Pioneer Natural Resources

Contact the Board of Directors

To report complaints about Pioneer's accounting, internal accounting controls or auditing matters, or to convey other concerns to Pioneer's independent directors, you may:

• All complaints and concerns will be received and processed by the Pioneer Corporate Secretary’s Office.
• You will receive a written acknowledgment from the Pioneer Corporate Secretary’s Office upon receipt of your written complaint or concern.
• Complaints relating to Pioneer's accounting, internal accounting controls or auditing matters will be referred to members of the Audit Committee.
• Other concerns will be referred to the Lead Director of the Pioneer Board.
• You can report your concerns anonymously or confidentially through Pioneer’s Compliance Line by dialing 1-800-750-4972 (outside the U.S., call collect: +1-704-973-0365).