Mr. Jon Morrison reports

ALTAGAS LTD. ANNOUNCES AGGREGATE $400 MILLION MEDIUM TERM NOTE OFFERING

AltaGas Ltd. has agreed to issue $400-million of senior unsecured medium-term notes with a coupon rate of 4.638 per cent, maturing on May 15, 2026.

The offering is expected to close on or about May 15, 2023. The net proceeds resulting from the offering will be used to pay down existing indebtedness under AltaGas's credit facility and to refinance the senior unsecured medium-term note maturing in June, 2023.

The offering is being made through a syndicate of investment dealers co-led by TD Securities Inc., CIBC World Markets Inc. and National Bank Financial Inc. under AltaGas's short form base shelf prospectus dated March 31, 2023, prospectus supplement dated May 11, 2023, and related pricing supplement dated May 11, 2023.

About AltaGas Ltd.

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 utilities and mid-stream business that is focused on delivering resilient and durable value for its stakeholders.

We seek Safe Harbor.