Holding(s) in Company

NOTIFICATION OF MAJOR HOLDINGS (to be sent to the relevant issuer and to the FCA in Microsoft Word format if possible)i

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

HAMMERSON plc

1b. Please indicate if the issuer is a non-UK issuer (please mark with an "X" if appropriate)

Non-UK issuer

2. Reason for the notification (please mark the appropriate box or boxes with an "X")

An acquisition or disposal of voting rights

X

An acquisition or disposal of financial instruments

An event changing the breakdown of voting rights

Other (please specify)iii:

3. Details of person subject to the notification obligationiv

Name

The Goldman Sachs Group, Inc.

City and country of registered office (if applicable)

Corporation Trust Center, 1209 Orange Street,

Wilmington DE 19801, USA

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

Name

Goldman Sachs International

City and country of registered office (if applicable)

Plumtree Court, 25 Shoe Lane, London EC4A 4AU, UK

5. Date on which the threshold was crossed or reachedvi:

18/09/2020

6. Date on which issuer notified (DD/MM/YYYY):

22/09/2020

7. Total positions of person(s) subject to the notification obligation

% of voting rights attached to shares (total of 8. A)

% of voting rights through financial instruments(total of 8.B 1 + 8.B 2)

Total of both in % (8.A + 8.B)

Total number of voting rights of issuervii

Resulting situation on the date on which threshold was crossed or reached

0.26%

10.68%

10.94%

153,258,722

Position of previous notification (if

applicable)

1.65%

10.68%

12.33%

8. Notified details of the resulting situation on the date on which the threshold was crossed or reachedviii

A: Voting rights attached to shares

Class/type ofshares

ISIN code (if possible)

Number of voting rightsix

% of voting rights

Direct

(Art 9 of Directive 2004/109/EC) (DTR5.1)

Indirect

(Art 10 of Directive 2004/109/EC) (DTR5.2.1)

Direct

(Art 9 of Directive 2004/109/EC) (DTR5.1)

Indirect

(Art 10 of Directive 2004/109/EC) (DTR5.2.1)

GB00BK7YQK64

395,737

0.26%

SUBTOTAL 8. A

395,737

0.26%

B 1: Financial Instruments according to Art. 13(1)(a) of Directive 2004/109/EC (DTR5.3.1.1 (a))

Type of financial instrument

Expirationdatex

Exercise/Conversion Periodxi

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

exercised/converted.

% of voting rights

Securities Lending

Open

1,831,670

1.20%

SUBTOTAL 8. B 1

1,831,670

1.20%

B 2: Financial Instruments with similar economic effect according to Art. 13(1)(b) of Directive 2004/109/EC (DTR5.3.1.1 (b))

Type of financial instrument

Expirationdatex

Exercise/Conversion Period xi

Physical or cash

settlementxii

Number of voting rights

% of voting rights

Refer to the annexure

SUBTOTAL 8.B.2

14,537,995

9.49%

9. Information in relation to the person subject to the notification obligation (please mark the

applicable box with an "X")

Person subject to the notification obligation is not controlled by any natural person or legal entity and does not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuerxiii

Full chain of controlled undertakings through which the voting rights and/or thefinancial instruments are effectively held starting with the ultimate controlling natural person or legal entityxiv (please add additional rows as necessary)

X

Namexv

% of voting rights if it equals or is higher than the notifiable threshold

% of voting rights through financial instruments if it equals or is higher than the notifiable threshold

Total of both if it equals or is higher than the notifiable threshold

The Goldman Sachs Group, Inc.

Goldman Sachs (UK) L.L.C.

Goldman Sachs Group UK Limited

Goldman Sachs

International

10.62%

10.80%

The Goldman Sachs Group, Inc.

Goldman Sachs & Co. LLC

The Goldman Sachs Group, Inc.

GSAM Holdings LLC

Goldman Sachs Asset Management, L.P.

10. In case of proxy voting, please identify:

Name of the proxy holder

N/A

The number and % of voting rights held

N/A

The date until which the voting rights will be held

N/A

11. Additional informationxvi

Please note, the total amount of voting rights has been rounded to 2 decimal places therefore there is a possibility of a rounding error.

General email contact:

[email protected]

Place of completion

London

Date of completion

22/09/2020

Annexure

B 2: Financial Instruments with similar economic effect according to Art. 13(1)(b) of Directive 2004/109/EC (DTR5.3.1.1 (b))

Type of financial instrument

Expiration datex

Exercise/Conversion periodxi

Physical or cash settlementxii

Number of voting rights

% of voting rights

Swap

11/03/2025

Cash

1,224,653

0.80%

CFD

17/09/2025

Cash

1,015,900

0.66%

Swap

25/03/2025

Cash

829,233

0.54%

CFD

03/12/2021

Cash

816,047

0.53%

CFD

29/04/2030

Cash

708,302

0.46%

CFD

23/04/2030

Cash

502,735

0.33%

CFD

23/04/2030

Cash

502,735

0.33%

CFD

09/08/2029

Cash

439,667

0.29%

CFD

09/07/2021

Cash

412,987

0.27%

CFD

24/04/2030

Cash

357,037

0.23%

CFD

29/04/2030

Cash

355,867

0.23%

CFD

04/02/2030

Cash

354,006

0.23%

CFD

09/07/2021

Cash

336,920

0.22%

CFD

07/05/2030

Cash

326,711

0.21%

CFD

07/05/2030

Cash

313,912

0.20%

CFD

03/12/2021

Cash

310,963

0.20%

CFD

04/02/2030

Cash

304,201

0.20%

CFD

29/04/2030

Cash

301,641

0.20%

CFD

17/09/2025

Cash

299,181

0.20%

CFD

29/04/2030

Cash

269,396

0.18%

CFD

29/04/2030

Cash

241,313

0.16%

CFD

07/05/2030

Cash

237,799

0.16%

CFD

30/04/2030

Cash

234,201

0.15%

CFD

24/04/2030

Cash

215,363

0.14%

CFD

07/05/2030

Cash

211,907

0.14%

CFD

23/04/2030

Cash

208,045

0.14%

CFD

23/04/2030

Cash

201,331

0.13%

CFD

23/04/2030

Cash

201,094

0.13%

CFD

23/04/2030

Cash

201,094

0.13%

CFD

29/04/2030

Cash

201,094

0.13%

CFD

23/04/2030

Cash

191,245

0.12%

CFD

19/03/2030

Cash

190,374

0.12%

CFD

23/04/2030

Cash

185,002

0.12%

CFD

07/05/2030

Cash

174,204

0.11%

CFD

29/04/2030

Cash

173,468

0.11%

CFD

04/02/2030

Cash

135,083

0.09%

Swap

01/04/2025

Cash

111,955

0.07%

CFD

11/07/2029

Cash

111,055

0.07%

CFD

29/04/2030

Cash

106,648

0.07%

CFD

06/08/2025

Cash

84,624

0.06%

CFD

21/05/2030

Cash

74,953

0.05%

Swap

11/11/2020

Cash

72,922

0.05%

CFD

24/04/2030

Cash

63,708

0.04%

CFD

01/05/2030

Cash

62,276

0.04%

CFD

05/08/2025

Cash

61,839

0.04%

Swap

13/11/2020

Cash

56,550

0.04%

CFD

23/04/2030

Cash

50,273

0.03%

Swap

11/03/2025

Cash

45,460

0.03%

CFD

01/05/2030

Cash

43,034

0.03%

CFD

29/04/2030

Cash

41,265

0.03%

CFD

23/04/2030

Cash

31,316

0.02%

CFD

11/08/2025

Cash

25,972

0.02%

CFD

23/04/2030

Cash

25,487

0.02%

CFD

06/08/2025

Cash

24,851

0.02%

CFD

19/03/2030

Cash

23,629

0.02%

Swap

05/06/2030

Cash

21,882

0.01%

CFD

08/01/2030

Cash

19,920

0.01%

CFD

05/08/2025

Cash

18,160

0.01%

CFD

10/01/2022

Cash

16,178

0.01%

CFD

10/01/2022

Cash

15,767

0.01%

CFD

07/08/2025

Cash

14,369

0.01%

CFD

10/01/2022

Cash

14,153

0.01%

CFD

31/10/2029

Cash

12,361

0.01%

CFD

16/07/2029

Cash

10,979

0.01%

CFD

23/04/2030

Cash

9,945

0.01%

CFD

19/05/2025

Cash

9,427

0.01%

CFD

18/03/2030

Cash

8,537

0.01%

CFD

19/03/2030

Cash

8,425

0.01%

CFD

24/04/2030

Cash

8,192

0.01%

CFD

11/08/2025

Cash

7,627

0.005%

CFD

18/08/2025

Cash

5,024

0.003%

Swap

03/12/2020

Cash

4,628

0.003%

CFD

19/05/2025

Cash

4,512

0.003%

CFD

07/08/2025

Cash

4,219

0.003%

CFD

19/05/2025

Cash

2,916

0.002%

CFD

21/05/2025

Cash

2,781

0.002%

CFD

23/04/2030

Cash

2,532

0.002%

CFD

10/01/2022

Cash

2,299

0.002%

CFD

10/01/2022

Cash

2,240

0.001%

CFD

10/01/2022

Cash

2,030

0.001%

CFD

10/01/2022

Cash

2,011

0.001%

CFD

10/12/2024

Cash

1,478

0.001%

CFD

19/05/2025

Cash

1,391

0.001%

CFD

21/05/2025

Cash

860

0.001%

CFD

10/01/2022

Cash

288

0.0002%

Swap

04/12/2020

Cash

210

0.0001%

Swap

14/01/2021

Cash

100

0.0001%

CFD

10/01/2022

Cash

10

0.00001%

CFD

10/01/2022

Cash

10

0.00001%

CFD

10/01/2022

Cash

9

0.00001%

CFD

10/01/2022

Cash

1

0.000001%

Total Number of voting rights and percentage of voting rights

14,537,995

9.49%

Additional information: Please note, total amount of voting rights have been rounded to 2 decimal places therefore there is a possibility of a rounding error.