CONSENT OF INDEPENDENT ACCOUNTANTS We consent to the incorporation by reference in the registration statements of Millipore Corporation on Form S-8 (File Nos. 2-91432, 2-72124, 2-85698, 2-97280, 33-37319, 33- 37323, 33-59005, 33-10801, 33-11-790), on Form S-3 (File Nos. 2-84252, 33-9706, 33-22196, 33-47213 and 333-23025) and on Form S-4 (File No. 33-58117) of our report dated January 21, 1998, except for Note B, for which the date is February 6, 1998, on our audits of the consolidated financial statements of Millipore Corporation as of December 31, 1997 and 1996, and for the years ended December 31, 1997, 1996, and 1995, which report is incorporated by reference in this Annual Report on Form 10-K. COOPERS & LYBRAND L.L.P. Boston, Massachusetts March 6, 1998