Barclays Regulatory News (BARC)

FORM 8.3 Amendment to Purchase

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

26 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 

1,078,546

0.47%

588,580

0.26%

(2)

Derivatives (other than options):

53,580

0.02%

9,758

0.00%

(3)

Options and agreements to purchase/sell:

1,422,500

0.62%

1,185,400

0.52%

TOTAL:

2,554,626

1.12%

1,783,738

0.78%

(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

6

99.5200 USD

$0.001 ordinary shares

Purchase

17

99.6600 USD

$0.001 ordinary shares

Purchase

31

99.4950 USD

$0.001 ordinary shares

Purchase

100

99.4300 USD

$0.001 ordinary shares

Purchase

100

100.0350 USD

$0.001 ordinary shares

Purchase

100

100.0200 USD

$0.001 ordinary shares

Purchase

123

99.4251 USD

$0.001 ordinary shares

Purchase

135

99.6100 USD

$0.001 ordinary shares

Purchase

150

100.0400 USD

$0.001 ordinary shares

Purchase

150

100.0333 USD

$0.001 ordinary shares

Purchase

194

99.3552 USD

$0.001 ordinary shares

Purchase

237

100.0331 USD

$0.001 ordinary shares

Purchase

277

99.4242 USD

$0.001 ordinary shares

Purchase

400

99.4537 USD

$0.001 ordinary shares

Purchase

650

100.0376 USD

$0.001 ordinary shares

Purchase

653

100.0431 USD

$0.001 ordinary shares

Purchase

1,090

100.0473 USD

$0.001 ordinary shares

Purchase

1,691

99.5650 USD

$0.001 ordinary shares

Purchase

1,798

99.5000 USD

$0.001 ordinary shares

Purchase

2,081

99.7298 USD

$0.001 ordinary shares

Purchase

3,653

99.7402 USD

$0.001 ordinary shares

Purchase

8,120

99.5391 USD

$0.001 ordinary shares

Purchase

14,383

99.5742 USD

$0.001 ordinary shares

Purchase

22,778

99.6321 USD

$0.001 ordinary shares

Purchase

31,557

99.7764 USD

$0.001 ordinary shares

Purchase

48,202

99.5500 USD

$0.001 ordinary shares

Purchase

68,000

99.5362 USD

$0.001 ordinary shares

Purchase

76,181

99.6177 USD

$0.001 ordinary shares

Sale

3

99.9200 USD

$0.001 ordinary shares

Sale

17

99.5435 USD

$0.001 ordinary shares

Sale

100

99.5500 USD

$0.001 ordinary shares

Sale

100

99.5300 USD

$0.001 ordinary shares

Sale

103

99.5047 USD

$0.001 ordinary shares

Sale

108

99.5238 USD

$0.001 ordinary shares

Sale

126

99.4987 USD

$0.001 ordinary shares

Sale

155

99.6100 USD

$0.001 ordinary shares

Sale

200

99.7050 USD

$0.001 ordinary shares

Sale

237

99.5341 USD

$0.001 ordinary shares

Sale

269

99.4732 USD

$0.001 ordinary shares

Sale

299

99.7594 USD

$0.001 ordinary shares

Sale

300

99.8700 USD

$0.001 ordinary shares

Sale

300

99.5133 USD

$0.001 ordinary shares

Sale

304

99.5200 USD

$0.001 ordinary shares

Sale

349

99.5100 USD

$0.001 ordinary shares

Sale

351

99.5377 USD

$0.001 ordinary shares

Sale

400

99.6575 USD

$0.001 ordinary shares

Sale

509

99.6745 USD

$0.001 ordinary shares

Sale

550

99.6033 USD

$0.001 ordinary shares

Sale

583

99.5158 USD

$0.001 ordinary shares

Sale

600

99.7033 USD

$0.001 ordinary shares

Sale

600

99.7433 USD

$0.001 ordinary shares

Sale

644

99.5291 USD

$0.001 ordinary shares

Sale

655

99.8302 USD

$0.001 ordinary shares

Sale

700

99.7264 USD

$0.001 ordinary shares

Sale

717

99.7037 USD

$0.001 ordinary shares

Sale

752

99.5800 USD

$0.001 ordinary shares

Sale

753

99.6590 USD

$0.001 ordinary shares

Sale

857

99.6416 USD

$0.001 ordinary shares

Sale

1,000

99.4273 USD

$0.001 ordinary shares

Sale

1,291

99.5115 USD

$0.001 ordinary shares

Sale

1,299

99.4985 USD

$0.001 ordinary shares

Sale

1,325

99.4874 USD

$0.001 ordinary shares

Sale

1,433

99.5036 USD

$0.001 ordinary shares

Sale

1,655

99.7670 USD

$0.001 ordinary shares

Sale

1,791

99.7596 USD

$0.001 ordinary shares

Sale

1,836

99.8072 USD

$0.001 ordinary shares

Sale

2,239

99.7927 USD

$0.001 ordinary shares

Sale

3,441

99.8023 USD

$0.001 ordinary shares

Sale

4,139

99.4920 USD

$0.001 ordinary shares

Sale

5,637

99.8067 USD

$0.001 ordinary shares

Sale

6,870

99.6137 USD

$0.001 ordinary shares

Sale

9,959

99.5070 USD

$0.001 ordinary shares

Sale

12,484

99.7705 USD

$0.001 ordinary shares

Sale

15,974

99.5747 USD

$0.001 ordinary shares

Sale

25,908

99.6815 USD

$0.001 ordinary shares

Sale

31,566

99.6201 USD

$0.001 ordinary shares

Sale

42,367

99.6162 USD

$0.001 ordinary shares

Sale

49,002

99.5489 USD

$0.001 ordinary shares

Sale

50,000

99.5482 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:

30 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

250,000

105

American

16 Jun 2023

$0.001 ordinary shares

Put Options

Written

10,200

080

American

18 Aug 2023

$0.001 ordinary shares

Call Options

Written

-2,600

100

American

18 Aug 2023

$0.001 ordinary shares

Call Options

Written

-2,000

100

American

21 Jul 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

-106,800

090

American

21 Jul 2023

$0.001 ordinary shares

Put Options

Purchased

-10,200

100

American

18 Aug 2023

$0.001 ordinary shares

Call Options

Written

-10,000

105

American

16 Jun 2023