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G4S Annual Report and Accounts 2011

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Governance Financial statements Shareholder information<br />

34 Retirement benefit obligations continued<br />

The weighted average principal assumptions used for the purposes of the actuarial valuations were as follows:<br />

Key assumptions used at 31 December <strong>2011</strong><br />

Discount rate 5.0% 5.3%<br />

Expected return on scheme assets (as at 1 January <strong>2011</strong>) 7.0% 5.1%<br />

Expected rate of salary increases 3.1% 2.4%<br />

Future pension increases (LPI5%) 3.0% 1.5%<br />

Inflation 3.1% 2.1%<br />

Key assumptions used at 31 December 2010<br />

Discount rate 5.5% 5.6%<br />

Expected return on scheme assets (as at 1 January 2010) 6.9% 5.6%<br />

Expected rate of salary increases 3.6% 2.3%<br />

Future pension increases (LPI5%) 3.3% 1.4%<br />

Inflation 3.5% 2.1%<br />

UK<br />

Rest of<br />

World<br />

In addition to the above, the group uses appropriate mortality assumptions when calculating the schemes obligations. The mortality tables used for the<br />

scheme in the UK are as follows:<br />

uu<br />

Current <strong>and</strong> future pensioners Birth year table S1P[M/F]A base allowing for individual scaling factors based on analysis of mortality experienced,<br />

medium cohort improvement factors with an underpin of 1.0% per annum.<br />

The amounts recognised in the income statement in respect of these defined benefit schemes are as follows:<br />

Amounts recognised in income <strong>2011</strong><br />

Current service cost (7) (2) (9)<br />

Finance cost on defined retirement benefit obligations (85) (5) (90)<br />

Expected return on defined retirement benefit scheme assets 89 4 93<br />

Total amounts recognised in income (3) (3) (6)<br />

Amounts recognised in income 2010<br />

Current service cost (11) (4) (15)<br />

Settlement <strong>and</strong> curtailment gains – 9 9<br />

Finance cost on defined retirement benefit obligations (87) (6) (93)<br />

Expected return on defined retirement benefit scheme assets 82 5 87<br />

Total amounts recognised in income (16) 4 (12)<br />

UK<br />

£m<br />

Rest of<br />

World<br />

£m<br />

Total<br />

£m<br />

The amounts recognised in income are included within the following categories in the income statement:<br />

Cost of sales (6) (10)<br />

Administration expenses (3) 4<br />

Finance income 93 87<br />

Finance costs (90) (93)<br />

Total (6) (12)<br />

<strong>2011</strong><br />

£m<br />

2010<br />

£m<br />

<strong>G4S</strong> plc<br />

<strong>Annual</strong> <strong>Report</strong> <strong>and</strong> <strong>Accounts</strong> <strong>2011</strong><br />

111

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