LONDON (Dow Jones)--Ultra Electronics Holdings PLC (ULE.LN), a defense and aerospace company, said Friday its Maritime Systems business, based in Halifax, Nova Scotia, Canada, has been awarded a C$25 million contract by the Defense Material Organization in Den Haag, Netherlands to supply advanced sonar systems. MAIN FACTS: -The first MAPS system will be delivered in 2011. -Shares closed Thursday at 1596 pence valuing the company at GBP1.09 billion. -By Ian Walker, Dow Jones Newswires; 44-20-7842-9296; [email protected] (END) Dow Jones Newswires July 23, 2010 02:21 ET (06:21 GMT)