• Claims under the Employee Pension Provision Act are a type of claim in which plaintiffs allege that, in addition to pension plan trustees, corporate directors and officers are also liable for default and non-payment of pension plan obligations. “as defendants in such claims are called. The rationale for appointing directors and officers as defendants in fiduciary claims is that they should also be liable for losses incurred by pension plans and 401(k) plans because they are responsible for choosing trusted persons and control over their decisions.