0000950133-05-002521 Sample Contracts

AMENDMENT NO. 4 TO RIGHTS AGREEMENT

Rights Agreement • June 3rd, 2005 • Ciena Corp • Telephone & telegraph apparatus • Delaware

• Contract Type
  Rights Agreement
• Filed
  June 3rd, 2005
• Company
  Ciena Corp
• Industry
  Telephone & telegraph apparatus
• Jurisdiction
  Delaware

THIS AMENDMENT NO. 4 TO RIGHTS AGREEMENT (this “Amendment No. 4”) is entered into as of June 2, 2005, between Ciena Corporation. a Delaware corporation (the “Company”), and EquiServe Trust Company, N.A. (f/k/a BankBoston N.A.) (the “Rights Agent”).