Common Contracts

Enanta has requested that portions of this document be accorded confidential treatment pursuant to Rule 24b-2 promulgated under the Securities Exchange Act of 1934, as amended. COLLABORATION AND LICENSE AGREEMENT

Collaboration and License Agreement • February 5th, 2013 • Enanta Pharmaceuticals Inc • Pharmaceutical preparations • Massachusetts

• Contract Type
  Collaboration and License Agreement
• Filed
  February 5th, 2013
• Company
  Enanta Pharmaceuticals Inc
• Industry
  Pharmaceutical preparations
• Jurisdiction
  Massachusetts

This COLLABORATION AND LICENSE AGREEMENT (“Agreement”) is made as of February 16, 2012 (“Effective Date”), by and between Novartis Institutes for BioMedical Research, Inc., with its principal office at 250 Massachusetts Avenue, Cambridge, Massachusetts 02139 (“Novartis”) and Enanta Pharmaceuticals, Inc., with its principal office at 500 Arsenal Street, Watertown, Massachusetts 02472 (“Enanta”). Novartis and Enanta are each referred to individually as a “Party” and together as the “Parties.”

Enanta has requested that portions of this document be accorded confidential treatment pursuant to Rule 24b-2 promulgated under the Securities Exchange Act of 1934, as amended. COLLABORATION AND LICENSE AGREEMENT

Collaboration and License Agreement • December 18th, 2012 • Enanta Pharmaceuticals Inc • Pharmaceutical preparations • Massachusetts

• Contract Type
  Collaboration and License Agreement
• Filed
  December 18th, 2012
• Company
  Enanta Pharmaceuticals Inc
• Industry
  Pharmaceutical preparations
• Jurisdiction
  Massachusetts

This COLLABORATION AND LICENSE AGREEMENT (“Agreement”) is made as of February 16, 2012 (“Effective Date”), by and between Novartis Institutes for BioMedical Research, Inc., with its principal office at 250 Massachusetts Avenue, Cambridge, Massachusetts 02139 (“Novartis”) and Enanta Pharmaceuticals, Inc., with its principal office at 500 Arsenal Street, Watertown, Massachusetts 02472 (“Enanta”). Novartis and Enanta are each referred to individually as a “Party” and together as the “Parties.”

Enanta has requested that portions of this document be accorded confidential treatment pursuant to Rule 24b-2 promulgated under the Securities Exchange Act of 1934, as amended. COLLABORATION AND LICENSE AGREEMENT

Collaboration and License Agreement • November 6th, 2012 • Enanta Pharmaceuticals Inc • Pharmaceutical preparations • Massachusetts

• Contract Type
  Collaboration and License Agreement
• Filed
  November 6th, 2012
• Company
  Enanta Pharmaceuticals Inc
• Industry
  Pharmaceutical preparations
• Jurisdiction
  Massachusetts

This COLLABORATION AND LICENSE AGREEMENT (“Agreement”) is made as of February 16, 2012 (“Effective Date”), by and between Novartis Institutes for BioMedical Research, Inc., with its principal office at 250 Massachusetts Avenue, Cambridge, Massachusetts 02139 (“Novartis”) and Enanta Pharmaceuticals, Inc., with its principal office at 500 Arsenal Street, Watertown, Massachusetts 02472 (“Enanta”). Novartis and Enanta are each referred to individually as a “Party” and together as the “Parties.”