TR-1: Notification of Major Interests in Shares
1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached: Tethys Petroleum Limited (TPL)
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
Other (please specify): Listing on the London Stock Exchange
3. Full name of person(s) subject to the notification obligation:
Capital Research and Management Company
4. Full name of shareholder(s) (if different from 3.):
5. Date of the transaction and date on which the threshold is crossed or reached:
25 July 2011
6. Date on which the issuer notified:
26 July 2011
7. Threshold(s) that is/are crossed or reached:
Above 5%
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
shares to the triggering the triggering transaction
transaction
Ordinary
KYG876361091
if possible using --------------------------------------------------------
the ISIN CODE
Number Number Number Number % of voting
of of of shares of voting rights
Shares Voting rights
Rights -------------------------------------------
Direct Indirect Direct Indirect Direct Indirect
25,973,100 25,973,100 25,973,100 25,973,100 9.9655%
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B: Qualifying Financial Instruments
Resulting situation after the triggering transaction
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Type of Expiration Exercise/ Number of voting % of voting
financial date Conversion rights that may be rights
instrument Period acquired if the
instrument is
exercised/converted
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N/A N/A N/A N/A N/A
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C: Financial Instruments with similar economic effect to Qualifying Financial Instruments
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Resulting situation after the triggering transaction
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Type of Exercise Expiration Exercise/ Number of % of voting
financial price date Conversion voting rights rights
Instrument period instrument
refers to
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N/A N/A N/A N/A N/A Nominal Delta
N/A N/A
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Total (A+B+C)
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Number of voting rights Percentage of voting rights
25,973,100 9.9655%
9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable:
Proxy Voting: N/A
10. Name of the proxy holder:
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:
N/A
14. Contact Name:
15. Contact telephone number: