The time-stamp for the conversion rates is: 19:00 UTC - 28/06/2017.
Total BTC raised (at these exchange rates): 3055.120324
Total USD raised at the BTC-USD price (Bitstamp): 7790556.826
This means that any price changes for you, as an investor, no longer matter. You can use these numbers to estimate the number of tokens that you will receive.
Based on the totals from Lauda
The initial price of one NVO is going to be:
BTC 0.00020367
USD 0.51937