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

26 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 

1,372,642

0.60%

350,440

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:

2,572,112

1.13%

1,275,640

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

1

110.2900 USD

$0.0001 ordinary shares

Purchase

2

110.1700 USD

$0.0001 ordinary shares

Purchase

11

110.3909 USD

$0.0001 ordinary shares

Purchase

21

110.4557 USD

$0.0001 ordinary shares

Purchase

26

110.3046 USD

$0.0001 ordinary shares

Purchase

62

110.0700 USD

$0.0001 ordinary shares

Purchase

100

110.1900 USD

$0.0001 ordinary shares

Purchase

100

110.0200 USD

$0.0001 ordinary shares

Purchase

113

110.2338 USD

$0.0001 ordinary shares

Purchase

134

110.1974 USD

$0.0001 ordinary shares

Purchase

194

110.1948 USD

$0.0001 ordinary shares

Purchase

200

110.2100 USD

$0.0001 ordinary shares

Purchase

233

110.2747 USD

$0.0001 ordinary shares

Purchase

243

110.2416 USD

$0.0001 ordinary shares

Purchase

247

110.4398 USD

$0.0001 ordinary shares

Purchase

295

110.2683 USD

$0.0001 ordinary shares

Purchase

300

110.1966 USD

$0.0001 ordinary shares

Purchase

300

110.2766 USD

$0.0001 ordinary shares

Purchase

335

110.2961 USD

$0.0001 ordinary shares

Purchase

356

110.2000 USD

$0.0001 ordinary shares

Purchase

403

110.3352 USD

$0.0001 ordinary shares

Purchase

526

110.2670 USD

$0.0001 ordinary shares

Purchase

719

110.1857 USD

$0.0001 ordinary shares

Purchase

731

110.2439 USD

$0.0001 ordinary shares

Purchase

761

110.2348 USD

$0.0001 ordinary shares

Purchase

792

110.2470 USD

$0.0001 ordinary shares

Purchase

822

110.3347 USD

$0.0001 ordinary shares

Purchase

960

110.2500 USD

$0.0001 ordinary shares

Purchase

1,238

110.3012 USD

$0.0001 ordinary shares

Purchase

1,300

110.3202 USD

$0.0001 ordinary shares

Purchase

1,447

110.2851 USD

$0.0001 ordinary shares

Purchase

1,502

110.2594 USD

$0.0001 ordinary shares

Purchase

1,732

110.4319 USD

$0.0001 ordinary shares

Purchase

2,654

110.3295 USD

$0.0001 ordinary shares

Purchase

3,197

110.1925 USD

$0.0001 ordinary shares

Purchase

3,480

110.2868 USD

$0.0001 ordinary shares

Purchase

22,621

110.4901 USD

$0.0001 ordinary shares

Purchase

30,271

110.3286 USD

$0.0001 ordinary shares

Purchase

58,021

110.5300 USD

$0.0001 ordinary shares

Sale

2

110.0500 USD

$0.0001 ordinary shares

Sale

30

110.3890 USD

$0.0001 ordinary shares

Sale

71

110.2000 USD

$0.0001 ordinary shares

Sale

79

110.2200 USD

$0.0001 ordinary shares

Sale

84

110.3721 USD

$0.0001 ordinary shares

Sale

100

110.2900 USD

$0.0001 ordinary shares

Sale

162

110.3635 USD

$0.0001 ordinary shares

Sale

164

110.0407 USD

$0.0001 ordinary shares

Sale

189

110.3406 USD

$0.0001 ordinary shares

Sale

200

110.3800 USD

$0.0001 ordinary shares

Sale

300

110.5166 USD

$0.0001 ordinary shares

Sale

337

110.2592 USD

$0.0001 ordinary shares

Sale

400

110.2925 USD

$0.0001 ordinary shares

Sale

492

110.3519 USD

$0.0001 ordinary shares

Sale

567

110.2839 USD

$0.0001 ordinary shares

Sale

600

110.2150 USD

$0.0001 ordinary shares

Sale

921

110.4155 USD

$0.0001 ordinary shares

Sale

960

110.2500 USD

$0.0001 ordinary shares

Sale

1,114

110.4344 USD

$0.0001 ordinary shares

Sale

1,440

110.2906 USD

$0.0001 ordinary shares

Sale

1,920

110.4744 USD

$0.0001 ordinary shares

Sale

2,089

110.2695 USD

$0.0001 ordinary shares

Sale

2,095

110.3508 USD

$0.0001 ordinary shares

Sale

3,000

110.3172 USD

$0.0001 ordinary shares

Sale

5,000

110.1925 USD

$0.0001 ordinary shares

Sale

28,211

110.3236 USD

$0.0001 ordinary shares

Sale

28,490

110.4402 USD

$0.0001 ordinary shares

Sale

57,433

110.5300 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:

27 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

150,000

090

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

-10,200

100

American

18 Aug 2023

$0.0001 ordinary shares

Put Options

Purchased

-90,000

090

American

21 Jul 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