Exhibit 23.1
Consent of Independent Registered Public Accounting Firm
We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 2-85698) of Millipore Corporation of our report dated June 24, 2005, relating to the financial statements of Millipore Corporation Employees’ Participation and Savings Plan, which appear in this Form 11-K.
/s/ PricewaterhouseCoopers LLP
Boston, Massachusetts
June 28, 2005