0001193125-10-213175 Sample Contracts

To: Volcano Corporation San Diego, California 92130 Attention: John Dahldorf Telephone No.: (858) 720-4112 Facsimile No.: (858) 720-0383 Re: Additional Call Option Transaction

Call Option Transaction • September 20th, 2010 • Volcano Corp • Electromedical & electrotherapeutic apparatus

• Contract Type
  Call Option Transaction
• Filed
  September 20th, 2010
• Company
  Volcano Corp
• Industry
  Electromedical & electrotherapeutic apparatus

The purpose of this letter agreement (this “Confirmation”) is to confirm the terms and conditions of the call option transaction entered into between JPMorgan Chase Bank, National Association, London Branch (“JPMorgan”) and Volcano Corporation (“Counterparty”) as of the Trade Date specified below (the “Transaction”). This letter agreement constitutes a “Confirmation” as referred to in the ISDA Master Agreement specified below. This Confirmation shall replace any previous agreements and serve as the final documentation for the Transaction.