Introduction of New Performance-based Share Compensation Plan

Jun. 04, 2018: Notice Regarding Result and Completion of Acquisition of Treasury Stock

May 16, 2018: Notice Regarding Distribution of Dividends from Surplus

May 11, 2018: Notice Regarding Result of Acquisition of Treasury Stock through Off-Auction Own Shares Repurchase Trading System (ToSTNeT-3)

May 10, 2018: Notice Regarding Acquisition of Treasury Stock and Share Buyback through Off-Auction Own Shares Repurchase Trading System (ToSTNeT-3)

May 10, 2018: Notice Regarding Revision to Dividend Forecast for the Fiscal Year Ended March 31, 2018

May 10, 2018: Condensed Consolidated Financial Information for the Fiscal Year Ended March 31, 2018

May 10, 2018: Announcement on Determination of Acquisition Price through Off-Auction Own Shares Repurchase Trading System (ToSTNeT-3)

Apr. 04, 2018: Mitsubishi Chemical Announces MMA Monomer and PMMA Plants Start Commercial Operations in Saudi Arabia

Feb. 26, 2018: Notice Regarding Changes in Representative Corporate Executive Officers and Corporate Executive Officer

Feb. 06, 2018: Revision to Consolidated Financial Results Forecast for Fiscal Year Ending March 31, 2018

Feb. 06, 2018: Financial Results Announcement for the Third Quarter of the Fiscal Year Ending March 31, 2018

2017

Dec. 22, 2017: Notice Regarding Change in Representative Directors at Consolidated Subsidiary (Mitsubishi Chemical Corporation)

Nov. 02, 2017: Consolidated Financial Information for the First Half of the Fiscal Year Ending March 31, 2018

Nov. 02, 2017: Notice Concerning Sale of Shares Held by Untraceable Shareholders

Oct. 26, 2017: Revision of Forecasts for Consolidated Financial Results and Dividends for Fiscal Year Ending March 31, 2018

Aug. 01, 2017: Results Announcement for the First Quarter of the Fiscal Year Ending March 31, 2018

Jul. 25, 2017: Announcement Regarding the Setting of Terms for Issuance of Stock Acquisition Rights
(Stock Options as Stock-Linked Compensation) to corporate executive officers

Jul. 24, 2017: Mitsubishi Tanabe Pharma to Acquire NeuroDerm Ltd.

Jul. 10, 2017: Announcement Regarding the Issuance of Stock Acquisition Rights (Stock Options as Stock-Linked Compensation) to Executive Officers, etc.

Jul. 10, 2017: Announcement Regarding the Issuance of Stock Acquisition Rights (Stock Options as Stock-Linked Compensation) to Corporate Executive Officers

May 19, 2017: Announcement of Additional Disclosure of “Condensed Consolidated Financial Information for the Fiscal Year Ended March 31, 2017 Announced on May 12, 2017

May 17, 2017: Notice Regarding Distribution of Dividends from Surplus

May 12, 2017: Financial Results Announcement for the Fiscal Year Ended March 31, 2017

May 12, 2017: Notice Regarding Revision to Dividend Forecast for the Fiscal Year Ended March 31, 2017

Mar. 15, 2017: Announcement Regarding Result and Completion of Repurchase of Treasury Stock
through Off-Auction Treasury Stock Repurchase Trading System (ToSTNeT-3)

Mar. 14, 2017: Announcement Regarding the Issuance of Zero Coupon Convertible Bonds due 2022
and Zero Coupon Convertible Bonds due 2024

Mar. 14, 2017: Announcement Regarding Repurchase of Treasury Stock

Feb. 08, 2017: Financial Results Announcement for the Third Quarter of the Fiscal Year Ending March 31, 2017

Feb. 08, 2017: Revision of Forecasts for Consolidated Financial Results and Dividends
for Fiscal Year Ending March 31, 2017

2016

Dec. 22, 2016: Notice Regarding a Corporate Split-Off

Nov. 30, 2016: Announcement Regarding Disposition of Treasury Shares
via Allotment to Subsidiary

Nov. 08, 2016: Financial Results Announcement for the First Half of the Fiscal Year Ending March 31, 2017

Oct. 28, 2016: Revision to First Half and Full Year Consolidated Financial Results Forecasts
for Fiscal Year Ending March 31, 2017

Sep. 14, 2016: Announcement regarding the Conversion of Nippon Kasei Chemical
by means of the Share Exchange into a Wholly-Owned Subsidiary of
Mitsubishi Chemical Corporation

Sep. 05, 2016: Notice Regarding Change in Trade Name of Consolidated Subsidiary

Aug. 05, 2016: Financial Results Announcement for the First Quarter of the Fiscal Year Ending March 31, 2017

Aug. 05, 2016: Announcement of Commencement of Tender Offer for Shares of
The Nippon Synthetic Chemical Industry Co., Ltd. by Our Consolidated Subsidiaries

Jul. 27, 2016: Notice Regarding Reorganization of Purified Terephtharic Acid Business
in India and China

Jul. 19, 2016: Announcement Regarding the Setting of Terms for Issuance of Stock Acquisition Rights
(Stock Options as Stock-Linked Compensation) to Directors

Jul. 01, 2016: Announcement Regarding the Issuance of Stock Acquisition Rights (Stock Options as Stock-Linked Compensation) to Corporate Executive Officers

Jul. 01, 2016: Announcement Regarding the Issuance of Stock Acquisition Rights (Stock Options as Stock-Linked Compensation) to Executive Officers, etc.

Jun. 24, 2016: Notice Regarding Top Executives and Management Structure of New Integrated Company

May 18, 2016: Notice Regarding Distribution of Dividends from Surplus

May 13, 2016: Notice Regarding Revision to Dividend Forecast for the Fiscal Year Ended March 31, 2016

May 13, 2016: Financial Results Announcement for the Fiscal Year Ended March 31, 2016

Mar. 09, 2016: Top Executives Named for Newly Formed
Asahi Kasei Mitsubishi Chemical Ethylene Corporation

Mar. 04, 2016: Notice Regarding Trade Name of New Integrated Company

Feb. 24, 2016: Notice Regarding a Corporate Split-Off (Simplified/Abbreviated Split-Off)

Feb. 04, 2016: Financial Results Announcement for the Third Quarter of the Fiscal Year Ending March 31, 2016

Feb. 04, 2016: Recognition of Impairment Loss and Revision to Consolidated Financial Results Forecasts
for the Fiscal Year Ending March 31, 2016

2015

Dec. 09, 2015: Formulation of APTSIS 20 New Medium-Term Management Plan

Dec. 09, 2015: Notice Regarding Integration of Three Consolidated Subsidiaries

Nov. 05, 2015: Revision to Consolidated Financial Results Forecasts for the Fiscal Year Ending March 31, 2016

Nov. 05, 2015: Financial Results Announcement for the First Half of the Fiscal Year Ending March 31, 2016

Sep. 28, 2015: Announcement Regarding the Setting of Terms for Issuance of Stock Acquisition Rights (Stock Options as Stock-Linked Compensation) to Directors

Sep. 11, 2015: Amendment to "Announcement Regarding the Issuance of Stock Acquisition Rights (Stock Options as Stock-Linked Compensation) to Directors"

Sep. 11, 2015: Announcement Regarding the Issuance of Stock Acquisition Rights
(Stock Options as Stock-Linked Compensation) to Executive Officers, etc.

Sep. 11, 2015: Announcement Regarding the Issuance of Stock Acquisition Rights
(Stock Options as Stock-Linked Compensation) to Directors

Aug. 05, 2015: Revision to Consolidated Financial Results Forecasts for the First Half of Fiscal Year Ending March 31, 2016

Aug. 05, 2015: Financial Results Announcement for the First Quarter of the Fiscal Year Ending March 31, 2016

Jul. 16, 2015: Mitsubishi Chemical Holdings Group Begins Study of Organizational Restructuring
with an Eye toward Integration of Chemical Operating Companies

May 28, 2015: Establishment of a Joint Venture for Operation of Unified Naphtha Cracker in Mizushima

May 13, 2015: Partial Amendment to the Articles of Incorporation

May 13, 2015: Financial Results Announcement for the Fiscal Year Ended March 31, 2015

May 01, 2015: Announcement Regarding Changes in Representative Corporate Executive Officers

May 01, 2015: Revision of Forecasts for Consolidated Financial Results and Dividends for the Fiscal Year Ending March 31, 2015

Feb. 26, 2015: Notice Regarding Change in Representative Directors

Feb. 05, 2015: (Corrections) Notice on Acquisition of Treasury Stock from a Subsidiary -Acquisition of Treasury Stock Pursuant to Article 163 of the Companies Act-

Feb. 04, 2015: Notice on Acquisition of Treasury Stock from a Subsidiary

Feb. 04, 2015: Financial Results Announcement for the Third Quarter of the Fiscal Year Ending March 31, 2015

2014

Dec. 25, 2014: Announcement Regarding Executive Personnel Changes and Transfer to a Company with Committees

Nov. 27, 2014: Revision to Consolidated Financial Results Forecasts for the Fiscal Year Ending March 31, 2015

Nov. 06, 2014: Announcement of Results of Tender Offer for Shares of Taiyo Nippon Sanso Corporation (TSE Code: 4091) and Change in Subsidiary

Oct. 31, 2014: Financial Results Announcement for the First Half of the Fiscal Year Ending March 31, 2015

Oct. 22, 2014: Revision to the Consolidated Financial Results Forecasts for the First Half of Fiscal Year Ending March 31, 2015

Oct. 21, 2014: Mitsubishi Tanabe Pharma Announces a Revision to the Consolidated Financial Forecasts for Fiscal Year Ending March 31, 2015

Sep. 29, 2014: Announcement of Commencement of Tender Offer for Shares of Taiyo Nippon Sanso Corporation (TSE Code: 4091)

Aug. 01, 2014: Financial Results Announcement for the First Quarter of the Fiscal Year Ending March 31, 2015

Jun. 26, 2014: Mitsubishi Rayon Announces Establishment of MMA Monomer/PMMA Joint Venture in Saudi Arabia, and Order for Plant Construction

May 30, 2014: Notice Regarding Voluntary Adoption of International Financial Reporting Standards (IFRS)

May 13, 2014: Notice Regarding Execution of an Agreement in connection with Tender Offer by Mitsubishi Chemical Holdings Corporation for Shares of Taiyo Nippon Sanso Corporation

May 12, 2014: Financial Results Announcement for the Fiscal Year Ended March 31, 2014

Feb. 25, 2014: Changes in Representative Directors

Feb. 06, 2014: Mitsubishi Chemical Holdings to Establish Life Science Institute, Inc.

Feb. 05, 2014: Financial Results Announcement for the Third Quarter of the Fiscal Year Ending March 31, 2014

Feb. 05, 2014: Revision to Consolidated Financial Results Forecasts for Fiscal Year Ending March 31, 2014

2013

Oct. 31, 2013: Revision to Consolidated Financial Results Forecasts for Fiscal Year Ending March 31, 2014

Oct. 31, 2013: Financial Results Announcement for the First Half of the Fiscal Year Ending March 31, 2014

Oct. 22, 2013: Revision to the Consolidated Financial Results Forecasts for the Fist Half of Fiscal Year Ending March 31, 2014

Sep. 30, 2013: Mitsubishi Tanabe Pharma Announces Notice Regarding Administrative Action Related to Violation of Pharmaceutical Affairs Law of Japan

Sep. 26, 2013: Notice of change in the number of shares constituting one unit and amendment to the Articles of Incorporation

Sep. 26, 2013: Notice regarding the Capital and Business Alliance between Mitsubishi Chemical Holdings Corporation and Taiyo Nippon Sanso Corporation

Sep. 25, 2013: Mitsubishi Tanabe Pharma Announces a Revision to 2Q Consolidated Financial Forecasts for Fiscal Year Ending March 31, 2014

Sep. 19, 2013: Notice Regarding Completion of Acquisition of Shares of Medicago, lnc., a Pharmaceutical Company Based in Canada, Which Has Become a Subsidiary of Mitsubishi Tanabe Pharma

Aug. 02, 2013: Progress in study for unification of naphtha cracker facilities in Mizushima

Aug. 01, 2013: Financial Results Announcement for the First Quarter of the Fiscal Year Ending March 31, 2014

Jul. 12, 2013: Notice Regarding the Acquisition of Medicago Inc.

May 09, 2013: Financial Results Announcement for the Fiscal Year Ended March 31, 2013

Mar. 05, 2013: Announcement Regarding the Medium-term Management Plan, APTSIS 15

Mar. 01, 2013: Completion of Acquisition of the Qualicaps Co., Ltd.

Feb. 20, 2013: Revision to Consolidated Financial Results Forecasts for the Fiscal Year Ending March 31, 2013

Feb. 05, 2013: Financial Results Announcement for the Third Quarter of the Fiscal Year Ending March 31, 2013

2012

Dec. 25, 2012: Acquisition of the Qualicaps Co., Ltd. from Carlyle Group

Nov. 01, 2012: Revision to the Consolidated Financial Results Forecasts for the Fiscal Year Ending March 31, 2013

Nov. 01, 2012: Financial Results Announcement for the First Half of the Fiscal Year Ending March 31, 2013

Aug. 01, 2012: Revision to the Consolidated Financial Results Forecasts for the First Half of the Fiscal Year Ending March 31, 2013

Aug. 01, 2012: Financial Results Announcement for the First Quarter of the Fiscal Year Ending March 31, 2013

Jun. 11, 2012: Structural Reforms of Basic Petrochemicals Business at the Kashima Plant

May. 10, 2012: Financial Results Announcement for the Fiscal Year Ended March 31, 2012

Feb. 03, 2012: Revision to the Consolidated Financial Results Forecasts for the Fiscal Year Ending March 31, 2012

Feb. 03, 2012: Financial Results Announcement for the Third Quarter of the Fiscal Year Ending March 31, 2012

2011

Dec. 26, 2011: Announcement of Executive Changes

Nov. 01, 2011: Revision to the Consolidated Financial Results Forecasts for the Fiscal Year Ending March 31, 2012

Nov. 01, 2011: Financial Results Announcement for the First Half of the Fiscal Year Ending March 31, 2012

Aug. 01, 2011: Announcement of Intent to Move Group Headquarters to a New Location

Aug. 01, 2011: Revision to the Consolidated Financial Results Forecasts for the Fiscal Year Ending March 31, 2012

Aug. 01, 2011: Financial Results Announcement for the First Quarter of the Fiscal Year Ending March 31, 2012

Jul. 01, 2011: Notice: Ruling in the Indemnification Action against Verbatim Corporation

Jun. 30, 2011: The Great East Japan Earthquake and its Impact on Our Operations (As of June 30, 2011)

May 31, 2011: Mitsubishi Rayon and SABIC announce new joint venture to build MMA and PMMA plants in Saudi Arabia

May 20, 2011: The Great East Japan Earthquake and its Impact on Our Operations (As of May 20, 2011)

May 11, 2011: Financial Results Announcement for the Fiscal Year Ended March 31, 2011

Apr. 8, 2011: The Pacific Coast of Tohoku Earthquake and its Impact on Our Operations

Mar. 23, 2011: The Pacific Coast of Tohoku Earthquake and its Impact on Our Operations

Mar. 16, 2011: The Pacific Coast of Tohoku Earthquake and its Impact on Our Operations

Mar. 14, 2011: The Pacific Coast of Tohoku Earthquake and its Impact on Our Operations

Feb. 03, 2011: Financial Results Announcement for the Third Quarter of the Fiscal Year Ending March 31, 2011

2010

Dec. 08, 2010: Mitsubishi Chemical Holdings Formulates APTSIS 15 Mid-Term Management Plan

Nov. 02, 2010: Notice Concerning Revisions to Consolidated Financial Results Forecasts and Dividends for Fiscal 2010

Nov. 02, 2010: Financial Results Announcement for the First Half of the Fiscal Year Ending March 31, 2011

Aug. 04, 2010: Revision to Forecasts of Consolidated Financial Results for the First Half of the Fiscal Year Ending March 31, 2011

Aug. 04, 2010: Financial Results Announcement for the First Quarter of the Fiscal Year Ending March 31, 2011

May 31, 2010: Establishment of a joint-venture company for unified naphtha cracker operations in Mizushima

May 13, 2010: Financial Results Announcement for the Fiscal Year Ended March 31, 2010

Apr. 28, 2010: Notification with Respect to Mitsubishi Rayon Co., Ltd. Becoming a Wholly-Owned Subsidiary of Mitsubishi Chemical Holdings Corporation through a Share Exchange

Mar. 20, 2010: Notification with Respect to Results of Tender Offer for Shares of Mitsubishi Rayon Co., Ltd. and Change of Subsidiary

Mar. 12, 2010: Revision to Consolidated Financial Results Forecasts for the Fisccal Year Ending March 31, 2010

Mar. 2, 2010: Notification with Respect to Second Amendments to "Notification with Respect to Commencement of Tender Offer for Shares of Mitsubishi Rasyon Co., Ltd." and the Public Notice of Commencement of Tender Offer

Feb. 18, 2010: Notification with Respect to Amendments to "Notification with Respect to Commencement of Tender Offer for Shares of Mitsubishi Rayon Co., Ltd." and the Public Notice of Commencement of Tender Offer, resulting from the Submission of Supplement to Tender Offer Explanatory Statement

Feb. 16, 2010: Notification with Respect to Commencement of Tender Offer for Shares of Mitsubishi Rayon Co., Ltd.

Feb. 4, 2010: Financial Results Announcement for the Third Quarter of the Fiscal Year Ending March 31, 2010

Feb. 3, 2010: Notification with Respect to the Progress Towards Commencement of Tender Offer for Shares of Mitsubishi Rayon Co., Ltd.

2009

Nov. 04, 2009: Revision to Consolidated Financial Results Forecasts for the Fiscal Year Ending March 31, 2010

Nov. 04, 2009: Financial Results Announcement for the First Half of the Fiscal Year Ending March 31, 2010

Oct. 26, 2009: Revision to Consolidated Financial Results Forecasts for the First Half of the Fiscal Year Ending March 31, 2010

Aug. 10, 2009: Regarding the Article on a Newspaper

Jul. 31, 2009: Financial Results Announcement for the First Quarter of the Fiscal Year Ending March 31, 2010

May 12, 2009: Financial Results Announcement for the Fiscal Year Ended March 31, 2009

Apr. 20, 2009: Revision of Consolidated Financial Results Forecasts for the Fiscal Year Ending March 31, 2009

Feb. 04, 2009: Revision of Consolidated Financial Results Forecasts for the Fiscal Year Ending March 31, 2009

Feb. 04, 2009: Financial Results Announcement for the Third Quarter of the Fiscal Year Ending March 31, 2009

2008

Oct. 31, 2008: Notice of Revised Financial Information for Mitsubishi Chemical Holdings Corporation

Oct. 31, 2008: Financial Results Announcement for the First Half of the Fiscal Year Ending March 31, 2009

Sep. 19, 2008: Mitsubishi Tanabe Pharma Corporation will Conclude the Basic Agreement with the National Plaintiffs Group on the HCV Class Action

Jul. 31, 2008: Notice of Revised Financial Information for Mitsubishi Chemical Holdings Corporation

Jul. 31, 2008: Financial Results Announcement for the First Quarter of the Fiscal Year Ending March 31, 2009

May 13, 2008: The Mitsubishi Chemical Holdings Group Mid-term Management Plan, APTSIS 10

May 08, 2008: Financial Results Announcement for the Fiscal Year Ended March 31, 2008

Mar. 05, 2008: A Partial Lifting of Suspension Order on Operations of the No. 2 Ethylene Plant of the Kashima Plant

Jan. 31, 2008: Notice of Revised Financial Information for Mitsubishi Chemical Holdings Corporation

Jan. 31, 2008: Mitsubishi Chemical Holdings Corporation Consolidated Financial Information for the Third Quarter of the Fiscal Year Ending March 31, 2008

2007

Dec. 24, 2007: On a Report Published as of December 24, 2007

Dec. 22, 2007: Fire Accident at the Kashima Plant of Mitsubishi Chemical Corporation

Nov. 02, 2007: Financial Results Announcement for the First Half of the Fiscal Year Ending March 31, 2008

Oct. 04, 2007: Notice of Cancellation of Treasury Stock

Jul. 31, 2007: Financial Results Announcement for the First Quarter of the Fiscal Year Ending March 31, 2008

May 10, 2007: Financial Results Announcement for the Fiscal Year Ended March 31, 2007

Apr. 27, 2007: Mitsubishi Pharma Concluded Merger Agreement with Tanabe Seiyaku

Apr. 23, 2007: Notice Regarding the Change in Status of Mitsubishi Plastics, Inc., to a Wholly Owned Subsidiary through a Share Exchange

Mar. 16, 2007: Notice Regarding the Results of the Tender Offer for the Shares of Mitsubishi Plastics, Inc.

Feb. 28, 2007: Notice Regarding the Extension of the Duration of the Tender Offer for the Shares of Mitsubishi Plastics, Inc.

Feb. 08, 2007: The Restructuring and Consolidation of the Functional Products Businesses of the Mitsubishi Chemical Holdings Group and the Announcement of a Tender Offer for Shares of Mitsubishi Plastics, Inc.

Feb. 05, 2007: Financial Results Announcement for the Third Quarter of the Fiscal Year Ending March 31, 2007

Feb. 02, 2007: Mitsubishi Pharma Corporation reaches a basic agreement to merge with Tanabe Seiyaku Co., Ltd. -Presentation Material-

Feb. 02, 2007: Mitsubishi Pharma Corporation reaches a basic agreement to merge with Tanabe Seiyaku Co., Ltd.

Jan. 18, 2007: Notice Concerning Certain Media Reports

2006

Nov. 09, 2006: Financial Results Announcement for the First Half of the Fiscal Year Ending March 31, 2007

Aug. 28, 2006: Notice on Acquisition of Treasury Stock

Jul. 31, 2006: Financial Results Announcement for the First Quarter of the Fiscal Year Ending March 31, 2007

May 11, 2006: Financial Results Announcement for the Fiscal Year Ended March 31, 2006

Feb. 03, 2006: Financial Results Announcement for the Third Quarter of the Fiscal Year Ending March 31, 2006

2005

Nov. 10, 2005: Prospected Financial Information for FY2005 and Management Policies

Oct. 11, 2005: Notice of Revised Financial Information of Mitsubishi Chemical Holdings Corporation

Oct. 11, 2005: Notice of Revised Financial Informaiton of Mitsubishi Chemical Corporation

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