Looking on the internet deeply has found these results:

"exciting to" is the most popular phrase on the web.

"exciting for" 1614,000,000 results on the web	"exciting to" 1633,000,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
This must be exciting for you. It's very exciting for me to watch a new talent emerging. So last night must've been pretty exciting for you. Trust me, this should be exciting for everyone. That must be really exciting for you. Moving to D.C. has been exciting for him. I've been asked to join Lieutenant Torres and Ensign Kim in the Science Lab to hear what they've termed as "very exciting news." I think she meant "exciting."	It's exciting to see the Prince of Wales. I think she meant "exciting." It's exciting to think of Nellie Melba singing at Downton. "Exciting announcement about major media acquisition coming at 5:00 PM." It's exciting to see Jason up to his old tricks. She thought it was exciting to meet an author. How exciting to meet you, Professor. I've been asked to join Lieutenant Torres and Ensign Kim in the Science Lab to hear what they've termed as "very exciting news."

"exciting for"

1614,000,000 results on the web

"exciting to"

1633,000,000 results on the web

More popular!

This must be exciting for you.
It's very exciting for me to watch a new talent emerging.
So last night must've been pretty exciting for you.
Trust me, this should be exciting for everyone.
That must be really exciting for you.
Moving to D.C. has been exciting for him.
I've been asked to join Lieutenant Torres and Ensign Kim in the Science Lab to hear what they've termed as "very exciting news."
I think she meant "exciting."

It's exciting to see the Prince of Wales.
I think she meant "exciting."
It's exciting to think of Nellie Melba singing at Downton.
"Exciting announcement about major media acquisition coming at 5:00 PM."
It's exciting to see Jason up to his old tricks.
She thought it was exciting to meet an author.
How exciting to meet you, Professor.
I've been asked to join Lieutenant Torres and Ensign Kim in the Science Lab to hear what they've termed as "very exciting news."