Exhibit 21

Subsidiaries

	Company Name
1	1371 Preferred Inc.
2	A I M Capital Management Company Limited
3	AIM GP Canada Inc
4	AMVESCAP Limited
5	Anglo-Scottish Amalgamated Corporation Limited
6	AT Planning Services, Inc.
7	Atlantic Trust Group, Inc.
8	Atlantic Wealth Holdings Limited
9	Atlantic Wealth Management International Limited
10	Atlantic Wealth Management Limited
11	Berry Starquest Limited
12	C M Investment Nominees Limited
13	Chancellor Citiventure 96 Partner (Cayman) Ltd
14	City Merchants High Yield Trust plc
15	City Merchants High Yield Trust plc ( In liquidation)
16	Coff Associates (Cayman) Limited
17	CPCO Associates (Cayman) Limited
18	Elliot Associates Limited
19	ELP Estates Limited
20	ELP Evesham Limited
21	ELP Properties Limited
22	ELP Residential Limited
23	ELP Sales Limited
24	ELP Trading Limited
25	Finemost Limited
26	Fund Management Company
27	GT Japan Investment Trust plc (In Liquidation)
28	Huaneng Capital Services Corporation Ltd.
29	Huaneng Invesco WLR Investment Consulting Company Ltd.
30	HVH Immobilien- und Beteiligungs GmbH
31	HVH USA, Inc.
32	IAS Asset I LLC
33	IAS Operating Partnership LP
34	IMC Investments I LLC
35	Invesco Perpetual UK Smaller Companies Investment Trust plc
36	INVESCO (B.V.I.) NOMINEES LIMITED
37	INVESCO (Cayman Islands) Ltd.
38	Invesco A I M Management Company Limited
39	Invesco Administration Services Limited
40	Invesco Advisers, Inc.
41	Invesco Aim Advisors, Inc. (Merged 12/31/2009)

42	Invesco Aim Capital Management, Inc. (Merged 12/31/2009)
43	Invesco Aim Distributors, Inc.
44	Invesco Aim Global Holdings, Inc.
45	Invesco Aim Insurance Agency, Inc.
46	Invesco Aim Investment Services, Inc.
47	Invesco Aim Management Group, Inc.
48	Invesco Aim Private Asset Management, Inc. (Merged 12/31/2009)
49	Invesco Aim Retirement Services, Inc.
50	Invesco Asia Real Estate Feeder Fund I, Ltd
51	Invesco Asia Trust plc
52	INVESCO Asset Management (Bermuda) Ltd
53	Invesco Asset Management (Japan) Limited
54	Invesco Asset Management (Schweiz) AG
55	Invesco Asset Management Asia Limited
56	Invesco Asset Management Australia (Holdings) Ltd
57	Invesco Asset Management Deutschland GmbH
58	INVESCO Asset Management Ireland Holdings Limited
59	INVESCO Asset Management Ireland Limited
60	Invesco Asset Management Limited
61	Invesco Asset Management Österreich GmbH
62	Invesco Asset Management Pacific Limited
63	Invesco Asset Management SA
64	Invesco Asset Management Singapore Ltd
65	Invesco Australia Limited
66	Invesco Canada Holdings Inc.
67	INVESCO CE SA
68	Invesco CE Services SA
69	INVESCO Continental Europe Holdings SA
70	INVESCO Continental Europe Service Centre SA
71	INVESCO Continental Smaller Companies Trust plc ( In liquidation )
72	INVESCO Convertible Trust plc (In Liquidation)
73	INVESCO Distributors, Inc.
74	Invesco English and International Trust plc
75	Invesco Fund Managers Limited
76	INVESCO Funds Group, Inc.
77	INVESCO Geared Opportunities Trust plc (In Liquidation)
78	INVESCO Global Asset Management (Bermuda) Limited
79	Invesco Global Asset Management (N.A.), Inc.
80	INVESCO Global Asset Management Limited
81	Invesco Global Investment Funds Limited
82	Invesco Great Wall Fund Management Company Limited
83	Invesco Group Limited
84	Invesco Group Services, Inc.
85	Invesco GT Asset Management PLC
86	Invesco Holding Company Limited

87	INVESCO Holding Germany Ltd & Co OHG
88	INVESCO Holland B.V.
89	Invesco Hong Kong Limited
90	Invesco Hungary LLC
91	Invesco Inc.
92	Invesco Inc. (amalgamated Jan 1/09 with IVZ Callco Inc.)
93	Invesco Income Growth Trust plc
94	INVESCO International (Southern Africa) Limited
95	Invesco International Holdings Limited
96	INVESCO International Limited
97	INVESCO International Nominees Limited
98	Invesco Investments (Bermuda) Ltd.
99	INVESCO ITALIA Societa di gestione del risparmio - S.p.A. (in liquidation 1.6.06)
100	INVESCO Japan Discovery Trust plc
101	Invesco Kapitalanlagegesellschaft mbH
102	Invesco Leveraged High Yield Fund Limited
103	Invesco Ltd.
104	INVESCO Management GmbH
105	INVESCO Management S.A.
106	Invesco Mortgage Capital Inc.
107	INVESCO National Trust Company
108	Invesco North American Group Limited
109	Invesco North American Holdings, Inc.
110	Invesco Pacific Group Limited
111	Invesco Pacific Holdings Limited
112	INVESCO Pacific Partner Ltd
113	Invesco Pension Trustees Limited
114	Invesco Perpetual AiM VCT plc
115	Invesco Perpetual European Absolute Return Trust plc
116	Invesco Perpetual Life Limited
117	Invesco Perpetual Recovery Trust 2011 plc
118	Invesco Perpetual Select Trust Plc
119	INVESCO Polska Spolka z organiczona odpowiedzialnoscia (INVESCO Polska Sp.z.o.o.)
120	INVESCO Powershares Capital Management Ireland Limited
121	Invesco PowerShares Capital Management LLC
122	INVESCO Private Capital Investments, Inc.
123	INVESCO Private Capital Verwaltung GMBH (in liquidation 25.4.07)
124	Invesco Private Capital, Inc.
125	Invesco Private Capital, Inc.
126	INVESCO Properties Limited
127	Invesco Property Income Trust Limited
128	INVESCO Real Estate Germany LLC
129	Invesco Real Estate Germany, L.P.
130	INVESCO Real Estate GmbH
131	Invesco Real Estate Limited

132	Invesco Real Estate Management S.a.r.l.
133	INVESCO Real Estate s.r.o.
134	Invesco Realty Asia I, Ltd
135	INVESCO Realty, Inc.
136	INVESCO Recovery Trust 2005 plc ( In Liquidation)
137	Invesco Savings Scheme (Nominees) Limited
138	Invesco Senior Secured Management, Inc.
139	INVESCO Services Ltd OHG
140	Invesco Taiwan Limited
141	INVESCO Tokyo Trust plc (In Liquidation)
142	Invesco Trimark Dealer Inc./Courtage Invesco Trimark Inc.
143	Invesco Trimark Ltd./Invesco Trimark Ltée
144	Invesco UK Holdings PLC
145	Invesco UK Limited
146	Invesco WLR Limited
147	Invesco WLR Private Equity Investment Management Limited
148	Investment Fund Administrators Limited
149	IPE Ross Management Ltd
150	IRE (Cayman) Limited
151	IRE (China) Limited
152	IRE (Hong Kong) Limited
153	IRE Japan, Ltd
154	IST 123 LTD
155	IVZ Callco Inc. (amalgamated with Invesco Inc. Jan 1/09) (continued into Canada Dec 21, 2006 and continued back into Nova Scotia Dec 27, 2006)
156	IVZ Finance Limited
157	IVZ Immobilien Verwaltungs GmbH
158	IVZ, Inc.
159	James Bryant Limited
160	Jermyn Investment Co Ltd
161	Jermyn Investment Company Holdings Limited
162	Jermyn Investment Properties Limited
163	Keystone Investment Trust plc
164	PCM Properties LLC
165	Perpetual Holdings, Inc.
166	Perpetual Income and Growth Investment Trust plc
167	Perpetual Japanese Investment Trust plc
168	Perpetual plc
169	Perpetual Portfolio Management Limited
170	Perpetual Unit Trust Management (Nominees) Limited
171	POCZTYLION — ARKA POWSZECHNE TOWARZYSTWO EMERYTALNE SPOLKA AKCYJNA
172	R&H Fund Services (Jersey) Ltd
173	Real Estate Opportunities Limited
174	Ross CG Management LP
175	Ross Expansion Associates LP
176	Sermon Lane Nominees Limited

177	Sovereign G/.P. Holdings Inc
178	Stein Roe Investment Counsel, Inc.
179	Taiyo Fund Management Co. LLC
180	The Cayenne Trust plc
181	The Edinburgh Investment Trust plc
182	V.V. Edinburgh R.W. G.P. Limited (in liquidation)
183	V.V. Epsom G.P. Limited (in liquidation)
184	V.V. General Partner Limited (in liquidation)
185	V.V. Glasgow (No.1) G.P. Limited (in liquidation)
186	V.V. Milton Keynes G.P. Limited (in liquidation)
187	V.V. Nominees Limited (in liquidation)
188	V.V. Northampton (No.2) G.P. Limited (in liquidation)
189	V.V. Northampton G.P. Limited (in liquidation)
190	V.V. Reading G.P. Limited (in liquidation)
191	V.V. Real Property G.P. Limited (in liquidation)
192	V.V. Real Property Nominees Limited (in liquidation)
193	V.V. Redhill G.P. Limited (in liquidation)
194	V.V. Slough G.P. Limited (in liquidation)
195	V.V. Soho G.P. Limited (in liquidation)
196	V.V. Stockton G.P. Limited (in liquidation)
197	V.V. Watford G.P. Limited (in liquidation)
198	VV CR 1s.r.o.
199	VV Hungaria 1Kft.
200	VV Immobilien Verwaltungs GmbH
201	VV Immobilien Verwaltungs und Beteiligungs GmbH
202	VV Poland 1 sp.z.o.o.
203	VV USA LLC
204	W.L. Ross & Co, LLC
205	W.L. Ross & Co. (India) LLC
206	W.L. Ross M & T, LLC
207	W.L.Ross & Co., LLC
208	WL Ross (India) Private Limited
209	WL Ross DIP Management LLC
210	WLR China Energy Associates Ltd
211	WLR Euro Wagon Management Ltd