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1.
    
    I have reviewed this Annual Report on Form 10-K/A (Amendment No. 1) for
the fiscal year ended August 31, 2006 (the Annual Report) of The Shaw
Group Inc.;2.
    
    Based on my knowledge, this Annual 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 Annual Report;3.
    
    Based on my knowledge, the financial statements and other financial
information included in this Annual 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
Annual Report;4.
    
    The registrants other certifying officer and I are responsible for
establishing and maintaining disclosure controls and procedures (as
defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal
control over financial reporting (as defined in Exchange Act Rule
13a-15(f) and 15d-15(f)) for the registrant and we 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 Annual
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 Annual Report our conclusions about the
effectiveness of the disclosure controls and
procedures, as of the end of the period covered by
this Annual Report based on such evaluation; andd.
    
    disclosed in this Annual Report any changes in the
registrants internal control over financial
reporting that occurred during the registrants most
recent fiscal quarter (the registrants fourth fiscal
quarter in the case of an Annual Report) 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 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 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; andb.
    
    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:
   September 28, 2007
    
    /s/ J. M. Bernhard, Jr.J. M. Bernhard, Jr.Chief Executive Officer