An eligible employee may become a Participant by completing the enrollment process as designated by the Company prior to the Commencement Date of the Offering to which it relates. Participation in one Offering under the Plan shall neither limit, nor require, participation in any other Offering, but a Participant shall remain enrolled in the Plan until the Participant withdraws from the Plan pursuant to Section 13 hereof, or his or her employment is terminated with the Company or one of its Subsidiaries.