The Participant leaves the employ of the Employers and Related Companies at any age because of disability. A Participant will be considered disabled for purposes of the Plan if the Participant is awarded disability insurance benefits under the Social Security Act, if the Participant is entitled to a pension for permanent incapacity under the terms of the A. M. Castle & Co. Hourly Employees Pension Plan, or would be entitled to such a pension if the Participant’s Employer maintained that plan, or if the Participant is entitled to a benefit under a long term disability salary continuation plan maintained by the Participant’s Employer, or would be entitled to a benefit under such a plan if the Participant met the minimum service requirements for eligibility under the plan.