OCUMETICS TECHNOLOGY CORP. — Regulatory Filings 2021

Jul 23, 2021

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July 23, 2021

• To: TSX Venture Exchange

" Re: Ocumetics Technology Corp. (the "Company )

We refer you to the Filing Statement (the "Filing Statement") of the Company dated July 23, 2021 relating to the proposed qualifying transaction with Quantum Blockchain Technologies Ltd.

We consent to being named in the Filing Statement and to the use in the Filing Statement of our report dated July 22, 2021 to the shareholders and directors of the Company on the following financial statements:

• Statement of financial position as at July 31, 2020; and

• Statement of loss and comprehensive loss, changes in equity (deficiency) and cash flows for the year ended July 31, 2020 and a summary of significant accounting policies and other explanatory information.

We report that we have read the Filing Statement and have no reason to believe that there are any misrepresentations in the information contained therein that are derived from these financial statements upon which we have reported or that are within our knowledge as a result of our audit of these financial statements. We have complied with the Canadian generally accepted standards for an auditor's consent to the use of a report of the auditor included in an offering document, which does not constitute an audit or review of the Filing Statement as these terms are described in the CPA Canada Handbook – Assurance.

The letter is provided solely for the purpose of assisting the stock exchange to which it is addressed in discharging its responsibilities and should not be used for any other purpose.

Yours truly,

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MANNING ELLIOTT LLP