Liquidity risk is related with the Group's need for the sufficient financing of its operations and development. The policy of the Group is to minimize interest rate cash flow risk exposures on long-term financing. Liquidity risk is managed by retaining sufficient cash and immediately liquidated financial assets as well as sufficient credit lines with Banks and Suppliers in relation to the required financing of operations and investments.
The tables below summarize the maturity profile of the Group's financial liabilities as at 31.12.2008 and 31.12.2007 respectively:
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