Anadarko Petroleum has an Investor Relations department that is dedicated to providing pertinent information regarding the company's financial performance and strategic initiatives to investors and other interested parties. Typically, the best way to contact Investor Relations is by visiting the official Anadarko website, where contact information such as email addresses and phone numbers is usually provided. The website may also feature a specific section offering resources such as financial reports, press releases, and other relevant updates that can be beneficial for investors. It is advisable to check the most current information on the web page to ensure you have access to the latest contact details and resources available to engage with the Investor Relations team effectively.