Shares issued pursuant to any Stock Award (including, without limitation, the percentage of actual achievement relative to pre-established target Performance Goals) may or may not be made subject to vesting conditioned upon the satisfaction of such Service requirements, conditions, restrictions or performance criteria, including, without limitation, a Performance Award Formula and/or Performance Goals (the “ Vesting Conditions ” ), as shall be established by the Committee and set forth in the Award Agreement evidencing such Award. During any period (the “ Restriction Period ” ) in which shares acquired pursuant to a Stock Award remain subject to Vesting Conditions, such shares may not be sold, exchanged, transferred, pledged, assigned or otherwise disposed of other than pursuant to a Change of Control as provided in Section 11, or as provided in Section 8.8. Upon request by the Company, each Participant shall execute any agreement evidencing such transfer restrictions prior to the receipt of shares of Stock hereunder and shall promptly present to the Company any and all certificates representing shares of Stock acquired hereunder for the placement on such certificates of appropriate legends evidencing any such transfer restrictions. Restricted Stock Units may be subject to such conditions that may delay the delivery of the shares of Stock (or their cash equivalent) subject to Restricted Stock Units after the vesting of such Award.