EXHIBIT 99.1 AMENDMENT TO RIGHTS AGREEMENT AMENDMENT, dated as of October 4, 2001, to the Rights Agreement, dated as of August 17, 1999, by and between Devon Energy Corporation (the "Company") and Fleet National Bank (f/k/a BankBoston, N.A.) (as...Rights Agreement • October 11th, 2001 • Devon Energy Corp/De • Crude petroleum & natural gas
