Boise Cascade, the Boise, Idaho based manufacturer of building materials, has purchased its third group annuity contract from Prudential Insurance Company of America.  According to its 8-K filing, $19.8 million in pension assets were transferred to Prudential, representing approximately 10% of Boise Cascade’s projected U.S. qualified pension plan obligations. This is Boise Cascade’s third transaction with Prudential.