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Trillium Gold Reports High-Grade Gold Values Over Significant Strike Lengths From Surface Channel Sampling at Rivard Consecutive high-grade samples in multiple channels include: 7 metres of 60.2 g/t Au, 6.6 metres of 12.5 g/t Au and 7 metres of 8.9 g/t Au

Drill Results Exploration Programs Sampling & Geoscience Results

NEWS RELEASE

Trillium Gold Mines Inc. [email protected] +1 604 688 9588 +1 778 329 9361

Trillium Gold Reports High-Grade Gold Values Over Significant

Strike Lengths From Surface Channel Sampling at Rivard

Consecutive high-grade samples in multiple channels include:

7 metres of 60.2 g/t Au, 6.6 metres of 12.5 g/t Au and 7 metres of 8.9 g/t Au

at the VG1, VG2 and RV21-34 outcrops

VANCOUVER, BC, March 22, 2022 - Trillium Gold Mines Inc. (TSXV: TGM) (OTCQX:TGLDF)

(FRA:0702) (“Trillium Gold” or the "Company" ) is pleased to report results of surface channel

sampling and mapping at the Rivard Property, the southwest portion of the Company’s 100%-

owned Newman Todd Complex located 26 km from Evolution Mining’s Red Lake Operations

in Ontario.

Visible gold(1) is observed in quartz veins in drill holes and in outcrops and trenches across the

90 hectare property. Alteration and wide-spread gold mineralization occur extensively within

structurally and chemically favorable rocks. Historically, the Rivard Property contains both

visible gold in narrow high-grade veins as well as in broader zones of lower grade gold

mineralization ranging from <1 g/t Au to over 560 g/t Au (see new s release dated June 29,

2021 – New Discovery Hole at Rivard Confirms High Grade Visible Gold with 129.79 g/t over

1.30 metres).

The channel sampling has shown that the gold values are not confined to small areas

within the veins but occur over significant strike lengths along the veins. The absence

of gold in a small drill core intersection does not diminish the gold endowment of the greater

vein system. The table below shows the highlights of the channel sampling.

Location Channel Sampling

Length (m)

Average

Grade (g/t Au)

VG1 VG1-C1 7 60.2

VG1-C2 6 33.8

VG1-C3 6 14.8

VG2 VG2-C1 6.6 12.5

RV21-34 RV21-34 C6 4 3.2

RV21-34 C7 7 8.9

RV21-34 C8 1.9 11.1

Table 1: Highlights of channel sampling on the Rivard property.

William Paterson, Trillium Gold’s Vice President of Exploration and former Exploration

Superintendent for Goldcorp’s Red Lake Gold Mines added, “Understanding both the controls

and the geometry of the high-grade mineralization seen on surface and intersected in drilling

on Rivard is vitally important to the expansion of the overall system. We have shown that this

vein system is influenced by the east-west structures evident in the NT Zone and our work

gives us information on how to explore for and increase our success in delineating the high -

grade shoots.”

(1) Visible Gold (VG) references are factual observations and should not be construed as quantifiable

grade

NEWS RELEASE

Trillium Gold Mines Inc. [email protected] +1 604 688 9588 +1 778 329 9361

The program of outcrop washing and channel sampling focused on the Rivard (RV) veins in

areas of shallow cover. The areas were chosen from reconnaissance mapping with potential

for expanding our understanding of the association of the gold grades and structures, such as

veining and sheared vein sections identified from mapping and core logging. Other areas were

chosen from unsampled, but previously identified known gold occurrences, such as the VG1

and VG2 areas known to have visible gold (VG) at surface.

Once cleaned off, the outcrops were mapped and the information transferred to high-resolution

geo-referenced photos taken by drone. Channel samples were marked out and cut using a

rock-saw.

The Rusty Can and Access outcrops located at the southeast corner of the property were

identified as good areas for stripping and channel sampling, being in areas of minimal to no

outcropping over-top of the NT zone, where it cuts through the corner of the property.

These areas both showed a correlation of elevated assay results in cross -cutting RV-style

veining and east-west trending veining. In addition, both areas increase our understanding of

the attitude of the contacts and geometries of the NT Zone, including the embayed/fault contact

on the west side of the Rusty Can area, and offsets along east-west and Azi 140° trending

shears.

Figure 1: Location of washed outcrops and channel sampling.

NEWS RELEASE

Trillium Gold Mines Inc. [email protected] +1 604 688 9588 +1 778 329 9361

The highest-grade portions of the veins (specifically in the VG1, VG2 and RV21-34 outcrops)

show an association of the RV-style veining and narrow east-west sheared sections (see

Figures 2 and 3). The conclusion drawn is that the higher gold assays are broadly associated

with areas of intersection between the RV-style veining and the east-west structures, as pipe-

like trends.

It has also been noted, in the mapping of the VG1, 2, & RV21-34 areas, that the veining trends

associated with the higher-grade assays are slightly rotated (110° to <135° Azi relative to the

regional RV-style vein orientation of ~140° Azi) in areas nearest the narrow east-west shears.

Reviewing the drilling data with the revised plunge/pipe trends will assist in refining our

interpretation of the higher-grade mineralization in the greater project area.

Figure 2: Outcrops VG1 and VG2 showing geology, channel sample locations and assay results.

NEWS RELEASE

Trillium Gold Mines Inc. [email protected] +1 604 688 9588 +1 778 329 9361

Figure 3: Aerial photo of the RV21-34 outcrop showing geology, channel sample locations and assay results.

Outcrop images and a full listing of results for the channel sampling are available on Trillium’s

website (www.trilliumgold.com).

All the areas mapped and sampled have increased the understanding of the Rivard property

through the lithology, vein, and structural features seen and measured, and will assist in

refining future exploration and mineralization models of the property.

The technical information presented in this news release has been reviewed and approved

by William Paterson QP, PGeo, VP of Exploration of Trillium Gold Mines., as defined by NI

43-101.

On behalf of the Board of Directors,

Trillium Gold Mines Inc.

Russell Starr

Chairman, President & CEO

For further information, please contact Donna Yoshimatsu, VP Corporate Development and

Investor Relations at [email protected], (416) 722-2456, or

[email protected].

Visit our website at www.trilliumgold.com.

NEWS RELEASE

Trillium Gold Mines Inc. [email protected] +1 604 688 9588 +1 778 329 9361

About Trillium Gold Mines Inc.

Trillium Gold Mines Inc. is a growth focused company engaged in the business of acquisition,

exploration and development of mineral properties located in the Red Lake Mining District of

Northern Ontario. As part of its regional -scale consolidation strategy , t he Company has

assembled the largest prospective land package in and around the Red Lake mining district in

proximity to major mines and deposits , as well as the Confederation Lake and Birch-Uchi

greenstone belts. Recent examples are the acquisition of the Willis property southwest of and

contiguous to the Newman Todd complex, and a definitive agreement giving the Company

control over a significant portion of the Confederation Lake Greenstone Belt to more than 100

km in length. In addition, the Company has interests in highly prospective properties in Larder

Lake, Ontario.

Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is

defined in the policies of the TSX Venture Exchange) accepts responsibility for the

adequacy or accuracy of this release.

Cautionary note regarding forward-looking statements

This news release contains forward -looking information, which involves known and unknown risks,

uncertainties and other factors that may cause actual events to differ materially from current

expectations.

Forward-looking information is based on management’ s reasonable assumptions, estimates,

expectations, analyses and opinions, which are based on management’s experience and perception of

trends, current conditions and expected developments, and other factors that management believes are

relevant and reasonable in the circumstances, but which may prove to be incorrect. Such factors,

among others, include: impacts arising from the global disruption caused by the Covid-19 coronavirus

outbreak, business integration risks; fluctuations in general macroeconomic conditions; fluctuations in

securities markets; fluctuations in spot and forward prices of gold or certain other commodities; change

in national and local gove rnment, legislation, taxation, controls, regulations and political or economic

developments; risks and hazards associated with the business of mineral exploration, development and

mining (including environmental hazards, industrial accidents); inability to obtain adequate insurance to

cover risks and hazards; the presence of laws and regulations that may impose restrictions on mining;

employee relations; relationships with and claims by local communities and indigenous populations;

availability of increasing costs associated with mining inputs and labour; the speculative nature of

mineral exploration and development (including the risks of obtaining necessary licenses, permits and

approvals from government authorities); and title to properties.

Readers are cautioned not to place undue reliance on these forward- looking statements, which speak

only as of the date of this press release. The Company disclaims any intention or obligation, except to

the extent required by law, to update or revise any forward -looking statements, whether as a result of

new information, future events or otherwise.