The use of the “Segal Blend” to calculate a company’s withdrawal liability when it withdrew from a multiemployer pension plan violated the Employee Retirement Income Security Act (ERISA), as amended by the Multiemployer Pension Plan Amendments Act (MPPAA), because it was not the actuary’s best estimate, the federal appeals court in Cincinnati has held in a milestone decision for employers with withdrawal liability exposure. Sofco Erectors, Inc. v. Trustees Ohio Operating Eng’r, et al., Nos. 20-3639/3671 (6th Cir. Sept. 28, 2021). More…