0000898430-97-001350 Sample Contracts

EXHIBIT 10.21 ICOS SERVICES AGREEMENT

Services Agreement • March 31st, 1997 • Icos Corp / De • Pharmaceutical preparations • Delaware

• Contract Type
  Services Agreement
• Filed
  March 31st, 1997
• Company
  Icos Corp / De
• Industry
  Pharmaceutical preparations
• Jurisdiction
  Delaware

EXHIBIT 10.18 TO

Shareholders' Agreement • March 31st, 1997 • Icos Corp / De • Pharmaceutical preparations • Delaware

• Contract Type
  Shareholders' Agreement
• Filed
  March 31st, 1997
• Company
  Icos Corp / De
• Industry
  Pharmaceutical preparations
• Jurisdiction
  Delaware

AMENDMENT TO COLLABORATION AGREEMENT BETWEEN GLAXO GROUP LIMITED GLAXO WELLCOME INC. (f/k/a GLAXO INC) AND ICOS CORPORATION

Collaboration Agreement • March 31st, 1997 • Icos Corp / De • Pharmaceutical preparations

• Contract Type
  Collaboration Agreement
• Filed
  March 31st, 1997
• Company
  Icos Corp / De
• Industry
  Pharmaceutical preparations

REDACTED VERSION ---------------- EXHIBIT 10.20 TO

Development and Supply Agreement • March 31st, 1997 • Icos Corp / De • Pharmaceutical preparations • Delaware

• Contract Type
  Development and Supply Agreement
• Filed
  March 31st, 1997
• Company
  Icos Corp / De
• Industry
  Pharmaceutical preparations
• Jurisdiction
  Delaware

REDACTED VERSION ---------------- EXHIBIT 10.19

Paf-Ah License Agreement • March 31st, 1997 • Icos Corp / De • Pharmaceutical preparations • Delaware

• Contract Type
  Paf-Ah License Agreement
• Filed
  March 31st, 1997
• Company
  Icos Corp / De
• Industry
  Pharmaceutical preparations
• Jurisdiction
  Delaware