March 7 (Reuters) - Westport Innovations Inc WPT.TO :
* Signs amendment to merger agreement with Fuel Systems
* Under the agreement, as amended, the combined company's board of directors
will consist of nine directors, down from ten
* Says three current directors of the Fuel Systems board will be nominated to
join the combined board
* Says the exchange ratio of the agreement has been amended to include a collar
mechanism
* Says merger is currently anticipated to close in late March 2016
* Source text for Eikon ID:nCNWgwj5xa
* Further company coverage WPT.TO