Brimstone Investment Corporation Limited (Incorporated in the Republic of South Africa) Registration number 1995/010442/06 ISIN Number: ZAE000015277 Share Code: BRT ISIN Number: ZAE000015285 Share Code: BRN (“Brimstone” or the “Company’’) CAUTIONARY ANNOUNCEMENT Brimstone shareholders are referred to the cautionary announcement released on SENS today by Sea Harvest Group Limited (“Sea Harvest”), a 54% held subsidiary of Brimstone, regarding discussions related to a potential acquisition by Sea Harvest (the “Potential Transaction”). The Potential Transaction, if concluded by Sea Harvest, may have a material effect on the price of Brimstone’s securities. Accordingly, Brimstone shareholders are advised to exercise caution when dealing in the Company’s securities until a further announcement is made. Cape Town 13 December 2023 Sponsor Nedbank Corporate and Investment Banking, a division of Nedbank Limited