He most likely did:

>> Snowden invited rights workers to a July meeting from the address "edsnowden@lavabit.com," according to a human rights specialist who attended the meeting

http://www.theverge.com/2013/8/8/4602966/email-service-used-...

Giving up the private details of a pedophile is not "to become complicit in crimes against the American people", which is what the Lavabits letter stated. So it's natural for us to infer something relating to the Snowden revelations.

Greenwald verified it: https://twitter.com/ggreenwald/status/365560955746267137