Relationships	Role	Relationship Start	Relationship End
Thinkorswim Group Inc.	Parent	6/11/2009	3/20/2014
Td Ameritrade Online Holdings Corp.	Subsidary	11/15/2013	3/20/2014
Tos Services, Inc.	Subsidary	6/11/2009	3/20/2014
Mytrade, Inc.	Subsidary	6/11/2009	3/20/2014
Tradewise Advisors, Inc.	Subsidary	8/2/2010	3/20/2014
Td Ameritrade Mobile, Llc	Subsidary	5/25/2010	11/15/2013
Thinkorswim Advisors, Inc.	Subsidary	6/11/2009	9/13/2011
Tos Trading Llc	Subsidary	10/1/2010	5/9/2011
Thinkorswim Technologies, Inc.	Subsidary	6/11/2009	10/1/2010
Td Ameritrade Mobile, Llc	Subsidary	6/11/2009	5/24/2010

Acquisitions & Mergers	Role	Assets	Acct Method	Type	Transaction Date
Thinkorswim Group Inc.	Buyer			Discontinued	3/21/2014
Td Ameritrade Mobile, Llc	Seller			Discontinued	11/16/2013