ATS to Host First Quarter Conference Call Wednesday August 17, 2011 at 10:00 am Eastern


CAMBRIDGE, ON, Aug. 3, 2011 - ATS Automation Tooling Systems Inc. (TSX:ATA) ("ATS" or the "Company") today announced it will report its first quarter results before the TSX opens on Wednesday August 17, 2011.

At 10:00 a.m. eastern Wednesday August 17, 2011, the Company will host a conference call and webcast of management's quarterly remarks and follow up question and answer period with analysts.

The listen-only webcast can be accessed live at www.atsautomation.com. The conference call can be accessed live by dialing 416 644 3414 five minutes prior.

A replay of the conference will be available on the ATS website following the call. Alternatively, a telephone recording of the call will be available for one week (until midnight August 24, 2011) by dialing 416 640 1917 and entering passcode 4462773 followed by the number sign.

About ATS

ATS Automation provides innovative, custom designed, built and installed manufacturing solutions to many of the world's most successful companies. Founded in 1978, ATS uses its industry-leading knowledge and global capabilities to serve the sophisticated automation systems' needs of multinational customers in industries such as life sciences, computer/electronics, energy, transportation and consumer products. It also leverages its many years of experience and skills to fulfill the specialized automation product manufacturing requirements of customers. Through Photowatt, ATS participates in the growing solar energy industry. ATS employs approximately 3,000 people at 21 manufacturing facilities in Canada, the United States, Europe, Southeast Asia and China. The Company's shares are traded on the Toronto Stock Exchange under the symbol ATA. Visit the Company's website at www.atsautomation.com.

For further information:

Maria Perrella, Chief Financial Officer

Carl Galloway, Vice-President, Treasurer

519 653-6500

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