Musk had an eventful legislative session in Texas this year. In addition to his lobbyists successfully advocating for several new laws, Abbott cited the Tesla and SpaceX CEO as the inspiration for the state creating its own efficiency office and has praised him for moving the headquarters for many of his businesses to the state in recent years.

The governor’s office said some of the correspondence with the billionaire and his companies contains “intimate” information that isn’t of “legitimate concern to the public.”