(Fixes typo in headline)
RIYADH, May 20 (Reuters) - A U.S.-Saudi arms deal to be signed on Saturday includes a pledge to assemble 150 Lockheed Martin Blackhawk helicopters in Saudi Arabia, an official statement about the deal said.
The $6 billion deal for Blackhawks is expected to result in about 450 jobs in Saudi Arabia, the statement said. (Reporting by Steve Holland, editing by Louise Heavens)