OAKLAND, Calif., January 7, 2013 – Pandora (NYSE: P), the leading internet radio service, announced today new metrics that were reached in the month of December 2012.

• Listener hours for Pandora during the month of December 2012 were 1.39 billion, an increase of 54% from 906 million during the same period last year.
• Share of total U.S. radio listening for Pandora in December 2012 was 7.19%, an increase from 4.71% at the same time last year.
• Active listeners were 67.1 million at the end of December 2012, an increase of 41% from 47.6 million during the same time period last year.

Pandora is releasing key audience metrics on a monthly basis to provide the most current information regarding Pandora’s users and usage across platforms.