On May 22, 2025, Brompton Split Banc Corp. announced a public offering of up to $75 million of Preferred Shares and up to $75 million of Class A Shares through an at-the-market (ATM) equity distribution, for a total offering of up to $150 million. The securities will be distributed through RBC Dominion Securities Inc. as agent, under an Equity Distribution Agreement. The offering is being made pursuant to a short form base shelf prospectus and a supplement dated the same day, and will be conducted on the Toronto Stock Exchange (TSX) or other existing trading markets in Canada. The securities will be sold at prevailing market prices, and the Company may terminate the offering at any time. The Preferred Shares and Class A Shares are listed under the symbols "SBC.PR.A" and "SBC," respectively.

The Company intends to use net proceeds in line with its investment objectives, focusing on an equally weighted portfolio of Canada’s six largest banks, with the possibility of allocating up to 10% to global financials. Legal counsel to Brompton Split Banc Corp. is Osler, Hoskin & Harcourt LLP, while Stikeman Elliott LLP represents the Agent. The Company will pay up to 2.5% in commission on each share sold. At announcement, the Preferred Shares and Class A Shares closed at $10.83 and $10.01, respectively, on the TSX.