Holding(s) in Company

Rio Tinto PLC
19 March 2008


TR-1: Notifications of Major Interests in Shares

     
1.   Identity of the issuer or the underlying issuer of existing shares to which
     voting rights are attached:

     Rio Tinto plc
     
     
2.   Reason for the notification
    (please place an X inside the appropriate bracket/s):

     An acquisition or disposal of voting rights: (  X  )

     An acquisition or disposal of financial instruments which may result 
     in the acquisition of shares already issued to which voting rights 
     are attached: (     )
        
     An event changing the breakdown of voting rights: (     )
     
     Other (please specify) : (     )

     
3.   Full name of person(s) subject to notification obligation:

     Legal & General Group Plc (Group)
     Legal & General Investment Management Limited (LGIM)


4.   Full name of shareholder(s) (if different from 3) :

     Legal & General Assurance (Pensions Management) Limited (PMC)
     Legal & General Group Plc (L&G)


5.   Date of transaction (and date on which the threshold is crossed or reached 
     if different):

     17/03/2008


6.   Date on which issuer notified:

     18/03/2008


7.   Threshold(s) that is/are crossed or reached:

     Above 5% (Group)
     Above 5% (LGIM)


8.   Notified Details:


A:   Voting rights attached to shares


Class/type of shares if possible use                   Situation previous to the triggering transaction
ISIN CODE
                                      Number of shares                        Number of voting rights


Ord 10p                               Below 5%                                Below 5%




                                                 Resulting situation after the triggering transaction
Class/type of shares if       Number of shares          Number of voting rights               % of voting rights
possible use ISIN CODE
                                                        Direct         Indirect               Direct       Indirect


Ord 10p                       49,923,595                46,128,386     3,795,209              4.62         0.38



B: Financial Instruments

Resulting situation after the triggering transaction


Type of          Expiration date        Exercise/conversion period/ No. of voting rights that may % of voting rights
financial                               date                        be acquired (if the
instrument                                                          instrument exercised/
                                                                    converted)





Total (A+B)
Number of voting rights                % of voting rights


49,923,595                             5.00


9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable :


Legal & General Group Plc (Direct and Indirect) (Group) (49,923,595 - 5.00%
= Total Position)
Legal & General Investment Management (Holdings) Limited (LGIMH) (Direct and
Indirect)  (49,923,595 - 5.00% = Total Position )
Legal & General Investment Management Limited (Indirect) (LGIM) (49,923,595
- 5.00% = Total Position)
                   Legal & General Group Plc (Direct) (L&G) (46,128,386 - 4.62% = LGAS, LGPL & PMC)
Legal & General Investment Management (Holdings) Limited      Legal & General Insurance Holdings Limited (Direct)
(Direct) (LGIMHD) (38,854,171- 3.89%=PMC)                     (LGIH)
Legal & General Assurance (Pensions Management) Limited       Legal & General Assurance Society Limited  (LGAS & LGPL)
(PMC) (38,854,171 -3.89%=PMC)
                                                              Legal & General Pensions Limited (Direct)  (LGPL)



Proxy Voting:


10.  Name of proxy holder:

     N/A


11.  Number of voting rights proxy holder will cease to hold:

     N/A


12.  Date on which proxy holder will cease to hold voting rights:

     N/A


13.  Additional information:

     Notification using the total voting rights figure of 997,776,034


14.  Contact name:

     Matthew Whyte


15.  Contact telephone number:

     [phone]



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