On January 23, 2019, the Board of Directors of IPG Photonics Corporation (“IPG”) increased the size of the Board to ten, and elected as a director Gregory P. Dougherty, filling the newly created seat. The election was effective January 23, 2019. Mr. Dougherty will stand for reelection at IPG’s next annual meeting of stockholders in 2019. Also, the Board appointed Mr. Dougherty to serve on the Audit Committee of the Board as well as the Compensation Committee of the Board.