** Shares in Exosens EXENS.PA and Theon THEON.AS rise 7.5% and 4% respectively, after the two night-vision systems makers announced a new contract with European defense equipment agency OCCAR for 100,000 night vision goggles (NVG)
** Contract has a total value of 1 billion euros ($1.17 billion) for Theon, 500 million euros for Exosens
** Contract "represents the largest single procurement of NVGs in the history of a European NATO member," Theon says in statement
** If gains hold, Exosens stock has gained 167% year-to-date, while Theon is up 158% so far this year
($1 = 0.8547 euros)
(Reporting by Dimitri Rhodes)
((Dimitri.Rhodes@thomsonreuters.com;))