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Notes to Consolidated Financial Statements
Yellow Corporation and Subsidiaries

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The company contributes to multi-employer health, welfare and pension plans for employees covered by collective bargaining agreements (approximately two thirds of total employees). The health and welfare plans provide health care and disability benefits to active employees and retirees. The pension plans provide defined benefits to retired participants. The company charged to expense and contributed the following amounts to these plans (in thousands):

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Under current legislation regarding multi-employer pension plans, a termination, withdrawal or partial withdrawal from any multi-employer plan that is in an under-funded status would render the company liable for a proportionate share of such multi-employer plans’ unfunded vested liabilities. This potential unfunded pension liability also applies to the company’s unionized competitors who contribute to multi-employer plans. Based on the limited information available from plan administrators, which the company cannot independently validate, the company believes that its portion of the contingent liability would be material to its financial position and results of operations. The company’s unionized subsidiary has no intention of taking any action that would subject the company to obligations under the legislation.

The company’s employees covered under collective bargaining agreements can also participate in a contributory 401(k) plan. There are no employer contributions to this plan.

Certain subsidiaries also sponsor defined contribution plans, primarily for employees not covered by collective bargaining agreements. The plans principally consist of contributory 401(k) savings plans and noncontributory profit sharing plans. Company contributions to the 401(k) savings plans consist of both a fixed matching percentage and a discretionary amount. The nondiscretionary company match is equal to 25 percent of the first six percent of an eligible employees contributions. The company’s discretionary contributions for both the 401(k) savings plan and profit sharing plans are determined annually by the Board of Directors of each participating company. Contributions for each of the three years in the period ended December 31, 1999, were not material to the operations of the company.

The company and its operating subsidiaries each provide annual performance incentive awards to nonunion employees which are based primarily on actual operating results achieved compared to targeted operating results. Operating results in 1999, 1998 and 1997 include performance incentive accruals for nonunion employees of $33.1 million,$8.8 million and $25.9 million. Performance incentive awards for a year are primarily paid in the first quarter of the following year.

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