Notice of Major Interest in SharesOctober 27th, 2011

For filings with the FSA include the annex
For filings with issuer exclude the annex
TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARESi
1. Identity of the issuer or the underlying issuer
of existing shares to which voting rights are
attached:
ii
Gulfsands Petroleum
2. Reason for the notification (please tick the appropriate box or boxes):
An acquisition or disposal of voting rights
An acquisition or disposal of qualifying financial instruments which may result in the acquisition of shares already issued to which voting rights are attached
An acquisition or disposal of instruments with similar economic effect to qualifying financial instruments
An event changing the breakdown of voting rights Yes
Other (please specify): Change of share capital and voting rights after buyback program
3. Full name of person(s) subject to the
notification obligation:
iii
Vanguard International Explorer Fund
4. Full name of shareholder(s)
(if different from 3.):iv
5. Date of the transaction and date on
which the threshold is crossed or
reached:
v
25 October 2011
6. Date on which issuer notified:  26 October 2011
7. Threshold(s) that is/are crossed or
reached:
vi, vii
3%
8. Notified details:
A: Voting rights attached to shares viii, ix
Class/type of
shares


if possible using
the ISIN CODE
Situation previous
to the triggering
transaction
Resulting situation after the triggering transaction
Number
of
Shares
Number
of
Voting
Rights
Number
of shares
Number of voting
rights
% of voting rights x
 Direct Direct xi Indirect xii Direct Indirect
GB00B06VGC01 3,581,812 3,581,812 3,581,812 3,581,812 3.03%
B: Qualifying Financial Instruments
Resulting situation after the triggering transaction
Type of financial
instrument
Expiration
date
xiii
Exercise/
Conversion Period
xiv
Number of voting
rights that may be
acquired if the
instrument is
exercised/ converted.
% of voting
rights
N/A
C: Financial Instruments with similar economic effect to Qualifying Financial Instruments xv, xvi
Resulting situation after the triggering transaction
Type of financial
instrument
Exercise price Expiration date xvii Exercise/
Conversion period
xviii
Number of voting rights instrument refers to % of voting rights xix, xx
Nominal Delta
Total (A+B+C)
Number of voting rights Percentage of voting rights
3,581,812 3.03%
9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable:
xxi
Proxy Voting:
10. Name of the proxy holder: N/A
11. Number of voting rights proxy holder will cease
to hold:
12. Date on which proxy holder will cease to hold
voting rights:
13. Additional information:
14. Contact name: Vanguard International Explorer Fund c/o The Vanguard Group Inc, Attn: Nick Gould
15. Contact telephone number: (610) 669-6296