SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant [X] Filed by a Party other than the Registrant [ ] Check the appropriate box: [ ] Preliminary Proxy Statement [ ] Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) [ ] Definitive Proxy Statement [X] Definitive Additional Materials [ ] Soliciting Material Pursuant to Rule 14a-11(c) or Rule 14a-12 FILING BY: CYPRUS AMAX MINERALS COMPANY ________________________________________________________________________________ (Name of Registrant as Specified In Its Charter) N/A ________________________________________________________________________________ (Name of Person(s) Filing Proxy Statement, if other than the Registrant) Payment of Filing Fee (Check the appropriate box): [X] No fee required. [ ] Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11. (1) Title of each class of securities to which transaction applies: (2) Aggregate number of securities to which transaction applies: (3) Per unit price or other underlying value of transaction computed pursuant to Exchange Act Rule 0-11: (4) Proposed maximum aggregate value of transaction: (5) Total Fee paid: [ ] Fee paid previously with preliminary materials. [ ] Check box if any part of the fee is offset as provided by Exchange Act Rule 0-11(a)(2) and identify the filing for which the offsetting fee was paid previously. Identify the previous filing by registration statement number, or the Form or Schedule and the date of its filing. (1) Amount Previously Paid:____________________________________________ (2) Form, Schedule or Registration Statement No.:______________________ (3) Filing Party: _____________________________________________________ (4) Date Filed: _______________________________________________________ As filed with the Commission on September 21, 1999 CYPRUS AMAX MINERALS COMPANY Dear Stockholder: Please accept our thanks for sending in your WHITE Proxy Card. To avoid the possibility of the validity of your WHITE Proxy Card being challenged or disqualified for the reason(s) indicated below, we are requesting that you sign, date and mail the enclosed new WHITE Proxy Card with the correction indicated below in the self-addressed envelope provided for your convenience. This WHITE Proxy Card will automatically revoke any previous WHITE Proxy Card when it is returned to us. o YOUR PREVIOUS WHITE PROXY WAS UNSIGNED. (If signing as attorney, executor, administrator, personal representative of the estate, corporate officer, partner, trustee, custodian or guardian, please sign and give your full title as such.) o YOUR PREVIOUS WHITE PROXY WAS UNDATED. (Please sign, date and return the new proxy in the enclosed envelope.) o YOUR PREVIOUS WHITE PROXY OMITTED YOUR TITLE OR AUTHORITY. (If signing as attorney, executor, administrator, personal representative of the estate, corporate officer, partner, trustee, custodian or guardian, please sign and give your full title as such.) o YOUR PREVIOUS WHITE PROXY, AS SIGNED, DID NOT CONFORM TO THE NAME SHOWN ON THE PROXY. (Please date and sign the WHITE Proxy Card exactly as the registration appears on the proxy, including your full title if signing other than in an individual capacity. If the registration is in the name of a custodian for the benefit of a minor, the custodian must sign and indicate their capacity. If you are a beneficiary 18 years or older, you may sign as long as you indicate your age.) o YOUR PREVIOUS WHITE PROXY, AS MARKED, DID NOT CLEARLY SPECIFY YOUR INSTRUCTIONS. (Please sign, date and clearly mark your proxy.) o OTHER__________________________________________________________________ _______________________________________________________________________ Since time is of the essence, we would greatly appreciate your signing, dating and mailing the enclosed WHITE Proxy Card as soon as possible. Please mail it in the enclosed postage paid envelope provided for your convenience. Once again, we greatly appreciate your support. Sincerely, CYPRUS AMAX MINERALS COMPANY