It came as the company put out its second quarter results to end November.
Gross provisional sales are expected to be from C$8.5mln to C$9.5mln, while net revenue is expected to between C$5.5mln and C$6.5mln.
In the three months to November 30, Metalla shipped and provisionally invoiced 158,865 attributable silver ounces at an average price of US$17.12 per ounce.
It generated cash margin of US$9.80 per attributable silver ounce from the Endeavor silver stream and New Luika gold mine (NLGM) stream held by Silverback Ltd.
In the second quarter, revenue from stream interest was around $3.066mln, while the net loss for the period was $440,105 - down from a loss of around $1.013mln in the preceding quarter.
The group held 16,909 attributable silver ounces as inventory on the reporting date to be realized in the subsequent quarter.