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ZTEK 6-K/A

Zentek Ltd. (ZTEK)

6-K/A 2025-09-11 For: 2025-09-25
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Added on August 22, 2026

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K/A

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

OF THE SECURITIES EXCHANGE ACT OF 1934

For the month of September 2025

Commission File Number: **** 001-41310

ZENTEK LTD.

(Registrant)

24 Corporate Court

Guelph, Ontario N1G 5G5 Canada

(Address of Principal Executive Offices)

Indicate by check mark whether the Registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F  ☐            Form 40-F  ☒

Indicate by check mark if the Registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):  ☐

Indicate by check mark if the Registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):  ☐

EXPLANATORY NOTE

This Amendment No. 1 to the report on Form 6-K (“Report on Form 6-K/A”) originally furnished to the U.S. Securities and Exchange Commission on August 25, 2025 (the "Initial Report"), is being furnished in order to provide a revised draft of Zentek Ltd.'s (the "Company") form of proxy and a revised draft of the Company’s voting instruction form. In addition, the Company is also providing a letter to shareholders and a management information circular supplement. A press release that the Company issued on September 10, 2025 is also included herein.

INFORMATION CONTAINED IN THIS FORM 6-K REPORT

Explanatory Note

On August 25, 2025, the Company distributed a notice of meeting and management information circular (the “Notice of Meeting and Management Information Circular”) and certain other related materials, by way of notice and access (the “Notice and Access”) to its shareholders of record as of August 8, 2025 (the "Meeting Materials") in connection with its 2025 Annual and Special Meeting of Shareholders to be held on September 25, 2025. The Meeting Materials were filed as exhibits to the Initial Report on Form 6-K.

On September 10, 2025, the Company filed on SEDAR+ a supplement management information circular, a letter to shareholders, and issued a press release in connection with its 2025 Annual and Special Meeting of Shareholders to be held on September 25, 2025 (the “Additional Meeting Materials”). The Additional Meeting Materials are included as Exhibits 99.5-99.7 to this Report on Form 6-K/A.

On September 10, 2025, the Company also filed on SEDAR+ an amended form of proxy in connection with its 2025 Annual and Special Meeting of Shareholders to be held on September 25, 2025 (the "Amended Meeting Material"). The Amended Meeting Material is included as Exhibit 99.2 to this Report on Form 6-K/A. An amended Voting Instruction Form is also included herein as Exhibit 99.3.

The Notice of Meeting and Management Information Circular dated August 15, 2025 and Notice and Access that were both furnished to the Securities and Exchange Commission on August 25, 20235 are also included herein as Exhibits 99.1 and 99.4.

Exhibits 99.1 and 99.6 included with this Report on Form 6-K is hereby incorporated by reference into the Company's Registration Statement on Form F-3 (File No. 333-278886) and shall be deemed to be a part thereof from the date on which this report on Form 6-K is furnished, to the extent not superseded by documents or reports subsequently filed or furnished.

SIGNATURES


Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

ZENTEK LTD.
(Registrant)
Date: September 10, 2025 By /s/ Wendy Ford
Wendy Ford
Chief Financial Officer

EXHIBIT INDEX

Exhibit Description of Exhibit
99.1 Notice of Meeting and Management Information Circular dated August 15, 2025 (incorporated by reference to Exhibit 99.1 to the Form 6-K (File No. 001-41310) as furnished to the Securities and Exchange Commission on August 25, 2025)
99.2 Form of Proxy
99.3 Voting Instruction Form
99.4 Notice and Access (incorporated by reference to Exhibit 99.4 to the Form 6-K (File No. 001-41310) as furnished to the Securities and Exchange Commission on August 25, 2025)
99.5 Letter to Shareholders
99.6 Management Information Circular Supplement
99.7 Press Release dated September 10, 2025 - Zentek Announces New Board Nominees
Zentek Ltd.: Exhibit 99.2 - Filed by newsfilecorp.com

Zentek Ltd.: Exhibit 99.3 - Filed by newsfilecorp.com

Zentek Ltd.: Exhibit 99.5 - Filed by newsfilecorp.com

ZENTEK LTD.

LETTER TO SHAREHOLDERS

September 10, 2025

Dear shareholders of Zentek Ltd. (the "Corporation"):

Please note the following changes to the scheduled annual and special meeting (the "Meeting") of shareholders of the Corporation to be held on Thursday, September 25, 2025, at the hour of 11:00 a.m. (Eastern time):

  1. The Meeting will now be held at the office of Norton Rose Fulbright Canada LLP, at 222 Bay Street, Suite 3000, Toronto, Ontario M5K 1E7.

  2. Ilse Treurnicht, Lisa Sim and Wendy Ford will no longer be standing for election as directors at the Meeting, and Matt Fontes and Pete Gettinby have been added as new nominees of management (the "New Nominees"). At the Meeting, Eric Wallman, John Snisarenko, Matt Fontes and Pete Gettinby will be nominated by management for election as directors for the ensuing year.

Accompanying this letter is a supplement (the "Supplement") to the Company's Notice of Meeting and Management Information Circular dated August 15, 2025 (the "Circular"), which modifies and supplements the Circular and in which information regarding the New Nominees can be found, as well as updated voting instructions.

Over the past twelve months, and even more so recently, we have heard from shareholders concerned with the Corporation's progress and direction. Further to the Corporation's press releases dated July 11, 2025, and September 3, 2025, announcing intended changes to the Corporation's management and to the board of directors (the "Board"), the Corporation has taken these shareholder concerns seriously, and has acted to more rapidly transition the Board and management's focus from product development to commercialization. The current Board and management of the Corporation believe that the New Nominees will bolster the Corporation's efforts to get its products to market. Additionally, the Corporation's search for a successor Chief Executive Officer is well underway, with a view to retaining someone with significant expertise in the commercialization of specialized products.

The Board, based on its considerations and investigations, and taking into account the best interests of the Corporation and its stakeholders, recommends that the shareholders of the Corporation vote FOR the new slate of management nominees.

A shareholder wishing to be represented by proxy at the Meeting or any adjournment thereof must DISREGARD THE "WHITE" FORM OF PROXY OR VOTING INSTRUCTION FORM ("VIF") THAT WAS PROVIDED TO YOU WITH THE CIRCULAR, AS VOTING INSTRUCTIONS SUBMITTED USING THE "WHITE" FORM OF PROXY OR VIF WILL NOT BE COUNTED AT THE MEETING. A NEW "BLUE" FORM OF PROXY OR VIF IS BEING PROVIDED TO YOU WITH THE SUPPLEMENT. Shareholder wishing to be represented by proxy at the Meeting or any adjournment or postponement thereof must, in all cases, deposit the completed "BLUE" form of proxy or VIF in accordance with the instructions set out in the Supplement.

Shareholders are discouraged from attending the Meeting in person and are encouraged to vote on the matters before the Meeting by "BLUE" proxy or VIF in the manner set out in the Supplement. The Corporation intends to hold an information session, management presentation, and question and answer period once the new Chief Executive Officer of the Corporation is retained and announced. Therefore, the Corporation does not intend to hold any information session following the Meeting.

On behalf of the Board, I would like to express our gratitude for your ongoing support as well as raising your concerns.  We believe that this is a unique and transformative period for the Corporation, and we stand by our commitment to creating long-term value and unlocking growth potential for our shareholders.

Yours very truly,
"Eric Wallman"
Eric Wallman
Chairman
Zentek Ltd.: Exhibit 99.6 - Filed by newsfilecorp.com

ZENTEK LTD.

SUPPLEMENT TO MANAGEMENT INFORMATION CIRCULAR DATED AUGUST 15, 2025

ANNUAL AND SPECIAL MEETING OF SHAREHOLDERS TO BE HELD ON SEPTEMBER 25, 2025

Dated September 10, 2025

SUPPLEMENT TO MANAGEMENT INFORMATION CIRCULAR

This supplement (the "Supplement") modifies and supplements the Notice of Meeting and the Management Information Circular of Zentek Ltd. (the "Corporation") dated August 15, 2025 (the "Circular") and is being provided in connection with the annual general and special meeting of shareholders of the Corporation (the "Shareholders") scheduled to be held at 11:00 a.m. (Eastern time) on September 25, 2025 (the "Meeting"), or at any adjournment(s) or postponement(s) thereof. This Supplement shall form part of and be deemed to be included in the Circular. To the extent that any statement contained in this Supplement modifies, supplements or amends any statement contained in the Notice of Meeting or the Circular, such statement in the Notice of Meeting or Circular shall be deemed to be so modified, supplemented or amended. Any capitalized terms used but not defined in this Supplement shall have the meaning ascribed to such terms in the Circular.

This Supplement is being filed on SEDAR+ to inform the Shareholders of important changes to the location where the Meeting will be held and the business of the Meeting relating to the election of directors. Specifically:

  1. The Meeting will now be held at the office of Norton Rose Fulbright Canada LLP, at 222 Bay Street, Suite 3000, Toronto, Ontario M5K 1E7.

  2. On the election of directors, further to the announcements by the Corporation on September 3, 2025, and September 10, 2025, Ilse Treurnicht, Lisa Sim, and Wendy Ford will no longer be standing for election as directors at the Meeting, and Matt Fontes and Pete Gettinby have been added as new nominees of management (the "New Nominees"). At the Meeting, the four (4) Management Nominees (as defined below) will be nominated by management for election as directors for the ensuing year. See "Election of Directors" below for the list of the Management Nominees and information about the New Nominees.

Except as set forth in this Supplement, the Notice of Meeting and the Circular remain unchanged from the version distributed to shareholders and filed on SEDAR+.

Updated Meeting Details

PLEASE DISREGARD THE "WHITE" FORM OF PROXY OR VIF THAT WAS PROVIDED TO YOU WITH THE NOTICE OF MEETING AND CIRCULAR. A NEW "BLUE" FORM OF PROXY OR VIF IS BEING PROVIDED TO YOU WITH THIS SUPPLEMENT.

Voting instructions submitted using the "white" form of proxy or VIF will not be counted at the Meeting.  Registered Shareholders and Non-Registered Holders must re-submit voting instructions using the "BLUE" form of proxy or VIF, in order for their votes to be counted at the Meeting.

A Registered Shareholder wishing to be represented by proxy at the Meeting or any adjournment or postponement thereof must, in all cases, deposit the completed "BLUE" form of proxy with the Corporation's transfer agent and registrar, TSX Trust Company (the "Transfer Agent"), not later than 11:00 a.m. (Eastern time) on Tuesday, September 23, 2025, or, if the Meeting is adjourned, not later than 48 hours, excluding Saturdays, Sundays and holidays, preceding the time of such adjourned Meeting at which the form of proxy is to be used. A form of proxy should be executed by the Registered Shareholder or his or her attorney duly authorized in writing or, if the Registered Shareholder is a corporation, by an officer or attorney thereof duly authorized.

Completed "BLUE" forms of proxy may be deposited with the Transfer Agent using one of the following methods:

By Mail or Hand Delivery: TSX Trust Company<br> <br>100 Adelaide Street West, Suite 301, Toronto, Ontario M5H 4H1
By Fax: (416) 595-9593
By Internet: www.voteproxyonline.com<br> <br>You will need to provide your 12-digit control number (located on the "BLUE" form of proxy accompanying this Supplement).

A Non-Registered Holder wishing to be represented at the Meeting or any adjournment or postponement thereof, including any Non-Registered Holder who has previously given voting instructions using the "white" VIF, must contact their Intermediary and comply with any and all applicable requirements of such Intermediary.  In most cases, a Non-Registered Holder will receive the "BLUE" VIF from their Intermediary. If the Non-Registered Holder does not wish to attend and vote at the Meeting in person (or have another person attend and vote on the Non-Registered Holder's behalf), the "BLUE" VIF must be completed, signed and returned in accordance with the directions on the form.

Additional information on voting by Registered Shareholders and Non-Registered Holders can be found in the Circular, including under "Appointment and Revocation of Proxies" and "Advice to Non-Registered Shareholders".

If you have any questions about any of the information in the Supplement or require assistance in completing your "BLUE" form of proxy or VIF, please consult your financial, legal, tax and other professional advisors. Late proxies may be accepted or rejected by the Chairman of the Meeting at his discretion and the Chairman of the Meeting is under no obligation to accept or reject any particular late proxy. The time limit for deposit of proxies may be waived or extended by the Chairman of the Meeting at his discretion, without notice.

Election of Directors

At the Meeting, the following four (4) individuals will be nominated by management for election as directors for the ensuing year (the "Management Nominees"):

  1. Eric Wallman;

  2. John Snisarenko;

  3. Matt Fontes; and

  4. Pete Gettinby.

The following table sets forth details about the two (2) New Nominees. Details of the other two (2) Management Nominees can be found in the Circular under "Particulars of Matters to be Acted Upon - Election of Directors".

Name, province or stateand country ofresidence and position,if any, held in theCorporation Principal Occupation Served asDirector of theCorporationsince Number of CommonShares beneficiallyowned, directly orindirectly, or controlledor directed at present^(1)^ Percentage ofVoting SharesOwned orControlled
Matt Fontes<br>British Columbia, Canada<br><br> <br>Proposed Director Project Manager and Partner, Catalyst Custom Modular Ltd.<br><br> <br>Catalyst specializes in creating innovative, economical custom prefabricated modules utilizing modern building science to produce enduring products as efficiently as possible. Mr. Fontes has commissioned next generation HVAC systems on both site built and modular custom homes. Prior to his role at Catalyst, he was the proprietor of Fontes Homes.<br><br> <br>Mr. Fontes brings expertise in entrepreneurship, building innovation and project planning. Proposed 53,234 0.05%
Pete Gettinby<br>Dubai, UAE<br><br> <br>Proposed Director Former Director of International Development, RSK Environment Limited<br><br> <br>RSK is a global leader in the delivery of environmental and engineering solutions. Mr. Gettinby worked at RSK between 2019 and 2025, and, prior to his most recent role with RSK, he was the Regional Development Director - Middle East. Prior to RSK, he was Land Manager at Vattenfall in Edinburgh and London, UK.<br><br> <br>Mr. Gettinby is a renewable energy leader with extensive experience in property, agriculture, land management and energy sectors across the Middle East, Africa, Asia and the UK. He has proven expertise in market expansion, client acquisition and team mentorship. Proposed nil nil

Notes:

(1) The information as to voting securities beneficially owned, controlled or directed, not being within the knowledge of the Corporation, has been furnished by the respective nominees individually.

PROXIES RECEIVED IN FAVOUR OF MANAGEMENT WILL BE VOTED FOR THE ELECTION OF THE MANAGEMENT NOMINEES UNLESS THE SHAREHOLDER HAS SPECIFIED IN THE PROXY THAT HIS, HER OR ITS COMMON SHARES ARE TO BE WITHHELD FROM VOTING IN RESPECT THEREOF. Management has no reason to believe that any of the nominees will be unable to serve as a director but, IF A NOMINEE IS, FOR ANY REASON, UNAVAILABLE TO SERVE AS A DIRECTOR, PROXIES IN FAVOUR OF MANAGEMENT WILL BE VOTED IN FAVOUR OF THE REMAINING NOMINEES AND MAY BE VOTED FOR A SUBSTITUTE NOMINEE UNLESS THE SHAREHOLDER HAS SPECIFIED IN THE PROXY THAT HIS, HER OR ITS COMMON SHARES ARE TO BE WITHHELD FROM VOTING IN RESPECT OF THE ELECTION OF DIRECTORS.

  • 2 -

Additional Information Concerning the New Nominees

Based on information provided by each New Nominee, none of the New Nominees: (a) has, within the previous 10 years, been a director, chief executive officer or chief financial officer of any company that: (i) was subject to a cease trade order, an order similar to a cease trade order, an order that denied the relevant company access to any exemption under securities legislation, that was in effect for a period of more than 30 consecutive days (collectively an "Order") and that was issued while the proposed director was acting in the capacity as director, chief executive officer or chief financial officer; or (ii) was subject to an Order that was issued after the proposed director ceased to be a director, chief executive officer or chief financial officer and which resulted from an event that occurred while that person was acting in the capacity as director, chief executive officer or chief financial officer; (b) has, within the previous 10 years, been a director or executive officer of any company that, while the proposed director was acting in that capacity, or within a year of the proposed director ceasing to act in that capacity, became bankrupt, made a proposal under any legislation relating to bankruptcy or insolvency or was subject to or instituted any proceedings, arrangement or compromise with creditors or had a receiver, receiver manager or trustee appointed to hold its assets; or (c) has, within the previous 10 years, become bankrupt, made a proposal under any legislation relating to bankruptcy or insolvency, or become subject to or instituted any proceedings, arrangement or compromise with creditors, or had a receiver, receiver manager or trustee appointed to hold the assets of such person.

Based on information provided by each New Nominee, none of the New Nominees has been subject to any penalties or sanctions imposed by a court relating to securities legislation or by a securities regulatory authority or has entered into a settlement agreement with a securities regulatory authority or been subject to any other penalties or sanctions imposed by a court or regulatory body that would likely be considered important to a reasonable investor in making an investment decision.

Based on information provided by each New Nominee, none of the New Nominees or their respective associates or affiliates have: (a) any material interest, direct or indirect, in any transaction since the commencement of the Corporation's most recently completed financial year or in any proposed transaction which has materially affected or would materially affect the Corporation or any of its subsidiaries; or (b) any material interest , direct or indirect, by way of beneficial ownership of securities or otherwise, in any matter to be acted on at the Meeting, other than the election of directors.

  • 3 -

    Zentek Ltd.: Exhibit 99.7 - Filed by newsfilecorp.com

Zentek Announces New Board Nominees

Guelph, ON - September 10, 2025 - Zentek Ltd. ("Zentek" or the "Company") (Nasdaq: ZTEK; TSX-V: ZEN), an intellectual property technology development and commercialization company, today announces that, further to its news release on September 3, 2025, it is updating the slate of director nominees for the upcoming annual general and special meeting to be held on September 25, 2025 (the "Meeting").

The nominees are composed of four directors, all of whom are independent, being: Eric Wallman, current Chair of the Board of Directors, John Snisarenko, current member of the Board of Directors, Matt Fontes, a new nominee, and Pete Gettinby, a new nominee. Ilse Treurnicht, Lisa Sim and Wendy Ford will not be standing for election as directors at the Meeting.

The details of the new director nominees who will stand for election to the Board at the Meeting are set out below:

Matt Fontes Age: 40 Residency: British Columbia, Canada Principal occupation for the past five years: Partner/Project Manager, Catalyst Custom Modular Ltd. Share ownership of Zentek: 53,234 common shares (0.05%)

Mr. Fontes is a Project Manager and Partner at Catalyst Custom Modular in British Columbia, which specializes in creating innovative, economical custom prefabricated modules utilizing modern building science to produce enduring products as efficiently as possible. He has commissioned next generation HVAC systems on both site built and modular custom homes. Prior to his role at Catalyst, he was the proprietor of Fontes Homes. Mr. Fontes brings expertise in entrepreneurship, building innovation and project planning.

Pete Gettinby
Age: 42 Residency: Dubai, UAE Principal occupation for the past five years: Director of International Development, RSK Environment Limited ("RSK") Share ownership of Zentek: Nil

Mr. Gettinby is the former Director of International Development at RSK, a global leader in the delivery of environmental and engineering solutions. He worked at RSK since 2019 and, prior to his most recent role, he was the Regional Development Director - Middle East. Prior to RSK, he was Land Manager at Vattenfall in Edinburgh and London, UK. Mr. Gettinby is a renewable energy leader with extensive experience in property, agriculture, land management and energy sectors across the Middle East, Africa, Asia and the UK. He has proven expertise in market expansion, client acquisition and team mentorship.

Additional Information Concerning the New Nominees

Based on information provided by each new nominee, none of the new nominees: (a) has, within the previous 10 years, been a director, chief executive officer or chief financial officer of any company that: (i) was subject to a cease trade order, an order similar to a cease trade order, an order that denied the relevant company access to any exemption under securities legislation, that was in effect for a period of more than 30 consecutive days (collectively an "Order") and that was issued while the proposed director was acting in the capacity as director, chief executive officer or chief financial officer; or (ii) was subject to an Order that was issued after the proposed director ceased to be a director, chief executive officer or chief financial officer and which resulted from an event that occurred while that person was acting in the capacity as director, chief executive officer or chief financial officer; (b) has, within the previous 10 years, been a director or executive officer of any company that, while the proposed director was acting in that capacity, or within a year of the proposed director ceasing to act in that capacity, became bankrupt, made a proposal under any legislation relating to bankruptcy or insolvency or was subject to or instituted any proceedings, arrangement or compromise with creditors or had a receiver, receiver manager or trustee appointed to hold its assets; or (c) has, within the previous 10 years, become bankrupt, made a proposal under any legislation relating to bankruptcy or insolvency, or become subject to or instituted any proceedings, arrangement or compromise with creditors, or had a receiver, receiver manager or trustee appointed to hold the assets of such person.

Based on information provided by each new nominee, none of the new nominees has been subject to any penalties or sanctions imposed by a court relating to securities legislation or by a securities regulatory authority or has entered into a settlement agreement with a securities regulatory authority or been subject to any other penalties or sanctions imposed by a court or regulatory body that would likely be considered important to a reasonable investor in making an investment decision.

Based on information provided by each new nominee, none of the new nominees or their respective associates or affiliates have: (a) any material interest, direct or indirect, in any transaction since the commencement of the Company's most recently completed financial year or in any proposed transaction which has materially affected or would materially affect the Company or any of its subsidiaries; or (b) any material interest , direct or indirect, by way of beneficial ownership of securities or otherwise, in any matter to be acted on at the Meeting, other than the election of directors.

Shareholder Meeting Details

The Notice of Meeting and Management Information Circular dated August 15, 2025 for the Meeting (the "Circular") has been mailed to and/or made available to shareholders and is available for viewing on SEDAR+. Except as described in the supplement to the Circular dated September 10, 2025 (the "Supplement"), the Circular remains unchanged.

The Supplement is being filed on SEDAR+ to inform shareholders of important changes to the location where the Meeting will be held and the business of the Meeting relating to the election of directors. Specifically:

  1. The Meeting will now be held at the office of Norton Rose Fulbright Canada LLP, at 222 Bay Street, Suite 3000, Toronto, Ontario M5K 1E7.

  2. On the election of directors, Ilse Treurnicht, Lisa Sim and Wendy Ford will no longer be standing for election as directors at the Meeting, and Matt Fontes and Pete Gettinby have been added as new nominees of management. At the Meeting, the four (4) management nominees, namely Eric Wallman, John Snisarenko, Matt Fontes and Pete Gettinby, will be nominated by management for election as directors for the ensuing year.

A shareholder wishing to be represented by proxy at the Meeting or any adjournment thereof must DISREGARD THE "WHITE" FORM OF PROXY OR VOTING INSTRUCTIONS FORM ("VIF") THAT WAS PROVIDED TO YOU WITH THE CIRCULAR, AS VOTING INSTRUCTIONS SUBMITTED USING THE "WHITE" FORM OF PROXY OR VIF WILL NOT BE COUNTED AT THE MEETING. A NEW "BLUE" FORM OF PROXY OR VIF IS BEING PROVIDED TO YOU WITH THE SUPPLEMENT. Shareholders wishing to be represented by proxy at the Meeting or any adjournment or postponement thereof must, in all cases, deposit the completed "BLUE" form of proxy or VIF in accordance with the instructions set out in the Supplement.

Completed "BLUE" forms of proxy may be deposited with the Company's transfer agent using one of the following methods:

By Mail or Hand Delivery: TSX Trust Company <br>100 Adelaide Street West, Suite 301, Toronto, Ontario M5H 4H1
By Fax: (416) 595-9593
By Internet: www.voteproxyonline.com <br>You will need to provide your 12 digit control number (located on the "BLUE" form of proxy accompanying this Supplement).

A Non-Registered Holder wishing to be represented at the Meeting or any adjournment or postponement thereof, including any Non-Registered Holder who has previously given voting instructions using the "WHITE" VIF, must contact their Intermediary and comply with any and all applicable requirements of such Intermediary.

If you have any questions about any of the information in the Supplement or require assistance in completing your "BLUE" form of proxy or VIF, please consult your financial, legal, tax and other professional advisors. Late proxies may be accepted or rejected by the Chairman of the Meeting at his discretion and the Chairman of the Meeting is under no obligation to accept or reject any particular late proxy. The time limit for deposit of proxies may be waived or extended by the Chairman of the Meeting at his discretion, without notice.

About Zentek Ltd.

Zentek is an ISO 13485:2016 certified intellectual property technology company focused on the research, development and commercialization of novel products seeking to give the Company's commercial partners a competitive advantage by making their products better, safer, and greener.

Zentek's patented technology platform ZenGUARD™ is shown to have enhanced viral filtration efficiency for surgical masks and HVAC (heating, ventilation, and air conditioning) systems. Zentek's ZenGUARD™ production facility is in Guelph, Ontario.

Zentek has a global exclusive license to the Aptamer-based platform technology developed by McMaster University which is being jointly developed Zentek and McMaster for both the diagnostic and therapeutic markets.

For further information:

[email protected]

Ryan Shacklock

Tel: (306) 270-9610

Email: [email protected]

Forward-Looking Statements

This news release contains forward-looking statements. Since forward-looking statements address future events and conditions, by their very nature they involve inherent risks and uncertainties. Although Zentek believes that the assumptions and factors used in preparing the forward-looking information in this news release are reasonable, undue reliance should not be placed on such information, which only applies as of the date of this news release, and no assurance can be given that such events will occur in the disclosed time frames or at all. Zentek disclaims any intention or obligation to update or revise any forward-looking information, whether as a result of new information, future events or otherwise, other than as required by law.

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.