Alcoa (AA) - Get Alcoa Corp. Report  will close its New York headquarters, as well as seven other offices, in an effort to trim its costs by $5 million, as the company moves back to its native Pittsburgh. 

The 129-year old company moved to New York in 2006, though it has maintained its offices in Pittsburgh, which already has 205 employees working there. The move is expected to be made September 1. 

Alcoa will close its offices in Richmond, Virginia; Nashville, Tennessee; and Chicago, as well as Milan and Geneva in Europe; Reykjavik, Iceland, and Beijing.

Alcoa shares were up nearly 2% premarket. 

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