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Technical Deep Dive2026-03-047 min read

Pension Risk Transfer: Buyouts and Buy-Ins

How pension risk transfer transactions work and the actuarial analysis that supports them.

Types of Pension Risk Transfer

Pension risk transfer (PRT) allows defined benefit plan sponsors to reduce or eliminate their pension obligations by transferring risk to insurance companies. In a group annuity buyout, the insurer assumes full responsibility for paying benefits to a group of plan participants, and the plan sponsor is relieved of the obligation. In a buy-in, the insurer issues a group annuity contract owned by the plan that matches the plan's benefit payments for a specified group, but the plan retains the legal obligation. Longevity swaps and longevity insurance transfer only the mortality risk without transferring the full obligation.

Actuarial Analysis

PRT transactions require detailed actuarial analysis by both the plan sponsor and the insurer. Plan actuaries assess the suitability of the transaction, compare pricing quotes from multiple insurers, and evaluate the impact on the plan's funded status and financial statements. Insurance company actuaries price the group annuity by projecting benefit payments, applying mortality assumptions (including improvement scales), and computing the premium needed to fund those payments with an appropriate profit margin. Data quality, participant demographics, and benefit complexity all influence pricing and feasibility.

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