0001193125-03-029205 Sample Contracts

and

Icos Corp / De • August 5th, 2003 • Pharmaceutical preparations • New York

• Company
  Icos Corp / De
• Filed
  August 5th, 2003
• Industry
  Pharmaceutical preparations
• Jurisdiction
  New York

Exhibit 4.2 ICOS CORPORATION 2% Convertible Subordinated Notes due July 1, 2023 REGISTRATION RIGHTS AGREEMENT -----------------------------

Registration Rights Agreement • August 5th, 2003 • Icos Corp / De • Pharmaceutical preparations • New York

• Contract Type
  Registration Rights Agreement
• Filed
  August 5th, 2003
• Company
  Icos Corp / De
• Industry
  Pharmaceutical preparations
• Jurisdiction
  New York