Switch Option. Unless Ex-Im Bank otherwise agrees in writing:
Switch Option. Birmingham shall have the one-time option to exchange the Royalty Payments described in sections 2.1 and 2.2 hereof from AGGRASTAT to MC-1, by exercising the Switch Option.
Call Option The Company shall have the option to "call" the Warrants (the "Warrant Call"), in accordance with and governed by the following: