Citigroup GM UK Eqty - EPT Disclosure Amendment

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Tue Jan 22, 2008 10:17am EST

RNS Number:3065M
Citigroup Global Markets UK EqtyLtd
22 January 2008


                 DEALINGS BY CONNECTED EXEMPT PRINCIPAL TRADERS
                      WITH RECOGNISED INTERMEDIARY STATUS
                      DEALING IN A CLIENT-SERVING CAPACITY
                      (Rule 38.5(a) of the Takeover Code)

Amendment: Section 2(a) Additional securities purchased and sold

1.         KEY INFORMATION

Name of exempt principal trader                Citigroup Global Markets UK Equity Limited

Company dealt in                               Rio Tinto Plc

Class of relevant security to which the        Ord/Equity
dealings being disclosed relate (Note 1)

Date of dealing                                17 January 2008


2.         DEALINGS (Note 2)

(a)        Purchases and sales

Total number of securities purchased   Highest price paid (Note 3)           Lowest price paid (Note 3)

45,670                                 GBP 47.0300                           GBP 44.7900


Total number of securities sold        Highest price received (Note 3)       Lowest price received (Note 3)

191,789                                GBP 47.3000                           GBP 44.3500


(b)        Derivatives transactions (other than options)

Product name,         Long/short (Note 4)       Number of securities (Note 5)        Price per unit (Note 3)
e.g. CFD






(c)        Options transactions in respect of existing securities

(i)         Writing, selling, purchasing or varying


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




(ii)        Exercising


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







3.         OTHER INFORMATION



Agreements, arrangements or understandings relating to options or derivatives




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.



Date of disclosure                                                22 January 2008

Contact name                                                      Selina Campbell

Telephone number                                                  02890 409538

Name of offeree/offeror with which connected                      BHP Billiton Plc

Nature of connection (Note 6)                                     Financial Advisor



Notes

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












                      This information is provided by RNS
            The company news service from the London Stock Exchange
END

EMMILFLELEIFFIT
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