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📐 '''Exposure at default (EAD)''' is the estimated total economic exposure an insurer or financial institution faces at the moment a counterparty defaults on its obligations — a concept that, while originating in banking regulation, carries significant weight in insurance for managing [[Definition:Credit risk | credit risk]] arising from [[Definition:Reinsurance recoverables | reinsurance recoverables]], [[Definition:Premium | premium]] receivables, derivatives, and other counterparty exposures. For an insurer, EAD quantifies how much could be lost if a [[Definition:Reinsurer | reinsurer]] fails to honor its share of claims, if a [[Definition:Broker | broker]] holding premiums in transit becomes insolvent, or if a counterparty to an investment derivative defaults before settlement.

⚙️ Calculating EAD in an insurance context requires aggregating all current and potential future exposures to a given counterparty. For reinsurance, this means summing outstanding [[Definition:Loss reserve | reserves]] ceded to the reinsurer, [[Definition:Incurred but not reported (IBNR) | IBNR]] amounts recoverable, premiums owed but not yet settled, and any additional exposure that could crystallize under adverse scenarios. Under the [[Definition:Solvency II | Solvency II]] framework in Europe, EAD feeds into the counterparty default risk module of the [[Definition:Solvency capital requirement (SCR) | SCR]] calculation, where it is combined with estimates of the counterparty's [[Definition:Probability of default (PD) | probability of default]] and the [[Definition:Loss given default (LGD) | loss given default]] to determine the capital charge. The [[Definition:Risk-based capital (RBC) | RBC]] framework used by U.S. regulators captures similar risks through charges on reinsurance recoverables, though without the same explicit EAD labeling. [[Definition:IFRS 9 | IFRS 9]], which governs financial instrument accounting for insurers' investment portfolios, also relies on EAD as a key input in its [[Definition:Expected credit loss (ECL) | expected credit loss]] impairment model.

🎯 Getting EAD right matters enormously because reinsurance recoverables often represent one of the largest asset categories on an insurer's balance sheet — and a default by a major reinsurer can trigger cascading solvency stress. The collapse or severe downgrade of a reinsurance counterparty is not a theoretical concern; the insurance industry has experienced it multiple times, reinforcing the importance of robust EAD estimation. [[Definition:Risk management | Risk management]] teams use EAD alongside concentration limits, [[Definition:Collateral | collateral]] requirements such as trust funds or letters of credit, and [[Definition:Credit rating | credit rating]] monitoring to keep counterparty exposures within acceptable bounds. In an era of increasing [[Definition:Catastrophe risk | catastrophe]] losses and larger reinsurance placements, precise EAD measurement is foundational to maintaining both regulatory compliance and genuine financial resilience.

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Credit risk]]
* [[Definition:Loss given default (LGD)]]
* [[Definition:Probability of default (PD)]]
* [[Definition:Reinsurance recoverables]]
* [[Definition:Solvency capital requirement (SCR)]]
* [[Definition:Expected credit loss (ECL)]]
{{Div col end}}

Definition:Exposure at default (EAD) - Revision history

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