Form 8.3 - MGM RESORTS INTERNATIONAL

(a) Full name of discloser:

Barclays PLC.

(b) Owner or controller of interests and short positions disclosed, if different from 1(a):

The naming of nominee or vehicle companies is insufficient. For a trust, the trustee(s), settlor and beneficiaries must be named.

(c) Name of offeror/offeree in relation to whose relevant securities this form relates:

Use a separate form for each offeror/offeree

MGM RESORTS INTERNATIONAL

(d) If an exempt fund manager connected with an offeror/offeree, state this and specify identity of offeror/offeree:

(e) Date position held/dealing undertaken:

For an opening position disclosure, state the latest practicable date prior to the disclosure

11 Jan 2021

(f) In addition to the company in 1(c) above, is the discloser making disclosures in respect of any other party to the offer?

If it is a cash offer or possible cash offer, state “N/A”

YES : ENTAIN PLC

(1)

447,538

0.09%

679,307

0.14%

(2)

384,373

0.08%

0

0.00%

(3)

1,021,000

0.21%

633,000

0.13%

1,852,911

0.37%

1,312,307

0.27%

Class of relevant security in relation to which subscription right exists:

Details, including nature of the rights concerned and relevant percentages:

164

600

629

800

800

849

911

1,000

1,100

2,100

2,200

2,374

5,943

7,916

8,796

13,848

15,179

20,079

25,895

38,737

39,763

48,865

51,000

71,687

85,628

125,983

175,000

4

6

16

100

100

104

118

123

300

300

400

440

449

500

600

670

700

700

700

727

754

800

800

900

1,000

1,100

1,195

1,280

1,300

1,591

1,691

1,800

1,837

1,860

1,879

2,260

2,285

2,548

2,732

2,740

2,749

2,899

3,456

3,587

3,683

3,890

4,096

4,870

4,915

5,485

5,918

6,086

6,400

7,275

7,601

7,806

7,838

8,448

10,700

11,231

11,574

11,729

13,019

13,058

13,282

17,417

28,336

32,808

48,200

50,000

146,460

175,000

213,621

Class of relevant security

Product description

e.g. CFD

Nature of dealing

e.g. opening/closing a long/short position, increasing/reducing a long/short position

Number of reference securities

Price per unit

Class of relevant security

Product description e.g. call option

Writing, purchasing, selling, varying etc.

Number of securities to which option relates

Exercise price per unit

Type

e.g. American, European etc.

Expiry date

Option money paid/ received per unit

Class of relevant security

Product description

e.g. call option

Exercising/ exercised against

Number of securities

Exercise price per unit

Class of relevant security

Nature of dealing

e.g. subscription, conversion

Details

Price per unit (if applicable)

Details of any indemnity or option arrangement, or any agreement or understanding, formal or informal, relating to relevant securities which may be an inducement to deal or refrain from dealing entered into by the person making the disclosure and any party to the offer or any person acting in concert with a party to the offer:

Irrevocable commitments and letters of intent should not be included. If there are no such agreements, arrangements or understandings, state “none”

None

Details of any agreement, arrangement or understanding, formal or informal, between the person making the disclosure and any other person relating to:

(i) the voting rights of any relevant securities under any option; or

(ii) the voting rights or future acquisition or disposal of any relevant securities to which any derivative is referenced:

If there are no such agreements, arrangements or understandings, state “none”

None

Is a Supplemental Form 8 (Open Positions) attached?

NO

Date of disclosure:

12 Jan 2021

Contact name:

Large Holdings Regulatory Operations

Telephone number*:

020 3134 7213