Income and expenses by business segment

Year ended 31 December 2006 Aviation
£m
Non-marine
£m
Marine
£m
UK
commerical
£m
Total UK divisions
£m
Amlin
Bermuda Ltd
£m
Intra group items
£m
Other technical
£m
Total
£m
Gross premium written 75.7 554.6 210.9 150.0 991.2 223.5 (100.8) (0.1) 1,113.8
Analysed by geographic segment
UK 12.7 49.5 53.1 133.7 249.0 110.3 (100.8) 258.5
US 29.5 344.2 51.6 0.3 425.6 88.8 514.4
Europe 14.1 37.9 39.5 5.8 97.3 3.7 101.0
Worldwide 0.4 15.8 19.2 1.6 37.0 1.8 38.8
Other 19.0 107.2 47.5 8.6 182.3 18.9 (0.1) 201.1
Total 75.7 554.6 210.9 150.0 991.2 223.5 (100.8) (0.1) 1,113.8
Gross premium earned 88.8 569.5 192.7 163.2 1,014.2 132.5 (59.3) (0.1) 1,087.3
Reinsurance premium ceded (29.2) (87.3) (31.8) (21.4) (169.7) 56.3 (113.4)
Net premium earned 59.6 482.2 160.9 141.8 844.5 132.5 (3.0) (0.1) 973.9
Insurance claims and claims settlement expenses (48.9) (179.8) (111.0) (103.0) (442.7) (47.5) 29.8 (0.3) (460.7)
Reinsurance recoveries 19.6 7.7 41.2 20.6 89.1 (30.8) 0.2 58.5
Underwriting expenses (24.0) (162.4) (67.6) (37.8) (291.8) (16.0) 4.0 (303.8)
Profit attributable to underwriting 6.3 147.7 23.5 21.6 199.1 69.0 (0.2) 267.9
Investment return 83.1 32.0 115.1
Agency expenses (1) (2.6) (14.3) (3.3) (4.5) (24.7) 24.7
Other non-underwriting expenses (2) (16.5)
Finance costs (2) (23.8)
Profit before tax 342.7
Combined ratio 89% 69% 85% 85% 76% 48% 72%

Included within the UK gross written premium of Amlin Bermuda Ltd a premium from Syndicate 2001 amounting to £100.8 million (2005: £0.3 million) on reinsurance contracts undertaken at commercial rates.