He broke the news to supporters in a letter.

Pence ended months of public speculation with a letter to supporters that he shared with the Indianapolis Star. In the choice between seeking national office and serving Indiana in some capacity, we choose Indiana,” the six-term House member wrote.

I’ve worked with Rep. Pence a couple of times.  He is exactly as he seems: genuine, humble, fair, smart, strongly patriotic and deeply committed to conservatism.  He’ll make a great governor, and hopefully before long, a great president.