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Contribution by Business Segments - Revenue Revenue (2019) 1 2019 2018 Change RMB % of Business million RMB total million % of RMB total million Growth Dredging Others 6.0% 1.4% Infrastructure 492,814 86.0% 431,817 85.0% 60,997 14.1% Construction | Infrastructure Design Dredging | 34,578 Infrastructure Construction 86.0% Others Total (before elimination) 38,018 6.6% 31,557 6.2% 6,461 20.5% | 6.0% 32,796 6.4% 1,782 5.4% 8,286 1.4% 12,402 2.4% (4,116) (33.2%) 573,696 100.0% 508,572 100.0% 65,124 12.8% Infrastructure Design 6.6% Note: 1 All figures are before elimination of inter-segment transactions and unallocated costs 中国交建 CHINA COMMUNICATIONS CONSTRUCTION 15

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