In case you subscribed to Seeking Alpha Premium via the Seeking Alpha app, we do not yet offer an annual subscription directly via in-app purchases.
In order to accommodate your annual upgrade request, you first need to cancel your monthly subscription via the Play Store and then resubscribe to the annual subscription via our website.
To cancel your currently monthly subscription, please follow these steps - https://support.google.com/googleplay/answer/7018481?co=GENIE.Platform%3DAndroid&hl=en
Once you have cancelled your monthly subscription and your Premium subscription expires, you can re-subscribe to the annual subscription on our website by clicking here - https://seekingalpha.com/checkout?service_id=proresearch
Customer support service by UserEcho