ALTAGAS ANNOUNCES CONVERSION OF SERIES H SHARES

CALGARY, AB , Sept. 30, 2024 /CNW/ - AltaGas Ltd. ("AltaGas" or the "Company") (TSX: ALA) announces that 1,114,177 Cumulative Redeemable Floating Rate Preferred Shares, Series H (the "Series H Shares") (TSX: ALA.PR.H) were converted into Cumulative Redeemable Five-Year Rate Reset Preferred Shares, Series G (the "Series G Shares") (TSX: ALA.PR.G) on a one-for-one basis today (the "Conversion Date"). This included 883,163 Series H Shares tendered for conversion to Series G Shares prior to the conversion period deadline of 5:00 pm Eastern Time on September 13, 2024, and the remaining 231,014 Series H Shares converted automatically into Series G Shares in accordance with the terms of the Series H Shares. In addition, any of the Series G Shares that were tendered for conversion into Series H Shares were not converted and remain Series G Shares.

Following the conversion of Series H Shares, 8,000,000 Series G Shares are now outstanding while no Series H Shares remain outstanding. AltaGas made an application to the Toronto Stock Exchange ("TSX") to have the Series H Shares voluntarily de-listed following the Conversion Date. AltaGas expects the TSX to de-list the Series H Shares as of close of markets on September 30, 2024

As a reminder, holders of Series G Shares shall be entitled to receive, as and when declared by the Board of Directors of AltaGas, fixed cumulative preferential cash dividends, payable quarterly. The annual dividend rate applicable to the Series G Shares for the five-year period commencing on and including September 30, 2024 to, but excluding, September 30, 2029, is 6.017 percent. The Series G Shares will continue to be listed on the TSX under the symbol ALA.PR.G. Quarterly dividend payments for the prior period were paid on September 27, 2024.

Holders of Series G Shares will have the right to convert all or any of their shares into Series H Shares again in September 2029 (every fifth year) in accordance with the terms of the shares, subject to AltaGas' option to redeem such shares for cash at that time.

About AltaGas

AltaGas is a leading North American infrastructure company that connects customers and markets to affordable and reliable sources of energy. The Company operates a diversified, lower-risk, high-growth energy infrastructure business that is focused on delivering stable and growing value for its stakeholders.

For more information visit www.altagas.ca or reach out to one of the following:

Jon Morrison
Senior Vice President, Corporate Development and Investor Relations
Jon.Morrison@altagas.ca

Aaron Swanson
Vice President, Investor Relations
Aaron.Swanson@altagas.ca

Investor Inquiries
1-877-691-7199
investor.relations@altagas.ca

Media Inquiries
1-403-206-2841
media.relations@altagas.ca

FORWARD-LOOKING STATEMENTS

This news release contains forward-looking statements. When used in this news release, the words "may", "would", "could", "will", "intend", "plan", "anticipate", "believe", "seek", "propose", "estimate", "expect", and similar expressions, as they relate to AltaGas are intended to identify forward-looking statements. In particular, this news release contains forward-looking statements with respect to, among other things, de-listing the Series H Shares and the timing thereof; the payment of dividends; and conversion rights of holders of Series G Shares. These forward-looking statements involve known and unknown risks, uncertainties and other factors that may cause actual results or events to differ materially from those anticipated in such forward-looking statements. Such forward-looking statements reflect AltaGas' current views with respect to future events based on certain material factors and assumptions and are subject to certain risks and uncertainties, including without limitation, changes in market, governmental or regulatory developments, general economic conditions and other factors set out in AltaGas' public disclosure documents. Many factors could cause AltaGas' actual results, performance or achievements to vary from those described in this news release, including without limitation those listed above. These factors should not be construed as exhaustive. Should one or more of these risks or uncertainties materialize, or should assumptions underlying forward-looking statements prove incorrect, actual results may vary materially from those described in this news release as intended, planned, anticipated, believed, sought, proposed, estimated or expected, and such forward-looking statements included in, or incorporated by reference in this news release, should not be unduly relied upon. Such forward-looking statements speak only as of the date of this news release. AltaGas does not intend, and does not assume any obligation, to update these forward-looking statements. The forward-looking statements contained in this news release are expressly qualified by this cautionary statement.

SOURCE AltaGas Ltd.