Holding(s) in Company

For filings with the FSA include the annex

For filings with issuer exclude the annex 

TR-1: Notifications of Major Interests in Shares

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

 Aggreko plc

2. Reason for notification (yes/no)

An acquisition or disposal of voting rights

Yes

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 (please specify):______________

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

Baillie Gifford & Co

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

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

13-Jan-09

6. Date on which issuer notified:

14-Jan-09

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

5%

8: Notified Details

A: Voting rights attached to shares

Class/type of shares

If possible use 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

Percentage of voting rights

Direct

Indirect

Direct

Indirect

Ordinary

Share

GB0001478998

16373591

6.02

15939356

15939356

5.86

B: Financial Instruments

Resulting situation after the triggering transaction

Type of financial instrument

Expiration date

Exercise/ conversion period/date 

No. of voting rights that may be acquired (if the instrument exercised/converted)

Percentage of voting rights

N/A

Total (A+B)

Number of voting rights

Percentage of voting rights

15939356

5.86

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

In the narrative below, the figures in [ ] indicate the amount of voting rights and the percentage held by each controlled undertaking where relevant.

Baillie Gifford & Co, a discretionary investment manager, is the parent undertaking of an investment management group.

 Its wholly-owned subsidiary undertaking Baillie Gifford Overseas Limited [813362; 0.3%] is also a discretionary investment manager.

Its wholly-owned subsidiary undertaking Baillie Gifford & Co Limited [374106; 0.1%] is an OEIC Authorised Corporate Director and Unit Trust Manager which has delegated its discretionary investment management role to Baillie Gifford & Co.

Its wholly-owned subsidiary undertaking Baillie Gifford Life Limited [1234515; 0.5%] is a life assurance company which procures discretionary investment management services from Baillie Gifford & Co in respect of its own account shareholdings.

Proxy Voting:

10. Name of 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:

Peter Kennerley

15. Contact telephone number:

0141 225 5900