<article>

		le 18 décembre/December 2024

		Madison Metals Inc. (GREN) has announced a name and symbol change to Critical One Energy Inc. (CRTL).

		Shares will begin trading under the new name and symbol and with a new CUSIP number on December 23, 2024.

		Disclosure documents are available at&nbsp;<a href="https://thecse.com/listings/madison-metals-inc/">www.thecse.com.</a>

		Please note that all open orders will be cancelled at the end of business on December 20, 2024. Dealers are reminded to re-enter their orders.

		________________________

		Madison Metals Inc. (GREN) a annoncé un changement de nom et de symbole pour Critical One Energy Inc. (CRTL).

		Les actions commenceront à être négociées sous le nouveau nom et le nouveau symbole et avec un nouveau numéro CUSIP le 23 décembre 2024.

		Les documents d'information sont disponibles sur&nbsp;<a href="https://thecse.com/fr/listings/madison-metals-inc/">www.thecse.com.</a>

		Veuillez noter que toutes les commandes ouvertes seront annulées à la fin des activités le 20 décembre 2024. Les concessionnaires sont priés de saisir à nouveau leurs commandes.&nbsp;
<table border="1" cellpadding="1" cellspacing="1" >
<tbody>
<tr>
<td>
					Effective&nbsp;Date/&nbsp;Date Effective :&nbsp;</td>
<td>
					le 23 DEC 2024</td>
</tr>
<tr>
<td>
					Old&nbsp;Symbol/Vieux&nbsp;Symbole&nbsp;:&nbsp;</td>
<td>
					GREN</td>
</tr>
<tr>
<td>
					New Symbol/Nouveau&nbsp;Symbole&nbsp;:</td>
<td>
					CRTL</td>
</tr>
<tr>
<td>
					New&nbsp;CUSIP/&nbsp;Nouveau&nbsp;CUSIP&nbsp;:</td>
<td>
					22674C 10 2</td>
</tr>
<tr>
<td>
					New&nbsp;ISIN/&nbsp;Nouveau&nbsp;ISIN&nbsp;:</td>
<td>
					CA 22674C 10 2 3</td>
</tr>
<tr>
<td>
					Old/Vieux&nbsp;CUSIP&nbsp;&amp;&nbsp;ISIN&nbsp;:&nbsp;</td>
<td>
					55658R208/CA55658R2081</td>
</tr>
</tbody>
</table>

		If you have any questions&nbsp;or require further information, please contact Listings at (416) 367-7340 or E-mail:&nbsp;<a href="mailto:Listings@thecse.com">Listings@thecse.com</a>

		Pour&nbsp;toute&nbsp;question, pour&nbsp;obtenir&nbsp;de&nbsp;l’information&nbsp;supplémentaire&nbsp;veuillez&nbsp;communiquer&nbsp;avec&nbsp;le service des inscriptions au 416 367-7340 ou par&nbsp;courriel&nbsp;à&nbsp;l’adresse:&nbsp;&nbsp;<a href="mailto:Listings@thecse.com">Listings@thecse.com</a>
</article>

	&nbsp;

Critical One Energy Inc.

2024-1228 – Name and Symbol Change - Madison Metals Inc. (GREN)

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