----

|   | 1. | Section E of Task Order No. 1, entitled “Ongoing Program Management/Steady State”, is amended by deleting the following language from subsection 11 thereof appearing under the heading “[***]. |
|--------|----|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | 2. | The following shall be substituted for the above-referenced deletion, it being intended that |
|--------|----|----------------------------------------------------------------------------------------------|

|   | 3. | Section B, entitled “Program Teams”, of Task Order No. 1 shall be amended by deleting the current PDI Contact Person and substituting the following therefor: |
|--------|----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| “PDI Contact Person: |   | Rick Shalaby                        |
|----------------------------|--------|-------------------------------------|
|                       |   | National Sales Director             |
|                       |   | PDI, Inc.                           |
|                       |   | Morris Corporate Center, Building A |
|                       |   | 300 Interpace Parkway               |
|                       |   | Parsippany, NJ 07054                |
|                       |   | (862) 207-7800                      |
|                       |   | rshalaby@pdi-inc.com”         |
|                       |   |                                |

|   | ***  Confidential material which has been omitted and filed separately with the Securities and Exchange Commission. |
|--------|-------------------------------------------------------------------------------------------------------------------------------|

----

| PDI, Inc.                                                                                                                                                                                                                                                                                 | PFIZER INC                                                                                                                                                                                                                                                                                                                                                        |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                                                                                                                                                                                                                                                                      |
|                                                                                                                                                                                                                                                                                      |
| By: /s/ Nancy S. Lurker                                            | By: /s/ Chris Gish                                                                                                                         |
| Name: Nancy S. Lurker                                              | Name: Chris Gish                                                                                                                           |
| Title: Chief Executive Officer                                                                                                                                                                                                                                                            | Title: Senior Director, Sales                                                       |

----