| TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARESi | 
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| 1. Identity of the issuer or the underlying issuer | Hostelworld Group PLC | ||||
| 2 Reason for the notification (please tick the appropriate box or boxes): | |||||
| An acquisition or disposal of voting rights | X | ||||
| 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): |  |  | |||
| 3. Full name of person(s) subject to the | -I.G. Investment Management, Ltd. -Investors Group Inc. -IGM Financial Inc. 
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| 4. Full name of shareholder(s)  |  | ||||
| 5. Date of the transaction and date on | June 10, 2016 
 | ||||
| 6. Date on which issuer notified: | July 12, 2016 
 | ||||
| 7. Threshold(s) that is/are crossed or | 1% change | ||||
| 8. Notified details: | ||||||||||||||||
| A: Voting rights attached to shares viii, ix | ||||||||||||||||
| Class/type of 
 | Situation previous | Resulting situation after the triggering transaction | ||||||||||||||
| Number | Number | Number | Number of voting | % of voting rights x | ||||||||||||
| Direct | Direct xi | Indirect xii | Direct | Indirect | ||||||||||||
| GB0001826634 |  |  | 2,972,679 |  |  |  | 
 3.110% | |||||||||
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| B: Qualifying Financial Instruments | ||||||||||||||||
| Resulting situation after the triggering transaction | ||||||||||||||||
| Type of financial | Expiration | Exercise/ | Number of voting | % of voting | ||||||||||||
|  |  |  |  |  | ||||||||||||
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| C: Financial Instruments with similar economic effect to Qualifying Financial Instruments xv, xvi | ||||||||||||||||
| Resulting situation after the triggering transaction | ||||||||||||||||
| Type of financial | Exercise price | Expiration date xvii | Exercise/ | Number of voting rights instrument refers to 
 | % of voting rights xix, xx 
 | |||||||||||
|  |  |  |  | 
 
 | Nominal | Delta | ||||||||||
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| Total (A+B+C) | ||||||||||||||||
| Number of voting rights | Percentage of voting rights | |||||||||||||||
| 2,972,679 | 3.110% | |||||||||||||||
| 9. Chain of controlled undertakings through which the voting rights and/or the | ||
| 
 The voting rights (3.110%) are held by I.G. Investment Management, Ltd. (3.110%), acting as manager and portfolio advisor, and I.G. International Management Limited (3.110%) acting as portfolio advisor, of various mutual funds, as a result of Regulation 15(1)(h). Investors Group Inc. is a 100% shareholder in both I.G. Investment Management, Ltd. and I.G. International Management Limited. IGM Financial Inc. is a 100% shareholder in Investors Group Inc. All of the above (except I.G. Investment Management, Ltd. and I.G. International Management Limited) have an indirect holding of 3.110% as a result of Regulation 15(1)(e). 
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| Proxy Voting: | ||
| 10. Name of the proxy holder: |  | |
| 11. Number of voting rights proxy holder will cease |  | |
| 12. Date on which proxy holder will cease to hold |  | |
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| 
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| 14. Contact name: | Jean Carroll, I.G. International Management Limited (investment advisor to two of the three mutual funds that hold the shares that are the subject of this notice) 
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| 15. Contact telephone number: | +353-1-449 4002 | |
| Note: Annex should only be submitted to the FCA not the issuer | |
| Annex: Notification of major interests in share | |
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| A: Identity of the persons or legal entity subject to the notification obligation | |
| Full name (including legal form of legal entities) 
 | I.G. Investment Management, Ltd. | 
| Contact address (registered office for legal entities) 
 | 447 Portage Avenue Winnipeg, Manitoba Canada R3B 3H5 | 
| Phone number & email 
 | (204) 956-8224 Brad.Kirk@investorsgroup.com | 
| Other useful information (at least legal representative for legal persons) 
 |  | 
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| B: Identity of the notifier, if applicable | |
| Full name 
 | I.G. International Management Limited | 
| Contact address 
 | Brooklawn House Shelbourne Road Ballsbridge Dublin 4. Ireland | 
| Phone number & email 
 | +353-1-449 4002 | 
| Other useful information (e.g. functional relationship with the person or legal entity subject to the notification obligation) | |
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| C: Additional information | |
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| For notes on how to complete form TR-1 please see the FCA website. | |