AMVESCAP Announces April 30, 2006 Assets under Management

AMVESCAP (NYSE:AVZ) (LSE:AVZ) (TSX:AVZ) today reportedpreliminary month-end assets under management of $419.0 billion.
Ending Assets Under Management
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(In billions) Apr 30, Mar 31, Feb 28, Jan 31,
2006(a) 2006 2006 2006
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Long-Term $357.5 $351.5 $346.1 $345.3
Total Money Market (b) $61.5 $59.4 $58.3 $58.2
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Total $419.0 $410.9 $404.4 $403.5
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(a) Preliminary - subject to adjustment.

(b) Total Money Market assets include both retail and institutional money market assets. Previously, retail money market assets were shown in the Long-Term category. Prior months have been adjusted to reflect this change.

AMVESCAP is a leading independent global investment manager,dedicated to helping people worldwide build their financial security.Operating under the AIM, AIM Trimark, INVESCO, Invesco Perpetual andAtlantic Trust brands, AMVESCAP strives to deliver outstandingproducts and services through a comprehensive array of enduringinvestment solutions for our retail, institutional and private wealthmanagement clients around the world. The company is listed on theLondon, New York and Toronto stock exchanges with the symbol "AVZ."Additional information is available at www.amvescap.com.