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💰 '''Price adjustment mechanism''' is a contractual provision in an insurance [[Definition:Mergers and acquisitions (M&A) | M&A]] transaction that allows the final [[Definition:Purchase consideration | purchase price]] to be recalculated after closing to reflect the target's actual financial position at the transfer date, rather than relying solely on estimates made at signing. Because insurance balance sheets are inherently volatile — driven by movements in [[Definition:Reserve | reserves]], [[Definition:Premium | premium]] receivables, [[Definition:Investment portfolio | investment portfolios]], and regulatory capital — a price adjustment mechanism bridges the gap between the projected and actual economics the buyer inherits.

⚙️ The two most common structures are a completion accounts mechanism and a [[Definition:Locked box | locked box]] approach, each allocating risk differently. Under a completion accounts model, the parties agree on a reference balance sheet framework — often focused on [[Definition:Net asset value (NAV) | net asset value]] or [[Definition:Embedded value | embedded value]] — and then prepare actual accounts shortly after closing, with the purchase price truing up or down based on deviations from an agreed target figure. In insurance deals, the most contested line items tend to be [[Definition:Loss reserve | loss reserves]], [[Definition:Deferred acquisition cost (DAC) | deferred acquisition costs]], and [[Definition:Unearned premium reserve (UPR) | unearned premium reserves]], because small methodology differences can swing valuations by millions. Under a locked box, by contrast, the price is fixed by reference to a historical balance sheet date, and the seller covenants not to extract value ("leakage") between that date and closing, eliminating the need for post-closing adjustments but shifting interim economic risk to the buyer.

📊 Choosing the right mechanism shapes deal dynamics well beyond the headline price. In long-tail [[Definition:Property-casualty insurance | property-casualty]] transactions, where reserve development can be material, buyers often insist on completion accounts with bespoke reserving protocols and independent [[Definition:Actuarial | actuarial]] review rights. Life insurance deals involving [[Definition:Embedded value | embedded value]] adjustments may require sophisticated modeling of [[Definition:Policyholder | policyholder]] behavior and discount rate assumptions. Disputes over price adjustment calculations are among the most common sources of post-closing litigation in insurance M&A, which is why the drafting of definitions, accounting policies, and dispute resolution procedures — often including expert determination by a neutral [[Definition:Actuary | actuary]] or accountant — receives intense attention from both sides.

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Locked box]]
* [[Definition:Completion accounts]]
* [[Definition:Net asset value (NAV)]]
* [[Definition:Embedded value]]
* [[Definition:Purchase consideration]]
* [[Definition:Earn-out]]
{{Div col end}}

Definition:Price adjustment mechanism - Revision history

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