8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

Date of Report (Date of earliest event reported):  March 18, 2010

ATS Corporation

(Exact name of registrant as specified in its charter)

Delaware	000-51552	11-3747850
(State or other jurisdiction of incorporation)	(Commission File Number)	(IRS Employer Identification No.)

7925 Jones Branch Drive, McLean, Virginia	22102
(Address of principal executive offices)	(Zip Code)

Registrant’s telephone number, including area code: (571) 766-2400

Not Applicable

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 7.01             Regulation FD Disclosure

On March 18, 2010, ATS Corporation (the “Company”) announced it expected to issue its fourth quarter earnings release on March 24, 2010 after the close of the market.  The Company will conduct a conference call at 5:00 p.m. Eastern Time on March 24, 2010 to discuss the results for the quarter and fiscal year ended December 31, 2009.  Instructions on how to access the call are contained in the press release, a copy of which is attached hereto as Exhibit 99.1

Item 8.01             Other Events

On March 18, 2010, the Company announced it will hold its annual meeting of stockholders on May 18, 2010 at its headquarters, 7925 Jones Branch Drive, McLean, Virginia 22102 at 10:00 a.m., local time.  Stockholders of record at the close of business on March 31, 2010 are entitled to notice of and to vote at the meeting.

Item 9.01             Financial Statements and Exhibits

(d) Exhibits

99.1 Press Release Dated March 18, 2010

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date:      March 18, 2010

ATS CORPORATION
By:	/s/ Dr. Edward H. Bersoff
	Dr. Edward H. Bersoff
	Chairman, President and
	Chief Executive Officer

EX-99.1

Exhibit 99.1

ATS Corporation Schedules Fourth Quarter and Full Fiscal Year 2009 Financial Results Conference Call and Announces Annual Meeting of Stockholders

MCLEAN, VA — (PRNEWSWIRE) – March 18, 2010 — ATS Corporation ("ATSC") (NYSE AMEX:  ATSC), will report earnings results for the fourth quarter and fiscal year ending December 31, 2009 after the market closes on Wednesday, March 24, 2010.  ATSC management will host a conference call at 5:00 PM ET, on March 24, 2010 to discuss the results.

The dial-in number for the live teleconference for participants based in the U.S. and Canada is 866-244-6522, conference ID # 1444239. For international participants, please call into 011-800-4040-2020 and use the same conference ID #.  A recorded replay of the teleconference will also be available on the Company website (www.atsc.com) for one year from the conference call date.

Additionally, the Company announced it will hold its annual meeting of stockholders on May 18, 2010 at its headquarters, 7925 Jones Branch Drive, McLean, Virginia 22102 at 10:00 AM, local time.  Stockholders of record at the close of business on March 31, 2010 are entitled to notice of and to vote at the meeting.

About ATS Corporation

ATSC is a leading provider of software and systems development, systems integration, infrastructure management and outsourcing, information sharing and consulting to the Department of Defense, Federal civilian agencies, public safety and national security customers, as well as commercial enterprises.  Headquartered in McLean, Virginia, the Company has more than 600 employees at 10 locations across the country. 

Any statements in this press release about future expectations, plans, and prospects for ATSC, including statements about the estimated value of the contract and work to be performed, and other statements containing the words “estimates,” “believes,” “anticipates,” “plans,” “expects,” “will,” and similar expressions, constitute forward-looking statements within the meaning of The Private Securities Litigation Reform Act of 1995. Actual results may differ materially from those indicated by such forward-looking statements as a result of various important factors, including: our dependence on our contracts with federal government agencies for the majority of our revenue, our dependence on our GSA schedule contracts and our position as a prime contractor on government-wide acquisition contracts to grow our business, and other factors discussed in our latest annual report on Form 10-K filed with the Securities and Exchange Commission on March 16, 2009, as amended on February 24, 2010. In addition, the forward-looking statements included in this press release represent our views as of March 18, 2010. We anticipate that subsequent events and developments will cause our views to change. However, while we may elect to update these forward-looking statements at some point in the future, we specifically disclaim any obligation to do so. These forward-looking statements should not be relied upon as representing our views as of any date subsequent to March 18, 2010.

Additional information about ATSC may be found at www.atsc.com.

Company Contact:

Joann O’Connell

Vice President, Investor Relations

ATS Corporation

(571) 766-2400

Media Contact:

Penny Parker

Corporate Communications Manager

ATS Corporation

(571) 766-2400