Common Contracts

August 1, 2006 Eric Liebler 3260 Whipple Road Union City, California 94587 RE: Change-in-Control Dear Eric:

Change-in-Control Agreement • October 18th, 2006 • Questcor Pharmaceuticals Inc • Pharmaceutical preparations • California

• Contract Type
  Change-in-Control Agreement
• Filed
  October 18th, 2006
• Company
  Questcor Pharmaceuticals Inc
• Industry
  Pharmaceutical preparations
• Jurisdiction
  California

This letter agreement (this “Agreement”) is entered into pursuant to that certain offer letter (the “Offer Letter”) dated August 1, 2006, between you and Questcor Pharmaceuticals, Inc., a California corporation (“Questcor”). Questcor considers it essential to the best interests of its stockholders to foster the continuous employment of key management personnel. In connection with this, Questcor’s Board of Directors (the “Board”) recognizes that, as is the case with many publicly held corporations, the possibility of a change in control of Questcor may exist and that the uncertainty and questions that it may raise among management could result in the departure or distraction of management personnel to the detriment of Questcor and its stockholders.

March 8, 2005 Steve Cartt 3260 Whipple Road Union City, CA 94587 RE: Change-in- Control Dear Steve:

Change-in-Control Agreement • August 18th, 2005 • Questcor Pharmaceuticals Inc • Pharmaceutical preparations • California

• Contract Type
  Change-in-Control Agreement
• Filed
  August 18th, 2005
• Company
  Questcor Pharmaceuticals Inc
• Industry
  Pharmaceutical preparations
• Jurisdiction
  California

This letter agreement (this “Agreement”) is entered into pursuant to that certain offer letter (the “Offer Letter”) dated March 7, 2005, between you and Questcor Pharmaceuticals, Inc., a California corporation (“Questcor”). Questcor considers it essential to the best interests of its stockholders to foster the continuous employment of key management personnel. In connection with this, Questcor’s Board of Directors (the “Board”) recognizes that, as is the case with many publicly held corporations, the possibility of a change in control of Questcor may exist and that the uncertainty and questions that it may raise among management could result in the departure or distraction of management personnel to the detriment of Questcor and its stockholders.