Elbit Systems Ltd. (NASDAQ and TASE: ESLT) ("ESLT") has signed an agreement to invest in Pearls of Wisdom Advanced Technologies Ltd. an amount of approximately $18 million. The investment will be made by one of Elbit Systems' subsidiaries and will be performed in several stages over several years, according to a road map agreed to by Elbit Systems and the current investors. Elbit Systems' holdings in Pearls of Wisdom will increase gradually. Pearls of Wisdom, an Israeli company, develops micro-sensors for intelligence gathering, which enables terrain dominance.