AltaGas Chief Executive Officer Transition

April 18, 2016

CALGARY, ALBERTA--(Marketwired - April 18, 2016) -

AltaGas Ltd. ("AltaGas") (TSX:ALA) announced today that, further to its press release of October 28, 2015, it is confirming the transition of the Chief Executive Officer role. David W. Cornhill has stepped down as Chief Executive Officer effective April 15, 2016, and David M. Harris, previously AltaGas' President and Chief Operating Officer, has succeeded David Cornhill and assumed the role of President and Chief Executive Officer effective April 16, 2016. David Cornhill continues to serve as Chairman of the Board of Directors and Founder of AltaGas. He will continue to be actively involved in strategy development, capital allocation and stakeholder relations.

"The Board of Directors of AltaGas wishes to acknowledge the tremendous success that AltaGas has had under the executive leadership of David Cornhill," said Myron Kanik, Lead Director. "We are pleased that he will provide ongoing guidance to AltaGas in his continuing role as Chairman of the Board. We also congratulate David Harris on his appointment to the role of President and Chief Executive Officer. David's strong capability, experience and proven track record of achieving success at AltaGas and around the globe will position AltaGas for continued success into the future. Lastly, I would like to recognize David Cornhill, David Harris and the rest of the AltaGas management team for the planning that has led to a successful transition."

AltaGas is a leading North American diversified energy infrastructure company. AltaGas owns or operates a diversified mix of assets in gas, power, and utilities. AltaGas creates value by acquiring, growing and optimizing its energy infrastructure, including a focus on clean energy sources. For more information visit:

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 or an affiliate of AltaGas, are intended to identify forward-looking statements. In particular, this news release contains forward-looking statements with respect to, among other things, AltaGas' transition plan and future success;, business objectives, expected growth, results of operations, business projects and opportunities and financial results. These 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 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, competition, 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 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.

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