Exhibit 99.5
CERTIFICATION OF
PRINCIPAL FINANCIAL
OFFICER
I, Andre Mainella,
certify that:
1.
I have reviewed this annual report on Form 40-F of PyroGenesis
Canada Inc.;
2.
Based on
my knowledge,
this
report does
not contain
any untrue
statement
of a
material fact
or omit
to state
a
material fact necessary
to make the
statements made,
in light of
the circumstances
under which such
statements
were made, not misleading with respect to the period covered
by this report;
3.
Based
on
my
knowledge,
the
financial
statements,
and
other
financial
information
included
in
this
report,
fairly
present in all
material respects the
financial condition, results
of operations and
cash flows of
the registrant as
of,
and for, the periods presented
in this report;
4.
The registrant's other certifying officer(s) and
I are responsible for establishing and maintaining disclosure
controls
and
procedures
(as
defined
in
Exchange
Act
Rules
13a-15(e)
and
15d-15e))
and
internal
control
over
financial
reporting (as defined in Exchange Act Rules 13a-15(f)
and 15d-15(f)) for the registrant and have:
a.
Designed such
disclosure controls
and procedures,
or caused
such disclosure
controls and
procedures to
be
designed
under
our
supervision,
to
ensure
that
material
information
relating
to
the
registrant,
including
its
consolidated subsidiaries, is made known
to us by others within those
entities, particularly during the period
in
which this report is being prepared;
b.
Designed such internal control
over financial reporting, or
caused such internal control
over financial reporting
to
be
designed
under
our
supervision,
to
provide
reasonable
assurance
regarding
the
reliability
of
financial
reporting
and
the
preparation
of
financial
statements
for
external
purposes
in
accordance
with
generally
accepted accounting principles;
c.
Evaluated the effectiveness
of the registrant's disclosure
controls and procedures
and presented in this report
our conclusions about the
effectiveness of the
disclosure controls and procedures,
as of the end of
the period
covered by this report based on such evaluation; and
d.
Disclosed
in
this
report
any
change
in
the
registrant's
internal
control
over
financial
reporting
that
occurred
during the
registrant's most
recent fiscal year
that has
materially affected,
or is
reasonably likely
to materially
affect, the registrant's internal control over financial
reporting; and
5.
The
registrant's
other
certifying
officer(s)
and
I
have
disclosed,
based
on
our
most
recent
evaluation
of
internal
control
over
financial
reporting,
to
the
registrant's
auditors
and
the
audit
committee
of
the
registrant's
board
of
directors (or persons performing the equivalent functions):
a.
All significant deficiencies and material weaknesses in the design or operation of internal control over financial
reporting which are
reasonably likely
to adversely
affect the
registrant's ability
to record,
process, summarize
and report financial information; and
b.
Any fraud, whether or
not material, that involves
management or other
employees who have a significant
role
in the registrant's internal control over financial reporting.
Date: March 31
st
, 2023
By:
/s/ Andre Mainella
Andre Mainella
Chief Financial Officer
(Principal Financial Officer)
