happy - happily / adv - adj.
We are HAPPY to announce that school will be closed this Friday. - ADJ. ?
I will HAPPILY wait for you if we can go for ice cream afterwards. - ADV. ?

Am I right?
Thank you.

Question

happy - happily / adv - adj.
We are HAPPY to announce that school will be closed this Friday. - ADJ. ? 
I will HAPPILY wait for you if we can go for ice cream afterwards. - ADV. ?

Am I right? 
Thank you.

Answer

Yes, you are right. Happy describes us and happily describes how we are waiting - adjective and adverb.