You keep the $2.99 pricing as is, through your current subscription and get all fresh features as well.
Make sure you create a fresh account with the same email as the one you are using in the old system.
You will be assigned the Legacy plan.
No need to do anything from your side.
Thank you so much for being our customer so far!
(In case you have signed up with a different email, let us know, to sync your accounts)