Holding(s) in Company

1

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

Morgan Sindall plc

2

Reason for the notification:

A disposal of voting rights

3

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

Aviva plc & its subsidiaries

4

Full name of shareholders(s):

Registered holder:

BNY Norwich Union Nominees Limited

Chase GA Group Nominees Limited

Chase Nominees Limited

CUIM Nominee Limited

* denotes direct interest

Chase Nominees Limited

Vidacos Nominees Limited

938,663*

3,154,179*

249,453*

770,100*

167,133

802,760

5

Date of the transaction and date on which the threshold is crossed or reached:

29 July 2008

6

Date on which issuer notified:

31 July 2008

7

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

12% to 11% Change at Direct Interest level

8

Notified details:

A: Voting rights attached to shares

Class/type of shares If possible using the ISIN code

Situation previous to the triggering transaction

Number of shares

Number of voting rights

GB0008085614

6,194,378

6,194,378

Class/type of shares If possible using the ISIN code

Resulting situation after the triggering transaction

Number of shares

Number of voting rights

% of voting rights

Direct

Direct

Indirect

Direct

Indirect

GB0008085614

5,112,395

5,112,395

969,893

11.89%

2.26%

B: Financial instruments

Resulting situation after the triggering transaction

Type of financial instrument

Expiration date

Exercise/Conversion

Period/Date

Number of voting rights that may be acquired if the instrument is exercised/converted

% of voting rights

N/A

Total (A+B)

Number of voting rights

% of voting rights

6,082,288

14.15%

9

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

See section 4

Proxy Voting:

10

Name of the proxy holder:

See section 4

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:

Figures are based on a total number of voting rights of 42,989,855.

14

Contact for further information:

Mary Nettleship, Company Secretary

15

Contact telephone number:

020 7307 9218

Annex to Notification of Major Interests in Shares

A: Identity of the person or legal entity subject to the notification obligation

Full name (including legal form for legal entities)

Aviva plc and its subsidiaries

Contact address (registered office for legal entities)

Phone number

01603 687803

Other useful information (at least legal representative for legal persons)

Diane Thirkettle

B: Identity of the notifier, if applicable

Full name

Global Reporting Unit, Aviva Plc

Contact address

Phone number

Other useful information (eg functional relationship with the person or legal entity subject to the notification obligation)