For Free Pandora (Tier 1), Pandora will pay a portion of revenue through Sound Exchange.
For any questions pertaining to money paid to Sound Exchange, please contact Sound Exchange directly.
For paid streams, you get paid a proportionate share of Pandora's subscription revenue. Payments will fluctuate each month, depending on the amount of subscription revenue generated and how often your music was streamed (this usually excludes streams during a subscriber's free trial).
For further information, please see Pandora’s Artist Support.