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RTG Major Sponsor FOR Bougainville Day and Supporting Bougainville Women’S Federation Announcement to the Toronto Stock Exchange

Corporate Updates

NOT FOR DISTRIBUTION TO UNITED STATES NEWS WIRE SERVICES OR FOR

RELEASE IN THE UNITED STATES

RTG MAJOR SPONSOR FOR BOUGAINVILLE DAY

AND

SUPPORTING BOUGAINVILLE WOMEN’S FEDERATION

ANNOUNCEMENT TO THE TORONTO STOCK EXCHANGE

PRESS RELEASE

21 JUNE 2018

RTG Mining Inc. (TSX: RTG, ASX: RTG) (“ RTG” or the “ Company”) was pleased to be

invited as the major and naming sponsor for the festivities on Bougainville Day in Arawa.

Bougainville Day is an annual celebration to commemorate the day on which Bougainville

was granted autonomous self -government. The celebration is a community event with

backing of local business houses and the Kieta District Administration.

RTG was proud to be invited as the major sponsor and was happy to support Bougainville

and its people on this important day . The Chairman of the Special Mining Lease

Osikaiyang Landowners Association, Mr Philip Miriori gave a speech as part of the

opening ceremony . There were s pecial performances and activities throughout the

celebration which included the famous beats of the B ougainville Bamboo Band and

traditional dancing and singing from the various areas in the region. Local organisations

were showcased in Arawa i ncluding the Special Mining Lease Osikaiyang Landowners

Association who had a stall with information regarding its plans with RTG for Panguna and

community projects.

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RTG is also pleased to report that we have been working with the Bougainville Women’s

Federation who participated in the national congress of women representatives from

throughout Papua New Guinea and Bougainville, focusing on a customary reconciliation of

all groups attending to support a peaceful and successful decision on Independence . The

conference has included 21 Provincial Presidents and Executive including the local

Regional President, Ms Rachel Tsien, Sub-Regional President Ms Josephine Kauona and

Ms Rosemary Moses . The ladies from all of the federations in PNG and Bougainville

participated in a reconciliation ceremony recognizing the deaths of husbands, sons and

daughters in the Bougainville Crisis and the subsequent suffering the women of PNG and

Bougainville have endured.

Mr Sam Kauona, a highly respected local landowner provided the ladies with an overview

of the history of Bougainville and also expressed his support for RTG. Mr Kauona said

“RTG should be the team to take Panguna forward successfully this time: n ot like the past

which he would never welcome back. RTG are working well with the locals and have

helped us build unity, that is what we needed.”

Most of Central Bougainville is a matrilineal society recognising strongly the importance of

the women to th e family unit, while also being the customary landowners of much of

Bougainville, including the Panguna region. RTG’s CEO, Ms Justine Magee took great

pleasure in supporting and encouraging these women to ensure they are given a proper

forum to express th eir views , undertake customary reconciliation events and share

experiences with their colleagues and friends. Ms Magee participated in the closing

ceremony. RTG respects and value s the important work these women are doing. We

were again honoured to be inv ited to help and support them in these endeavours and

encourage their continued success.

ABOUT RTG MINING INC.

RTG Mining Inc. is a mining and exploration company listed on the main board of the

Toronto Stock Exchange and Australian Securities Exchange Limited. RTG is focused on

a proposal with a landowner lead consortium to secure an exploration licence at the hi gh

tonnage copper -gold Panguna Project in Bougainville PNG and the high-grade

copper/gold/magnetite Mabilo Project in the Philippines, while also identifying major new

projects which will allow the Company to move quickly and safely to production.

RTG has an experienced management team which has to date developed seven mines in

five different countries, including being responsible for the development of the Masbate

Gold Mine in the Philippines through CGA Mining Limited, and has B2Gold as one of its

major shareholders in the Company. B2Gold is a member of both the S&P/TSX Global

Gold and Global Mining Indices.

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ENQUIRIES

Australian Contact US Contact

President & CEO – Justine Magee Investor Relations – Jaime Wells

Tel: +61 8 6489 2900 +1 970 640 0611

Fax: +61 8 6489 2920

Email: [email protected] [email protected]

CAUTIONARY NOTE STATEMENT

This announcement includes certain “forward -looking statements” within the meaning of

Canadian and applicable securities legislation. Statements made or implied relating to the

Private Placement and the anticipated closing thereof, the Company's objectives,

strategies to achieve those objectives, the Compan y's beliefs, plans, estimates and

intentions, and similar statements concerning anticipated future events, interpretation of

exploration results, plans for further exploration and accuracy of mineral resource and

mineral reserve estimates and related assum ptions and inherent operating risks, are

forward-looking statements. Forward -looking statements involve various risks and

uncertainties and are based on certain factors and assumptions. There can be no

assurance that such statements will prove to be accura te, and actual results and future

events could differ materially from those anticipated in such statements. Important factors

that could cause actual results to differ materially from RTG’s expectations include

uncertainties related to market conditions an d demand for the Private Placement, the

receipt of requisite shareholder and regulatory approvals, fluctuations in gold and other

commodity prices and currency exchange rates; uncertainties relating to interpretation of

drill results and the geology, conti nuity and grade of mineral deposits; uncertainty of

estimates of capital and operating costs, recovery rates, production estimates and

estimated economic return; the need for cooperation of government agencies in the

development of RTG’s mineral projects; the need to obtain additional financing to develop

RTG’s mineral projects; the possibility of delay in development programs or in construction

projects and uncertainty of meeting anticipated program milestones for RTG’s mineral

projects and other risks and uncertainties disclosed under the heading “Risk Factors” in

RTG’s Annual Information Form for the year ended 31 December 2016 filed with the

Canadian securities regulatory authorities on the SEDAR website at sedar.com. The

forward‐looking statements made in this announcement relate only to events as of the

date on which the statements are made. RTG will not release publicly any revisions or

updates to these forward ‐looking statements to reflect events, circumstances or

unanticipated events occurring after the date of this announcement except as required by

law or by any appropriate regulatory authority.

NOT FOR RELEASE OR DISTRIBUTION IN THE UNITED STATES

This announcement has been prepared for publication in Canada and Australia and may

not be released or distributed in the United States. This announcement does not constitute

an offer to sell, or a solicitation of an offer to buy, securities in the United States or any

other jurisdiction. Any securities described in this announcement have not been, and w ill

not be, registered under the US Securities Act of 1933, as amended (the “US Securities

Act”), or any state securities laws, and may not be offered or sold in the United States

except in transactions exempt from, or not subject to, registration under th e US Securities

Act and applicable US state securities laws.