| Investor Relations |
Mitsubishi Pharma Corporation was formed in October 2001 through the merger of Welfide Corporation and Mitsubishi-Tokyo Pharmaceuticals, Inc. In response to the challenging business environment in the pharmaceuticals industry, the merger was intended to further enhance our business base and to create an optimal scale of operations that would ensure our survival under intensifying global competition.

More recently, on October 3, 2005, with the goal of further growing our pharmaceutical business, Mitsubishi Pharma and Mitsubishi Chemical Corporation undertook a stock-for-stock exchange operation to form the joint holding company Mitsubishi Chemical Holdings Corporation. The establishment of Mitsubishi Chemical Holdings has positioned Mitsubishi Pharma as a pharmaceutical company forming the core of the Mitsubishi Chemical Holdings healthcare business and equipped to make rapid progress toward its target profile as a global research-driven pharmaceutical company able to consistently bring to market drugs that meet global needs.

We believe that our development toward this target profile will enable us to realize our basic philosophy: endeavor to embrace humanity and contribute to the improvement of people’s health and well-being. To realize this vision, we are continuing with our program of business reform and management reform as well as devoting resources to putting in place the state-of-the-art technologies of genome-based drug discovery and personalized medicine.

As an enterprise whose business is intimately concerned with human life, we believe that delivering effective drugs with a high degree of safety is part of the same approach as conserving the global environment, enhancing compliance, guaranteeing safety in the workplace, and contributing to society through medical care and pharmaceuticals.

In the future, in parallel with action to fulfill our social responsibilities — which extend to areas including the appropriate management of chemical substances, prevention of air, water, soil and other forms of pollution, recycling of resources, development of environment-friendly products, and measures to deal with global warming — we are committed to continuing our efforts to develop as a global research-driven pharmaceutical company.


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
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
Auditors’ Report
Corporate Data

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