Exhibit A

JOINT FILING AGREEMENT

The undersigned agree that this Schedule 13G Amendment No. 1 dated November 14, 2025 relating to the Common Shares, no par value, of Americas Gold and Silver Corporation shall be filed on behalf of the undersigned.

NEWGEN ASSET MANAGEMENT LIMITED

By: /s/ David Dattels

Name: David Dattels

Title:   President of NewGen Asset Management Limited

NEWGEN HOLDCO LIMITED

By: /s/ David Dattels

Name: David Dattels

Title:   Authorized Signatory for NewGen Holdco Limited

NEWGEN EQUITY LONG/SHORT FUND

By: /s/ David Dattels

Name: David Dattels

Title:   President of NewGen Asset Management Limited on behalf of NewGen Equity Long/Short Fund