FRANKFURT, Oct 1 (Reuters) - The European Central Bank announced the following results for its latest liquidity providing operation: Main Refinancing Operation-Allotment Intended Volume: Reference Number: 20130217 Min Allotment: Transaction Type: Reverse Transactions Fixed Rate: 0.50 % Operation Type: Liquidity Providing Max Bid Limit: Procedure: Standard Tender Max Bids per Cpty: 1 Tender Date: 01/10/2013 11:15 Marg. Rate: Start Date: 02/10/2013 % of All. at Fixed Rate: 100 Maturity Date: 09/10/2013 Tot Amount Allotted: 94465.9 mn Duration (days): 7 Weight. Avg. Allot. Rate: Tot Bid Amount: 94465.9 mn Auction Type: Fixed Rate Tender Tot Number of Bidders: 73 Allotment Method: Min Rate (bids): Max Rate (bids): Estimate on 01/10/2013 of the average autonomous factors for the period 30/09/2013 to 08/10/2013 amounts to EUR 500.6 bn. Benchmark allotment based on the ECB's liquidity forecast as at 01/10/2013 amounts to EUR 11.0 bn. For general information on the calculation of the benchmark allotment amount, please see www.ecb.europa.eu/mopo/liq/html/index.en.html as well as ECB page Operational Communications.