Incentive Stock Option(s) or Option(s)

Incentive Stock Option(s) or Option(s). Means the grant by Syntroleum to Grantee of the right to purchase shares of Common Stock pursuant to the terms of this Agreement and the Plan. The shares subject to the Option are intended to be Incentive Stock Option (ISO) shares as described in Section 422(b) of the Internal Revenue Code of 1986, as amended.