Filed by Moore Corporation Limited pursuant
                                    to Rule 425 under the Securities Act of 1933
                                Subject Company: Wallace Computer Services, Inc.
                                                 Commission File No.: 333-103205


          Moore                                Wallace
                                               total print management


                                                                    NEWS RELEASE


          Moore Corporation Limited and Wallace Computer Services, Inc.
         --------------------------------------------------------------
              Announce Expected Merger Completion Date and Election
             ------------------------------------------------------
                                    Deadline
                                    --------

LISLE,  IL,  MISSISSAUGA,  ONTARIO,  and  STAMFORD,  CT  (May  5,  2003) - Moore
Corporation Limited (TSX, NYSE: MCL) and Wallace Computer Services,  Inc. (NYSE:
WCS)  announced  today that the closing date for their  merger is scheduled  for
Thursday May 15, 2003. Under the terms of their merger  agreement,  the Election
Deadline is  therefore  fixed at 5:00 p.m.,  New York City time,  Monday May 12,
2003. This is the deadline by which all Wallace  stockholders must submit to the
exchange agent their forms of election indicating the type of consideration they
wish to receive.  Wallace stockholders may elect to receive either cash or Moore
common  shares in  exchange  for their  Wallace  common  shares,  subject to the
pro-ration  provisions of the merger agreement.  Any Wallace stockholder who
does not submit a valid election form to the exchange agent by the Election
Deadline will be deemed to have no  preference as to the form of consideration
such stockholder will receive.  Completion of the merger remains subject to
the terms and conditions of the merger agreement between Moore and Wallace.

Founded in 1882, Moore  Corporation  Limited is an  international  leader in the
management and distribution of print and digital information.  Moore operates in
three  complementary  business  segments:  Forms  and  Labels,  Outsourcing  and
Commercial.  The Forms  and  Labels  business  designs,  manufactures  and sells
business forms and labels and provides  electronic print  management  solutions.
The  Outsourcing  business  provides high quality,  high volume  variably imaged
print and mail,  electronic  statement  and database  management  services.  The
Commercial business produces  high-quality,





multi-color  personalized business  communications and provides direct marketing
services,  including project,  database and list management services.  The Moore
Internet address is www.moore.com.

Wallace  Computer  Services,  Inc.  is the  recognized  leader in  delivering  a
comprehensive  suite of world-class print management  services through its Total
Print Management (TPM) program.  Total Print Management  enables Wallace to meet
the unique  communications  challenges  of its Fortune  1000  clients  through a
single-source  solution that extends well beyond ink on paper. Offerings include
traditional and digital print capabilities,  distribution logistics, kitting and
fulfillment, digital asset management, inventory management, print optimization,
direct  marketing  and  electronic   commerce.   Founded  in  1908,  Wallace  is
headquartered  in  Lisle,  IL,  with   manufacturing,   distribution  and  sales
facilities  throughout the United  States.  For more  information,  please visit
www.wallace.com.

                                    #########

Except for historical  information,  all other  information in this news release
consists  of  forward-looking  statements  within  the  meaning  of the  Private
Securities  Litigation Reform Act of 1995. All forward-looking  statements speak
only as of the date hereof and are based on current  expectations  and involve a
number of  assumptions,  risks and  uncertainties  that  could  cause the actual
results to differ  materially  from such  forward-looking  statements.  The most
significant  of these  uncertainties  are  described  in Moore's  and  Wallace's
respective  Form 10-K,  Form 8-K and Form 10-Q  reports  and  exhibits  to those
reports,  and  include  (but are not limited  to) the costs,  difficulties,  and
uncertainties  related to the  integration of acquired  businesses,  the pending
acquisition  of Wallace by Moore.  Moore and Wallace  undertake no obligation to
update or revise any forward-looking statements.

                                ----------------


This  communication is not a solicitation of a proxy from any security holder of
Wallace  Computer  Services,   Inc.  Moore  Corporation   Limited  has  filed  a
registration  statement on Form S-4 with the Securities and Exchange  Commission
containing  a  proxy  statement/prospectus  to be  mailed  to  Wallace  Computer
Services  security  holders  concerning the planned  merger of Wallace  Computer
Services  into a subsidiary  of Moore  Corporation.  Information  regarding  the
identity of the persons who may, under SEC rules,  be deemed to be  participants
in the  solicitation  of stockholders of Wallace in connection with the proposed
merger,  and  their  interests  in the  solicitation,  is set  forth  in a proxy
statement/prospectus  filed with the SEC. WE URGE INVESTORS IN WALLACE  COMPUTER
SERVICES TO READ THE PROXY STATEMENT/PROSPECTUS AND ANY OTHER RELEVANT DOCUMENTS
TO BE FILED WITH THE SEC, BECAUSE THEY CONTAIN IMPORTANT INFORMATION.  Investors
will be able to obtain  the  documents  free of  charge  at the  SEC's  website,
www.sec.gov. In addition, documents filed with the SEC by Moore Corporation will
be available free of charge from Moore Corporation  Limited, c/o Moore Executive
Offices, One Canterbury Green, Stamford,  Connecticut 06901, Attention: Investor
Relations, Tel. (203) 406-3700 or at www.moore.com. Documents filed with the SEC
by Wallace  Computer  Services  will be available  free of charge from  Investor
Relations,  Wallace  Computer  Services,  Inc.,  2275  Cabot  Drive,  Lisle,  IL
60532-3630, Tel. (630) 588-5000.

INVESTOR COMMUNICATIONS:

Moore Contacts:                              Wallace Contacts:

Robert G. Burton Jr.                         Investors: Susan Fisher
SVP - Investor Relations                     Vice President - Investor Relations
Tel: 203-406-3712                            Tel: 630-588-6405