TriSummit Utilities is a natural gas distribution utility company, with rate-regulated utilities in Alaska, British Columbia, Alberta, and Nova Scotia.

TriSummit Utilities owns complimentary contracted renewable power assets.

TriSummit Utilities is a diversified utility business with operations across North America that support stable and predictable earnings.

Investor Presentation

By the Numbers: 2023 Year End

$211.3

Million
Normalized EBITDA⁽¹⁾

714

Employees

132 MW

of net
Renewable Generation

$1,834

Million
Rate Base

~289

Thousand
Utility Customers

$60

Million Normalized
Net Income⁽¹⁾

^{(1) Refer to the 2023 Annual MD&A under the “Non-GAAP Financial Measures” heading.}

Established operating business with meaningful scale,
diversification, and very low-risk business model.

Investors

AltaGas Canada is a natural gas distribution utility company with rate-regulated Utilities in British Columbia, Alberta, and Nova Scotia.

AltaGas Canada also owns complementary fully contracted renewable power assets. AltaGas Canada’s diversified and fully regulated or contracted operations across Canada support a stable and predictable earnings profile.

Investors

TriSummit Utilities is a natural gas distribution utility company, with rate-regulated utilities in Alaska, British Columbia, Alberta, and Nova Scotia.

TriSummit Utilities owns complimentary contracted renewable power assets.

TriSummit Utilities is a diversified utility business with operations across North America that support stable and predictable earnings.

By the Numbers: 2023 Year End

$211.3

Million
Normalized EBITDA⁽¹⁾

714

Employees

132 MW

of net
Renewable Generation

$1,834

Million
Rate Base

~289

Thousand
Utility Customers

$60

Million Normalized
Net Income⁽¹⁾

Established operating business with meaningful scale,
diversification, and very low-risk business model.

Investors

AltaGas Canada is a natural gas distribution utility company with rate-regulated Utilities in British Columbia, Alberta, and Nova Scotia.

AltaGas Canada also owns complementary fully contracted renewable power assets. AltaGas Canada’s diversified and fully regulated or contracted operations across Canada support a stable and predictable earnings profile.

Investors

TriSummit Utilities is a natural gas distribution utility company, with rate-regulated utilities in Alaska, British Columbia, Alberta, and Nova Scotia.

TriSummit Utilities owns complimentary contracted renewable power assets.

TriSummit Utilities is a diversified utility business with operations across North America that support stable and predictable earnings.

By the Numbers: 2023 Year End

$211.3

MillionNormalized EBITDA(1)

714

Employees

132 MW

of net Renewable Generation

$1,834

MillionRate Base

~289

ThousandUtility Customers

$60

Million Normalized Net Income(1)

Established operating business with meaningful scale, diversification, and very low-risk business model.

Million
Normalized EBITDA⁽¹⁾

of net
Renewable Generation

Million
Rate Base

Thousand
Utility Customers

Million Normalized
Net Income⁽¹⁾

Established operating business with meaningful scale,
diversification, and very low-risk business model.