<div>
<p><strong>Le 6 août/August 2026</strong></p>
</div>
<p>The common shares of GoldCoast Resource Corp. (GCR), previously listed as Psyence Group Inc. (PSYG), have been approved for listing on the CSE.</p>
<p>Listing and disclosure documents will be available at <a href="https://thecse.com/">www.thecse.com</a> on the trading date.</p>
<p>GoldCoast Resource Corp. is a Canadian mineral exploration company focused on discovering and developing offshore gold resources along Ghana’s continental shelf. The Company holds a district-scale 10,000 km² reconnaissance licence package that covers roughly 53% of Ghana’s offshore coastline – representing the only place on earth - where three major rivers, carrying gold-rich bedload, eroded from world-class gold belts, over interglacial periods, converge on a shallow continental shelf.</p>
<p>________________________</p>
<p>Les actions ordinaires de GoldCoast Resource Corp. (GCR), anciennement cotée sous le nom de Psyence Group Inc. (PSYG), ont été approuvées pour inscription à la CSE.</p>
<p>Les documents de cotation et de divulgation seront disponibles sur <a href="https://thecse.com/fr/">www.thecse.com</a> le jour de la négociation.</p>
<p>GoldCoast Resource Corp. est une société canadienne d'exploration minière axée sur la découverte et la mise en valeur de ressources aurifères extracôtières le long du plateau continental ghanéen. La Société détient un ensemble de permis de reconnaissance d'envergure régionale de 10 000 km² couvrant environ 53 % du littoral ghanéen. Il s'agit du seul endroit au monde où trois grands fleuves, charriant des sédiments aurifères provenant de ceintures aurifères de classe mondiale, érodées au cours des périodes interglaciaires, convergent sur un plateau continental peu profond.</p>
<div>
<div>
<table border="1" cellspacing="1" cellpadding="1">
<tbody>
<tr>
<td>Issuer/Émetteur :</td>
<td>GoldCoast Resource Corp.</td>
</tr>
<tr>
<td>Security Type/Titre :</td>
<td>Common Shares/Actions ordinaires</td>
</tr>
<tr>
<td>Symbol(s)/Symbole(s) :</td>
<td>GCR</td>
</tr>
<tr>
<td>Number of securities issued and outstanding/ Titres émis et en circulation :</td>
<td>69 808 269</td>
</tr>
<tr>
<td>Number of Securities reserved for issuance/ Titres réservés pour émission :</td>
<td>2 808 988</td>
</tr>
<tr>
<td>CSE Sector/Catégorie :</td>
<td>
<p>Mining/Minier</p>
</td>
</tr>
<tr>
<td>Consolidation:</td>
<td>
<p>6.9565 Old to 1 New/6,9565 anciens pour 1 nouveau</p>
</td>
</tr>
<tr>
<td>Record Date for Consolidation/Date d'enregistrement pour la consolidation :</td>
<td>
<p>le 28 juillet/July 2026</p>
</td>
</tr>
<tr>
<td>CUSIP :</td>
<td>38077K 10 3</td>
</tr>
<tr>
<td>ISIN :</td>
<td>CA 38077K 10 3 0</td>
</tr>
<tr>
<td>OLD CUSIP/ISIN :</td>
<td>74449Q205/CA74449Q2053</td>
</tr>
<tr>
<td>Boardlot/Quotité :</td>
<td>100</td>
</tr>
<tr>
<td>Trading Currency/Monnaie de négociation :</td>
<td>CDN$/$CDN</td>
</tr>
<tr>
<td>Trading Date/Date de négociation :</td>
<td>Le 10 août/August 2026</td>
</tr>
<tr>
<td>Other Exchanges/Autres marches :</td>
<td>N/A</td>
</tr>
<tr>
<td>Fiscal Year end /Clôture de l'exercice financier :</td>
<td>le 31 mars/March</td>
</tr>
<tr>
<td>Transfer Agent/Agent des transferts :</td>
<td>Odyssey Trust Company</td>
</tr>
</tbody>
</table>
</div>
</div>
<p> </p>
<p>The Exchange is accepting Market Maker applications for GCR. Please email: <a href="mailto:Trading@theCSE.com">Trading@theCSE.com</a>.</p>
<p>If you have any questions or require further information please contact Listings at (416) 367-7340 or E-mail: <a href="mailto:Listings@thecse.com">Listings@thecse.com</a>.</p>
<p>Pour toute question, pour obtenir de l’information supplémentaire veuillez communiquer avec le service des inscriptions au 416 367-7340 ou par courriel à l’adresse: <a href="mailto:Listings@thecse.com">Listings@thecse.com</a>.</p>

2026-0808 - Fundamental Change - Psyence Group Inc./GoldCoast Resource Corp.

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