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FORM 8.3

IRISH TAKEOVER PANEL

OPENING POSITION DISCLOSURE/DEALING DISCLOSURE UNDER RULE 8.3 OF THE IRISH TAKEOVER PANEL ACT, 1997, TAKEOVER

RULES, 2022 BY PERSONS WITH INTERESTS IN RELEVANT SECURITIES REPRESENTING 1% OR MORE

1.             KEY INFORMATION

(a)   Full name of discloser HBK Investments L.P. on behalf of itself, its subadvisors and its managed funds
(b)   Owner or controller of interests and short positions disclosed, if different from 1(a)
The naming of nominee or vehicle companies is insufficient. For a trust, the trustee(s), settlor and beneficiaries must be named.
N/A
(c)   Name of offeror/offeree in relation to whose relevant securities this form relates
Use a separate form for each offeror/offeree
Horizon Therapeutics Plc
(d)   If an exempt fund manager connected with an offeror/offeree, state this and specify identity of offeror/offeree (Note 1)
(e)   Date position held/dealing undertaken
For an opening position disclosure, state the latest practicable date prior to the disclosure
1 February 2023
(f)    In addition to the company in 1(c) above, is the discloser also making disclosures in respect of any other party to the offer?
If it is a cash offer or possible cash offer, state “N/A”
N/A

2.             INTERESTS AND SHORT POSITIONS

If there are interests and short positions to disclose in more than one class of relevant securities of the offeror or offeree named in 1(c), copy table 2 for each additional class of relevant security.

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Interests and short positions in the relevant securities of the offeror or offeree to which the disclosure relates following the dealing (if any)

(Note 2)

Class of relevant security
(Note 3)
$0.0001 ordinary shares
InterestsShort positions
Number%Number%
(1)   Relevant securities owned and/or controlled 5,900,000 2.58%
(2)   Cash-settled derivatives
(3)   Stock-settled derivatives (including options) and agreements to purchase/ sell 288,800 0.13% 125,000 0.05%
Total 6,188,800 2.71% 125,000 0.05%

All interests and all short positions should be disclosed.

Details of options including rights to subscribe for new securities and any open stock-settled derivative positions (including traded options), or agreements to purchase or sell relevant securities, should be given on a Supplemental Form 8.

3.             DEALINGS (IF ANY) BY THE PERSON MAKING THE DISCLOSURE (Note 4)

Where there have been dealings in more than one class of relevant securities of the offeror or offeree named in 1(c), copy table 3(a), (b), (c) or (d) (as appropriate) for each additional class of relevant security dealt in.

The currency of all prices and other monetary amounts should be stated.

(a)           Purchases and sales

Class of relevant
security
Purchase/saleNumber of
securities
Price per unit
(Note 5)

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(b)           Cash-settled derivative transactions

Class of
relevant
security
Product
description
e.g. CFD
Nature of dealing
e.g. opening/ closing a long/ short position, increasing/ reducing a long/ short position
Number of
reference
securities
(Note 6)
Price
per unit
(Note 5)

(c)           Stock-settled derivative transactions (including options)

(i)            Writing, selling, purchasing or varying

Class of
relevant
security
Product
description e.g. call
option
Writing, purchasing, selling, varying
etc.
Number
of
securities
to which
option
relates
(Note 6)
Exercise
price per

unit
Type
e.g.
American,
European
etc.
Expiry
date
Option
money
paid/

received per unit
$0.0001 ordinary shares Put Option Writing 41,100 USD 109 American 17 February 2023 USD 0.2281
$0.0001 ordinary shares Put Option Writing 47,700 USD 109 American 17 February 2023 USD 0.2282
$0.0001 ordinary shares Put Option Writing 100,000 USD 109 American 17 February 2023 USD 0.25
$0.0001 ordinary shares Call Option Writing 25,000 USD 112 American 17 February 2023 USD 0.1628
$0.0001 ordinary shares Call Option Writing 100,000 USD 112 American 17 February 2023 USD 0.25

(ii)           Exercise

Class of
relevant
security
Product
description
e.g. call
option
Exercising/
exercised
against
Number of
securities
Exercise
price per
unit
(Note 5)
  

(d)           Other dealings (including transactions in respect of new securities) (Note 3)

Class of
relevant
security
Nature of dealing
e.g. subscription,
conversion, exercise
DetailsPrice per unit (if
applicable)
(Note 5)

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4.             OTHER INFORMATION

(a)           Indemnity and other dealing arrangements

Details of any indemnity or option arrangement, or any agreement or understanding, formal or informal, relating to relevant securities which may be an inducement to deal or refrain from dealing entered into by the person making the disclosure and any party to the offer or any person acting in concert with a party to the offer.
Irrevocable commitments and letters of intent should not be included. If there are no such agreements, arrangements or understandings, state “none”
 None

(b)           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

(c)           Attachments

Is a Supplemental Form 8 attached?Yes

   

Date of disclosure 2 February 2023
Contact name Jonathan Brown
Telephone number +44 (0)20 7659 1906

Public disclosures under Rule 8.3 of the Rules must be made to a Regulatory Information Service.

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SUPPLEMENTAL FORM 8

IRISH TAKEOVER PANEL

DISCLOSURE UNDER RULE 8.1, RULE 8.3, RULE 38.5(b) AND
RULE 38.6 OF THE IRISH TAKEOVER PANEL ACT, 1997,
TAKEOVER RULES, 2022

DETAILS OF OPEN STOCK-SETTLED DERIVATIVE (INCLUDING
OPTION) POSITIONS, AGREEMENTS TO PURCHASE OR SELL AND
RIGHTS TO SUBSCRIBE FOR NEW SECURITIES

1.             KEY INFORMATION

Full name of person making
disclosure:
HBK Investments L.P. on behalf of itself, its subadvisors and its managed funds
Name of offeror/offeree in relation
to whose relevant securities the
disclosure relates:
Horizon Therapeutics Plc

2.             STOCK-SETTLED DERIVATIVES (INCLUDING OPTIONS)

Class of
relevant
security
Product
description
e.g. call
option
Written or
purchased
Number of
securities to
which option
or derivative

relates
Exercise
price
per unit
Type
e.g.
American,
European
etc.
Expiry
date
$0.0001 ordinary shares  Put option Written 53,700 USD 109 American 17 February 2023
$0.0001 ordinary shares  Put option Written 46,300 USD 109 American 17 February 2023
$0.0001 ordinary shares  Put option Written 41,100 USD 109 American 17 February 2023
$0.0001 ordinary shares  Put option Written 47,700 USD 109 American 17 February 2023
$0.0001 ordinary shares  Put option Written 100,000 USD 109 American 17 February 2023
$0.0001 ordinary shares  Call option Written 25,000 USD 112 American 17 February 2023
$0.0001 ordinary shares  Call option Written 100,000 USD 112 American 17 February 2023

3.             AGREEMENTS TO PURCHASE OR SELL

Full details should be given so that the nature of the interest or position can be fully understood:

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4.             RIGHTS TO SUBSCRIBE FOR NEW SECURITIES (INCLUDING DIRECTORS’ AND OTHER EMPLOYEE OPTIONS)

Class of relevant security in relation to which subscription right exists:
Details, including nature of the rights concerned and relevant percentages:

It is not necessary to provide details on a Supplemental Form with regard to cash-settled derivatives.

The currency of all prices and other monetary amounts should be stated.

For full details of disclosure requirements, see Rule 8 of the Rules. If in doubt, consult the Panel.

References in these notes to “the Rules” are to the Irish Takeover Panel Act, 1997, Takeover Rules, 2022.