Exhibit 99.1 AES CHINA GENERATING CO. LTD. STATEMENT RE: COMPUTATION OF FIXED CHARGE COVERAGE RATIO (in thousands, except ratio amounts) Twelve months ended August 31, 1997 1996 --------------------- ---- ---------------------- Adjusted Cash Flow (A) Cash Inflow: (i) Dividend, distribution, payment of interest and scheduled repayment of loan received by the Company and its Wholly Owned Subsidiaries from the Project Companies $ 3,470 $ 2,047 (ii) 50% of the combined interest income of the Company, and its Wholly Owned Subsidiaries from cash, cash equivalents and investments in marketable securities 3,534 3,522 --------------------- ---------------------- 7,004 5,569 --------------------- ---------------------- (B) Cash Outflow: (i) Selling, general and administrative expenses of the Company and its Wholly Owned Subsidiaries 246 1,457 (ii) Company Designated Costs 8,133 10,928 --------------------- ---------------------- 8,379 12,385 --------------------- ---------------------- $ (1,375) $ (6,816) ===================== ====================== Adjusted Interest Expenses $ 13,134 $ -- ===================== ====================== Fixed Charge Coverage Ratio -- -- ===================== ======================