Intro: C#m - E - A - E x2
verse 1: C#m - E - A - E x3
C#m - E - A - E - B x1
verse 2: C#m - E - A - E x3
C#m - E - A - E - B x1
Chorus: E - A - E - A - E - A - E - B
verse 3: C#m - E - A - E x3
C#m - E - A - E - B x1
Chorus: E - A - E - A - E - A - E - B
Bridge: E - A - E - A - E - A - E - B
From here on just keep playing until the end of the song:
E - A - E - A - E - A - E - B
Fantastic song! You can see that the progression is very easy though.
Enjoy!