Yes that’s correct: The number of safecoin set aside for shareholders (5%) = 2 ^ 32 = 4294967296 * 0.05 = 214,748,365. Number of shares in MaidSafe.net issued = 2,028,316. Therefore each shareholder will receive 105 safecoins per share.
When safecoin is launched and we are in a position to do this, we would run the process in conjunction with BnkToTheFuture as participants in that round hold shares in the SPV as opposed to MaidSafe direct. That is really just a administrative thing though.
As David mentioned, it’s hard to see this additional option as a negative.