Excellon Resources Inc. — AGM Information 2021

Mar 5, 2021

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TSX TRUST COMPANY

VIA ELECTRONIC TRANSMISSION

March 5, 2021

TO ALL APPLICABLE EXCHANGES AND COMMISSIONS:

RE: EXCELLON RESOURCES INC. Confirmation of Notice of Record and Meeting Dates

We are pleased to confirm that Notice of Record and Meeting Dates was sent to The Canadian Depository for Securities.

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

1 ISIN: CA30069C8016 CUSIP: 30069C801 2 Date Fixed for the Meeting: May 13, 2021 3 Record Date for Notice: March 24, 2021 4 Record Date for Voting: March 24, 2021 5 Beneficial Ownership Determination Date: March 24, 2021 6 Classes or Series of Securities that entitle COMMON the holder to receive Notice of the Meeting: 7 Classes or Series of Securities that entitle COMMON the holder to vote at the meeting: 8 Business to be conducted at the meeting: Annual 9 Notice-and-Access: Registered Shareholders: YES Beneficial Holders: YES Stratification Level: Not Applicable 10 Reporting issuer is sending proxy-related materials directly to Non-Objecting Beneficial Owners: NO 11 Issuer paying for delivery to Objecting Beneficial Owners: NO

Yours truly, TSX Trust Company

• " Rosa Garofalo " Senior Relationship Manager Rosa.Garofalo@tmx.com

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