EXFO Inc EXF.TO :
* EXFO REPORTS FIRST-QUARTER RESULTS FOR FISCAL 2019
* Q1 LOSS PER SHARE $0.14
* Q1 SALES $69.2 MILLION VERSUS REFINITIV IBES ESTIMATE OF $68.7 MILLION
* SEES Q2 2019 SALES $70 MILLION TO $75 MILLION
* QTRLY BOOKINGS IMPROVED 23.3% TO US$81.2 MILLION, BOOK-TO-BILL RATIO OF 1.17