Form 8.3 - HORIZON THERAPEUTICS PLC

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

25 Apr 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 

1,373,422

0.60%

350,700

0.15%

(2)

Derivatives (other than options):

53,770

0.02%

0

0.00%

(3)

Options and agreements to purchase/sell:

1,145,700

0.50%

925,200

0.41%

TOTAL:

2,572,892

1.13%

1,275,900

0.56%

(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

23

110.5191 USD

$0.0001 ordinary shares

Purchase

97

110.6615 USD

$0.0001 ordinary shares

Purchase

100

110.4200 USD

$0.0001 ordinary shares

Purchase

100

110.6900 USD

$0.0001 ordinary shares

Purchase

100

110.5200 USD

$0.0001 ordinary shares

Purchase

100

110.5000 USD

$0.0001 ordinary shares

Purchase

105

110.4280 USD

$0.0001 ordinary shares

Purchase

200

110.5850 USD

$0.0001 ordinary shares

Purchase

200

110.3150 USD

$0.0001 ordinary shares

Purchase

200

110.5500 USD

$0.0001 ordinary shares

Purchase

200

110.3950 USD

$0.0001 ordinary shares

Purchase

200

110.4250 USD

$0.0001 ordinary shares

Purchase

219

110.4508 USD

$0.0001 ordinary shares

Purchase

249

110.5420 USD

$0.0001 ordinary shares

Purchase

300

110.4700 USD

$0.0001 ordinary shares

Purchase

300

110.5600 USD

$0.0001 ordinary shares

Purchase

312

110.4414 USD

$0.0001 ordinary shares

Purchase

350

110.6099 USD

$0.0001 ordinary shares

Purchase

372

110.5965 USD

$0.0001 ordinary shares

Purchase

400

110.6025 USD

$0.0001 ordinary shares

Purchase

400

110.5400 USD

$0.0001 ordinary shares

Purchase

456

110.5098 USD

$0.0001 ordinary shares

Purchase

460

110.4880 USD

$0.0001 ordinary shares

Purchase

500

110.6020 USD

$0.0001 ordinary shares

Purchase

522

110.6143 USD

$0.0001 ordinary shares

Purchase

584

110.4205 USD

$0.0001 ordinary shares

Purchase

700

110.6071 USD

$0.0001 ordinary shares

Purchase

703

110.4273 USD

$0.0001 ordinary shares

Purchase

806

110.4918 USD

$0.0001 ordinary shares

Purchase

826

110.5606 USD

$0.0001 ordinary shares

Purchase

1,104

110.5492 USD

$0.0001 ordinary shares

Purchase

1,116

110.5666 USD

$0.0001 ordinary shares

Purchase

1,268

110.4797 USD

$0.0001 ordinary shares

Purchase

1,700

110.5234 USD

$0.0001 ordinary shares

Purchase

2,126

110.4739 USD

$0.0001 ordinary shares

Purchase

2,282

110.4738 USD

$0.0001 ordinary shares

Purchase

5,000

110.8300 USD

$0.0001 ordinary shares

Purchase

7,024

110.5800 USD

$0.0001 ordinary shares

Purchase

7,761

110.5024 USD

$0.0001 ordinary shares

Purchase

7,908

110.5291 USD

$0.0001 ordinary shares

Purchase

10,796

110.5811 USD

$0.0001 ordinary shares

Purchase

12,934

110.5023 USD

$0.0001 ordinary shares

Purchase

14,025

110.5337 USD

$0.0001 ordinary shares

Purchase

16,994

110.4706 USD

$0.0001 ordinary shares

Purchase

19,736

110.4672 USD

$0.0001 ordinary shares

Purchase

23,487

110.5751 USD

$0.0001 ordinary shares

Purchase

25,000

110.4900 USD

$0.0001 ordinary shares

Purchase

60,904

110.5643 USD

$0.0001 ordinary shares

Purchase

143,736

110.5534 USD

$0.0001 ordinary shares

Purchase

239,528

110.5747 USD

$0.0001 ordinary shares

Sale

11

110.5304 USD

$0.0001 ordinary shares

Sale

14

110.6600 USD

$0.0001 ordinary shares

Sale

21

110.5352 USD

$0.0001 ordinary shares

Sale

24

110.5800 USD

$0.0001 ordinary shares

Sale

25

110.4700 USD

$0.0001 ordinary shares

Sale

100

110.4600 USD

$0.0001 ordinary shares

Sale

100

110.3600 USD

$0.0001 ordinary shares

Sale

123

110.5993 USD

$0.0001 ordinary shares

Sale

290

110.5082 USD

$0.0001 ordinary shares

Sale

300

110.4983 USD

$0.0001 ordinary shares

Sale

312

110.4975 USD

$0.0001 ordinary shares

Sale

419

110.5717 USD

$0.0001 ordinary shares

Sale

500

110.6020 USD

$0.0001 ordinary shares

Sale

500

110.6300 USD

$0.0001 ordinary shares

Sale

600

110.5841 USD

$0.0001 ordinary shares

Sale

602

110.6144 USD

$0.0001 ordinary shares

Sale

649

110.5488 USD

$0.0001 ordinary shares

Sale

700

110.6064 USD

$0.0001 ordinary shares

Sale

774

110.5174 USD

$0.0001 ordinary shares

Sale

790

110.5670 USD

$0.0001 ordinary shares

Sale

800

110.5200 USD

$0.0001 ordinary shares

Sale

900

110.5866 USD

$0.0001 ordinary shares

Sale

900

110.5700 USD

$0.0001 ordinary shares

Sale

973

110.5988 USD

$0.0001 ordinary shares

Sale

1,001

110.5424 USD

$0.0001 ordinary shares

Sale

1,171

110.5809 USD

$0.0001 ordinary shares

Sale

1,245

110.5417 USD

$0.0001 ordinary shares

Sale

1,461

110.6293 USD

$0.0001 ordinary shares

Sale

2,000

110.5500 USD

$0.0001 ordinary shares

Sale

2,500

110.6597 USD

$0.0001 ordinary shares

Sale

2,639

110.5349 USD

$0.0001 ordinary shares

Sale

2,902

110.4706 USD

$0.0001 ordinary shares

Sale

3,709

110.5230 USD

$0.0001 ordinary shares

Sale

5,000

110.3850 USD

$0.0001 ordinary shares

Sale

5,674

110.4999 USD

$0.0001 ordinary shares

Sale

5,700

110.5721 USD

$0.0001 ordinary shares

Sale

7,788

110.5247 USD

$0.0001 ordinary shares

Sale

7,959

110.5024 USD

$0.0001 ordinary shares

Sale

8,408

110.5891 USD

$0.0001 ordinary shares

Sale

10,648

110.5811 USD

$0.0001 ordinary shares

Sale

13,335

110.4413 USD

$0.0001 ordinary shares

Sale

17,302

110.5420 USD

$0.0001 ordinary shares

Sale

17,416

110.5460 USD

$0.0001 ordinary shares

Sale

18,314

110.5900 USD

$0.0001 ordinary shares

Sale

30,000

110.5296 USD

$0.0001 ordinary shares

Sale

43,589

110.5446 USD

$0.0001 ordinary shares

Sale

47,670

110.5904 USD

$0.0001 ordinary shares

Sale

50,585

110.6646 USD

$0.0001 ordinary shares

Sale

56,552

110.5668 USD

$0.0001 ordinary shares

Sale

105,000

110.4838 USD

$0.0001 ordinary shares

Sale

150,179

110.5675 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:

26 Apr 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

495,500

100

American

16 Jun 2023

$0.0001 ordinary shares

Put Options

Written

10,200

080

American

18 Aug 2023

$0.0001 ordinary shares

Put Options

Purchased

-25,000

085

American

19 May 2023

$0.0001 ordinary shares

Put Options

Written

400,000

100

American

18 Aug 2023

$0.0001 ordinary shares

Put Options

Written

150,000

090

American

19 May 2023

$0.0001 ordinary shares

Put Options

Purchased

-90,000

090

American

21 Jul 2023

$0.0001 ordinary shares

Put Options

Purchased

-10,200

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

90,000

105

American

21 Jul 2023