Cosigo Resources Ltd. — AGM Information 2023

Apr 24, 2023

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April 24, 2023

To: All Canadian Securities Regulatory Authorities

Dear Sirs:

Re: Cosigo Resources Ltd. ISIN: CA22122T1030 CUSIP: 22122T 10 3 Annual General & Special Meeting

We are pleased to confirm the details of the upcoming meeting of shareholders for Cosigo Resources Ltd.:

Issuer: Cosigo Resources Ltd. Type of Meeting: Annual General & Special Meeting Meeting Date: June 21, 2023 Record Date for Notice and Voting: May 12, 2023 Voting securities: Common Shares Issuer sending materials directly to NOBO: Yes Issuer to pay for delivery of materials to OBO: No Stratification: No Notice‐and‐Access for Registered shareholders: Yes Notice‐and‐Access for Beneficial shareholders: Yes

We are filing this in compliance with National Instrument 54‐101, in our capacity as the agent for Cosigo Resources Ltd.

Yours truly,

“Miguel Lahud”

Miguel Lahud Director, Client Services

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