Thomas Cook Regulatory News (TCG)

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: Thomas Cook Group plc

2. Reason for the notification: An acquisition or disposal of voting rights

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

The Capital Group Companies, Inc.

4. Full name of shareholder(s):

Capital Guardian Trust Company

Capital International Limited

Capital International Sarl

5. Date of the transaction (and date on which the threshold is crossed or reached if different):  13 June 2013

6. Date on which issuer notified: 17 June 2013

7. Threshold(s) that is/are crossed or reached: Above 3%

8. Notified details:

A: Voting rights attached to shares

Class/type of shares: GB00B1VYCH82 (ORD EUR 0.01)

Situation previous to the Triggering transaction

§ Number of shares: 30,059,349

§ Number of voting rights: 30,059,349

Resulting situation after the triggering transaction

§ Number of shares direct: N/A

§ Number of voting rights direct: N/A

§ Number of voting rights indirect: 30,762,815

§ Percentage of voting rights direct: N/A

§ Percentage of voting rights indirect: 3.0084%

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

§ Type of financial instrument: N/A

§ Expiration Date: N/A

§ Exercise/Conversion period: N/A

§ Number of voting rights that may be acquired if the instrument is exercised/ converted: N/A

§ Percentage of voting rights: N/A

C: Financial Instruments with similar economic effect to Qualifying Financial Instruments

Resulting situation after the triggering transaction

§ Type of financial instrument: NIL Paid Rights

§ Exercise Price: 0.76 - GBP

§ Expiration Date: 19 June 2013

§ Exercise/Conversion period: N/A

§ Number of voting rights instrument refers to: 8,722,460

§ Percentage of voting rights Nominal: 0.8530%

§ Percentage of voting rights Delta: N/A

Total (A+B+C) Number of voting rights: 39,485,275

Percentage of voting rights: 3.8614%

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

Capital Guardian Trust Company - 37,580,995

Capital International Limited - 792,520

Capital International Sarl - 1,111,760

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:

14. Contact name: Chris Aquino

15. Contact telephone number: 001 213 615 0487

Name of authorised company official responsible for making this notification:

Derek Woodward

Group Company Secretary

Tel: +44 (0) 207 557 6415