Ms. Tamara Brown reports

PRIMERO TO RELEASE THIRD QUARTER 2015 RESULTS ON NOVEMBER 3, 2015

Primero Mining Corp. plans to release its third quarter 2015 operating and financial results before the market opens on Tuesday, Nov. 3, 2015. A conference call will also be held on the same day at 10 a.m. Eastern Time to discuss third quarter operating and financial results.

Participants may join the call by dialling North America toll-free 1-888-789-9572 or 416-695-7806 for calls outside Canada and the United States, and entering the participant pass code 7982094.

A live and archived webcast of the conference call will also be available at the company's website under the news and events section.

A recorded playback of the third quarter 2015 results call will be available until Jan. 31, 2016, by dialling 1-800-408-3053 or 905-694-9451 and entering the call-back pass code 4880609.