Graeme Proudfoot

Van Kampen Trust for Insured Municipals is a high level of current income exempt from federal income tax, consistent with preservation of capital. The trust portfolio is a diversified portfolio where, under normal market conditions, primarily all of the trust's assets will be invested in municipal securities that are covered by insurance with respect to timely payment of principal and interest. Van Kampen Trust for Insured Municipals was founded on January 24, 922, and is headquartered in New York, NY.

Invesco Asset Management Ltd. (IAML) is the wholly-owned Great Britain-based investment management subsidiary of Invesco UK Ltd., itself a subsidiary of Invesco Ltd. (NYSE: IVZ) in the US. The firm was founded in 1969 as Cavalier Securities Ltd. and became Invesco Asset Management Ltd. in 1993. They are headquartered in Henley-on-Thames, Oxfordshire. IAML provides investment management services on both a discretionary and non-discretionary basis to pension and profit-sharing plans, educational institutions, investment companies, insurance companies, individuals and holding companies. The firm also acts as investment advisor for a number of mutual funds on a sub-advised basis.

Blackrock Income & Growth Investment Trust Plc is a closed-end investment fund and investment trust., which engages in the provision capital and income over the long term through investment in a portfolio of listed equities. The company was founded on December 14, 2001 and is headquartered in London, the United Kingdom.

Part of Invesco Ltd., Invesco GT Asset Management Ltd. is a British company that provides investment management services internationally. The private company is based in Henley-On-Thames, UK. The company was founded in 1969. Invesco GT Asset Management was acquired by Invesco Ltd. on June 02, 1998 for $1,291.86 million.

INVESCO UK Ltd. operates as a business credit institution. The company is headquartered in London, UK.

Invesco Fund Managers Ltd. is an investment management firm headquartered in Henley-on-Thames, UK. The firm was founded in 1967 and is owned by Invesco Ltd. (NYSE: IVZ) in the US. Invesco Fund Managers offers investment solutions to various types of clients.

Part of Invesco Ltd., Invesco International Holdings Ltd. is an investment holding British company. The private company is based in Henley-On-Thames, UK. Founded in 1982, it functions as an investment holding company.

Part of Invesco Ltd., Invesco UK Holdings Ltd. functions as an investment holding private company. The company is based in Henley-On-Thames, UK.

Part of Invesco Ltd., Invesco Pacific Group Ltd. provides investment management services. The private company is based in Henley-On-Thames, UK and was founded in 1994.