top of page
page background - sea waters and rocks
Royal Falconian Logo

Understanding End-of-Service Benefits (EOSB) under IAS 19

  • Writer: Royal Falconian Actuaries
    Royal Falconian Actuaries
  • Nov 5, 2025
  • 4 min read

Updated: Mar 2

Introduction

In many jurisdictions across the Middle East, particularly in the Gulf region, the employer's obligation to pay end-of-service benefits (EOSB) is a key part of employee compensation. Under IAS 19, these EOSB commitments are generally classified as defined benefit plans. This classification requires actuarial recognition of the associated liability. While the standard's preferred method is the Projected Unit Credit (PUC) method, there are situations where a straight-line (service pro-rated) attribution of benefits must be applied.


This article explains what triggers the straight-line attribution approach, how it is implemented in practice (with a worked example), and how that influences the liability measurement in your financial statements.


1. Basis for Valuing EOSB under IAS 19

Under IAS 19, an entity must determine its defined benefit obligation (DBO) for EOSB by following these steps:


  • Estimate the benefits expected to be paid to employees at exit or retirement.

  • Project those benefits to reflect future salary growth.

  • Discount the resulting future payments to present value using a high-quality corporate bond rate (or equivalent).


These steps are part of the PUC method of attributing employee service costs. According to IAS 19 paragraph 73, if benefit accrual is disproportionately greater in later years of service, then a straight-line approach must be adopted instead of simply applying the plan’s formula. In simpler terms, when the benefit pattern is back-loaded, straight-lining ensures that expense recognition reflects service evenly over the vesting period.


2. When the Straight-Line Approach Is Required

The straight-line service cost allocation becomes mandatory when the EOSB plan’s design causes significant benefit build-up in the later years of service. A common example in the Gulf region is an EOSB plan that pays 15 days’ salary per service year for the first five years, but increases to 30 days’ salary per year thereafter.


In this scenario, the accrual of benefits is clearly heavier in later service years. Applying the standard formula would front-load expense recognition and understate earlier service costs. Therefore, the straight-line method (i.e., spreading the total projected benefit evenly over the total anticipated service years) aligns recognition with the concept of service cost.


3. How to Implement the Straight-Line Approach

The following process outlines how actuaries apply the straight-line methodology for EOSB:


  1. Project the total benefit entitlement at the expected exit or retirement date. This involves determining the final salary at that date, applying the step-up accrual formula, and estimating the total EOSB payable.

  2. Allocate the benefit across the service period. Divide the total projected benefit by the expected total years of service (T) to derive the portion attributable to each service year (t). For each year the employee remains, the service cost recognized is (Projected Total Benefit ÷ T).

  3. Discount the future cash flows. Apply the discount rate to the annual service cost to derive the present value of the defined benefit obligation.

  4. Recognize the expense each period. The straight-line allocation means the expense recognized in profit and loss is identical each year (assuming service continues), rather than being back-loaded.


Under IAS 19, both the benefit attribution (paragraphs 70–74) and the recognition of actuarial assumptions (paragraphs 76–83) must be handled within the Projected Unit Credit framework. Therefore, even when straight-line attribution is applied, the valuation still incorporates assumptions such as salary escalation, discount rates, turnover probabilities, and mortality — ensuring the liability reflects the discounted present value of expected future payments.


4. Worked Example

Consider an employee whose current salary is SAR 225,000, expected to serve for 20 years, with a final salary projected at SAR 500,000. Suppose the EOSB plan provides:


  • 15 days of salary per year for the first 5 years.

  • 30 days of salary per year for the subsequent 15 years.


To calculate the total EOSB entitlement at year 20, combine the two accrual bands. Then, divide this total by 20 years to derive the straight-line service cost per annum. Finally, discount to present value as required under IAS 19. With this approach, the company recognizes the same annual cost each year, rather than increasing recognition in later years due to the benefit step-up.


5. When Not to Use the Straight-Line Approach

The straight-line attribution is not appropriate when:


  • The benefit accrual is uniform (e.g., one month’s salary per year of service) and does not accelerate in later years.

  • The benefit formula has a cap or limit such that accrual slows or ceases in later years.


In these scenarios, the standard accrued-service approach under the PUC methodology remains appropriate. The expense recognized reflects service already rendered, not evenly spread.


6. Differences in Liability and Expense Outcomes

Using the straight-line approach typically results in a higher defined benefit obligation (DBO) relative to the accrued-service approach, especially for younger employees with fewer years of service. The reason is that the projected service cost for early years is increased because recognition is smoothed rather than back-loaded. For employees close to the exit point, both methods converge in outcome. Practically, early-stage employers (or those with many newer staff) will see a more significant difference between the two methods.


7. Summary and Key Take-aways

  • EOSB schemes in Gulf-region firms typically fall under defined benefit accounting in IAS 19.

  • The PUC method is the overarching methodology; within it, the disclosed formula may be replaced by straight-line attribution when accrual is back-loaded.

  • The straight-line approach ensures recognition of service cost is evenly allocated across service years.

  • Step-up accrual schemes often trigger the need for straight-line attribution.

  • Flat accrual schemes or those with benefit caps generally do not require straight-line treatment.

  • Companies should expect a higher DBO when using straight-line attribution, especially for newer staff.

  • Actuaries must ensure the chosen method is justifiable, clearly explained in disclosures, and consistently applied under IAS 19.


Why This Matters for Middle East Employers

For employers operating in the UAE, Saudi Arabia, and the broader GCC region, accurate actuarial valuation of EOSB obligations is not just a compliance exercise. It impacts reported liabilities, expense recognition, loan covenants, balance sheet metrics, and potentially bonus or remuneration structures. By partnering with a specialist actuarial firm, organizations can ensure that:


  • EOSB valuations are IAS 19-compliant and reflect the correct attribution method.

  • The impact of step-up accruals (or other plan design features) is properly reflected.

  • The disclosure in the financial statements is rigorous and clear for auditors and stakeholders.


We invite interested organizations to reach out to Royal Falconian for tailored guidance on EOSB valuations, end-of-service benefit modeling, and broader employee-benefit obligations under international accounting standards.

 
 
bottom of page