exhibit 10. 1 execution copy asset transfer agreement among union electric company d / b / a ameren ue, central illinois public service company d / b / a ameren cips and ameren corporation dated as of may 2, 2005 chi - 1464202v2 chi - 1464202v2 chi - 1464202v2 table of contents page article 1 transfer of assets 1 1. 1 identification of assets 1 ( a ) inventory 2 ( b ) fixed assets 2 ( c ) real property 2 ( d ) leased property 2 ( e ) intellectual property rights 2 ( f ) business records 2 ( g ) contracts 3 ( h ) permits 3 ( i ) insurance 3 ( j ) rolling stock and vehicles 3 ( k ) petty cash 3 ( l ) accounts receivable 3 ( m ) uncollectible accounts 3 ( n ) accrued revenues 3 ( o ) environmental cleanup 3 ( p ) customer deposits 3 ( q ) miscellaneous 3 1. 2 dividend and transfer of assets 4 1. 3 contribution of assets 4 1. 4 retained assets 4 ( a ) designated assets 4 ( b ) non - assigned contracts 4 ( c ) employee plan assets 5 ( d ) corporate records 5 ( e ) this agreement 5 ( f ) third party actions 5 ( g ) subsidiaries 5 ( h ) cash and cash equivalents 5 ( i ) discontinued operations 5 ( j ) miscellaneous 5 1. 5 assignability and consents 5 ( a ) required consents 5 ( b ) nonassignable items 6 article 2 liabilities 6 2. 1 assumption of liabilities 6 ( a ) balance sheet 6 ( b ) trade payables 6 ( c ) contracts 6 i table of contents ( continued ) page ( d ) liabilities and obligations 7 ( e ) litigation 7 ( f ) environmental liabilities 7 ( g ) accounts payable 7 ( h ) accrued payroll 7 ( i ) vacation liability 7 ( j ) customer liabilities 7 ( k ) taxes 8 2. 2 retained liabilities 8 ( a ) pre - closing 8 ( b ) liabilities relating to the transfer of acquired assets 8 ( c ) employee - related liabilities 8 ( d ) litigation 9 ( e ) product, environmental and safety liability 9 ( f ) taxes 9 ( g ) liabilities 9 article 3 transfer and exchange 9 3. 1 payment 9 3. 2 prorations 10 article 4 closing 10 4. 1 general 10 4. 2 documents to be delivered