Holding(s) in Company

Kier Group PLC
04 April 2007



TR-1(i): NOTIFICATION OF MAJOR INTERESTS IN SHARES

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

KIER GROUP PLC

2. Reason for the notification (please place an X inside the appropriate 
bracket/s):

An acquisition or disposal of voting rights: (X)

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

LEHMAN BROTHERS INTERNATIONAL (EUROPE)

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

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

30-MAR-2007

6. Date on which issuer notified:

04-APR-2007

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

7% TO 8%

8. Notified details:

A: Voting rights attached to shares

Class/type of shares if possible        Situation previous to the
using the ISIN CODE                    Triggering transaction (vi)
                                   Number of    Number of voting
                                   shares       Rights (viii)

GB0004915632                       2,767,672    2,767,672

Resulting situation after the triggering transaction (vii)

Class/type of shares Number of shares  Number of voting rights    % of voting rights
if possible using                      (ix)
the ISIN CODE
                     Direct            Direct (x) Indirect (xi)   Direct    Indirect

GB0004915632         3,063,350         3,063,350  0               8.39%     0

B: Financial Instruments
Resulting situation after the triggering transaction (xii)

Type of     Expiration Date  Exercise/Conversion Number of voting     % of voting
financial   (xiii)           Period/ Date (xiv)  rights that may be   rights
instrument                                       acquired if the
                                                 instrument is
                                                 exercised/
                                                 converted.

N/A

Total (A+B)
Number of voting       % of voting
rights                 rights

3,063,350              8.39%

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

N/A

13. Additional information:

Total issued capital (and therefore total number of voting rights) at
04-APR-2007 is 36,492,343 ordinary shares.

14. Contact name:

DEBORAH HAMILTON
KIER GROUP PLC
TEMPSFORD HALL
SANDY, BEDS SG19 2BD

15. Contact telephone number:
01767 640-111



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