Exhibit 99.1

JoS. A. Bank Clothiers Sets Conference Call to Discuss Fiscal 2005 Results;
               Company Reaffirms Prior Earnings Guidance

    HAMPSTEAD, Md.--(BUSINESS WIRE)--March 31, 2006--JoS. A. Bank
Clothiers, Inc. (Nasdaq National Market:JOSB) announces today that it
has set a conference call to be held on Thursday, April 13, 2006 at
11:00 a.m. Eastern Time to discuss its results for the fiscal year
ended January 28, 2006 (fiscal 2005). The call has been re-scheduled
to be held concurrently with or subsequent to the filing of the
Company's Annual Report on Form 10-K, which is due by April 13, 2006.
    The Company also reaffirmed its prior earnings guidance which was
provided on February 2, 2006. As such, the Company expects earnings
per share for fiscal 2005 to be at least $1.92 (adjusted for stock
dividend), representing at least a 39% increase when compared with
earnings per share of $1.38 (adjusted for stock dividend) in fiscal
year 2004.
    All earnings per share amounts in this news release represent
diluted earnings per share adjusted for the 25% stock dividend that
the Company announced on December 14, 2005, under which shareholders
of record as of January 27, 2006 received one additional share of
common stock for each four shares then owned.

    JoS. A. Bank Clothiers, Inc., established in 1905, is one of the
nation's leading retailers of men's classically-styled tailored and
casual clothing, sportswear, footwear and accessories. The Company
sells its full product line through 327 stores in 40 states and the
District of Columbia, a nationwide catalog, and an e-commerce website
that can be accessed at www.josbank.com. The Company is headquartered
in Hampstead, MD, and its common stock is listed on the Nasdaq
National Market under the symbol "JOSB."

    The Company's statements concerning future operations contained
herein are forward-looking statements within the meaning of the
Private Securities Litigation Reform Act of 1995. Actual results may
differ materially from those forecast due to a variety of factors
outside of the Company's control that can affect the Company's
operating results, liquidity and financial condition. Such factors
include risks associated with economic, weather, public health and
other factors affecting consumer spending, the successful
implementation of the Company's growth strategy including the ability
of the Company to finance its expansion plans, the mix and pricing of
goods sold, the effectiveness and profitability of new concepts, the
market price of key raw materials such as wool and cotton,
seasonality, merchandise trends and changing consumer preferences, the
effectiveness of the Company's marketing programs, the availability of
lease sites for new stores, the ability to source product from its
global supplier base and other competitive factors. Other factors and
risks that may affect our business or future financial results are
detailed in our filings with the Securities and Exchange Commission,
including the Company's Annual Report on Form 10-K for the year ended
January 29, 2005. These cautionary statements qualify all of the
forward-looking statements the Company makes herein. The Company
cannot assure you that the results or developments anticipated by the
Company will be realized or, even if substantially realized, that
those results or developments will result in the expected consequences
for the Company or affect the Company, its business or its operations
in the way the Company expects. The Company cautions you not to place
undue reliance on these forward-looking statements, which speak only
as of their respective dates. The Company does not undertake an
obligation to update or revise any forward-looking statements to
reflect actual results or changes in the Company's assumptions,
estimates and projections. These risks should be carefully reviewed
before making any investment decision.

    CONTACT: JoS. A. Bank Clothiers, Inc., Hampstead
             David E. Ullman, EVP/CFO, 410-239-5715
             or
             Investor Relations Voicemail, 410-239-5900

             E-commerce Address for JoS. A. Bank Clothiers, Inc.:
             www.josbank.com