If you hold EOS Tokens in an Ethereum account and fail to register your Ethereum address to your EOS public key, then your EOS Tokens may not be part of a Snapshot a third party may wish to create when the EOS Tokens become fixed and non-transferable on the Ethereum blockchain. In order to be part of such Snapshot, it is important that you generate an EOS public and private key pair and register your EOS public key with your Ethereum address prior to the EOS Tokens becoming fixed and non-transferable on the Ethereum blockchain which will occur within 23 hours after the end of the final period on June 1, 2018 at 22:59:59 UTC.