-2-


Company. This process may result in a sale of the Company to TELUS, the sale to
another third party, an equity investment into the Company by a strategic or
financial investor, the separation of certain assets of the Company or some
combination of these alternatives. There can be no assurance that this process
will lead to any transaction.

Consistent with Canadian and U.S. securities regulations, Microcell will furnish
a Director's Circular to shareholders to provide additional important
information regarding Microcell's response to the Offers on or prior to June 1,
2004. Security holders should carefully review the Director's Circular. In
connection with TELUS' unsolicited tender offer, Microcell will be filing
certain materials with the Securities and Exchange Commission today, including a
solicitation/recommendation statement on Schedule 14D-9. SECURITYHOLDERS ARE
URGED TO READ THE SOLICITATION/RECOMMENDATION STATEMENT, AS IT MAY BE AMENDED
FROM TIME TO TIME, BECAUSE IT WILL CONTAIN IMPORTANT INFORMATION. The
solicitation/recommendation statement will be amended to include the Director's
Circular when it becomes available. Investors can obtain a free copy of the
solicitation/recommendation statement, when it becomes available, and other
materials filed by Microcell with the Securities and Exchange Commission at the
SEC's Web site at http://www.sec.gov. Stockholders may also obtain, without
charge, a copy of the solicitation/recommendation statement, when available, at
www.microcell.ca.

ABOUT THE COMPANY

Microcell Telecommunications Inc. is a major provider, through its subsidiaries,
of telecommunications services in Canada dedicated solely to wireless. Microcell
offers a wide range of voice and high-speed data communications products and
services to over 1.2 million customers. Microcell operates a GSM network across
Canada and markets Personal Communications Services (PCS) and General Packet
Radio Service (GPRS) under the Fido(R) brand name. Microcell has been a public
company since October 15, 1997, and is listed on the Toronto Stock Exchange.

NOTE TO MICROCELL INVESTORS

The statements made in this release concerning Microcell's future prospects are
forward-looking statements that involve risks and uncertainties, which may
prevent expected future results from being achieved. For those statements, we
claim the protection of the safe harbour for forward-looking statements
contained in the securities laws. The Company cautions that actual future
performance could be affected by a number of factors, including technological
change, regulatory change and competitive factors, many of which are beyond the
Company's control.

Therefore, future events and results may vary substantially from what the
Company currently foresees. Additional information identifying risks and
uncertainties is contained in the Company's Annual Information Form for 2002 and
in other filings with securities commissions in Canada and the United States.

REMINDER TO HOLDERS OF CLASS A RESTRICTED VOTING SHARES AND CLASS B NON-VOTING
SHARES

The Company reminds the holders of its Class A Restricted Voting Shares and
Class B Non-Voting Shares that (i) each Class A Restricted Voting Share may, at
the option of the holder, be exchanged at any time for one Class B Non-Voting
Share and (ii) each Class B Non-Voting Share may, at the option of the holder by
providing a declaration of






                                      -3-


Canadian residency to the Company's transfer agent, be exchanged at any time for
one Class A Restricted Voting Share.

Fido is a registered trademark of Microcell Solutions Inc.

                                www.microcell.ca
                                ----------------


FOR MORE INFORMATION:

Investment community:
Thane Fotopoulos
514 937-0102, ext. 8317
thane.fotopoulos@microcell.ca
-----------------------------

Media:
Claire Fiset
514 937-0102, ext. 7824
claire.fiset@microcell.ca
-------------------------