Holding(s) in Company

Scottish Mortgage Inv Tst PLC
15 March 2007





TR-1i: NOTIFICATION OF MAJOR INTERESTS IN SHARES



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

...Scottish Mortgage Investment Trust Plc...........



2. Reason for the notification (please state Yes/No):

.................



An acquisition or disposal of voting rights:

... ..............



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 - Yes

Initial holding on implementation of Transparency Directive





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

...D. C Thomson & Company Limited...............





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

......n/a............



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

...n/a..............



6. Date on which issuer notified:

...15 March 2007..............



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

...5%..............



8. Notified details:

.................







A: Voting rights attached to shares



Situation previous to the Triggering transaction (vi)


Class/type of shares if possible  Number of shares                   Number of voting Rights (viii)
using the ISIN CODE
n/a                               n/a                                n/a







Resulting situation after the triggering transaction (vii)


Class/type of shares if      Number of shares         Number of voting rights (ix)      % of voting rights
possible using the ISIN CODE
                             Direct                   Direct (x)   Indirect (xi)        Direct      Indirect


Ord 25p                      14300000                 14300000                          5.068









B: Financial Instruments

Resulting situation after the triggering transaction (xii)


Type of         Expiration Date       Exercise/Conversion       Number of voting rights     % of voting rights
financial       (xiii)                Period/ Date (xiv)        that may be acquired if the
instrument                                                      instrument is exercised/
                                                                converted.


n/a





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


143,000,000                    5.068





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

........................................





Proxy Voting:



10. Name of the 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 282,161,176. First
notification under DTR Sourcebook.

8,700,000 held by D.C. Thomson & Co Ltd

5,600,000 held by John Leng & Co Ltd (a wholly owned subsidiary of D.C. Thomson
& Co. Ltd.)



14. Contact name:

...Lynn Mathewson..............



15. Contact telephone number:

...0131 275 3185..............






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