(a)  
On 10 December 2008, the Company entered into the A shares subscription agreement with CSAHC, pursuant to which CSAHC conditionally agreed to subscribe and the Company conditionally agreed to allot and issue 721,150,000 new A shares at RMB3.16 each, for a total consideration of RMB2,278,834,000. On the same date, the Company and Nan Lung Holding Limited (“Nan Lung”), a wholly owned subsidiary of CSAHC entered into the H shares subscription agreement, pursuant to which Nan Lung conditionally agreed to subscribe and the Company conditionally agreed to allot and issue 721,150,000 new H shares at HK$ equivalent of RMB1.00 each, for a total consideration of RMB721,150,000.

The subscription agreements were approved in the Extraordinary General Meeting and the respective Class Meetings of shareholders of A and H shares on 26 February 2009 and are pending approval from the respective security regulatory authorities.

(b)  
Pursuant to a document issued jointly by the Ministry of Finance of the PRC and CAAC on 22 January 2009, “Notice of CAAC Infrastructure Development Fund contributions refund”, the Group is entitled to a refund of the CAAC Infrastructure Development Fund contributions in respect of the period from 1 July 2008 to 30 June 2009. The CAAC Infrastructure Development Fund payable for the period from 1 July 2008 to 31 December 2008 of the Group amounted to approximately RMB663 million.

As at 31 December 2008, the directors of the Company consider the immediate parent and ultimate controlling party of the Group to be CSAHC, a state-owned enterprise established in the PRC. CSAHC does not produce financial statements available for public use.

Notes to the Financial Statements
(Prepared in accordance with International Financial Reporting Standards) (Expressed in Renminbi)

The Groups’ financial position and results of operations are sensitive to accounting methods, assumptions and estimates that underlie the preparation of the financial statements. The Group bases the assumptions and estimates on historical experience and on various other assumptions that the Group believes to be reasonable and which form the basis for making judgements about matters that are not readily apparent from other sources. On an on-going basis, management evaluates its estimates. Actual results may differ from those estimates as facts, circumstances and conditions change.
The selection of critical accounting policies, the judgements and other uncertainties affecting application of those policies and the sensitivity of reported results to changes in condition and assumptions are factors to be considered when reviewing the financial statements. The principal accounting policies are set forth in Note 2. The Group believes the following critical accounting policies involve the most significant judgements and estimates used in the preparation of the financial statements.
(a) Impairment of long-lived assets
If circumstances indicate that the net book value of a long-lived asset may not be recoverable, this asset may be considered “impaired”, and an impairment loss may be recognised in accordance with IAS 36, Impairment of Assets. The carrying amounts of long-lived assets are reviewed periodically in order to assess whether the recoverable amounts have declined below the carrying amounts. These assets are tested for impairment whenever events or changes in circumstances indicate that their recorded carrying amounts may not be recoverable. When such a decline has occurred, the carrying amount is reduced to the recoverable amount. The recoverable amount is the greater of the net selling price and the value in use. In determining the value in use, expected cash flows generated by the asset are discounted to their present value, which requires significant judgement relating to the level of traffic revenue and the amount of operating costs. The Group uses all readily available information in determining an amount that is a reasonable approximation of recoverable amount, including estimates based on reasonable and supportable assumptions for projections of traffic revenue and amount of operating costs.
　
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