| Investor Relations |

Financial Highlights Mitsubishi Pharma Corporation and Consolidated Subsidiaries Millions of yen Thousands of U.S. dollars 2006 2005 2004 2006 Years ended March 31: Net sales  ¥ 236,207 ¥ 234,244 ¥ 235,431 $ 2,018,863 Operating income  36,235 31,049 28,727 309,701 Net income  20,699 13,172 10,818 176,915 Research and development costs  47,913 50,482 50,528 409,513 At March 31: Total assets  ¥ 307,052 ¥ 290,628 ¥ 296,200 $ 2,624,376 Shareholders' equity  231,541 205,981 197,541 1,978,983 Yen U.S. dollars Amounts per share: Net income  ¥ 45.39 ¥ 29.02 ¥ 23.81 $ 0.39 Cash dividends applicable   to the year  20.44 10.00 10.00 0.17 Thousands of shares Common stock issued  458,435 458,435 458,435    Note:  Yen amounts are translated into U.S. dollars, for convenience only, at the rate of ¥117.00 = US$1.00, the approximate exchange rate in effect on March 31, 2006.

| AR TOP | Profile Financial Highlights Message from the President > Business results Establishment of Joint Holding Company Launch of Joint Holding Company, Mitsubishi Chemical Holdings Corporation, from October 2005 Strengthening Pharmaceutical Business through Joint Holding Company Structure Meeting Tomorrow’s Challenge in Personalized Medicine Mid-term Corporate Action Plan Mid-term Corporate Action Plan — On Target Maximization of Sales and Marketing Strengths Optimization of Production and Technology Divisions Target of Total Cost Reduction Achieved Increasing the Certainty of Research and Development Results and Establishment of Global Marketing Basis R&D Strengthening Research and Development Product Pipeline Corporate Social Responsibility Improving Corporate Governance System Reinforced Implementation of Compliance Global Environmental Conservation: a Task for Every Individual Harmony with Society Financial Section Five-Year Summary Management’s Discussion and Analysis Balance Sheets Income Statements Shareholders’ Equity Cash Flows Notes Auditors’ Report Corporate Data Mitsubishi Chemical Holdings Corporation Investor Center

Copyright© Mitsubishi Pharma Corporation. All Rights Reserved.