Investors & Media

Corporate Governance

The Board of Directors of ImmunoGen, Inc. (the "Company") sets high standards for the Company's employees, officers and directors. Implicit in this philosophy is the importance of sound corporate governance. It is the duty of the Board of Directors to serve as a prudent fiduciary for shareholders and to oversee the management of the Company's business. To fulfill its responsibilities and to discharge its duty, the Board of Directors follows the procedures and standards that are set forth in these guidelines. These guidelines are subject to modification from time to time as the Board of Directors deems appropriate in the best interests of the Company or as required by applicable laws and regulations.

Committee Charters

Title Documents

Audit Committee Charter

Compensation Committee Charter

Governance and Nominating

Appendix A - Policies and Procedures for the Submission of Shareholder Recommendations for Director Candidates

Governance Documents

Title Documents

By-Laws

Corporate Governance Guidelines

Appendix A - Board Membership Criteria

Code of Corporate Conduct

Senior Officer and Financial Personnel Code of Ethics

Insider Trading Policy