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Yorbeau Announces Receipt of Scheduled Cash Payment from Iamgold IN Order to Maintain Its Option ON the Rouyn Property

Mergers & Acquisitions Property Options & Staking

YORBEAU RESOURCES INC.

110 Place Crémazie, Suite 503, Montréal, QC, H2P 1B9

www.yorbeauresources.com

PRESS RELEASE

FOR IMMEDIATE RELEASE

YORBEAU ANNOUNCES RECEIPT OF SCHEDULED CASH PAYMENT FROM

IAMGOLD IN ORDER TO MAINTAIN ITS OPTION ON THE ROUYN PROPERTY

Montreal, June 1 1, 20 20 – Yorbeau Resources Inc. (TSX: YRB) (" Yorbeau" or the " Company") is

pleased to announce that in order to maintain its option to purchase a 100% interest in the Rouyn property,

IAMGOLD Corporation ("IAMGOLD") has made a cash payment to Yorbeau in the amount of $500,000

corresponding to the second in a series of scheduled cash payments to be made to Yorbeau during an

Expenditure Period of 48 months.

The terms of the definitive option agreement were announced in the Company's press release dated

December 17, 2018. Among other commitments, IAMGOLD must make scheduled cash payments in an

aggregate amount of C$4 million during the Expenditure Period. In the first year, IAMGOLD has met its

expenditure obligation to incur a minimum of C$2 million exploration expenditures on the property .

Moreover, IAMGOLD has already exceed ed their minimum drilling commitment ( completion of a

minimum of 20,000 metres of diamond drilling within the first two- years) by drilling to date more than

30,000 metres on the Rouyn property.

G. Bodnar Jr., Company president commented: " We continue to be e xtremely pleased by our business

relationship with IAMGOLD. This payment reflects the satisfaction of our partner in the results obtain ed

to date from infill and evaluation drilling programs. We are looking forward to resuming drilling activities

on Astoria in the coming weeks."

About the Rouyn Gold Project

The Rouyn Gold Property is located about 4 km south of Rouyn-Noranda, Quebec. With a long history of

mining, the city of Rouyn-Noranda offers many advantages for mining and exploration, including political

and social stability, good access and infrastructure, skilled mining personnel, and one of the most mining-

friendly jurisdictions in the world.

The property covers a 12- kilometre stretch of the Cadillac -Larder Lake Break and contains four known

gold deposits along the 6- km Augmitto-Astoria corridor situated on the western portion of the property.

Two of the four deposits, Astoria and Augmitto, ben efit from established underground infrastructure and

have been the subject of technical reports that include resource estimates that were previously filed in

accordance with Regulation NI 43-101.

The Lac Gamble zone is located between the Augmit to and the Astoria deposits. The exploration target

potential at Lac Gamble is interpreted to be between 400,000 and 600,000 ounces of gold at a grade between

7.0 and 8.5 g/t Au. The potential quantity and grade of the exploration targets referred to are conceptual in

nature and insufficient exploration work has been completed to define a mineral resource. The property

may require significant future exploration to advance to a resource stage and there can be no certainty that

the exploration target will result in a mi neral resource being delineated. The exploration targets are

consistent with similar deposits in the area, deposit models or derived from initial drilling results.

IAMGOLD signed a definitive option agreement in December 2018, whereby IAMGOLD has the opti on

to acquire a 100% interest in the Project by making scheduled cash payments totaling C$4 million and

completing exploration expenditures totaling C$9 million over a four -year period. Exploration programs

YORBEAU RESOURCES INC.

110 Place Crémazie, Suite 503, Montréal, QC, H2P 1B9

www.yorbeauresources.com

must include the completion of a minimum of 20,000 metres of diamond drilling within the first two-years

of the option. By the end of the expenditure period, IAMGOLD must complete a NI 43 -101 compliant

resource estimate, after which IAMGOLD, at its election, can purchase a 100% interest in the Project,

subject to a 2% net smelter return production royalty, by paying Yorbeau the lesser of C$15 per resource

ounce or C$30 million. IAMGOLD is in the second year of the option agreement.

About Yorbeau Resources Inc.

The Rouyn Property, wholly-owned by the Company, contains four known gold deposits in the 6-km-long

Augmitto-Astoria corridor situated on the western portion of the property. The Company signed a definitive

agreement in December 2018, whereby IAMGOLD has the option to acquire a 100% interest in the Rouyn

property, and a major drilling program is underway. Two of the four deposits, Astoria and Augmitto, benefit

from substantial underground infrastructure and have been the subject of technical reports that include

resource estim ates and that were filed in accordance with Regulation 43- 101. In 2015, the Company

expanded its exploration property portfolio by acquiring strategic base metal properties in prospective areas

of the Abitibi Belt of Quebec that feature infrastructure favo urable for mining development. The newly

acquired base metal properties include the Scott Project, which bears important mineral resources (see the

press release dated March 30, 2017) and on which a positive Preliminary Economic Assessment was

recently completed.

For additional information on the Company, consult its website at www.yorbeauresources.com.

For further information, please contact:

Sylvain Lépine, M.Sc, P. Geo G. Bodnar Jr.

General Manager Exploration, President, Chief Financial Officer

Yorbeau Resources Inc. Yorbeau Resources Inc.

[email protected] [email protected]

Tel: 819-277-0577 Tel: 514-384-2202

Toll free in North America: 1-855-384-2202

Forward-looking statements: Except for statement of historical fact, all statements in this news release,

including without limitation, regarding the prospects of the Rouyn project, drilling results, future plans and

objectives are forward-looking statements which involve risks and uncertainties. There can be no assurance

that such statements will prove to be accurate; actual results and future events could differ materially from

those anticipated in such statements. Yorbeau disclaims any obligation to update such forward -looking

statements, other than as required by applicable securities laws.