REG-ABN AMRO BANK N.V. EPT Disclosure

LONDON--(Business Wire)--

FORM 38.5(a)

DEALINGS BY CONNECTED EXEMPT PRINCIPAL TRADERS

WITH RECOGNISED INTERMEDIARY STATUS

DEALING IN A CLIENT-SERVING CAPACITY

(Rule 38.5(a) of the Takeover Code)

1. KEY INFORMATION

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Name of exempt principal trader ABN AMRO BANK N.V. London Branch (Subsidiary of RFS Holding
N.V.)
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Company dealt in Detica Group Plc
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Class of relevant security to which the ORD GBP 0.02
dealings being disclosed relate (Note 1)
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Date of dealing 21 July 2008
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2. DEALINGS (Note 2)

(a) Purchases and sales

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Total number of securities Highest price paid (Note 3) Lowest price paid (Note 3)
purchased
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241,194 4.0300 GBP 3.5000 GBP
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Total number of securities sold Highest price received (Note 3) Lowest price received (Note 3)
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238,397 4.0425 GBP 3.6700 GBP
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(b) Derivatives transactions (other than options)

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Product name, Long/short (Note 4) Number of securities (Note 5) Price per unit (Note 3)
e.g. CFD
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(c) Options transactions in respect of existing securities

(i) Writing, selling, purchasing or varying

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Product name, Writing, Number of Exercise Type, e.g. Expiry Option money
e.g. call option selling, securities to price American, date paid/received
purchasing, which the option European per unit (Note
varying etc. relates (Note 5) etc. 3)
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(ii) Exercising

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Product name, e.g. call option Number of securities Exercise price per unit (Note 3)
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3. OTHER INFORMATION

Agreements, arrangements or understandings relating to options or derivatives

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Full details of any agreement, arrangement or understanding between the person disclosing and any other
person relating to the voting rights of any relevant securities under any option referred to on this
form or relating to the voting rights or future acquisition or disposal of any relevant securities to
which any derivative referred to on this form is referenced. If none, this should be stated.
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Date of disclosure 22 July 2008
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Contact name Fraser Wyeth
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Telephone number (020) 7678 0480
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Name of offeree/offeror with which connected Detica Group Plc
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Nature of connection (Note 6) Corporate Broker/Financial Advisor
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Notes

The Notes on Form 38.5(a) can be viewed on the Takeover Panel's website at
www.thetakeoverpanel.org.uk

ABN AMRO BANK N.V.

Copyright Business Wire 2008