FILE PHOTO: A screen shows the logos and trading information for defense contractor Raytheon Co, and United Technologies Corp. on the floor at the New York Stock Exchange (NYSE) in New York, U.S., June 17, 2019. REUTERS/Brendan McDermid

BRUSSELS (Reuters) - United Technologies Corp UTX.N and Raytheon Co RTN.N have offered concessions to address EU antitrust concerns about their plan to create a $120 billion U.S. aerospace and defense giant, a filing on the European Commission website showed on Monday.

The companies submitted their concessions on Friday. The European Commission, which did not provide details in line with its policy, extended its deadline for a decision to March 13 from Feb. 28.

In January, UTC agreed to divest a military-focused GPS unit from its subsidiary Collins while Raytheon agreed to sell an airborne tactical radios unit to British defense company BAE Systems BAES.L in a bid to win regulatory clearance.

The EU competition watchdog will now seek feedback from rivals and customers before deciding whether to clear the deal, demand more concessions or open a full-scale investigation.