MacDonald, Dettwiler and Associates Ltd. Closes $287.7 Million Offering of Common Shares

MacDonald, Dettwiler and Associates Ltd. Closes $287.7 Million Offering of 
Common Shares 
/NOT FOR DISTRIBUTION TO U.S. NEWSWIRE SERVICES OR DISSEMINATION IN THE UNITED 
STATES/ 
RICHMOND, BC, March 27, 2013 /CNW/ - MacDonald, Dettwiler and Associates Ltd. 
("MDA" or the "Company") (TSX: MDA), a global communications and information 
company, is pleased to announce that it has closed the previously announced 
public offering of 4,145,750 shares (the "Shares") at a price of $69.40 per 
Share for gross proceeds to MDA of $287,715,050 (the "Offering"). 
"This is the first time MDA has issued equity to finance its growth," said 
Anil Wirasekara, MDA's Executive Vice President and Chief Financial Officer. 
"The acquisition of SSL on November 2, 2012 was transformational for the 
Company, and with the completion of this financing, MDA will be 
well-positioned to pursue growth opportunities." 
The Company filed a short form final prospectus in each of the provinces of 
Canada on March 21, 2013 in connection with the Offering. RBC Dominion 
Securities Inc., BMO Nesbitt Burns Inc., and TD Securities Ltd., acted as 
joint-bookrunners for a syndicate of underwriters that included National Bank 
Financial Inc., CIBC World Markets Inc., Scotia Capital Inc., Raymond James 
Ltd., Cormark Securities Inc. and GMP Securities L.P. (the "Underwriters"). 
The closing of the Offering today included the exercise in full of the 
over-allotment option of 540,750 Shares by the Underwriters. 
Further Information on the Offering: 
This press release does not constitute an offer to sell or the solicitation of 
an offer to buy any securities of MDA in the United States. The Common 
Shares described in this press release have not been and will not be 
registered under the United States Securities Act of 1933, as amended, or the 
securities laws of any state and may not be offered, sold or delivered in the 
United States or for the account or for the benefit of a U.S. person absent 
registration or an exemption from registration. 
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 
internationally. 
The Company's common shares trade under the symbol TSX:MDA. 
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Related Websites: www.mdacorporation.com 
Forward-Looking Statements 
This press release contains "forward-looking statements", within the 
definition contained in the applicable Canadian securities legislation, 
concerning the use of proceeds of the Offering. Any such forward-looking 
statements are based on MDA's current expectations, estimates, projections and 
assumptions in light of its experience and its perception of historical 
trends. Any such forward-looking statements are subject to a number of risks 
and uncertainties that could cause actual results to differ materially from 
current expectations. The risks that could cause actual results to differ from 
current expectations include, but are not necessarily limited to: changes in 
government priorities, funding levels, contracts and regulations; failure of 
third parties and subcontractors; risks associated with the design and 
operation of satellites and provision of satellite services, including 
satellite construction or launch delays, launch failures, in-orbit failures or 
impaired satellite performance; failure to anticipate changes in technology, 
technical standards and product offerings or comply with the requisite 
standards and failure of systems to meet performance requirements; 
fluctuations in foreign exchange or interest rate and stock market volatility; 
and restrictions in the Company's borrowing documents. The foregoing list of 
important factors is not exhaustive. MDA cautions readers that should certain 
risks or uncertainties materialize, or should underlying assumptions prove 
incorrect, actual results may vary significantly from those expected. 
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 release. 
Wendy Keyzer MDA External Relations (604) 231-2743 wendy@mdacorporation.com 
SOURCE: MacDonald, Dettwiler and Associates Ltd. 
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CO: MacDonald, Dettwiler and Associates Ltd.
ST: British Columbia
NI: ARO SOF NEWSTK  
-0- Mar/27/2013 12:45 GMT