Holding(s) in Company

For filings with the FCA include the annex

For filings with issuer exclude the annex

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARESi

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

Workspace Group plc

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

An acquisition 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

X

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 thenotification obligation: iii

Prudential plc group of companies

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

Prudential plc

The Prudential Assurance Company Limited

M&G Group Limited

M&G Limited

M&G Investment Management Limited

5. Date of the transaction and date onwhich the threshold is crossed orreached: v

31 January 2017

6. Date on which issuer notified:

01 February 2017

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

See item 13

8. Notified details:

A: Voting rights attached to shares viii, ix

Class/type ofshares

if possible usingthe ISIN CODE

Situation previousto the triggeringtransaction

Resulting situation after the triggering transaction

NumberofShares

NumberofVotingRights

Numberof shares

Number of votingrights

% of voting rights x

Direct

Direct xi

Indirect xii

Direct

Indirect

ORD GBP1

GB00B67G5X01

7,127,313

7,127,313

8,162,577

0

8,162,577

0

5.00%

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financialinstrument

Expirationdate xiii

Exercise/Conversion Period xiv

Number of votingrights that may beacquired if theinstrument isexercised/ converted.

% of votingrights

ORD GBP1

GB00B67G5X01

(Right of Recall)

301,061

0.18%

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

Resulting situation after the triggering transaction

Type of financialinstrument

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

8,463,638

5.18%

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

Prudential plc (parent Company) - 8,463,638 (5.18%)

The Prudential Assurance Company Limited (wholly owned subsidiary of Prudential plc) - 5,410,429 (3.31%)

M&G Group Limited (wholly owned subsidiary of Prudential plc) - 8,463,638 (5.18%)

M&G Limited (wholly owned subsidiary of M&G Group Limited) - 8,463,638 (5.18%)

M&G Investment Management Limited (wholly owned subsidiary of M&G Limited) - 8,463,638 (5.18%)

Proxy Voting:

10. Name of the proxy holder:

N/A

11. Number of voting rights proxy holder will ceaseto hold:

N/A

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

N/A

13. Additional information:

Prudential plc has moved above a 5% notifiable interest excluding the right of recall under the Qualifying Financial Instruments.

14. Contact name:

John Baker / Poonam Stammers

M&G Investment Management Limited

15. Contact telephone number:

020 7548 2561 / 020 480 6135