May 2 (Reuters) - Interfor Corp IFP.TO :
* INTERFOR REPORTS Q1'19 RESULTS
* Q1 LOSS PER SHARE C$0.23
* Q1 SALES C$451 MILLION VERSUS REFINITIV IBES ESTIMATE OF C$463.3 MILLION
* Q1 EARNINGS PER SHARE ESTIMATE C$-0.13 -- REFINITIV IBES DATA
* QTRLY TOTAL LUMBER PRODUCTION WAS 646 MILLION BOARD FEET
* QTRLY TOTAL LUMBER SHIPMENTS WERE 621 MILLION BOARD FEET