Candente Copper Announces Effective Date for Name Change to Alta Copper Corp. and Consolidation

VANCOUVER, May 17, 2023 - Candente Copper Corp. (TSX: DNT; OTCQB: DNCUF; BVL: DNT) ("Candente Copper" or the "Company") is pleased to announce that the name change of the Company to "Alta Copper Corp." and consolidation of the outstanding common shares of the Company (each, a "Common Share") on the basis of one post-consolidation Common Share for every four pre-consolidation Common Shares is anticipated to be made effective for trading purposes on Friday, May 19, 2023. It is anticipated that the Common Shares will begin trading on the Toronto Stock Exchange on a post-consolidated basis under the name "Alta Copper Corp." and the new trading symbol "ATCU" at market open on May 19, 2023. The new CUSIP of the Common Shares will be 021264106 and the new ISIN will be CA0212641066.

A letter of transmittal with respect to the consolidation and name change is being mailed to the Company's Registered Shareholders only. All Registered Shareholders with certificated Common Shares will be required to send their certificate(s) representing pre-consolidation Common Shares, along with a properly executed letter of transmittal, to the Company's registrar and transfer agent, Computershare Trust Company of Canada, in accordance with the instructions provided in the letter of transmittal. All other non-registered shareholders will automatically have their shares consolidated.

The Company will continue to trade on the OTC Markets under the trading symbol "DNCUF" on a post consolidated basis at market open on Friday, May 19, 2023.

Additionally, the Company will trade on the Bolsa de Valores de Lima ("BVL") under the new trading symbol "ATCU" on a post consolidated basis at market open on Friday, May 19, 2023.

Further details regarding the consolidation and name change are provided in the press release of the Company dated April 27, 2023.

About Candente Copper

Candente Copper is focused on the development of its 100% owned Cañariaco advanced staged copper project. Cañariaco comprises 97 square kilometers of highly prospective land located 150 kilometers northeast of the City of Chiclayo, Peru, which include the Cañariaco Norte deposit, Cañariaco Sur deposit and Quebrada Verde prospect, all within a 4km NE-SW trend in northern Peru's prolific mining district. Cañariaco is one of the largest copper deposits in the Americas not held by a major.

Cautionary Note Regarding Forward Looking Statements

This press release contains forward-looking information within the meaning of Canadian securities laws ("forward-looking statements"). Forward-looking statements are typically identified by words such as: believe, expect, anticipate, intend, estimate, plans, postulate and similar expressions, or are those, which, by their nature, refer to future events. All statements that are not statements of historical fact are forward-looking statements, including, but not limited to, statements with respect to the effective date of the consolidation and name change of the Company. These forward-looking statements are made as of the date of this press release. Although the Company believes the forward-looking statements in this press release are reasonable, it can give no assurance that the expectations and assumptions in such statements will prove to be correct. The Company cautions investors that any forward-looking statements by the Company are not guarantees of future results or performance, and are subject to risks, uncertainties, assumptions and other factors which could cause events or outcomes to differ materially from those expressed or implied by such forward-looking statements. There can be no assurance that forward-looking 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. We are under no obligation to update or alter any forward-looking statements except as required under applicable securities laws.

On behalf of the Board of Candente Copper Corp.

"Joanne C. Freeze" P.Geo., President, CEO and Director

For further information please contact:

Joanne C. Freeze, President, CEO and Director
jfreeze@candente.com +1 604 512 3359 or

Giulio T. Bonifacio, Executive Chair and Director
gtbonifacio@candente.com +1 604 318 6760
info@candentecopper.com
www.candentecopper.com