Last updated on April 17, 2014 at 21:23 EDT

RADARSAT-1 status update

April 9, 2013

RICHMOND, BC, April 9, 2013 /CNW/ – MacDonald, Dettwiler and Associates
Ltd. (“MDA” or the “Company”) (TSX: MDA), a global communications and information company, today announced that
RADARSAT-1 is experiencing technical difficulties. The Canadian Space
Agency is continuing to diagnose and attempt to resolve the technical
issues.  The impact of RADARSAT-1 not functioning is not significant to
MDA’s business.

About MDA

MDA is a global communications and information company providing
operational solutions to commercial and government organizations

MDA’s business is focused on markets and customers with strong repeat
business potential. In addition, the Company conducts a significant
amount of advanced technology development.

MDA’s well-established global customer base is served by more than 4,500
employees operating from 11 offices located in the United States,
Canada, and internationally.

The Company’s common shares trade under the symbol TSX:MDA.

Related Websites:

Forward-Looking Statements

This news release contains forward-looking statements and information,
which reflect the current view of MacDonald, Dettwiler and Associates
Ltd. (“MDA” or the “Company”) with respect to future events and
financial performance.  When used in this news release, the words
“believes”, “expects”, “plans”, “may”, “will”, “would”, “could”,
“should”, “anticipates”, “estimates”, “project”, “intend” or “outlook”
or other variations of these words or other similar expressions are
intended to identify forward-looking statements and information. Actual
results may differ materially from the expectations expressed or
implied in the forward-looking statements as a result of known and
unknown risks and uncertainties. Known risks and uncertainties include
but are not limited to: risks associated with operating satellites and
providing satellite services, including satellite construction or
launch delays, launch failures, in-orbit failures or impaired satellite
performance; risks associated with satellite manufacturing, including
competition, cyclicality of MDA’s end-user markets, contractual risks,
creditworthiness of customers, performance of suppliers and management
of MDA’s factory and personnel; risk associated with financial factors
such as volatility in exchange rates, increases in interest rates,
restrictions on access to capital, and swings in global financial
markets; risks associated with domestic and foreign government
regulation, including export controls and economic sanctions; and other
risks, including litigation. The foregoing list of important factors is
not exhaustive. The information contained in this news release reflects
MDA’s beliefs, assumptions, intentions, plans and expectations as of
the date of this news release. Except as required by law, MDA disclaims
any obligation or undertaking to update or revise the information

For additional information with respect to certain of these risks or
factors, plus additional risks or factors, reference should be made to
the Company’s continuous disclosure materials filed from time to time
with Canadian securities regulatory authorities, which are available
online under the Company’s profile at www.sedar.com or on the Company’s website at www.mdacorporation.com.

The Toronto Stock Exchange has neither approved nor disapproved the form
or content of this news release.

SOURCE MacDonald, Dettwiler and Associates Ltd.

Source: PR Newswire