* Lattice names VP as interim CEO
* Lattice shares fall 8 pct in post-mkt trade
Shares of Hillsboro, Oregon-based Lattice fell 8 percent in extended trade.
Guilmart, whose resignation is effective Sept. 4, also resigned as director of the company. He has been CEO since July 2008.
Lattice named Christopher Fanning as interim CEO and said it intends to undertake a formal search for a new CEO.
Fanning currently serves as Lattice’s corporate vice president and general manager and joined the company in 1997.
Separately, Kulicke & Soffa Industries said Guilmart will replace retiring CEO Scott Kulicke on Sept. 30.
Kulicke & Soffa said Guilmart will reside in Singapore. The company will migrate other headquarters functions to Singapore in fiscal 2011.
Shares of Lattice were trading down 44 cents at $5. They closed at $5.44 Friday on Nasdaq. Shares of Kulicke closed at $6.79. (Reporting by Sayantani Ghosh in Bangalore; Editing by Maju Samuel)