tag publisher sourcing disclosure

This Publisher Sourcing Disclosure is in accordance with the TAG Certified Against Fraud Guidelines - Version 3.0 issued by the Trustworthy Accountability Group ("TAG") and applies to the digital properties owned and operated by National Geographic. The percent of visits acquired through paid traffic sources representative of total visits for the combined National Geographic properties for the specified periods are as follows:

National Geographic
3% / 2017 Q4
4% / 2018 Q1
3% / 2018 Q2
2% / 2018 Q3