Court of Appeals for the D.C. Circuit January 11, 2013, 12-5116 (United Steel, Paper & Forestry, Rubber, Manufacturing, Energy, Allied Industrial & Service Workers International Union Ex Rel. Thunderbird Mining Co. Pension Plan v. Pension Benefit Guaranty Corp.)

United States Court of Appeals

FOR THE DISTRICT OF COLUMBIA CIRCUIT

Argued November 5, 2012 Decided January 11, 2013

No. 12-5116

UNITED STEEL, PAPER AND FORESTRY, RUBBER,

MANUFACTURING, ENERGY, ALLIED INDUSTRIAL AND

SERVICE WORKERS INTERNATIONAL UNION, AFL-CIO-CLC,

ON BEHALF OF THE PARTICIPANTS AND BENEFICIARIES OF THE

THUNDERBIRD MINING CO. PENSION PLAN, ET AL.,

APPELLANTS

v.