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)

$0.001 ordinary shares

Date of dealing

30 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:

$0.001 ordinary shares

Long

Short

Number

(%)

Number

(%)

(1)

Relevant securities 

1,161,213

0.51%

676,818

0.30%

(2)

Derivatives (other than options):

141,886

0.06%

98,064

0.04%

(3)

Options and agreements to purchase/sell:

1,422,500

0.62%

1,185,400

0.52%

TOTAL:

2,725,599

1.19%

1,960,282

0.86%

(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

$0.001 ordinary shares

Purchase

1

99.7200 USD

$0.001 ordinary shares

Purchase

36

99.6700 USD

$0.001 ordinary shares

Purchase

71

99.5509 USD

$0.001 ordinary shares

Purchase

92

99.5300 USD

$0.001 ordinary shares

Purchase

100

99.5800 USD

$0.001 ordinary shares

Purchase

100

99.5000 USD

$0.001 ordinary shares

Purchase

104

99.4800 USD

$0.001 ordinary shares

Purchase

132

99.5179 USD

$0.001 ordinary shares

Purchase

144

99.3735 USD

$0.001 ordinary shares

Purchase

156

99.4585 USD

$0.001 ordinary shares

Purchase

195

99.5125 USD

$0.001 ordinary shares

Purchase

200

99.4650 USD

$0.001 ordinary shares

Purchase

206

99.4058 USD

$0.001 ordinary shares

Purchase

208

99.5378 USD

$0.001 ordinary shares

Purchase

396

99.3763 USD

$0.001 ordinary shares

Purchase

400

99.5362 USD

$0.001 ordinary shares

Purchase

400

99.5032 USD

$0.001 ordinary shares

Purchase

444

99.5772 USD

$0.001 ordinary shares

Purchase

463

99.5350 USD

$0.001 ordinary shares

Purchase

500

99.5600 USD

$0.001 ordinary shares

Purchase

538

99.4959 USD

$0.001 ordinary shares

Purchase

564

99.3500 USD

$0.001 ordinary shares

Purchase

981

99.5413 USD

$0.001 ordinary shares

Purchase

1,010

99.3793 USD

$0.001 ordinary shares

Purchase

1,615

99.5237 USD

$0.001 ordinary shares

Purchase

1,842

99.5043 USD

$0.001 ordinary shares

Purchase

1,941

99.5634 USD

$0.001 ordinary shares

Purchase

2,023

99.5171 USD

$0.001 ordinary shares

Purchase

2,547

99.5277 USD

$0.001 ordinary shares

Purchase

2,605

99.5717 USD

$0.001 ordinary shares

Purchase

5,575

99.4325 USD

$0.001 ordinary shares

Purchase

5,743

99.4537 USD

$0.001 ordinary shares

Purchase

6,587

99.5281 USD

$0.001 ordinary shares

Purchase

6,598

99.3699 USD

$0.001 ordinary shares

Purchase

9,056

99.5475 USD

$0.001 ordinary shares

Purchase

9,220

99.5091 USD

$0.001 ordinary shares

Purchase

9,512

99.4691 USD

$0.001 ordinary shares

Purchase

17,128

99.5446 USD

$0.001 ordinary shares

Purchase

25,776

99.4613 USD

$0.001 ordinary shares

Sale

4

99.4425 USD

$0.001 ordinary shares

Sale

20

99.3600 USD

$0.001 ordinary shares

Sale

35

99.3845 USD

$0.001 ordinary shares

Sale

37

99.4083 USD

$0.001 ordinary shares

Sale

54

99.4266 USD

$0.001 ordinary shares

Sale

54

99.4800 USD

$0.001 ordinary shares

Sale

100

99.5200 USD

$0.001 ordinary shares

Sale

100

99.3700 USD

$0.001 ordinary shares

Sale

100

99.5000 USD

$0.001 ordinary shares

Sale

200

99.3300 USD

$0.001 ordinary shares

Sale

288

99.4793 USD

$0.001 ordinary shares

Sale

322

99.4300 USD

$0.001 ordinary shares

Sale

519

99.5305 USD

$0.001 ordinary shares

Sale

557

99.5239 USD

$0.001 ordinary shares

Sale

700

99.5042 USD

$0.001 ordinary shares

Sale

700

99.4371 USD

$0.001 ordinary shares

Sale

703

99.4114 USD

$0.001 ordinary shares

Sale

719

99.3581 USD

$0.001 ordinary shares

Sale

800

99.4146 USD

$0.001 ordinary shares

Sale

923

99.3979 USD

$0.001 ordinary shares

Sale

948

99.5481 USD

$0.001 ordinary shares

Sale

963

99.4530 USD

$0.001 ordinary shares

Sale

1,254

99.5733 USD

$0.001 ordinary shares

Sale

2,038

99.5244 USD

$0.001 ordinary shares

Sale

2,142

99.5277 USD

$0.001 ordinary shares

Sale

2,164

99.5488 USD

$0.001 ordinary shares

Sale

5,507

99.3941 USD

$0.001 ordinary shares

Sale

6,171

99.5355 USD

$0.001 ordinary shares

Sale

6,291

99.3500 USD

$0.001 ordinary shares

Sale

7,604

99.3906 USD

$0.001 ordinary shares

Sale

9,474

99.4931 USD

$0.001 ordinary shares

Sale

13,718

99.4786 USD

$0.001 ordinary shares

Sale

50,000

99.5323 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:

31 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

$0.001 ordinary shares

Put Options

Written

495,500

100

American

16 Jun 2023

$0.001 ordinary shares

Put Options

Written

28,800

095

American

21 Jul 2023

$0.001 ordinary shares

Call Options

Written

-10,600

105

American

18 Aug 2023

$0.001 ordinary shares

Put Options

Written

2,000

085

American

21 Jul 2023

$0.001 ordinary shares

Put Options

Purchased

-250,000

080

American

16 Jun 2023

$0.001 ordinary shares

Put Options

Written

10,200

080

American

18 Aug 2023

$0.001 ordinary shares

Put Options

Written

250,000

105

American

16 Jun 2023

$0.001 ordinary shares

Call Options

Written

-2,000

100

American

21 Jul 2023

$0.001 ordinary shares

Call Options

Written

-2,600

100

American

18 Aug 2023

$0.001 ordinary shares

Put Options

Written

74,000

090

American

15 Sep 2023

$0.001 ordinary shares

Put Options

Written

400,000

100

American

18 Aug 2023

$0.001 ordinary shares

Put Options

Purchased

-793,200

080

American

18 Aug 2023

$0.001 ordinary shares

Put Options

Written

162,000

105

American

21 Jul 2023

$0.001 ordinary shares

Put Options

Purchased

-10,200

100

American

18 Aug 2023

$0.001 ordinary shares

Put Options

Purchased

-106,800

090

American

21 Jul 2023

$0.001 ordinary shares

Call Options

Written

-10,000

105

American

16 Jun 2023