Notification of major interest in shares

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 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 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 the
notification 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 on
which the threshold is crossed or
reached: ^v

27 January 2017

6. Date on which issuer notified:

30 January 2017

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

See item 13

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

ORD GBP1

GB00B67G5X01

8,298,490

8,298,490

7,121,966

0

7,121,966

0

4.36%

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

ORD GBP1

GB00B67G5X01

(Right of Recall)

1,341,672

0.82%

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

8,463,638

5.18%

9. Chain of controlled undertakings through which the voting rights and/or the
financial 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 cease
to hold:

N/A

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

N/A

13. Additional information:

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

14. Contact name:

John Baker / Owen Smith / James Todd

M&G Investment Management Limited

15. Contact telephone number:

020 7548 2561 / 020 7004 4517 / 020 7548 2293