Date of Plan Participation. All Employees with undistributed account balances in the KM Plan that were merged with and into the Plan shall be eligible to become Participants in the Plan effective January 1, 1997. Any individual who participated in the KM Plan but who terminated employment prior to, and who does not have an Employment Commencement Date on or after, January 1, 1997, shall not become a Participant in the Plan, except for a limited purpose, including, without limitation, investment allocation and distributions, as outlined in [Section 3.06].

Date of Plan Participation. Any participant in the Pennz Plan on October 31, 2000 shall become a Participant in the Plan on November 1, 2000; provided, however, that any individual who participated in the Pennz Plan but who terminated employment prior to, and who does not have an Employment Commencement Date on or after, November 1, 2000 shall not become a Participant in the Plan, except for a limited purpose, including, without limitation, investment allocation and distributions, as outlined in [Section 3.06] of the Plan.

Date of Plan Participation. Each Participant who was employed by the Employer on August 29, 2000 and continued to be employed by such Employer immediately thereafter shall continue to participate in the Plan in accordance with its terms. Notwithstanding anything in to the contrary herein, any Employee who was employed by Santa Fe immediately prior to the merger of a subsidiary of the Company with and into Santa Fe on August 29, 2000 shall not be eligible to participate in the Plan. Any participant in the Santa Fe Plan on December 31, 2000 shall become a Participant in the Plan on January 1, 2001. Any individual who participated in the Santa Fe Plan but who terminated employment prior to, and who does not have an Employment Commencement Date on or after, January 1, 2001, shall not become a Participant in the Plan, except for a limited purpose, including, without limitation, investment allocation and distributions, as outlined in [Section 3.06] of the Plan.

Date of Plan Participation. All Employees who are "members" (the "Members") (as such term is defined in the Mitchell Savings Plan) in the Mitchell Savings Plan immediately prior to March 1, 2002 shall be eligible to become Participants in the Plan upon March 1, 2002. Any individual who participated in the Mitchell Savings Plan but who terminated employment prior to, and who does not have an Employment Commencement Date on or after, March 1, 2002, shall not become a Participant in the Plan, except for a limited purpose, including, without limitation, investment allocation and distributions, as outlined in [Section 3.06] of the Plan.

Date of Plan Participation. Effective January 1, 2004, every Employee who was employed by Ocean as of April 25, 2003, was an active participant in the Ocean Plan and is an Employee as of January 1, 2004 shall be a Participant in the Plan. An individual who participated in the Ocean Plan but who terminated employment prior to, and who does not have an Employment Commencement Date on or after, January 1, 2004, shall not become a Participant in the Plan, except for a limited purpose, including, without limitation, investment allocation and distributions, as outlined in [Section 3.06] of the Plan.

Date of Plan Participation. Any participant in the Thunder Creek Plan on December 17, 2009 shall become a Participant in the Plan on December 18, 2009. Any individual who participated in the Thunder Creek Plan but who terminated employment prior to, and who does not have an Employment Commencement Date on or after, December 18, 2009 shall not become a Participant in the Plan, except for a limited purpose, including, without limitation, investment allocation and distributions, as outlined in [Section 3.06] of the Plan.

Participation in the Plan is limited to selected executive officers and management of ESSA. Selection is based on the functional responsibilities and the extent to which the employee has the opportunity to influence the desired organizational results. Final decisions are based on CEO recommendation and Committee approval. In general, the participant pool will be selected from individuals in the positions set forth on [Attachment B].

Participation in the Plan is limited to selected executive officers and management of ESSA. Selection is based on the functional responsibilities and the extent to which the employee has the opportunity to influence the desired organizational results. Final decisions are based on CEO recommendation and Committee approval. In general, the participant pool will be selected from individuals in the positions set forth on [Attachment B].

Plan Participation. Each Fiscal Year, on or prior to the Annual Bonus Notification Date for such Fiscal Year, the Plan Administrator, in its sole discretion, will select Participants from among the employees and partners of the Participating Employers and will notify such individuals that they have been selected to participate in the Plan for such Fiscal Year. The Plan Administrator may, in its sole discretion, establish different rules and/or sub-plans under the Plan # with respect to Participants based outside of the United States and Participants who are employees of, or other service providers for, a “nonqualified entity” within the meaning of Section 457A of the Code, in each case, in a manner intended to address tax, administrative and securities law considerations with respect to the Company and such Participants or # on such terms as are approved by the Plan Administrator and communicated to the applicable Participants prior to or coincident with the Annual Bonus Notification Date. Such alternate rules and/or sub-plans may include, without limitation, different treatment with respect to timing of vesting and delivery of Common Shares (or, if applicable, cash or other securities) under the Plan and may be set forth in Schedules to be attached hereto from time to time.

Participation in the Plan is limited to selected executive officers and management of ESSA. Selection is based on the functional responsibilities and the extent to which the employee has the opportunity to influence the desired organizational results. Final decisions are based on CEO recommendation and Committee approval. In general, the participant pool will be selected from individuals in the positions set forth on [Attachment B].