EX-99.4 5 pyrex99d4.htm EX-99.4 pyrex99d4
 
 
Exhibit 99.4
CERTIFICATION OF
 
PRINCIPAL
 
EXECUTIVE OFFICER
Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
I, P.
 
Peter Pascali,
 
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/ P.
 
Peter Pascali
P.
 
Peter Pascali
Chief Executive Officer
(Principal Executive Officer)