NEW YORK (TheStreet) -- Information-technology firm CGI (GIB) has agreed to buy Stanley (SXE) for $1.07 billion in a cash tender offer at $37.50 a share bringing additional scale to CGI's U.S. operations, which will account for nearly half of CGI's global revenue.

The purchase price represents a premium of 23.3% over Stanley's 30-day volume weighted average stock price and 38.3% over its 60-day average. The transaction will be funded from CGI's cash on hand and existing credit facilities.

From an investor perspective, this transaction will be accretive to GAAP earnings per share within the first 12 months, the company say. CGI was trading up 0.5% at $14.51 in after-hours trading, and Stanley was trading at $29.50, up 1.7%.

Stanley provides systems and professional service support to the federal government.

-- Reported by Andrea Tse in New York

Follow Andrea Tse on Twitter and become a fan on Facebook.

Copyright 2010 TheStreet.com Inc. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed. AP contributed to this report.

More from Technology

These 5 Tech Giants Still Aren't That Expensive

These 5 Tech Giants Still Aren't That Expensive

Intel CEO Brian Krzanich's Ouster Proves CEOs Aren't Above the Rules

Intel CEO Brian Krzanich's Ouster Proves CEOs Aren't Above the Rules

Amazon, Microsoft and Google Face Backlash over ICE, Military Deals

Amazon, Microsoft and Google Face Backlash over ICE, Military Deals

As Intel Loses Its CEO, How Well Can It Compete Against Nvidia?

As Intel Loses Its CEO, How Well Can It Compete Against Nvidia?

3 Great Stock Market Sectors Millennials Should Invest In

3 Great Stock Market Sectors Millennials Should Invest In