Melqart Asset Management UK Regulatory Announcement: Form 8.3 – Ideagen plc

FORM 8.3 DISCLOSURE OF OPEN POSITION TO THE PUBLIC / DISCLOSURE OF OPERATIONS BY A PERSON HOLDING AN INTEREST IN RELEVANT SECURITIES REPRESENTING 1% OR MORE Rule 8.3 of the Takeover Code (the “Code”)

1

KEY INFORMATION (a) Full Name of Discloser:

MELQART ASSET MANAGEMENT (UK) LTD

(b) Owner or control of interests and short positions disclosed, if different from 1(a):

N / A

The designation of nominees or vehicle companies is insufficient. For a trust, the trustee(s), settlor and beneficiaries must be named. (c) Name of offeror/offeree in relation to the securities concerned by this form:

Ideagen plc

Use a separate form for each offeror/participant (d) If an exempt fund manager is related to an offeror/beneficiary, state this and provide the identity of the offeror/beneficiary:

N / A

(e) Date Position Held/Bargaining Started:

May 09, 2022

For an open position disclosure, indicate the last practicable date before disclosure (f) In addition to the company mentioned in 1(c) above, does the discloser make disclosures regarding any other party to the offer?

NOPE

If it is a cash offer or a possible cash offer, indicate “N/A”

If YES, specify which ones:

2

POSITIONS OF THE PERSON MAKING THE DISCLOSURE If there are positions or subscription rights to be disclosed in more than one class of relevant securities of the offeror or recipient named in 1(c), copy table 2(a) or (b) (depending on the case) for each additional category of relevant securities. Security. (a) Interests and short positions in relevant securities of the offeror or recipient to which the disclosure relates following the transaction (if any) Class of security concerned:

1p ordinary

Interests

Short positions

Number

%

Number

%

(1) Relevant securities held and/or controlled:

(2) Derivatives settled in cash:

3,275,000

1.11%

(3) Derivative instruments settled in shares (including options) and purchase/sale contracts:

TOTAL:

3,275,000

1.11%

All interests and short positions must be disclosed. Details of all open equity-settled derivative positions (including traded options) or agreements to buy or sell the relevant securities must be provided on Supplementary Form 8 (Open Positions). (b) Rights to subscribe for new securities (including options for directors and other employees) Class of securities concerned in relation to which a subscription right exists: Details, including the nature of the rights affected and the relevant percentages:

3

TRANSACTIONS (IF ANY) BY THE PERSON MAKING THE DISCLOSURE Where there have been transactions in more than one class of relevant securities of the originator or recipient named in 1(c), copy table 3(a), (b), (c) or (d) ) (as applicable) for each class of relevant securities traded. The currency of all prices and other monetary amounts must be stated. (a) Purchases and sales

Relevant security class

Buy Sell

Number of titles

Unit price (GBp)

(b) Cash-settled derivative transactions

Relevant security class

Product Description

Type of transaction

Number of reference titles

Unit price (GBp)

for example CFDs

e.g. open/close a long/short position, increase/decrease a long/short position

5p ordinary

CFDs

open a long position

2,875,000

356.87

5p ordinary

CFDs

increase a long position

50,000

356.00

5p ordinary

CFDs

increase a long position

350,000

356.00

(vs) Equity-settled derivative transactions (including options) (I) Write, sell, buy or vary Relevant security class Description of the product, e.g. purchase option Write, buy, sell, vary etc. Number of shares on which the option relates Strike price per share Type Expiration date Option amount paid/received per unit for example American, European, etc. (ii) Exercise Relevant security class Product Description Exercise / exercise against Number of titles Strike price per share for example call option (D) Other transactions (including subscription of new securities) Relevant security class Type of transaction Details Unit price (if applicable) e.g. subscription, conversion

4

OTHER INFORMATION (a) Indemnity and other business arrangements Details of any indemnification or option agreement, or any agreement or understanding, formal or informal, relating to the relevant securities which may be an inducement to trade or refrain from trading 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, indicate “none” Nothing (b) Agreements, Arrangements or Agreements Relating to Options or Derivatives Details of any agreement, arrangement or understanding, formal or informal, between the person making the disclosure and any other person regarding: (i) the voting rights of any relevant security under any option; or (ii) voting rights or the future acquisition or disposal of any relevant security to which any derivative is referenced: If there are no such agreements, arrangements or understandings, indicate “none” Nothing (vs) Attachments Is an additional form 8 (open positions) attached? NOPE Disclosure date:

May 10, 2022

Name of the contact:

Ben Sharp

Phone number:

+44 (0)20 3826 4493

Public disclosures under rule 8 of the code must be made to a regulatory information service. The Panel’s Market Surveillance Unit can be consulted about the Code’s disclosure requirements on +44 (0)20 7638 0129. The Code can be viewed on the Panel’s website at www.thetakeoverpanel.org.uk.