Oh! Thank you for clarifying that for me!
I thought that dreadful cooling unit was going to stay there, like it was an afterthought or engineering screw-up. It looked like a cancerous growth, marring the design. I'm so glad that's not the case.
Updated and colored diagram
Whoa. The Comcast CEO set aside one whole floor (the 45th) for his family's private residences?! How did I miss that news? And come on... $14.3m for a whole floor of this building? Even in Philly, that sounds like a hell of a deal.
Comcast Technology Center tenant diagram
Light blue: NBC 10 Philadelphia and Telemundo
Black: Four Seasons
Green: Meeting and event space
View from "Rocky Steps" in front of Philadelphia Museum of Art by miaomiaoalbum, on Flickr
Glass is up to the 59th floor, which is the main floor of the observation deck!