



                                  Exhibit 99.1

FOR IMMEDIATE RELEASE

March 24, 1999

Cintas  Corporation and Unitog Company are pleased to announce the completion of
their merger. Earlier today, Unitog stockholders approved the Agreement and Plan
of Merger between Unitog and Cintas Corporation, whereby Cintas acquired Unitog.
The amount of Cintas  common  stock into which one share of Unitog  common stock
will be  converted  is .5518  shares.  The total  shares which will be issued by
Cintas in the  Merger  is  approximately  5.03  million,  with the final  number
calculated after taking into  consideration  cash payments to be made in lieu of
fractional shares.

Robert J. Kohlhepp, Chief Executive Officer of Cintas Corporation,  stated, "The
Unitog acquisition is the largest and most significant  acquisition we have ever
made. The combination of our two companies will broaden our geographic coverage,
expand our  infrastructure and increase the effectiveness of every marketing and
sales  program  that we have today.  The merger will also enhance our ability to
serve our customers."

Cintas is a leader in the corporate  identity uniform business and also provides
a wide range of ancillary services including entrance mats, sanitation supplies,
first  aid  products  and  services,   and  cleanroom  supplies.   Cintas  is  a
publicly-held company traded over Nasdaq under the symbol CTAS.

The Private Securities Litigation Reform Act of 1995 provides a safe harbor from
civil  litigation for  forward-looking  statements.  This press release contains
forward-looking statements that reflect the Company's current views as to future
events and financial  performance.  These  forward-looking  statements  are made
based  on  management's   expectations  and  beliefs  concerning  future  events
impacting the Company and therefore involve a number of risks and uncertainties.
Management  cautions that  forward-looking  statements are not  guarantees  that
actual results could differ  materially  from those  expressed or implied in the
forward-looking statements.

For additional information contact:
William C. Gale, Vice President-Finance and CFO    513/573-4211
Karen L. Carnahan, Vice President and Treasurer    513/573-4013

