Reinsurance is an arrangement in which a company, the reinsurer, agrees to indemnify an insurance company, the ceding company, against all or a portion of the primary insurance risks underwritten by the ceding company under one or more insurance contracts. The reinsurance practice is close to the insurance practice. The main differences stem from a greater complexity due to a wider diversity of activities and from an international practice. Reinsurance can provide a ceding company with several benefits, including a reduction in net liability on individual risks and catastrophe protection from large or multiple losses. Reinsurance also provides a ceding company with additional underwriting capacity by permitting it to accept larger risks and write more business than would be possible without a concomitant increase in capital and surplus. Reinsurance, however, does not discharge the ceding company from its liability to policyholders. Reinsurers themselves may feel the need to transfer some of the risks concerned to other reinsurers, in a procedure known as retrocession.

Functions

Reinsurance provides three essential functions:

1. First, reinsurance helps to stabilize direct insurers' earnings when unusual and major events occur, by assuming the high layers of these risks or relieving them of accumulated individual exposures;

2. Reinsurance allows insurers to increase the maximum amount they can insure for a given loss or category of losses, by enabling them to underwrite a greater number of risks, or larger risks, without burdening their need to cover their solvency margin, and hence their capital base;

3. Reinsurance makes substantial quantities of liquidity available to insurers in the event of major loss events. In addition, the SCOR Group  also:

a. helps its ceding companies to define their reinsurance needs and devise the most effective reinsurance program, to better plan for their capital adequacy and solvency margin;
b. supplies a wide array of support services, particularly in terms of technical training, organization, accounting and
information technology;
c. provides expertise in certain highly specialized areas such as the analysis of complex risks and risk pricing;
d. enables its ceding companies to build up their business even if they are undercapitalized, particularly in order to launch
new products requiring heavy investment.

Type of Reinsurance

• Treaty and Facultative Reinsurance
The two basic types of reinsurance arrangements are treaty and facultative reinsurance.

In treaty reinsurance, the ceding company is contractually bound to cede and the reinsurer is bound to assume a specified portion of a type or category of risks insured by the ceding company. Treaty reinsurers, including the SCOR Group, do not separately evaluate each of the individual risks assumed under their treaties and, consequently, after a review of the ceding company's underwriting practices, are dependent on the original risk underwriting decisions made by the ceding primary policy writers.
Such dependence subjects reinsurers in general, including SCOR, to the possibility that the ceding companies have not adequately evaluated the risks to be reinsured and, therefore, that the premiums ceded in connection therewith may not adequately compensate the reinsurer for the risk assumed.

The reinsurer's evaluation of the ceding company's risk management and underwriting practices as well as claims settlement practices and procedures, therefore, will usually impact the pricing of the treaty.

In facultative reinsurance, the ceding company cedes and the reinsurer assumes all or part of the risk assumed by a particular specified insurance policy. Facultative reinsurance is negotiated separately for each insurance contract that is reinsured. Facultative reinsurance normally is purchased by ceding companies for individual risks not covered by their reinsurance treaties, for amounts in excess of the monetary limits of their reinsurance treaties and for unusual risks. Underwriting expenses and, in particular, personnel costs,
are higher relative to premiums written on facultative business because each risk is individually underwritten and administered. The ability to separately evaluate each risk reinsured, however, increases the probability that the underwriter can price the contract to more accurately reflect the risks involved.


• Proportional and Non-Proportional Reinsurance
Both treaty and facultative reinsurance can be written on a proportional, or pro rata, basis or a non-proportional, or excess of loss or stop loss, basis.

With respect to proportional or pro rata reinsurance, the reinsurer, in return for a predetermined portion or share of the insurance premium charged by the ceding company, indemnifies the ceding company against a predetermined portion of the losses and loss adjustment expenses, or LAE, of the ceding company under the covered insurance contract or contracts.

In the case of reinsurance written on a non-proportional, or excess of loss basis or excess of loss, the reinsurer indemnifies the ceding company against all or a specified portion of losses and LAE, on a claim by claim basis or with respect to a line of business, in excess of a specified amount, known as the ceding company's retention or reinsurer's attachment point, and up to a negotiated reinsurance contract limit.

Although the frequency of losses under a pro rata reinsurance contract is usually greater than on an excess of loss contract, generally the loss experience is more predictable and the terms and conditions of a pro rata contract can be structured to limit aggregate losses from the contract. A pro rata reinsurance contract therefore does not necessarily require that a reinsurance company assumes greater risk exposure than on an excess of loss contract. In addition, the predictability of the loss experience may better enable underwriters and actuaries to price such business accurately in light of the risk assumed, therefore reducing the volatility of results.

Excess of loss reinsurance is often written in layers. One or a group of reinsurers accepts the risk just above the ceding company's retention up to a specified amount, at which point another reinsurer or a group of reinsurers accepts the excess liability up to a higher specified amount or such liability reverts to the ceding company. The reinsurer taking on the risk just above the ceding company's retention layer is said to write working layer or low layer excess of loss reinsurance. A loss that reaches just beyond the ceding company's retention will create a loss for the lower layer reinsurer, but not for the reinsurers on the higher layers. Loss activity in lower layer reinsurance tends to be more predictable than that in higher layers due to a greater historical frequency, and therefore, like pro rata reinsurance, better enables underwriters and actuaries to more accurately price the underlying risks.

Premiums payable by the ceding company to a reinsurer for excess of loss reinsurance are not directly proportional to the premiums that the ceding company receives because the reinsurer does not assume a direct proportionate risk. In contrast, premiums that the ceding company pays to the reinsurer for pro rata reinsurance are proportional to the premiums that the ceding company receives, consistent with
the proportional sharing of risk. In addition, in pro rata reinsurance the reinsurer generally pays the ceding company a ceding commission. The ceding commission is usually based on the ceding company's cost of acquiring the business being reinsured (commissions, premium taxes, assessments and miscellaneous administrative expense) and also may include a profit factor for producing the business.


• Retrocession
Reinsurers typically purchase reinsurance to cover their own risk exposure or to increase their capacity. Reinsurance of a reinsurer's business is called a retrocession. Reinsurance companies cede risks under retrocessional agreements to other reinsurers, known as retrocessionaires, for reasons similar to those that cause primary insurers to purchase reinsurance: to reduce net liability on individual risks, protect against catastrophic losses and obtain additional underwriting capacity.


• Broker vs. Direct Reinsurance
Reinsurance can be written through professional reinsurance brokers or directly from ceding companies. From a ceding company's perspective, both the broker market and the direct market have advantages and disadvantages. A ceding company's selection of one market over the other will be influenced by its perception of such advantages and disadvantages relative to the reinsurance coverage being placed. For example, broker coverages usually involve a number of participating reinsurers that have been assembled by a broker, each assuming a specified portion of the risk being reinsured. A ceding company may find it easier to arrange such coverage in a difficult underwriting environment where risk capacity is constrained and reinsurers are seeking to limit their risk exposure. In contrast, direct coverage is usually structured by ceding companies directly with one or a limited number of reinsurers. The relative amount of brokered and direct business written by the Group's subsidiaries varies according to local market practice.

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