Holding(s) in Company

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

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

Workspace Group Plc

2. Reason for the notification (please tick the appropriate box or boxes):

An accquisition or disposal of voting rights

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)

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

Citigroup Global Markets Limited

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

N/A

N/A

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

10-Apr-13

6. Date on which issuer notified:

12-Apr-13

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

5.00%

8: Notified Details:

A: Voting Rights attached to Shares (viii), (ix)

Class/type of shares

Situation previous to the Triggering transaction

Resulting situation after the triggering transaction

if possible using the ISIN Code

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

GB00B67G5X01

7,723,953

7,723,953

3,681,962

3,681,962

0

2.54%

0.00%

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financial instrument

Expiration date (xiii)

Exercise/Converion 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

% of Voting Rights

3,681,962

2.54%

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

Proxy Voting:

10. Name of the 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:

14. Contact name:

Nicola Penney

15. Contact telephone number:

02890 409542