Boeing Co. (BA) - Get Report on Friday announced two significant commitments from major global airline carriers to purchase its airplanes.

In two separate announcements, the Chicago-based company said it has received a commitment from flyadeal, the low-cost unit of Saudi Arabian Airlines, for up to 50 737 MAX 8 jets. Flyadeal has committed to ordering 30 planes, with options for another 20, in a deal worth up to $5.9 billion at list prices.

While flyadeal has been operating Airbus SE's (AIR) - Get Report  new A320s, the airline said it has selected the 737 MAX for the future.

Separately, Boeing said Nigeria's Green Africa Airways has committed to purchase up to 100 737 MAX 8 aircraft in a deal that carries a list price of $11.7 billion. That deal is the largest aircraft agreement from Africa, and will be reflected on Boeing's Orders and Deliveries website once finalized, Boeing said. 

The commitment is evenly split into 50 firm aircraft and 50 options, it added.

The 737 MAX 8 is the fastest-selling airplane in the Boeing fleet, accumulating more than 4,800 orders from more than 100 customers worldwide.

Shares of Boeing were little changed in premarket trading on Friday, up 95 cents at $314 after finishing the day Thursday down 2.03%, or $6.50, at $313.05.

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