AMVESCAP PLC, the financial services company headquartered in London, has fired Arthur Andersen as the independent auditor for the $392 billion corporation, effective April 27. AMVESCAP is the parent company to both AIM Management of Houston and INVESCO Funds of Denver.

In a regulatory filing made on March 21, AMVESCAP disclosed that Andersen would not be seeking reappointment as auditor for the firm at AMVESCAP's annual meeting of shareholders on April 26. But the filing did not disclose the reasons for the two firms' parting of ways.

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