TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES
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1. Identity of the issuer or the underlying issuer
of existing shares to which voting rights are                                  RSA Insurance Group plc
attached:
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2 Reason for the notification (please tick the appropriate box or boxes):
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An acquisition or disposal of voting rights                                                      YES
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An acquisition or disposal of financial instruments which may result in the                      NO
acquisition of shares already issues to which voting rights are attached
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An event changing the breakdown of voting rights                                                 NO
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Other (please         Initial disclosure under the Financial Services Authority's Disclosure     NO
 specify):             Transparency Rules
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3. Full name of person(s) subject to the                                 Standard Life Investments Ltd
notification obligation:
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4. Full name of shareholder(s) (if different                                          Vidacos Nominees
from 3.):
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5. Date of the transaction and date on
which the threshold is crossed or                                                       9 October 2008
reached:
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6. Date on which issuer notified:                                                      10 October 2008
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7. Threshold(s) that is/are crossed or
reached:                                                                                            5%
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8. Notified details:
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A: Voting rights attached to shares
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Class/type of      Situation previous      Resulting situation after the triggering transaction
shares             to the Triggering
                   transaction
if possible using  -----------------------------------------------------------------------------------
the ISIN CODE      Number      Number      Number      Number of voting        % of voting rights
                   of          of          of shares   rights
                   Shares      Voting      -----------------------------------------------------------
                               Rights                  Direct      Indirect    Direct    Indirect
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   GB0006616899    163,517,401 163,517,401 166,618,647 111,602,954  55,015,693   3.364%     1.659%
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B: Financial Instruments
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Resulting situation after the triggering transaction
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Type of financial       Expiration         Exercise/      Number of voting          % of voting
instrument              date                Conversion    rights that may be        rights
                                            Period/ Date  acquired if the
                                                          instrument is
                                                          exercised/ converted.
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Total (A+B)
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Number of voting rights                            % of voting rights
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166,618,647                                        5.023%
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9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable:
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Standard Life Investments Limited


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Proxy Voting:
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10. Name of the proxy holder:                                                                      N/A
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11. Number of voting rights proxy holder will cease
to hold:                                                                                           N/A
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12. Date on which proxy holder will cease to hold
voting rights:                                                                                     N/A
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 13. Additional information:
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14. Contact name:                                                                       Julia Possener
                                                                        Deputy Group Company Secretary
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15. Contact telephone number:                                                            0207 111 7000
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