-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, UhYNC/wbPyk+BNEB0KHo+K00ht7VRMpYZRqbaRzdCEmIYohh5l3wiYFIh3lP5FvP /6wlqb37+XYAWINMEymxgQ== 0000932471-06-001044.txt : 20060703 0000932471-06-001044.hdr.sgml : 20060703 20060703125941 ACCESSION NUMBER: 0000932471-06-001044 CONFORMED SUBMISSION TYPE: 497 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20060703 DATE AS OF CHANGE: 20060703 EFFECTIVENESS DATE: 20060703 FILER: COMPANY DATA: COMPANY CONFORMED NAME: VANGUARD CHESTER FUNDS CENTRAL INDEX KEY: 0000752177 IRS NUMBER: 232311358 FISCAL YEAR END: 0831 FILING VALUES: FORM TYPE: 497 SEC ACT: 1933 Act SEC FILE NUMBER: 002-92948 FILM NUMBER: 06940176 BUSINESS ADDRESS: STREET 1: PO BOX 2600 VM #V34 CITY: VALLEY FORGE STATE: PA ZIP: 19482 BUSINESS PHONE: 6106696289 MAIL ADDRESS: STREET 1: P.O. BOX 2600 CITY: VALLEY FORGE STATE: PA ZIP: 19482 FORMER COMPANY: FORMER CONFORMED NAME: VANGUARD PRIMECAP FUND/ DATE OF NAME CHANGE: 20011121 FORMER COMPANY: FORMER CONFORMED NAME: VANGUARD/PRIMECAP FUND INC DATE OF NAME CHANGE: 19940608 FORMER COMPANY: FORMER CONFORMED NAME: PRIMECAP FUND INC DATE OF NAME CHANGE: 19920703 0000752177 S000002568 Vanguard PRIMECAP Fund C000007070 Investor Shares VPMCX C000007071 Admiral Shares VPMAX 0000752177 S000002569 Vanguard Target Retirement Income Fund C000007072 Investor Shares VTINX 0000752177 S000002570 Vanguard Target Retirement 2005 Fund C000007073 Investor Shares VTOVX 0000752177 S000002571 Vanguard Target Retirement 2015 Fund C000007074 Investor Shares VTXVX 0000752177 S000002572 Vanguard Target Retirement 2025 Fund C000007075 Investor Shares VTTVX 0000752177 S000002573 Vanguard Target Retirement 2035 Fund C000007076 Investor Shares VTTHX 0000752177 S000002574 Vanguard Target Retirement 2045 Fund C000007077 Investor Shares VTIVX 0000752177 S000012758 Vanguard Target Retirement 2010 Fund C000034437 Investor Shares 0000752177 S000012759 Vanguard Target Retirement 2020 Fund C000034438 Investor Shares 0000752177 S000012760 Vanguard Target Retirement 2030 Fund C000034439 Investor Shares 0000752177 S000012761 Vanguard Target Retirement 2040 Fund C000034440 Investor Shares 0000752177 S000012762 Vanguard Target Retirement 2050 Fund C000034441 Investor Shares 497 1 primecap072006.txt VANGUARD CHESTER FUNDS 497 FILING [SHIP LOGO] Vanguard(R) PRIMECAP Fund SUPPLEMENT TO THE PROSPECTUS DATED JANUARY 27, 2006 PROSPECTUS TEXT CHANGE The first paragraph in the Investment Advisor section is restated as follows: PRIMECAP Management Company, 225 South Lake Avenue, Suite 400, Pasadena, CA 91101, advisor to the Fund, is an investment advisory firm founded in 1983. PRIMECAP also provides investment advisory services to endowment funds, employee benefits plans, mutual funds, and foundations unrelated to Vanguard. As of September 30, 2005, PRIMECAP managed approximately $49 billion in assets. The firm manages the Fund subject to the supervision and oversight of the trustees and officers of the Fund. The advisory fee is paid quarterly and is based on certain annual percentage rates applied to the Fund's average daily net assets over the period. (C)2006 The Vanguard Group, Inc. All rights reserved. Vanguard Marketing Corporation, Distributor. PS59 072006 -----END PRIVACY-ENHANCED MESSAGE-----