TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARESⁱ

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

M&C SAATCHI 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):

Proxy voting

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

BT Pension Scheme Trustees Limited as trustee of the BT Pension Scheme.  See Section 9 for further information.

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

N/A

5. Date of the transaction and date on
which the threshold is crossed or
reached: ^v

24 March, 2011

6. Date on which issuer notified:

25 March 2011

7. Threshold(s) that is/are crossed or
reached: ^{vi, vii}

From 9% to 11%

8. Notified details:

A: Voting rights attached to shares ^{viii, ix}

Class/type of
shares

if possible using
the 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

% of  voting rights ^x

Direct

Direct ^xi

Indirect ^xii

Direct

Indirect

B01F7T1

GB00B01F7T14

5,926,968

5,926,968

7,236,968

N/A

N/A

11.705

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financial
instrument

Expiration
date ^xiii

Exercise/
Conversion Period ^xiv

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

% of voting
rights

C: Financial Instruments with similar economic effect to Qualifying Financial Instruments ^{xv, xvi}

Resulting situation after the triggering transaction

Type of financial
instrument

Exercise price

Expiration date ^xvii

Exercise/
Conversion period ^xviii

Number of voting rights instrument refers to

% of voting rights ^{xix, xx}

Nominal

Delta

Total (A+B+C)

Number of voting rights

Percentage of voting rights

7,236,968

11.705%

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

BT Pension Scheme Trustees Limited, as trustee of the BT Pension Scheme ("BTPS") is the parent undertaking of Britel Fund Nominees Limited and Britel Fund Trustees Limited, which is the parent undertaking of Hermes Fund Managers Limited ("HFML").  HFML is the parent undertaking of:

1.   Hermes Focus Asset Management Limited ("HFAM") as General Partner of the following limited partnerships:

a.   Hermes UK Specialist Focus Fund ("HUKSFF") (voting rights: 11.705%)

This notification is also being made in respect of HUKSFF which has an individual notification obligation under DTR 5.1.2 

Proxy Voting:

10. Name of the proxy holder:

See Comment in Section 13.

11. Number of voting rights proxy holder will cease
to hold:

See Comment in Section 13.

12. Date on which proxy holder will cease to hold
voting rights:

See Comment in Section 13.

13. Additional information:

HFAM hold the voting rights as General Partner under a standing proxy contained in limited partnership agreements with various limited partnerships for the purposes of DTR 5.2.1(h).

This disclosure is made by BT Pension Scheme Trustees Limited as trustee of the BT Pension Scheme, which is the ultimate parent undertaking for the purposes of DTR 5.2.1(e).