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, 2013

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

$0.001 ordinary shares

dealings being disclosed relate (Note 2)

Date of dealing

07 Jun 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

1,071,594

0.47%

676,045

0.30%

(2) Derivatives (other than options)

140,756

0.06%

98,064

0.04%

(3) Options and agreements to purchase/sell

1,420,000

0.62%

936,400

0.41%

TOTAL:

2,632,350

1.15%

1,710,509

0.75%

(b) Interests and short positions in relevant securities of the company,

other than the class dealt in (Note 3))

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) Purchases and sales

Class of relevant Security

Purchase/sale

Number of relevant securities

Price per unit(Note 5)

$0.001 ordinary shares

Purchase

4

99.9700 USD

$0.001 ordinary shares

Purchase

12

99.6200 USD

$0.001 ordinary shares

Purchase

100

99.7700 USD

$0.001 ordinary shares

Purchase

183

99.6721 USD

$0.001 ordinary shares

Purchase

208

100.0011 USD

$0.001 ordinary shares

Purchase

591

99.7697 USD

$0.001 ordinary shares

Purchase

625

99.7944 USD

$0.001 ordinary shares

Purchase

1,604

99.8086 USD

$0.001 ordinary shares

Purchase

2,073

99.6980 USD

$0.001 ordinary shares

Purchase

3,349

99.4495 USD

$0.001 ordinary shares

Purchase

3,430

99.7522 USD

$0.001 ordinary shares

Purchase

3,538

99.6777 USD

$0.001 ordinary shares

Purchase

3,819

99.7583 USD

$0.001 ordinary shares

Purchase

5,912

99.4400 USD

$0.001 ordinary shares

Purchase

9,526

99.6036 USD

$0.001 ordinary shares

Purchase

18,131

99.5307 USD

$0.001 ordinary shares

Sale

4

99.9700 USD

$0.001 ordinary shares

Sale

15

99.8266 USD

$0.001 ordinary shares

Sale

47

99.8600 USD

$0.001 ordinary shares

Sale

100

99.9350 USD

$0.001 ordinary shares

Sale

100

99.4100 USD

$0.001 ordinary shares

Sale

200

100.0100 USD

$0.001 ordinary shares

Sale

384

99.8183 USD

$0.001 ordinary shares

Sale

854

99.7719 USD

$0.001 ordinary shares

Sale

1,088

99.5147 USD

$0.001 ordinary shares

Sale

1,317

99.6680 USD

$0.001 ordinary shares

Sale

1,887

99.6843 USD

$0.001 ordinary shares

Sale

1,932

99.8305 USD

$0.001 ordinary shares

Sale

2,865

99.7536 USD

$0.001 ordinary shares

Sale

8,391

99.6137 USD

$0.001 ordinary shares

Sale

8,736

99.4400 USD

$0.001 ordinary shares

Sale

24,224

99.5785 USD

(b) Derivatives transactions (other than options transactions)

Product name

Nature of transaction (Note 6)

Number of relevant securities (Note 7)

Price per unit(Note 5)

(c) Options transactions in respect of existing relevant securities

(i) Writing, selling, purchasing or varying

Class of

Product name

Writing, selling,

Number of securities

Exercise price

Type

Expiry date

Option money

relevant security

purchasing,

to which the option

paid/received

varying etc.

relates (Note 7)

per unit (Note 5)

(ii) Exercising

Product name

Number of

Exercise price per

securities

unit (Note 5)

(d) Other dealings (including transactions in respect of new securities) (Note 4)

Nature of transaction

Details

Price per unit

(Note 8)

(if applicable) (Note 5)

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 attached? (Note 9)

YES

Date of disclosure:

08 Jun 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 (Note 10)

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

Product Description

Writing, selling,

Number of securities

Exercise price

Type

Expiry date

relevant security

purchasing,

to which the option

per unit

varying etc.

relates

$0.001 ordinary shares

Put Options

Written

495,500

100.0000

American

16 Jun 2023

$0.001 ordinary shares

Put Options

Written

28,800

95.0000

American

21 Jul 2023

$0.001 ordinary shares

Call Options

Written

-10,600

105.0000

American

18 Aug 2023

$0.001 ordinary shares

Put Options

Written

2,000

85.0000

American

21 Jul 2023

$0.001 ordinary shares

Put Options

Purchased

-250,000

80.0000

American

16 Jun 2023

$0.001 ordinary shares

Put Options

Written

10,200

80.0000

American

18 Aug 2023

$0.001 ordinary shares

Put Options

Written

247,500

105.0000

American

16 Jun 2023

$0.001 ordinary shares

Call Options

Written

-2,000

100.0000

American

21 Jul 2023

$0.001 ordinary shares

Call Options

Written

-2,600

100.0000

American

18 Aug 2023

$0.001 ordinary shares

Put Options

Written

400,000

100.0000

American

18 Aug 2023

$0.001 ordinary shares

Put Options

Written

74,000

90.0000

American

15 Sep 2023

$0.001 ordinary shares

Put Options

Purchased

-544,200

80.0000

American

18 Aug 2023

$0.001 ordinary shares

Put Options

Written

162,000

105.0000

American

21 Jul 2023

$0.001 ordinary shares

Call Options

Written

-10,000

105.0000

American

16 Jun 2023

$0.001 ordinary shares

Put Options

Purchased

-106,800

90.0000

American

21 Jul 2023

$0.001 ordinary shares

Put Options

Purchased

-10,200

100.0000

American

18 Aug 2023