Further to its bulletin dated Oct. 7, 2025, the Toronto Stock Exchange reports the Class A common shares of Rockpoint Gas Storage Inc. have begun trading on an if, as and when-issued basis, effective at 9:30 a.m. Toronto time on Oct. 9, 2025, under the symbol RGSI and with Cusip No. 773915 10 3.

According to the TSX, 32 million Class A shares of Rockpoint Gas are being offered to the public at $22 per share for total gross proceeds to the company of $704-million, pursuant to an initial public offering that is scheduled to close before the open on Oct. 15, 2025. In addition, the selling shareholders have granted the underwriters an overallotment option pursuant to which the underwriters may purchase from the selling shareholders up to 4.8 million additional Class A shares at the same price.

Subject to the closing of the offering on Oct. 15, 2025, all trades in the Class A shares in the if, as and when-issued market on Oct. 9, 2025, Oct. 10, 2025, and Oct. 14, 2025, will be for special settlement on Oct. 15, 2025, and will appear on the settlement report from CDS Clearing and Depository Services Inc.

Upon closing, the TSX will issue a bulletin to confirm: (i) the closing; and (ii) that the Class A shares will no longer trade on an if, as and when-issued basis, but will trade thereafter on a regular settlement basis. If the offering does not close, all of the if, as and when-issued trades will be cancelled, no securities will be delivered, and no money will be owed by purchasers to sellers. Parties who are entitled to receive Class A shares under the offering may sell such securities in the if, as and when-issued market without being subject to restrictions on short sales. Parties who are not entitled to receive Class A shares under the offering must comply with the short sale rule in all respects for any sales they make in the if, as and when-issued market.

For more information, see the PREP prospectus dated Oct. 7, 2025, and the company's news release dated Oct. 8, 2025.