SECURITIES AND EXCHANGE COMMISSION WASHINGTON D.C. 20549 -------- FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of Earliest Event Reported): February 27, 2002 --------- MILLIPORE CORPORATION (Exact name of Registrant as specified in charter) MASSACHUSETTS 001-09781 04-2170233 (State or other jurisdiction (Commission (I.R.S. Employer of incorporation) File Number) Identification No.) --------- 80 Ashby Road, Bedford, Massachusetts 01730 (Address of Principal Executive Offices) (Zip Code) (781) 533-6000 Registrant's Telephone number, including area code Item 5. Other Events. On February 27, 2002, Millipore Corporation (NYSE/MIL) announced that it had completed the separation of Mykrolis Corporation (NYSE/MYK) through the distribution to its shareholders of all of the remaining shares of Mykrolis common stock owned by Millipore. The press release is attached as Exhibit 99.1 to this Current Report on Form 8-K. On or about February 27, 2002, and in connection with the distribution of Mykrolis common stock, Millipore sent a letter to stockholders of Millipore. The letter is attached as Exhibit 99.2 to this Current Report on Form 8-K. -2- Item 7. Financial Statements, Pro Forma Financial Information and Exhibits. (c) Exhibits. Exhibit Number Title -------------- ----- 99.1 Press Release issued February 27, 2002. 99.2 Letter to stockholders dated February 27, 2002. -3- SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. MILLIPORE CORPORATION /s/ Jeffrey Rudin ----------------------------- Jeffrey Rudin Vice President and General Counsel Date: February 27, 2002 -4- EXHIBIT INDEX Exhibit No. Description - ----------- ----------- 99.1 Press Release issued February 27, 2002. 99.2 Letter to stockholders dated February 27, 2002. -5-