Horizonte Minerals PLC — Proxy Solicitation & Information Statement 2020

Feb 28, 2020

Computershare
100 University Avenue, 8th floor
Toronto ON, M5J 2Y1
www.computershare.com

Date: February 28, 2020

To: All Canadian Securities Regulatory Authorities

Subject: HORIZONTE MINERALS PLC

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 :	March 26, 2020
Record Date for Voting (if applicable) :	March 26, 2020
Beneficial Ownership Determination Date :	March 26, 2020
Meeting Date :	May 14, 2020
Meeting Location (if available) :	London, UK
Issuer sending proxy related materials directly to NOBO:	No
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
ORDINARY SHARES	G463B6107	GB00B11DNM70

Sincerely,

Computershare

Agent for HORIZONTE MINERALS PLC