Melqart Asset Administration UK Regulatory Announcement: Kind 8.3 – KAZ Minerals plc

FORM 8.3 DISCLOSURE OF THE PUBLIC OPENING ITEM / DISCLOSURE OF TRADING OF A PERSON WITH INTERESTS IN RELEVANT SECURITIES WHO REPRESENT 1% OR MORE Rule 8.3 of the Takeover Code (the “Code”)

1

KEY INFORMATION (a) Full name of the discloser: MELQART ASSET MANAGEMENT (UK) LTD (b) Disclosed owner or controller of interests and short positions, if different from 1 (a):

N / A

The naming of nominee or vehicle companies is insufficient. For a trust, the trustee (s), the settlor and the beneficiaries must be named. (c) Name of the provider / recipient for whose relevant securities this form relates: KAZ Minerals plc Use a separate form for each provider / referee (d) If an exempt fund manager is associated with a provider / provider, please indicate this and provide the identity of the provider / provider:

N / A

(e) Date of the position held / executed: March 22, 2021 For a disclosure of the opening position, please indicate the latest practicable date before the disclosure (f) In addition to the Company in 1 (c) above, does the Discloser provide information regarding another party to the Offer? NO If it is a cash offer or a potential cash offer, indicate “N / A”. If YES, please indicate which:

2

POSITIONS OF THE PERSON MAKING THE DISCLOSURE If there are positions or rights to subscribe that should be disclosed in more than one class of relevant securities of the offeror or offerer identified in 1 (c), copy Table 2 (a) or (b) (as appropriate) for each additional relevant class security. (on) Holdings and short positions in the relevant securities of the vendor or vendor to which the post-trade disclosure relates (if any) Relevant security class: 20p usually Interests Short positions number %. number %. (1) Relevant securities owned and / or controlled: (2) Derivatives with cash settlement:

5,241,495

1.11%

(3) Equity derivatives (including options) and purchase / sale agreements: TOTAL:

5,241,495

1.11%

All interests and all short positions should be disclosed. Details of any open equity settlement derivative positions (including traded options) or agreements to buy or sell relevant securities should be provided on a supplementary Form 8 (Open Positions). (b) Rights to subscribe to new securities (including options for directors and other employees) Class of relevant collateral for which a subscription right exists: Details, including the type of rights affected and relevant percentages:

3

TRADE (IF EQUIPPED) BY THE PERSON MAKING THE DISCLOSURE If more than one class of relevant securities of the seller or offerer named in 1 (c) has been traded, copy Table 3 (a), (b), (c) or (d) (as appropriate) for each additional class of the relevant collateral. The currency of all prices and other amounts of money must be specified. (on) Purchases and sales Class of relevant security Buy / Sell Number of securities Price per unit (GBp) (b) Derivative transactions with cash settlement Class of relevant security Product description Type of trade Number of reference papers Price per unit (GBp) e.g. CFD eg opening / closing a long / short position, increasing / decreasing a long / short position

20p usually

CFD

increase a long position

147.794

827.30

20p usually

CFD

increase a long position

3.159

827.40

(c) Equity-settled derivatives transactions (including options) (I) Write, sell, buy or vary Class of relevant security Product description e.g. call option Write, buy, sell, vary etc. Number of securities to which the option relates Exercise price per unit Art Expiration date Option money paid / received per unit e.g. Americans, Europeans etc. (ii) exercise Class of relevant security Product description Exercise / exercise against Number of securities Exercise price per unit e.g. call option (d) Other transactions (including subscription of new securities) Class of relevant security Type of trade details Price per unit (if applicable) e.g. subscription, conversion

4th

OTHER INFORMATION (on) Compensation and Other Trade Agreements Details of any indemnity or option agreements or formal or informal agreements or understandings in relation to relevant securities that may provide an incentive to trade or to forego business made by the person making the disclosure and any party to the offer or any Person concluded to act jointly 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 Details of any formal or informal agreement, arrangement, or arrangement between the person making the disclosure and another person relating to: (i) the voting rights of relevant securities under an option; or (ii) the voting rights or the future acquisition or disposal of relevant securities to which a derivative relates: If there are no such agreements, arrangements, or understandings, state “none”. None (c) Attachments Has an additional form 8 (open positions) been attached? NO Disclosure date: March 23, 2021 Contact name: Ben Sharp Phone number: +44 (0) 20 3826 4493 Public notices in accordance with Rule 8 of the Code must be made to a Regulatory Information Service. The body’s market surveillance unit is available for consultation on the disclosure requirements of the Code on +44 (0) 20 7638 0129. The code can be viewed on the panel’s website at www.thetakeoverpanel.org.uk.