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2010 Annual Report - Petron

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ESSO MALAYSIA BERHAD<br />

2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Continued)<br />

(q)<br />

Segment reporting<br />

Segment reporting is consistent with the internal reporting to the Company’s chief operating decision maker,<br />

represented by a committee responsible for allocating resources and assessing performance of the operating<br />

segment.<br />

(r)<br />

Fair value estimation<br />

The carrying amount of current receivables and payables, carried at amortised cost, approximate their fair values.<br />

3. CRITICAL ACCOUNTING ESTIMATES AND ASSUMPTIONS<br />

The Company makes accounting estimates and assumptions concerning the future which may differ from actual results.<br />

The estimates and assumptions that have a significant risk of causing a material adjustment to the carrying amount of<br />

assets and liabilities within the next financial year are:<br />

(a)<br />

Estimated useful lives and residual values of property, plant and equipment<br />

Property, plant and equipment are depreciated on a straight line basis over the term of their useful service lives taking<br />

into account residual values where appropriate. The estimated useful lives of these assets should be reflective of<br />

factors such as service life experience on the facilities and their maintenance programmes. The useful lives and<br />

residual values of assets are reviewed, and adjusted if appropriate, at each balance sheet date. The significant<br />

accounting policy for property, plant and equipment is disclosed in Note 2.<br />

(b)<br />

Retirement Benefits Obligations<br />

The present value of the retirement benefits obligations depends on a number of factors that are determined on an<br />

actuarial basis using a number of assumptions. The assumptions used in determining net cost (income) for the<br />

retirement benefits include the discount rate used to determine the present value of estimated cash outflows<br />

expected to be required to settle the retirement benefits obligations, and salary growth rate. Any changes in these<br />

assumptions will impact the carrying amount of retirement benefits obligations. Refer to Note 18 for the sensitivity of<br />

the overall pension liability to changes in the discount rate and salary growth rate.<br />

4. FINANCIAL RISK MANAGEMENT<br />

a) Market Risk<br />

Given the size and long-term nature of its business, the Company expects that exposure to market risk arising from<br />

changes in currency rate and interest rate will be moderated over time. As such, the Company discourages the use of<br />

financial derivative instruments to manage these risks. The Company believes that the administrative and financial<br />

costs to execute and control the use of derivatives typically outweigh the potential benefits. Any derivative<br />

transaction would require senior management approval and periodic review. Speculative derivative activity is strictly<br />

prohibited.<br />

(i)<br />

Currency risk<br />

The Company’s activities are exposed to currency risk primarily arising from US dollar denominated crude<br />

purchases. A strengthening of the Ringgit would result in a favorable impact to profitability due to credit terms<br />

for payments for crude purchases. The Company has no other significant short-term or long-term<br />

transactions denominated in foreign currencies as at December 31, <strong>2010</strong>.<br />

A 10% depreciation / appreciation of the USD against the Ringgit would result in an approximate decrease /<br />

increase in pre-tax profit of RM39 million (2009: RM41 million) with all other variables held constant.<br />

42<br />

ANNUAL REPORT & ACCOUNTS <strong>2010</strong>

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