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:

TOROTRAK 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 

NO

An event changing the breakdown of voting rights

NO

Other (please specify):______________

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

Allison Transmission 

Holdings, Inc.

TCG Holdings, L.L.C.

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

Allison Transmission, Inc.

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

16 March 2009

6. Date on which issuer notified:

18 March 2009

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

9%

8: Notified Details

A: Voting rights attached to shares

Allison Transmission, Inc. has acquired legal and beneficial ownership of 14,608,290 ordinary shares of 10 pence each in Torotrak plc representing 9.09% of Torotrak plc's issued ordinary share capital.

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 shares of 10 pence each

0%

0%

14,608,290

14,608,290

N/A

9.09%

N/A

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

N/A

N/A

N/A

N/A

Total (A+B)

Number of voting rights

Percentage of voting rights

14,608,290

9.09%

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

Allison Transmission, Inc. is a wholly owned subsidiary of Allison Transmission Holdings, Inc., which is majority controlled by investment funds managed by TCG Holdings, L.L.C. 

Proxy Voting: N/A

10. Name of 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:

This notification has been prepared using the total voting rights figure of 160,691,263 in existence after the completion of the subscription by Allison Transmission, Inc. for 14,608,290 ordinary shares of 10 pence each in Torotrak plc, as set out in the public announcement made by Torotrak plc on 17 March 2009.

14 Contact name:

Eric C. Scroggins, Esq.Allison Transmission, Inc.4700 W. 10th StreetIndianapolisIndiana 46222USA

15. Contact telephone name:

Tel: +317-242-7017