Media Advisory - MDA's First Quarter 2013 results conference call alert and Annual General Meeting

Media Advisory - MDA's First Quarter 2013 results conference call alert and 
Annual General Meeting 
RICHMOND, BC, April 25, 2013 /CNW/ - MacDonald, Dettwiler and Associates Ltd. 
("MDA" or the "Company") (TSX: MDA), a global communications and information 
company, plans to release its First Quarter 2013 financial results at 5:30 
p.m. EDT (2:30 p.m. PDT) on May 2, 2013. 
Daniel Friedmann, president and CEO, and Anil Wiresekara, executive vice 
president and CFO, will host an earnings conference call the following day, 
reviewing the First Quarter results, followed by a question and answer 
session. The call is scheduled to begin promptly at 2:00 p.m. EDT (11:00 a.m. 
To participate in the conference call, please call the conference line 
approximately five minutes prior to the commencement of the call. 
Conference Call Dial-In Numbers:
Toll-Free: 1-888-390-0605
Toronto: 416-764-8609 
Toll Free: 1-888-390-0541
Toronto: 416-764-8677
Password: 528442 
Replay available: 
May 3, 20131:30 p.m. PDT, 4:30 p.m. EDT to  May 17, 201311:59 p.m. PDT, May 
18, 20132:59 a.m. EDT 
The conference call will also be Webcast live and then archived at: 
MDA will also be holding its Annual General Meeting at 11:00 a.m. PDT on May 
6, 2013 at its Corporate Head Office, 13800 Commerce Parkway, Richmond, BC. 
The business update will be presented at the First Quarter 2013 Results 
conference call scheduled May 3, 2013. 
About MDA: 
MDA is a global communications and information company providing operational 
solutions to commercial and government organizations worldwide. 
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 
The Company's common shares trade under the symbol TSX:MDA. 
Related Websites: 
Forward-Looking Statements 
The above referenced earnings release and the associated conference call and 
webcast, which includes a business update, first quarter 2013 results, and a 
question and answer session, contain certain forward-looking statements and 
information, which reflect the current view of MacDonald, Dettwiler and 
Associates Ltd. (the "Company" or "MDA") with respect to future events and 
financial performance. Forward-looking statements generally can be identified 
by the use of forward-looking terminology such as "may", "will", "would", 
"could", "should", "expect", "intend", "estimate", "anticipate", "plan", 
"foresee", "believe" or "continue" or the negatives of such terms or 
variations of them or similar terminology. Any such forward-looking statements 
are based on MDA's current expectations, estimates, projections and 
assumptions made in light of its experience and perception of historical 
trends. Forward-looking statements are subject to risks and uncertainties, 
many of which are beyond MDA's control and the effects of which can be 
difficult to predict. MDA's actual results of operations could differ 
materially from historical results or current expectations. 
Risks that could cause the Company's actual results to differ from current 
expectations include, but are not limited to: changes in government 
priorities, funding levels, contracts and regulations; failure of third 
parties and subcontractors to complete contracts for which the Company is the 
prime contractor; risks of performance on firm fixed price construction 
contracts; changes in estimates of total revenues and costs on contracts; 
potential for product liability or the occurrence of defects in software and 
other products and resulting loss of revenue and loss of the Company's 
reputation; quality issues and failure of systems to meet performance 
requirements; failure of the Company to manage its acquisitions and breaches 
of contracts and indemnities and related risks on divestitures; satellite 
failure; dependence on electronic systems and data and system security 
threats; detrimental reliance on third parties for data; dependence on key 
employees, potential for work stoppages and lack of oversight over a U.S. 
proxy board and management; failure to anticipate changes in technology, 
technical standards and offerings or comply with the requisite standards; 
failure to maintain technological advances and market positions; significant 
competition; infringement of the intellectual property rights of others 
through licensed software or otherwise; inadequate protection of the Company's 
intellectual property rights; exposure to foreign currency fluctuations; 
changes in law and economic and political conditions; inability of suppliers 
or subcontractors to effect technology transfer; changes in customer security 
requirements and the resulting cancellation of contracts; failure to maintain 
business alliances; uncertainty in financing arrangements; failure of 
counterparties in financing arrangements and financial derivative contracts; 
wrongful call on letters of credit and performance bonds; and insufficient 
insurance against material claims or losses. You are referred to the risk 
factors described in MDA's most recent annual Management's Discussion and 
Analysis, Annual Information Form and other documents on file with the 
Canadian securities regulatory authorities, available under the Company's 
profile on SEDAR, or on the Company's website at 
The forward-looking statements and information contained in the earnings 
release and the associated conference call and webcast represent MDA's views 
only as of the time of release. MDA disclaims any intention or obligation to 
update or revise any forward-looking statements, whether as a result of new 
information, future events or otherwise, other than as required by law, rule 
or regulation. You should not place undue reliance on forward-looking 
The Toronto Stock Exchange has neither approved nor disapproved the form or 
content of this release. 
CONTACT: Wendy Keyzer MDA External Relations (604) 231-2743 
SOURCE: MacDonald, Dettwiler and Associates Ltd. 
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CO: MacDonald, Dettwiler and Associates Ltd.
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-0- Apr/25/2013 21:00 GMT
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