*Pages 1--5 from  8423.xls*
 Waste  Management  Holdings,  Inc. 
 Pro  Forma  -Related  Transactions 

 Transaction  Transaction  Date  Unauthorize  d  Action  No.  Licenses 
 Sanifill  of  Hawaii,  Inc.  was  merged  into  Waste  Management  of  Hawaii,  Inc.  9/  29/  00  Transfer  of  control  1 
 USA  Waste  of  New  Jersey,  Inc.  was  merged  into  Waste  Management  of  New 
 Jersey,  Inc.  9/  29/  00 
 Transfer  of 
 control  5 

 The  stock  of  Klamath  Disposal,  Inc.  was  contributed  by  Waste  Management 
 Holdings,  Inc.  to  Waste  Management  of  Oregon,  Inc.  9/  1/  00 
 Transfer  of 
 control  2 

 The  stock  of  Cal  Sierra  Disposal,  Inc.  was  contributed  by  Waste 
 Management  Holdings,  Inc.  to  USA  Waste  of  California,  Inc.  9/  1/  00 
 Transfer  of 
 control  2 

 Waste  Management  of  Oregon,  Inc.  was  merged  into  USA  Waste  of  Oregon, 
 Inc.  and  the  name  of  USA  Waste  of  Oregon,  Inc.  was  changed  to  Waste 
 Management  of  Oregon,  Inc. 
 8/  17/  00  Transfer  of  control  2 

 Nevada  City  Garbage  Service,  Inc.  was  merged  into  USA  Waste  of 
 California,  Inc.  6/  1/  00 
 Transfer  of 
 control  2 

 Millers  Sanitary  Service,  Inc.  was  merged  into  USA  Waste  of  Oregon,  Inc.  3/  31/  00  Transfer  of  control  2 
 USA  Waste  of  Pennsylvania,  Inc.  was  merged  into  Waste  Management  of 
 Pennsylvania,  Inc.  3/  31/  00  Assignment  2 

 Waste  Management  of  Connecticut,  Inc.  contributed  assets  to  Waste 
 Management  New  England  Transport,  Inc.  3/  31/  00  Assignment  1 

 Miller's  Sanitary  Service,  Inc.  was  merged  out  of  existence.  3/  31/  00  Assignment  2 
 City  Environmental  Services,  Inc.  of  Romulus  was  merged  into  Waste 
 Management  of  Michigan,  Inc.  12/  29/  99  Assignment  2 

 Waste  Management  of  Louisiana  Holdings  Two,  Inc.,  which  owned  1%  of 
 Waste  Management  of  Louisiana,  LLC,  was  merged  into  Waste 
 Management  of  Louisiana  Holdings  One,  Inc. 
 12/  20/  99  Transfer  of  control  7 

 Waste  Management  of  Hawaii,  Inc.  (HI)  was  merged  into  Waste 
 Management  of  Hawaii,  Inc.  (DE)  12/  20/  99  Assignment  1 

 Nick  Raffo  Garbage  Co.,  Inc.  was  merged  into  Washington  Waste  Hauling 
 &  Recycling,  Inc.  12/  20/  99  Assignment  1 

 North  Broward  Holdings  Inc.  was  merged  into  Wheelabrator  Environmental 
 Systems  Inc.  12/  16/  99 
 Transfer  of 
 control  2 
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 Waste  Management  Holdings,  Inc. 
 Pro  Forma  -Related  Transactions 

 Transaction  Transaction  Date  Unauthorize  d  Action  No.  Licenses 
 South  Broward  Holdings  Inc.  was  merged  into  Wheelabrator  Environmental 
 Systems  Inc.  12/  16/  99 
 Transfer  of 
 control  1 

 Eastern  Environmental  Services,  Inc.  was  merged  into  Waste  Management 
 Holdings,  Inc.  12/  16/  99 
 Transfer  of 
 control  2 

 D&  D  Container,  Inc.  was  merged  into  Waste  Management  of  Utah,  Inc.  12/  16/  99  Assignment  1 
 Waste  Management  of  North  America,  Inc.  was  merged  into  Waste 
 Management  Holdings,  Inc.  12/  15/  99 
 Transfer  of 
 control  145 

 The  stock  of  S&  S  Grading,  Inc.  was  contributed  by  Waste  Management 
 Holdings,  Inc.  to  Chambers  of  West  Virginia,  Inc.  12/  1/  99 
 Transfer  of 
 control  1 

 The  stock  of  Bayside  of  Marion,  Inc.  was  contributed  by  Waste  Management 
 Holdings,  Inc.  to  Waste  Management,  Inc.  of  Florida  12/  1/  99 
 Transfer  of 
 control  1 

 USA  Waste  Hauling  of  Philadelphia,  Inc.  merged  into  Waste  Management 
 of  Pennsylvania,  Inc.  12/  1/  99  Assignment  1 

 West  Essex  Disposal  was  merged  into  Waste  Management  of  New  Jersey, 
 Inc.  1999  Assignment  1 

 USA  Waste  of  Arizona,  Inc.  was  merged  into  Waste  Management  of 
 Arizona,  Inc.  12/  30/  98  Assignment  2 

 United  Waste  Systems  of  Northern  Arizona,  Inc.  was  merged  into  Waste 
 Management  of  Arizona,  Inc.  12/  30/  98  Assignment  1 

 Commercial  Sanitation  Service,  Inc.  was  merged  into  USA  Waste  of 
 Kentucky  LLC  12/  30/  98  Assignment  1 

 The  assets  of  New  Milford  Landfill  were  contributed  to  a  subsidiary  of 
 Waste  Management  of  Connecticut,  Inc.,  which  was  subsequently  merged 
 into  New  Milford  Landfill,  LLC,  a  subsidiary  of  USA  Waste  of  Connecticut, 
 Inc. 

 12/  29/  98  Assignment  1 

 Waste  Management  of  Pinellas  County,  Inc.  was  merged  into  Waste 
 Management,  Inc.  of  Florida  12/  29/  98  Assignment  1 

 USA  Waste  of  Arkansas,  Inc.  was  merged  into  Waste  Management  of 
 Arkansas,  Inc.  12/  29/  98  Assignment  3 

 HCS  Sanitation,  Inc.  was  merged  into  Waste  Management  of  North  Dakota, 
 Inc.  12/  29/  98  Assignment  1 
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 Waste  Management  Holdings,  Inc. 
 Pro  Forma  -Related  Transactions 

 Transaction  Transaction  Date  Unauthorize  d  Action  No.  Licenses 
 Southern  Waste  Services  Inc.  was  converted  to  a  Delaware  LLC  as  part  of  a 
 1998  entity  reduction  12/  29/  98  Assignment  1 

 USA  Waste  of  Connecticut  was  merged  into  Waste  Management  of 
 Connecticut,  Inc.  12/  29/  98  Assignment  2 

 United  Waste  Systems  of  Iowa,  Inc.  merged  into  Waste  Management  of 
 Iowa,  Inc.  12/  29/  98 
 Transfer  of 
 control  1 

 Dietrich  Sanitary  Services,  Inc.  was  merged  into  Waste  Management  of 
 North  Dakota,  Inc.  12/  29/  98  Assignment  1 

 Waste  Management  of  Alabama,  Inc.  was  merged  into  Waste  Away  Group, 
 Inc.  12/  28/  98  Assignment  2 

 USA  Waste  Services  of  Alabama,  Inc.  was  merged  into  Waste  Away  Group, 
 Inc.  12/  28/  98 
 Transfer  of 
 control  1 

 West  Michigan  Disposal,  Inc.  was  merged  into  Waste  Management  of 
 Michigan,  Inc.  12/  28/  98  Assignment  4 

 USA  Waste  of  Colorado,  Inc.  was  merged  into  Waste  Management  of 
 Colorado,  Inc.  12/  24/  98  Assignment  2 

 Colorado  Waste  Services,  Inc.  was  merged  into  Waste  Management  of 
 Colorado,  Inc.  12/  24/  98  Assignment  1 

 A-  1  Transfer,  Inc.  was  merged  into  Waste  Management  of  Colorado,  Inc.  12/  24/  98  Assignment  1 
 USA  Waste  of  Delaware,  Inc.  was  merged  into  Waste  Management  of 
 Delaware,  Inc.  12/  23/  98 
 Transfer  of 
 control  3 

 Commercial  Disposal  Co.,  Inc.  was  merged  into  Waste  Management  of 
 Massachusetts,  Inc.  12/  23/  98  Assignment  2 

 United  Waste  Systems  of  New  Mexico,  Inc.  was  merged  into  Waste 
 Management  of  New  Mexico,  Inc.  12/  23/  98  Assignment  1 

 Waste  Management  Holdings,  Inc.  contributed  the  stock  of  Waste 
 Management  of  Alameda  County  Inc.  to  USA  Waste  of  California,  Inc.  12/  1/  98 
 Transfer  of 
 control  6 

 Waste  Management  of  North  America,  Inc.  contributed  the  stock  of  Waste 
 Management  of  Leon  County,  Inc.  to  Waste  Management  Inc.  of  Florida  12/  1/  98 
 Transfer  of 
 control  2 
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 Waste  Management  Holdings,  Inc. 
 Pro  Forma  -Related  Transactions 

 Transaction  Transaction  Date  Unauthorize  d  Action  No.  Licenses 
 Waste  Management  of  North  America,  Inc.  contributed  the  stock  of  Trail 
 Ridge  Landfill  Inc.  to  Waste  Management,  Inc.  of  Florida  12/  1/  98 
 Transfer  of 
 control  1 

 USA  Waste  of  Indiana  Inc.  was  merged  into  Waste  Management  of  Indiana, 
 LLC  12/  1/  98  Assignment  2 

 USA  Waste/  Waste  Management  Merger  7/  16/  98  Transfer  of  control  245 

 USA  Waste  of  Iowa,  Inc.  was  merged  into  Waste  Management  of  Iowa,  Inc.  1998  Assignment  1 
 Longview  of  Mercer  County  was  merged  into  USA  Waste  of  New  Jersey, 
 Inc.  1998  Assignment  1 

 Waste  Management  of  New  York,  Inc.  assets  were  sold  to  Waste 
 Management  of  New  York,  LLC  1998  Assignment  6 

 Waste  Management  of  Tri-  Cities  Inc.  was  merged  into  Waste  Management 
 Inc.  of  Tennessee  12/  31/  97  Assignment  1 

 Community  Refuse  Ltd.  was  merged  into  Waste  Management  Disposal 
 Services  of  Pennsylvania,  Inc.  12/  31/  97  Assignment  1 

 CWM  Chemical  Services,  Inc.  was  dissolved  and  the  assets  are  now  held  by 
 CWM  Chemical  Services,  LLC  1997  Assignment  1 

 Wheelabrator  Corporation  was  merged  into  Wheelabrator  Water 
 Technologies  Inc.  1/  1/  96  Assignment  1 

 Waste  Management  of  Indiana  Merger  Sub,  Inc.  was  merged  into  Waste 
 Management  of  Indiana  LLC  12/  31/  95  Assignment  2 

 Waste  Management  of  Indiana  Merger  Sub  was  merged  into  Chemical 
 Waste  Management  of  Indiana,  LLC  12/  31/  95  Assignment  1 

 Waste  Management  of  Indiana,  Inc.  was  merged  into  Waste  Management  of 
 Indiana  Merger  Sub,  Inc.  12/  15/  95  Assignment  3 

 Waste  Management  of  Kentucky  Inc.  was  merged  into  Waste  Management 
 of  Kentucky,  LLC  8/  7/  95  Assignment  1 

 SCA  Services  of  Indiana,  Inc.  was  merged  into  SC  Holdings,  Inc.  12/  31/  92  Assignment  1 
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 Waste  Management  Holdings,  Inc. 
 Pro  Forma  -Related  Transactions 

 Transaction  Transaction  Date  Unauthorize  d  Action  No.  Licenses 
 Waste  Management  of  Seattle,  Inc.  was  merged  into  Washington  Waste 
 Hauling  and  Recycling,  Inc.  12/  31/  92  Assignment  1 

 Waste  Management  of  Norwalk,  Inc.  was  merged  into  Waste  Management 
 of  Connecticut,  Inc.  12/  31/  91  Assignment  1 
5