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Trillium Gold Intersects New East-West Structures at Newman Todd

Exploration Programs

NEWS RELEASE

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

Trillium Gold Intersects New East-West

Structures at Newman Todd

• 4 metres @ 24.2 g/t gold including 1.15 metres @ 73.67 g/t gold from NT21-

202 in a new east-west fault corridor more than 400 metres southwest

along the NT Zone from the Main Zone Fault

• Wide zone of 15.5 metres @ 4.6 g/t gold containing 1.45 metres @ 35.86 g/t Au

from 247 metres downhole in NT21-196

• Testing and confirming gold mineralization on multiple east-west structures

cutting through the NT Zone

Vancouver, British Columbia, Canada. April 20, 2022 – Trillium Gold Mines Inc. (TSXV:TGM,

OTCQX:TGLDF, FRA:0702) (“Trillium Gold” or the “Company”) is pleased to report results from

drill holes NT21-195 to -203 and RV21-36A at the Company’s 100% owned Newman Todd (NT)

Complex. Despite having been drilled in the last quarter of 2021, final results from these holes

have only been received in late March 2022 due to the general backlog in assay laboratory

turnaround.

The group of drillholes was designed to follow up on previous results and to initiate testing of

newly interpreted east -west (E-W) structural corridors cutting through the NT Zone. Significant

intersection highlights from these holes are listed in Table 1 below and can be viewed on sections

located on Trillium Gold’s website at www.trilliumgold.com.

William Paterson, Trillium Gold’s Vice President of Exploration added, “We continue to intersect

significant mineralization as we follow up on the known east-west structures within the NT Zone

and have received additional significant results as we begin to test new interpreted structures

further southeast along the NT Zone. Our structural model and int erpreted controls on the gold

mineralization seem to be holding up well. Further work is necessary, but we are confident that

subsequent drilling will yield similar results as we continue our work. We also feel it is time to

commence testing high-priority structural targets both east and west of the NT Zone in order to

begin expanding the resource footprint in the greater project area.”

Russell Starr, Interim Chairman, President and CEO of Trillium Gold commented, “This program

is the culmination of months of piecing together a complex network of historic data that

encountered high grade intercepts lacking explanation and focused almost entirely inside the NT

Zone. These results have validated our interpretation that several other struct ures displaying

significant widths of mineralization can be found by stepping out of the Main Zone to enhance the

value of the overall project. The Newman Todd-Rivard project has yet to be meaningfully drilled

beyond 400 metres at depth and continues to evolve as a more viable open-pit scenario with

further informed drilling.”

NEWS RELEASE

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

Hole NT21- 195 targeted high-grade Rivard-style quartz vein mineralization along the footwall

contact of the NT Zone where two of the more significant results were found in siliceous NT Zone

breccia segments offset into the footwall along E-W faults.

Holes NT21-196 and -197 followed up on previous significant intersections associated with hole

NT21-194 (9m @ 19.73 g/t Au) and the Camp Zone Fault (see NR dated September 23, 2021).

Hole NT21-196 was drilled above hole NT21-194 and intersected mineralized portions of the NT

Zone with veining containing visible gold (VG) associated with galena and sphalerite, located in

the footwall contact area. Hole NT21-197 stepped back to collar in the Camp F ault area testing

the down-dip continuity of mineralization and the E-W Main Zone Fault structure. Both holes

returned numerous significant assay results ; NT21-196 throughout the hole, with VG seen in

quartz veins between 257.8m and 259.4m , and in the lower portion of NT21-197, in the Main

Zone Fault area. See Figures 1 and 2.

In the south region of the Main Zone portion of the NT Zone, a series of holes (NT21-198 to -203)

were drilled to the north and south across known and newly interpreted E-W breccia fault corridors

crossing the NT Z one, often seen associated with better grade mineralization and Rivard -style

quartz vein clusters along the fault trends . The Rivard- style vein intersected in NT21 -202 at

262.25 - 264.2m contained multiple specks of VG and assayed 4m @ 24.2 g/t Au. All the ho les

returned grades and widths as expected, supporting the interpretation that these E-W structural

corridors are influencing and focusing gold in the NT Zone.

In the southwest portion of the NT Zone, hole RV21-36A was drilled to assist in refining the model

for the south portion of the NT Zone, as well as the SW Zone, and greatly extends the depth and

extents of known mineralization. The hole first intersected the SW Zone showing patchy

mineralization followed by a second breccia zone , towards the southeast, correlating to the NT

Zone proper. In addition, the VG located in a sheared felsic volcanic section (at 695.5m) and in a

quartz lens (at 705.5m) , in the lower portion of the hole, expands the limits of VG occurrences

cored in the project area. The E -W fault corridor associated with this gold mineralized zone is a

new addition into our model for future targeting. Two very significant intercepts were received

from this hole of 0.45m @ 17.5 g/t Au from 695.35m and 12m @ 3.08 g/t Au from 704m (including

1m @ 22.6 g/t Au). This hole was only stopped due to diminishing drill productivity.

NEWS RELEASE

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

Figure 1: Geology plan showing the location of drillholes NT21-195 to NT21-203 and RV21-36A.

Figure 2: Long Section view (looking northwest) showing NT Zone model, exploration block model, historical results

and significant intersections from NT21-195 to NT21-203 and RV21-36A.

NEWS RELEASE

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

Table 1: Highlights of significant intercepts from holes NT21-195 to -203 & RV21-36A. A full listing of Significant

Intercepts can be found on Trillium Gold’s website (www.trilliumgold.com).

Hole ID From (m ) To (m) Width (m) Au (g/t)

NT21-195 200 200.5 0.5 15.2

NT21-196 25.25 25.6 0.35 13.1

147 192 45 1.07

Incl. 155.5 162 6.5 3.02

and 160 162 2 5.35

224 236 12 2.23

Incl. 226 232 6 4.18

and 231 232 1 21.8

241 316 75 1.86

Incl. 242 243 1 12.2

Incl. 247 262.5 15.5 4.6

and 258 259.45 1.45 35.86

Incl. 266 268 2 4.58

Incl. 283.3 291 7.7 2.43

and 283.3 284 0.7 6.38

NT21-197 420 448 28 1.85

Incl. 421.8 424.8 3 2.95

Incl. 437.55 442 4.45 5.08

and 439.4 440.15 0.75 24.3

NT21-198 506 508 2 5.14

NT21-199 223 257 34 1.14

Incl. 224.8 230 5.2 2.53

and 224.8 225.65 0.85 6.67

and 229.4 230 0.6 9.85

and 247 247.6 0.6 6.33

NT21-201 215 216 1 24.8

NT21-202 151 156 5 2.58

Incl. 152 153 1 11.1

262 266 4 24.2

Incl. 262.85 264 1.15 73.67

NT21-203 83.25 85 1.75 8.51

Incl. 83.85 84.53 0.68 21.4

RV21-36A 695.35 695.8 0.45 17.5

704 716 12 3.08

Incl. 705 706 1 22.6

Incl. 713 714 1 8.67

Table 2: Drill collar details for drill holes NT21-195 to -203 and RV21-36A - UTM zone 15, NAD 83.

Hole ID Easting Northing Elevation Length (m) Dip Azimuth

NT21-195 420400 5656370 359 342 -45 86

NT21-196 420835 5656584 365 336 -45 190

NT21-197 420905 5656679 359 462 -45 190

NT21-198 420366 5656216 366 570 -49 188

NT21-199 420498 5656071 367 422 -51 1

NT21-200 420500 5656177 367 272 -45 1

NT21-201 420500 5656177 365 572 -47 224

NT21-202 420349 5655855 358 383 -45 1

NT21-203 420354 5656037 360 263 -47 1

RV21-36A* 420025 5655958 384 947 -62 135

* Note: Drillhole RV21-36 was abandoned at 21m.

NEWS RELEASE

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

All drilling was supervised by Paul Barc, PGeo. The drilling was conducted by Rodren Drilling

Ltd., of West St. Paul, Manitoba. Drill core was logged and sampled in a secure core facility on

site. Core samples from the program were cut in half, using a dia mond cutting saw, and half

cores were sent for analysis to Activation Laboratories Ltd. in Dryden and Thunder Bay, ON,

both accredited mineral analysis laboratories. All samples were analysed for gold using standard

Fire Assay-AA techniques. Samples returning over 10.0 g/t gold were analyzed utilizing standard

Fire Assay-Gravimetric methods. Any samples with results greater than one ounce per ton gold

were also analyzed with a standard 1 kg metallic screen fire assay. Certified gold reference

standards, blanks and duplicates are routinely inserted into the sample stream, as part of Trillium

Gold’s quality control/quality assurance program (QAQC) to monitor accuracy and precision. No

QAQC issues were noted with the results reported herein. All drill intercepts reported are down-

hole core lengths, which do not necessarily represent true widths. References to visible gold

(VG) are factual observations and should not be construed as quantifiable grade.

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.

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

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

604-688-9588.

Visit our website at www.trilliumgold.com.

On behalf of the Board of Directors,

Trillium Gold Mines Inc.

Russell Starr

Interim Chairman, President, CEO

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 , the 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 non- binding LOI 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.

NEWS RELEASE

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

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

government, legislation, taxation, controls, regulations and political or economic developments; ris ks 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.