Common use of EXHIBIT LIST Clause in Contracts

EXHIBIT LIST. The exhibits attached to this lease are listed below. All exhibits are a part of this lease except for those which have been lined out or which have been shown below as omitted. Exhibit A Floor Plan of Lessee’s Office Space (paragraph 1.1) Exhibit B Legal Description of Office Building (paragraph 1.1) Exhibit C Building Operating Expense Passthrough Calculations (paragraphs 2.1 and 32.1) Exhibit D Acknowledgment of Lease (paragraph 4.2) Exhibit E Construction by Lessor (paragraph 5.1) Exhibit E-1 Space Plan Exhibit F-1 Parking Rules (paragraphs 9.2 and 23.1) Exhibit F-2 Building Rules (paragraph 23.1) Exhibit G Estoppel Certificate (paragraph 30.1) Exhibit H Lease Guaranty (paragraph 37.1) Exhibit I Corporate Resolution Authorizing Lease or Guaranty (paragraphs 37.1 and 39.1) Exhibit J Special Conditions (paragraph 37.2) Exhibit K Hazardous Materials Statement Exhibit L Acknowledgment of Receipt of Agency Disclosure

EXHIBIT LIST. The exhibits attached to this lease are listed below. All exhibits are a part of this lease except for those which have been lined out or which have been shown below as omitted. Exhibit A Floor Plan of Lessee’s 's Office Space (paragraph 1.1) Exhibit B Legal Description of Office Building (paragraph 1.1) Exhibit C Building Operating Expense Passthrough Calculations (paragraphs 2.1 and 32.1) Exhibit D Acknowledgment of Lease (paragraph 4.2) Exhibit E Construction by Lessor (paragraph 5.1) Exhibit E-1 Space Plan Exhibit F-1 Parking Rules (paragraphs 9.2 and 23.1) Exhibit F-2 Building Rules (paragraph 23.1) Exhibit G Estoppel Certificate (paragraph 30.1) Exhibit H Lease Guaranty (paragraph 37.1) Exhibit I Corporate Resolution Authorizing Lease or Guaranty (paragraphs 37.1 and 39.1) Exhibit J Special Conditions (paragraph 37.2) Exhibit K Hazardous Materials Statement Exhibit L Acknowledgment of Receipt of Agency Disclosure

EXHIBIT LIST. The exhibits attached to this lease Lease are listed below. All exhibits are a part of this lease Lease except for those which have been lined out or which have been shown below as omitted. Exhibit A Floor Plan of Lessee’s Office Space the Leased Premises (paragraph 1.1) Exhibit B Legal Description of Office Building (paragraph 1.1) Exhibit C Building Operating Expense Passthrough Pass-Thru Calculations (paragraphs 2.1 and 32.1) Exhibit D Acknowledgment of Lease (paragraph 4.2) Commencement Agreement Exhibit E Construction by Lessor or Lessee (paragraph Paragraph 5.1) Exhibit E-1 Space Plan Exhibit F-1 Parking Rules (paragraphs 9.2 and 23.1) Exhibit F-2 Building Rules (paragraph 23.1) Exhibit G Estoppel Certificate (paragraph 30.1) Exhibit H Lease Guaranty (paragraph 37.1) Intentionally Deleted Exhibit I Corporate Resolution Authorizing Lease or Guaranty (paragraphs 37.1 and 39.1) Exhibit J Special Conditions (paragraph 37.239.1) Exhibit K Hazardous Materials Statement Exhibit L Acknowledgment Acknowledgement of Receipt of Agency DisclosureDisclosure Building Name: StoneCliff Lessee Lessee’s Name: Pain Therapeutics, Inc. Lessor Rev: 03/2009

EXHIBIT LIST. The exhibits attached to this lease are listed below. All exhibits are a part of this lease except for those which have been lined out or which have been shown below as omitted. Exhibit A Floor Plan of Lessee’s Tenant's Office Space (paragraph 1.1) Exhibit B Legal Description of Office Building (paragraph 1.1) Exhibit C Building Operating Expense Passthrough Pass-through Calculations (paragraphs 2.1 and 32.1) Exhibit D Acknowledgment of Lease (paragraph 4.2) Exhibit E Construction by Lessor Landlord (paragraph 5.1) Exhibit E-1 Space Plan Exhibit F-1 Parking Rules (paragraphs 9.2 and 23.1) Exhibit F-2 Building Rules (paragraph 23.1) Exhibit G Estoppel Certificate (paragraph 30.1) Exhibit H Lease Guaranty (paragraph 37.1) Exhibit I Corporate Resolution Authorizing Lease or Guaranty (paragraphs 37.1 and 39.1) Exhibit J Special Conditions (paragraph 37.2) Exhibit K Hazardous Materials Statement Exhibit L Acknowledgment of Receipt of Agency DisclosureRough-Sketch Drawing (paragraph 5.1)

EXHIBIT LIST. The exhibits attached to this lease are listed below. All exhibits are a part of this lease except for those which have been lined out or which have been shown below as omitted. Exhibit A Floor Plan of Lessee’s 's Office Space (paragraph 1.1) Exhibit B Legal Description of Office Building (paragraph 1.1) Exhibit C Building Operating Expense Passthrough Calculations (paragraphs 2.1 and 32.1) Exhibit D Acknowledgment of Lease (paragraph 4.2) Exhibit E Construction by Lessor (paragraph 5.1) Exhibit E-1 Space Plan Exhibit F-1 Parking Rules (paragraphs 9.2 and 23.1) Exhibit F-2 Building Rules (paragraph 23.1) Exhibit G Estoppel Certificate (paragraph 30.1) Exhibit H Lease Guaranty (paragraph 37.1) Exhibit I Corporate Resolution Authorizing Lease or Guaranty (paragraphs 37.1 and 39.1) Exhibit J I Special Conditions (paragraph 37.237.1) Exhibit K J Hazardous Materials Statement Exhibit K Confidentiality Agreement Exhibit L Acknowledgment of Receipt of Agency DisclosureMortgagee Non-Disturbance Agreement

EXHIBIT LIST. The exhibits attached to this lease are listed below. All exhibits are a part of this lease except for those which have been lined out or which have been shown below as omitted. Exhibit A Floor Plan of Lessee’s Office Space Leased Premises (paragraph 1.1) Exhibit A-l Parking Garage Plan Exhibit B Legal Description of Office Building (paragraph 1.1) Exhibit C Building Operating Expense Passthrough Calculations (paragraphs 2.1 and 32.1) Exhibit D Acknowledgment of Lease (paragraph 4.2) Exhibit E Construction by Lessor (paragraph 5.1) Exhibit E-1 Space Plan Exhibit F-1 F-l Parking Rules (paragraphs 9.2 and 23.1) Exhibit F-2 Building Rules (paragraph 23.1) Exhibit G Estoppel Certificate (paragraph 30.1) Exhibit H Lease Guaranty (paragraph 37.1) Exhibit I Corporate Resolution Authorizing Lease or Guaranty (paragraphs 37.1 and 39.1) Exhibit J Special Conditions (paragraph 37.2) Exhibit K Hazardous Materials Statement Exhibit L Acknowledgment of Receipt of Agency Disclosure