A violation of this section is a Class 2 misdemeanor. A second or subsequent violation of this section is a Class 1 misdemeanor. Upon conviction under this section, the court may suspend the person’s privilege to drive for a period not to exceed 90 days. DUI. A first offense DUI charge is a Class 1 misdemeanor. The penalties can include a fine of between $250 and $2,500, jail sentence of up to one year, revocation of your license for one year, and more.