1 NOBLE AFFILIATES, INC. 110 West Broadway Ardmore, Oklahoma 73401 Addendum to NOTICE AND PROXY STATEMENT For Annual Meeting of Stockholders To Be Held on April 27, 1999 The record date for the annual meeting of stockholders of Noble Affiliates, Inc. is March 15, 1999, rather than March 16, 1999 as stated in the accompanying notice of annual meeting and proxy statement, and the references to the record date in the notice and on page 2 of the proxy statement are hereby corrected accordingly. The number of shares of Common Stock issued and outstanding on the record date, as stated on page 2 of the proxy statement, is correct as of March 15, 1999. Only stockholders of record at the close of business on March 15, 1999 are entitled to notice of and to vote at the meeting.