Barclays Regulatory News (BARC)

FORM 8.3

IRISH TAKEOVER PANEL

DISCLOSURE UNDER RULE 8.3 OF THE IRISH TAKEOVER PANEL ACT, 1997,

TAKEOVER RULES, 2007 (AS AMENDED)

DEALINGS BY PERSONS WITH INTERESTS IN RELEVANT SECURITIES

REPRESENTING 1% OR MORE

1.

KEY INFORMATION

Name of person dealing (Note 1)

Barclays PLC.

Company dealt in

HORIZON THERAPEUTICS PLC

Class of relevant security to which the dealings being disclosed relate (Note 2)

$0.0001 ordinary shares

Date of dealing

04 May 2023

2.

INTERESTS AND SHORT POSITIONS

(a)

Interests and short positions (following dealing) in the class of relevant security dealt in (Note 3)

Class of relevant security:

$0.0001 ordinary shares

Long

Short

Number

(%)

Number

(%)

(1)

Relevant securities 

1,423,459

0.62%

397,285

0.17%

(2)

Derivatives (other than options):

53,580

0.02%

0

0.00%

(3)

Options and agreements to purchase/sell:

1,282,700

0.56%

1,062,200

0.46%

TOTAL:

2,759,739

1.21%

1,459,485

0.64%

(b)

Interests and short positions in relevant securities of the company, other than the class dealt in

Class of relevant security:

Long

Short

Number

(%)

Number

(%)

(1)

Relevant securities

(2)

Derivatives (other than options):

(3)

Options and agreements to purchase/sell:

TOTAL:

3.

DEALINGS (Note 4)

(a)

Purchase and sales

Class of relevant Security

Purchase/sale

Number of securities

Price per unit

$0.0001 ordinary shares

Purchase

1

110.2600 USD

$0.0001 ordinary shares

Purchase

3

110.1600 USD

$0.0001 ordinary shares

Purchase

3

110.3966 USD

$0.0001 ordinary shares

Purchase

3

110.3300 USD

$0.0001 ordinary shares

Purchase

3

110.3700 USD

$0.0001 ordinary shares

Purchase

4

110.2650 USD

$0.0001 ordinary shares

Purchase

7

110.2100 USD

$0.0001 ordinary shares

Purchase

9

110.2788 USD

$0.0001 ordinary shares

Purchase

9

110.2966 USD

$0.0001 ordinary shares

Purchase

11

110.2827 USD

$0.0001 ordinary shares

Purchase

16

110.4287 USD

$0.0001 ordinary shares

Purchase

17

110.3141 USD

$0.0001 ordinary shares

Purchase

24

110.3129 USD

$0.0001 ordinary shares

Purchase

47

110.2850 USD

$0.0001 ordinary shares

Purchase

68

110.3157 USD

$0.0001 ordinary shares

Purchase

77

110.3031 USD

$0.0001 ordinary shares

Purchase

100

110.4800 USD

$0.0001 ordinary shares

Purchase

100

110.4950 USD

$0.0001 ordinary shares

Purchase

105

110.5000 USD

$0.0001 ordinary shares

Purchase

111

110.2174 USD

$0.0001 ordinary shares

Purchase

122

110.1800 USD

$0.0001 ordinary shares

Purchase

300

110.2066 USD

$0.0001 ordinary shares

Purchase

300

110.3050 USD

$0.0001 ordinary shares

Purchase

323

110.2913 USD

$0.0001 ordinary shares

Purchase

375

110.3552 USD

$0.0001 ordinary shares

Purchase

394

110.3381 USD

$0.0001 ordinary shares

Purchase

419

110.3110 USD

$0.0001 ordinary shares

Purchase

447

110.2564 USD

$0.0001 ordinary shares

Purchase

500

110.2800 USD

$0.0001 ordinary shares

Purchase

691

110.2900 USD

$0.0001 ordinary shares

Purchase

898

110.2773 USD

$0.0001 ordinary shares

Purchase

1,006

110.1519 USD

$0.0001 ordinary shares

Purchase

1,041

110.3519 USD

$0.0001 ordinary shares

Purchase

2,791

110.2067 USD

$0.0001 ordinary shares

Purchase

3,931

110.2405 USD

$0.0001 ordinary shares

Purchase

4,498

111.2429 USD

$0.0001 ordinary shares

Purchase

4,637

110.3444 USD

$0.0001 ordinary shares

Purchase

5,660

110.2910 USD

$0.0001 ordinary shares

Purchase

6,630

110.3249 USD

$0.0001 ordinary shares

Purchase

11,114

110.2720 USD

$0.0001 ordinary shares

Purchase

19,773

110.2924 USD

$0.0001 ordinary shares

Purchase

27,768

110.3104 USD

$0.0001 ordinary shares

Sale

1

110.5400 USD

$0.0001 ordinary shares

Sale

1

110.3900 USD

$0.0001 ordinary shares

Sale

1

110.3700 USD

$0.0001 ordinary shares

Sale

2

110.4000 USD

$0.0001 ordinary shares

Sale

2

110.3800 USD

$0.0001 ordinary shares

Sale

2

110.3750 USD

$0.0001 ordinary shares

Sale

3

110.1933 USD

$0.0001 ordinary shares

Sale

9

110.2744 USD

$0.0001 ordinary shares

Sale

10

110.3220 USD

$0.0001 ordinary shares

Sale

18

110.1783 USD

$0.0001 ordinary shares

Sale

28

110.2832 USD

$0.0001 ordinary shares

Sale

80

110.2723 USD

$0.0001 ordinary shares

Sale

100

110.3053 USD

$0.0001 ordinary shares

Sale

100

110.3200 USD

$0.0001 ordinary shares

Sale

103

110.3223 USD

$0.0001 ordinary shares

Sale

128

110.2048 USD

$0.0001 ordinary shares

Sale

154

110.4332 USD

$0.0001 ordinary shares

Sale

200

110.1900 USD

$0.0001 ordinary shares

Sale

207

110.2643 USD

$0.0001 ordinary shares

Sale

358

110.3721 USD

$0.0001 ordinary shares

Sale

400

110.2250 USD

$0.0001 ordinary shares

Sale

454

110.2033 USD

$0.0001 ordinary shares

Sale

551

110.1818 USD

$0.0001 ordinary shares

Sale

578

110.3576 USD

$0.0001 ordinary shares

Sale

780

110.2429 USD

$0.0001 ordinary shares

Sale

894

110.2954 USD

$0.0001 ordinary shares

Sale

900

110.3822 USD

$0.0001 ordinary shares

Sale

1,001

110.2729 USD

$0.0001 ordinary shares

Sale

1,262

110.2280 USD

$0.0001 ordinary shares

Sale

1,400

110.2971 USD

$0.0001 ordinary shares

Sale

1,401

110.2450 USD

$0.0001 ordinary shares

Sale

1,500

110.3550 USD

$0.0001 ordinary shares

Sale

1,984

110.3141 USD

$0.0001 ordinary shares

Sale

1,991

110.2466 USD

$0.0001 ordinary shares

Sale

2,018

110.1801 USD

$0.0001 ordinary shares

Sale

2,271

110.3375 USD

$0.0001 ordinary shares

Sale

2,354

110.3548 USD

$0.0001 ordinary shares

Sale

2,385

110.3410 USD

$0.0001 ordinary shares

Sale

3,931

110.2405 USD

$0.0001 ordinary shares

Sale

4,517

110.3041 USD

$0.0001 ordinary shares

Sale

4,702

110.2371 USD

$0.0001 ordinary shares

Sale

4,948

110.2363 USD

$0.0001 ordinary shares

Sale

5,000

110.3342 USD

$0.0001 ordinary shares

Sale

6,000

111.1015 USD

$0.0001 ordinary shares

Sale

7,584

110.3024 USD

$0.0001 ordinary shares

Sale

7,968

110.2496 USD

$0.0001 ordinary shares

Sale

8,597

110.2571 USD

$0.0001 ordinary shares

Sale

10,701

110.2619 USD

$0.0001 ordinary shares

Sale

18,390

110.2900 USD

$0.0001 ordinary shares

Sale

18,869

110.3091 USD

(b)

Derivatives transactions (other than option transactions)

Product Name

Nature of transaction

Number of relevant securities

Price per unit

(c)

Options transactions in respect of existing securities

(i)

Writing, selling, purchasing or varying

Class of relevant security

Product description

Writing, purchasing, selling, varying etc

Number of securities to which option relates

Exercise price per unit

Type

Expiry date

Option money paid/ received per unit

(ii)

Exercising

Product name

Number of securities

Exercise price per unit

(d)

Other dealings (including transactions in respect of new securities) (Note 4)

Nature of transaction

Details

Price per unit (if applicable)

4.

OTHER INFORMATION

Agreements, arrangements or understandings relating to options or derivatives

Full details of any agreement, arrangement or understanding between the person disclosing and any other person relating to the voting rights of any relevant securities under any option referred to on this form or relating to the voting rights or future acquisition or disposal of any relevant securities to which any derivative referred to on this form is referenced. If none, this should be stated.

NONE

Is a Supplemental Form 8 (Open Positions) attached?

YES

Date of disclosure:

05 May 2023

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213

If a connected EFM, name of offeree/offeror with which connected

If a connected EFM, state nature of connection

SUPPLEMENTAL FORM 8

IRISH TAKEOVER PANEL

DISCLOSURE UNDER RULE 8.1 AND RULE 8.3 OF THE IRISH TAKEOVER PANEL

ACT, 1997, TAKEOVER RULES, 2007 (AS AMENDED)

DETAILS OF OPEN POSITIONS

(This form should be attached to Form 8.1(a) & (b)(i), Form 8.1(b)(ii) or Form 8.3, as

appropriate)

OPEN POSITIONS

Class of relevant security

Product Description

Writing, purchasing, selling, varying etc

Number of securities to which option relates

Exercise price per unit

Type

Expiry date

$0.0001 ordinary shares

Put Options

Written

150,000

090

American

19 May 2023

$0.0001 ordinary shares

Put Options

Written

495,500

100

American

16 Jun 2023

$0.0001 ordinary shares

Put Options

Purchased

-65,000

095

American

19 May 2023

$0.0001 ordinary shares

Put Options

Purchased

-25,000

085

American

19 May 2023

$0.0001 ordinary shares

Put Options

Written

10,200

080

American

18 Aug 2023

$0.0001 ordinary shares

Put Options

Written

65,000

105

American

19 May 2023

$0.0001 ordinary shares

Put Options

Written

400,000

100

American

18 Aug 2023

$0.0001 ordinary shares

Put Options

Purchased

-800,000

080

American

18 Aug 2023

$0.0001 ordinary shares

Put Options

Written

162,000

105

American

21 Jul 2023

$0.0001 ordinary shares

Put Options

Purchased

-162,000

090

American

21 Jul 2023

$0.0001 ordinary shares

Put Options

Purchased

-10,200

100

American

18 Aug 2023