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📋 '''True-up mechanism''' is a contractual provision in an [[Definition:Insurance mergers and acquisitions (M&A) | insurance M&A]] agreement that adjusts the final purchase price after [[Definition:Completion | closing]] to reflect the actual financial position of the target as of the completion date, rather than the estimated position used to calculate the price paid on the day. Insurance businesses are particularly well suited — and particularly prone — to post-closing adjustments because key balance sheet items such as [[Definition:Insurance reserve | loss reserves]], [[Definition:Unearned premium | unearned premium reserves]], [[Definition:Reinsurance recoverable | reinsurance recoverables]], and [[Definition:Deferred acquisition cost (DAC) | deferred acquisition costs]] cannot be precisely determined until weeks or months after the effective date. The true-up mechanism ensures that neither party is permanently enriched or shortchanged by the timing gap between the estimated and actual figures.

⚙️ Operationally, the mechanism works through a structured post-closing process. The [[Definition:Share purchase agreement (SPA) | SPA]] defines a set of reference metrics — most commonly [[Definition:Net asset value (NAV) | net asset value]], [[Definition:Net tangible assets | net tangible assets]], or a bespoke measure of [[Definition:Embedded value | embedded value]] — and specifies how these metrics will be calculated using agreed accounting policies and [[Definition:Actuarial analysis | actuarial methodologies]]. At signing, the parties agree on estimated values for these metrics, and the price paid at closing reflects those estimates. Within a specified period after closing — typically sixty to ninety days — the buyer prepares completion accounts showing the actual figures. The seller reviews and may dispute these accounts, with unresolved disagreements referred to an independent expert, often a specialist [[Definition:Actuarial firm | actuarial]] or accounting firm. The difference between the estimated and actual figures generates either a payment from the buyer to the seller (if actual value exceeded the estimate) or a refund from the seller to the buyer (if it fell short).

💡 In insurance deals, the true-up can involve substantial sums because of the inherent uncertainty in [[Definition:Loss reserve | reserve]] estimation — especially for long-tail lines like [[Definition:Liability insurance | casualty]], [[Definition:Professional liability insurance | professional liability]], or [[Definition:Workers' compensation insurance | workers' compensation]]. A reserve swing of even a few percentage points on a large book can translate into tens of millions of dollars in price adjustment. This makes the drafting of the true-up mechanism one of the most technically demanding aspects of the SPA: the choice of accounting standards (e.g., [[Definition:US GAAP | US GAAP]] vs. [[Definition:IFRS 17 | IFRS 17]]), the treatment of [[Definition:Incurred but not reported (IBNR) | IBNR]], the selection of [[Definition:Actuarial assumptions | actuarial assumptions]], and the identity of the independent expert all carry material economic consequences. Sophisticated sellers negotiate for methodological consistency with past practice, while buyers push for the flexibility to apply their own reserving judgment. The mechanism also interacts with other deal protections — if the SPA contains a [[Definition:Locked box | locked box]] structure instead of completion accounts, the true-up may be replaced by a [[Definition:Leakage | leakage]] regime, eliminating post-closing price adjustments entirely but introducing different risks.

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Completion accounts]]
* [[Definition:Locked box]]
* [[Definition:Net asset value (NAV)]]
* [[Definition:Insurance reserve]]
* [[Definition:Share purchase agreement (SPA)]]
* [[Definition:Earn-out]]
{{Div col end}}

Definition:True-up mechanism - Revision history

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