Arianne Phosphate Inc. — AGM Information 2021

Jul 30, 2021

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July 30, 2021

1500 Robert-Bourassa Blvd., 7th Floor Montreal QC, H3A 3S8 www.computershare.com

To: All Canadian Securities Regulatory Authorities

Subject: Arianne Phosphate Inc.

Dear Sir/Madam:

We advise of the following with respect to the upcoming Meeting of Security Holders for the subject Issuer:

Meeting Type : Annual General Meeting Record Date for Notice of Meeting : August 26, 2021 Record Date for Voting (if applicable) : August 26, 2021 Beneficial Ownership Determination Date : August 26, 2021 Meeting Date : September 30, 2021 Meeting Location (if available) : Montreal, QC Issuer sending proxy related materials directly to NOBO: Yes Issuer paying for delivery to OBO: Yes

Notice and Access (NAA) Requirements:

NAA for Beneficial Holders No NAA for Registered Holders No

Voting Security Details:

Description CUSIP Number ISIN Common Shares 04035D102 CA04035D1024 Restricted Common Shares 04035D201 CA04035D2014

Sincerely,

Computershare

Agent for Arianne Phosphate Inc.