Colibri Resource Reports Drilling Progress at the San Perfecto Target, EP Gold Project, Sonora, Mexico, Within a Region Hosting Projects Operated by Fresnillo plc, Agnico Eagle, Osisko Development, Minera Alamos, and Aztec Minerals
Colibri Resource Reports Drilling Progress at
the San Perfecto Target, EP Gold Project,
Sonora, Mexico, Within a Region Hosting
Projects Operated by Fresnillo plc, Agnico
Eagle, Osisko Development, Minera Alamos,
and Aztec Minerals
Dieppe, New Brunswick--(Newsfile Corp. - December 17, 2025) -
Colibri Resource Corporation
(TSXV: CBI) ("Colibri" or the "Company") is pleased to provide an update on its ongoing reverse
circulation ("RC") drilling program at the San Perfecto target within the Company's 100%-owned EP
Gold Project, located in the Caborca Gold Belt, Sonora, Mexico.
Since mobilization, the Company has completed eleven (11) RC drill holes totaling approximately 906
metres at the San Perfecto and Banco de Oro targets. Drilling is continuing as planned, with crews
focused on systematically advancing the current phase of the program.
Samples from completed drill holes are currently being prepared for submission to an independent
laboratory. Subject to laboratory turnaround times, initial assay results from the first holes are anticipated
in January.
Regional Mining Activity
The State of Sonora hosts a concentration of producing and advanced-stage gold projects operated by
several established precious metals companies. Mining and development activities in Sonora include
projects operated by Fresnillo plc (La Herradura and Noche Buena mines), Alamos Gold (Mulatos Mine
and Mulatos District), Agnico Eagle Mines (La India Project), Osisko Development (San Antonio
Project), Minera Alamos (Santana Mine and Cerro de Oro Project), and Aztec Minerals (Cervantes
Project), among others.
These projects are cited for regional context only and illustrate Sonora's long-standing role as one of
Mexico's most active and infrastructure-supported mining jurisdictions.
San Perfecto Target - Drilling Progress
The San Perfecto target represents one of several priority exploration areas identified within the EP
Gold Project. Current drilling activities are focused on methodically advancing the target area while
maintaining steady operational momentum early in the program.
IMAGE 1: RC drill rig operating at the San Perfecto target, EP Gold Project, Sonora, Mexico
To view an enhanced version of this graphic, please visit:
https://images.newsfilecorp.com/files/4269/278339_803d9fe4744ea841_001full.jpg
Prime Positioning in a Major Mining District
The EP Gold Project is strategically situated within the Caborca Gold Belt, one of Mexico's most prolific
gold-bearing regions, and lies within and adjacent to the extensive concession holdings of Fresnillo plc,
the world's largest primary silver producer and Mexico's leading gold producer. (The Qualified Person
does not have direct knowledge of mineralization on the adjacent ground, and it is not necessarily
indicative of mineralization on the EP Property).
Strategic District-Scale Positioning
The EP Gold Project lies within a highly active portion of the Caborca Gold Belt where Fresnillo plc has
assembled an extensive regional land position in excess of 200,000 hectares. Colibri's EP Gold Project
is located approximately 25 kilometres east of Fresnillo's La Herradura Mine, 8 kilometres from the
former Noche Buena Mine, and approximately 17 kilometres north of Fresnillo's Tajitos gold deposit,
which is currently advancing through a preliminary economic assessment.
IMAGE 2: Regional location map showing the EP Gold Project relative to nearby Fresnillo-operated
mines and deposits within the Caborca Gold Belt, Sonora, Mexico. Locations, property boundaries,
and distances are shown for reference only.
To view an enhanced version of this graphic, please visit:
https://images.newsfilecorp.com/files/4269/278339_803d9fe4744ea841_002full.jpg
Regional Mining Environment
Sonora is Mexico's leading gold-producing state and one of its most historically significant mining
jurisdictions, with more than four centuries of gold and silver production. The Caborca Gold Belt is
recognized for its robust mineral endowment, long mining history, and well-developed infrastructure that
continues to support active exploration and development programs.
IMAGE 3: Drill pad and support equipment at the San Perfecto target, EP Gold Project
To view an enhanced version of this graphic, please visit:
https://images.newsfilecorp.com/files/4269/278339_803d9fe4744ea841_003full.jpg
Mining and Permitting Environment
Mexico has a long-established mining industry and remains an important jurisdiction for precious metals
exploration and development. In recent months, federal authorities have publicly indicated efforts to
improve the efficiency of mining-related permitting processes and to address existing application
backlogs, recognizing mining as a strategic industry within the national economy. Public disclosures by
several companies operating in Mexico, including Silver Tiger Metals and Heliostar Metals, have
demonstrated that permitting and project advancement continue to occur within established regulatory
frameworks, particularly in active mining jurisdictions such as Sonora.
Management Commentary
"The drilling program at San Perfecto is moving forward as planned, and our focus remains on building a
strong geological dataset as the program progresses," said Ian McGavney, President & CEO of Colibri
Resource Corporation. "We will continue to provide updates as work advances."
Qualified Person
Jamie Lavigne, P. Geo, an independent Qualified Person as defined in NI 43-101 and has reviewed and
approved the technical information in this press release.
About Colibri Resource Corporation
Colibri Resource Corporation (TSXV: CBI) is a Canadian junior mining company engaged in the
acquisition, exploration, and development of precious metal properties in Sonora, Mexico. Colibri holds
a 100% interest in the EP Gold Project, a 49% joint venture interest in the Pilar Gold & Silver Project,
and additional interests in highly prospective claims at Diamante.
For more information on all Colibri projects, please visit:
www.colibriresource.com
ON BEHALF OF THE BOARD
Ian McGavney
President, CEO & Director
Tel: (506) 383-4274
Email:
Notice Regarding Forward-Looking Statements
Neither the TSX Venture Exchange nor its Regulation Services Provider accepts responsibility for the
adequacy or accuracy of this release. This news release contains forward-looking statements subject to
risks and uncertainties. Actual results may differ materially.
This news release may contain forward-looking statements. Although Colibri believes that such
statements are reasonable, it can give no assurance that such expectations will prove to be correct.
Forward-looking statements are typically identified by words such as "plan," "expect," "anticipate,"
"intend," "believe," or variations of such words, and include statements with respect to the potential of
the EP Gold Project. Forward-looking statements are subject to risks, uncertainties and assumptions,
and actual results could differ materially. Readers are cautioned not to place undue reliance on these
forward-looking statements. The Company does not undertake any obligation to update forward-
looking statements except as required by law.
To view the source version of this press release, please visit
https://www.newsfilecorp.com/release/278339