Increase caloric intake while doing Insanity?

Hi all, I'm new here and have a question:

I am currently taking in between 1200 and 1300 calories a day and loosing weight.

I'm about to start Insanity 60 day in the next few days (when it comes in), do I need to increase my caloric intake
a little? or stay at 1300?

Any suggestions/experiences would be grateful! :)

Yes, I plan on loosing more weight, and tighten up considerably.



ETA: Thanks!!