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Altamira Gold Announces Re-Commencement of Drilling at the Maria Bonita Intrusive-Hosted Gold Discovery, Cajueiro Project, Brazil.

Exploration Programs

Altamira Gold Announces Re-Commencement

of Drilling at the Maria Bonita Intrusive-Hosted

Gold Discovery, Cajueiro Project, Brazil.

Vancouver, British Columbia--(Newsfile Corp. - December 5, 2023) -

Altamira Gold Corp. (TSXV:

ALTA) (FSE: T6UP) (OTC Pink: EQTRF)

("

Altamira

" or the "

Company

") is pleased to announce the

start of a second stage diamond-drilling programme at the Maria Bonita gold discovery at its Cajueiro

project located in the states of Mato Grosso and Para, Brazil.

Highlights:

A diamond drill programme comprising 27 diamond holes totalling 5,000m has commenced at the

Maria Bonita gold discovery located 7km NW of the Cajueiro gold deposit

Initial reconnaissance drilling at the Maria Bonita target on a strong gold-in-soil anomaly has

revealed the presence of a previously unknown intrusive containing significant intervals of

disseminated gold mineralization

The current drill programme is designed to establish the size of the mineralized system at Maria

Bonita. Recent surface soil sampling has extended the gold-in-soil anomaly which now measures

800 x 800m and is coincident with a magnetic low anomaly with dimensions of 1.5km x 800m

CEO Mike Bennett commented;

"We are very pleased to report the commencement of a second stage

of diamond drilling at the Maria Bonita discovery, at our Cajueiro project in Brazil. The main objective

of the drill program is to establish the size of the mineralized system. The initial drill holes which

returned remarkably consistent gold mineralization were drilled in a coincident gold-in-soil anomaly

and a magnetic low, and this feature is our main target.

We also aim to test for deeper, potential

feeders to the intrusive-hosted stockwork gold mineralization. This should lead to a regular stream of

drill results during the coming months."

CAJUEIRO PROJECT

The Cajueiro project is located approximately 75km NW of the town of Alta Floresta in the state of Mato

Grosso (Figure 1) in central western Brazil and is easily accessible by road and has grid power.

Cajueiro forms one of three key projects that Altamira controls in the region, the other two being Apiacas

and Santa Helena (Figure1).

Figure 1: Location of the Cajueiro, Apiacas and Santa Helena projects.

To view an enhanced version of this graphic, please visit:

https://images.newsfilecorp.com/files/4500/189864_753ad48f34e76a18_001full.jpg

The Cajueiro project has current NI 43-101 resources of 5.66Mt @ 1.02 g/t gold for a total of 185,000 oz

in the Indicated Resource category and 12.66Mt @ 1.26 g/t gold for a total of 515,000 oz in the Inferred

Resource category.

Maria Bonita Target

Initial scout drilling in the central part of an 800m by 800m gold-in-soil anomaly, resulted in the discovery

of well-developed disseminated gold mineralization within quartz stockwork vein systems, hosted in

porphyritic rhyolite intrusive rocks. The gold-in-soil anomaly is coincident with a significant magnetic low

anomaly measuring 500m N-S by 1500m E-W (Figure 2).

The initial diamond drilling returned excellent results from the initial nine diamond drill holes which include

69m @ 1g/t

in

MBA005, 50m @ 1.1 g/t gold

in

MBA004, 55m @ 1.0 g/t gold

in

MBA002, 50m @ 1.0

g/t gold

in

MBA001 and 45m @ 1.4 g/t gold

in

MBA003

(see press releases dated September 7,

2022, November 16, 2022, and January 18, 2023, and Figure 2). Disseminated gold mineralization in

the initial discovery holes is associated with quartz vein stockworks hosted within rhyolitic intrusive rocks.

There are no surface rock outcrops in the discovery area, but the preliminary drilling conducted to date

indicates that the gold mineralization extends continuously from soils on surface, through saprolite

(weathered bedrock) into the primary intrusive host rocks over most of the known mineralized zone to

date.

Figure 2: Planned diamond drill holes at Maria Bonita with Total Magnetic Intensity (TMI) aeromagnetic

data (100m line spacing) and ground magnetics (50m line spacing). The central, original discovery

drillholes (MBA001-7) are highlighted within the core of the magnetic feature. Holes MBA008 & 009,

which did not return significant gold, are located to the north-east of the lozenge shaped magnetic

feature.

To view an enhanced version of this graphic, please visit:

https://images.newsfilecorp.com/files/4500/189864_753ad48f34e76a18_002full.jpg

The current drill programme has been designed to cover the anomalous magnetic and soil geochemistry

footprint of the target. Drill holes will be oriented to the north and are planned to extend 120-150m

initially, with deeper holes to greater depth where any feeder structures are intersected.

The next phase of drilling will focus on delineating continuity of geology and mineralization in three

dimensions. Upon completion of the exploration drilling, the company aims to produce a maiden mineral

resource estimate via a recognised expert consultant.

Qualified Person

Guillermo Hughes, FAIG and M AusIMM., a consultant to the Company as well as a Qualified Person as

defined by National Instrument 43-101, supervised the preparation of the technical information in this

news release.

About Altamira Gold Corp.

The Company is focused on the exploration and development of gold and copper projects within western

central Brazil. The Company holds 8 projects comprising approximately 190,000 hectares, within the

prolific Juruena gold belt which historically produced an estimated 7 to 10Moz of placer gold. The

Company's advanced Cajueiro project has NI 43-101 resources of 5.66Mt @ 1.02 g/t gold for a total of

185,000 oz in the Indicated Resource category and 12.66Mt @ 1.26 g/t gold for a total of 515,000oz in

the Inferred Resource category.

On Behalf of the Board of Directors,

ALTAMIRA GOLD CORP.

"Michael Bennett"

Michael Bennett

President & CEO

Tel: 604.676.5660

Toll-Free:1-833-606-6271

[email protected]

www.altamiragold.com

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

policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this

release.

The securities described herein have not been registered under the U.S. Securities Act or any state

securities laws, and may not be offered or sold in the United States absent registration or an

applicable exemption from registration requirements under the U.S. Securities Act and any applicable

state securities laws.

Forward-looking Statements

Certain information contained herein constitutes "forward-looking information" under Canadian

securities legislation.

Forward-looking information includes, but is not limited to, statements with

respect to the extension of the Warrants.

Generally, forward-looking information can be identified by

the use of forward-looking terminology such as "will", "intends" or variations of such words and

phrases or statements that certain actions, events or results "will" occur.

Forward-looking statements

are based on the opinions and estimates of management as of the date such statements are made

and they are subject to known and unknown risks, uncertainties and other factors that may cause the

actual results to be materially different from those expressed or implied by such forward-looking

statements or forward-looking information, including the receipt of all necessary regulatory approvals.

Although management of the Company has attempted to identify important factors that could cause

actual results to differ materially from those contained in forward-looking statements or forward-looking

information, there may be other factors that cause results not to be as anticipated, estimated or

intended.

There can be no assurance that such statements will prove to be accurate, as actual results

and future events could differ materially from those anticipated in such statements.

Accordingly,

readers should not place undue reliance on forward-looking statements and forward-looking

information.

The Company will not update any forward-looking statements or forward-looking

information that is incorporated by reference herein, except as required by applicable securities laws.

Notes

Gold analysis has been conducted by SGS method FAA505 (fire assay of 50g charge), with higher

grade samples checked by FAA525. Analytical quality is monitored by certified references and

blanks. Until dispatch, samples are stored under the supervision the Company's exploration office.

The samples are couriered to the assay laboratory using a commercial contractor. Pulps are returned

to the Company and archived. Drill holes results are quoted as down-hole length weighted

intersections.

To view the source version of this press release, please visit

https://www.newsfilecorp.com/release/189864