This excerpt taken from the HST 8-K filed Jan 6, 2005.
A Participant shall be fully vested at all times in Participant Deferrals, as well as Deemed Earnings upon Participant Deferrals, credited to his Participant Deferral Account.
A Participant shall vest ratably in Matching Contributions, as well as Deemed Earnings upon Matching Contributions, credited to his Matching Contribution Account in accordance with the vesting schedule of the Qualified Retirement Plan. Vesting credit for Years of Service shall be determined in accordance with the methods used by the Qualified Retirement Plan.
Notwithstanding the above schedule, a Participant shall become fully vested in his Matching Contribution Account upon death, Disability or Change of Control. Upon Separation from Service, a Participant shall be entitled to the vested portion of his Matching Contribution Account, and any non-vested portion shall be forfeited.