Vancouver, British Columbia – January27, 2021 – M. Maurice Giroux, President and CEO of Mosaic
Minerals Corp. (“Mosaic” or the “Company”) (CSE: MOC) is pleased to announce:

Private Placement

The Company is proceeding with a non-brokered private placement of up to 6,250,000 units at $0.08
per unit to generate gross proceeds of up to $500,000. Each unit will be comprised of one common
share and one two-year share purchase warrant exercisable at $0.15 per share.Gross proceeds with
be used to advance the exploration of the Company’s properties in the Chibougamau area, and for
general working capital purposes.

About Mosaic Minerals

The Company holdsthree 100% owned claims blocks (Chrisafy, Philibert-1 and Opawica) in the
Chibougamau mining district, Nord-du-Québec, within the famous Abitibi Greenstone Beltthat hosts
Iamgold’s Nelligan and Monster Lake gold deposits as well as the Northern Superior’s recent Lac
Surprise discovery, a few kilometers to the north.

The Company also holds 100% in the 16 claim Canalask property (770 hectares) to the North West
shore of Lake Dunphy located 150 km NNW of Shefferville in SNRC 24B04. The claims are 100% owned
by Mosaic Minerals. The Canalask Property hosts 2 well-documented multi-metallic showings namely,
the Canalask and the Lac Dunphy surface showing of copper, zinc, silver and gold.

About Mosaic Minerals Corporation

Mosaic Minerals Corp., founded in 2018,is a Canadian mineral exploration companyfocused
onunlocking the potential of former Stellar AfricaGold Inc. “Stellar” Opawica Gold Project (“Opawica”)
which is located in Québec’s renowned and very prolific Chibougamau mining district, Nord-duQuébec, within the famous Abitibi Greenstone Belt.

Mosaic is gold-focused concentrating its exploration efforts where the Company’s growth potential is
the strongest.After incorporation Mosaic acquired Stellar’s Opawica project in a 100% share deal.
Mosaic then completed a Plan of Arrangement with Stellar establishinga shareholder baseof more
than 1,000 new Mosaic shareholders. Since the acquisition Mosaic has actively explored Opawica

completing its Phase I exploration program at the end of 2019 with results that warrant advancing
witha Phase II program.

The technical content of this press release has been reviewed and approved by Éric Allard, an
independent consultant and a Qualified Person as defined in NI 43-101.