Here is a clause from the support agreement that addresses your 2nd question:
2.5 Outstanding Stock Options
(a) Subject to the receipt of all necessary approvals, the Board of Directors will make such amendments to the Stock Option Plan and take all such other steps as may be necessary or desirable to allow all Persons holding Options pursuant to the Stock Option Plan, who may do so under applicable Laws to exercise their Options on an accelerated vesting basis solely for the purpose of tendering under the Offer all Common Shares issued in connection with such exercise, conditional upon Kinross agreeing to take up and pay for such Common Shares.