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

27 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 

1,425,739

0.62%

378,538

0.17%

(2)

Derivatives (other than options):

53,770

0.02%

0

0.00%

(3)

Options and agreements to purchase/sell:

1,217,700

0.53%

997,200

0.44%

TOTAL:

2,697,209

1.18%

1,375,738

0.60%

(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

110.4350 USD

$0.0001 ordinary shares

Purchase

100

110.7700 USD

$0.0001 ordinary shares

Purchase

100

110.8000 USD

$0.0001 ordinary shares

Purchase

151

110.8478 USD

$0.0001 ordinary shares

Purchase

300

110.7033 USD

$0.0001 ordinary shares

Purchase

1,016

110.7977 USD

$0.0001 ordinary shares

Purchase

1,101

110.8532 USD

$0.0001 ordinary shares

Purchase

1,345

110.9210 USD

$0.0001 ordinary shares

Purchase

1,441

110.7854 USD

$0.0001 ordinary shares

Purchase

1,451

110.7825 USD

$0.0001 ordinary shares

Purchase

3,024

110.7786 USD

$0.0001 ordinary shares

Purchase

4,335

110.7202 USD

$0.0001 ordinary shares

Purchase

8,221

110.9756 USD

$0.0001 ordinary shares

Purchase

14,602

111.0300 USD

$0.0001 ordinary shares

Purchase

20,009

110.8597 USD

$0.0001 ordinary shares

Purchase

53,000

110.5300 USD

$0.0001 ordinary shares

Sale

1

110.7700 USD

$0.0001 ordinary shares

Sale

1

110.4350 USD

$0.0001 ordinary shares

Sale

2

110.5600 USD

$0.0001 ordinary shares

Sale

2

111.0000 USD

$0.0001 ordinary shares

Sale

4

110.6550 USD

$0.0001 ordinary shares

Sale

5

110.6620 USD

$0.0001 ordinary shares

Sale

6

110.6533 USD

$0.0001 ordinary shares

Sale

7

110.6742 USD

$0.0001 ordinary shares

Sale

8

110.7525 USD

$0.0001 ordinary shares

Sale

9

110.7622 USD

$0.0001 ordinary shares

Sale

11

110.8818 USD

$0.0001 ordinary shares

Sale

13

110.6561 USD

$0.0001 ordinary shares

Sale

18

110.7822 USD

$0.0001 ordinary shares

Sale

22

110.7891 USD

$0.0001 ordinary shares

Sale

35

110.8297 USD

$0.0001 ordinary shares

Sale

40

110.8150 USD

$0.0001 ordinary shares

Sale

106

110.7620 USD

$0.0001 ordinary shares

Sale

147

110.7242 USD

$0.0001 ordinary shares

Sale

200

110.7000 USD

$0.0001 ordinary shares

Sale

207

110.8648 USD

$0.0001 ordinary shares

Sale

210

111.0775 USD

$0.0001 ordinary shares

Sale

268

110.7005 USD

$0.0001 ordinary shares

Sale

440

110.7984 USD

$0.0001 ordinary shares

Sale

575

110.7769 USD

$0.0001 ordinary shares

Sale

800

110.7402 USD

$0.0001 ordinary shares

Sale

1,000

110.7340 USD

$0.0001 ordinary shares

Sale

1,240

110.7328 USD

$0.0001 ordinary shares

Sale

1,867

110.7404 USD

$0.0001 ordinary shares

Sale

2,189

110.7807 USD

$0.0001 ordinary shares

Sale

4,335

110.7202 USD

$0.0001 ordinary shares

Sale

6,076

110.7380 USD

$0.0001 ordinary shares

Sale

10,518

110.9605 USD

$0.0001 ordinary shares

Sale

10,720

110.7353 USD

$0.0001 ordinary shares

Sale

11,945

110.7289 USD

$0.0001 ordinary shares

Sale

14,602

111.0300 USD

$0.0001 ordinary shares

Sale

17,568

110.8772 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

$0.0001 ordinary shares

Put Options

Selling

72,000

105.0000 USD

American

21 Jul 2023

2.8500 USD

$0.0001 ordinary shares

Put Options

Purchasing

72,000

90.0000 USD

American

21 Jul 2023

1.1000 USD

(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:

28 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

-162,000

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

Purchased

-10,200

100

American

18 Aug 2023

$0.0001 ordinary shares

Put Options

Written

162,000

105

American

21 Jul 2023