Exhibit 99.1

JoS. A. Bank Clothiers Opens First Airport Store; 10 New Stores so far in 2005
with at Least 50 More Planned

    HAMPSTEAD, Md.--(BUSINESS WIRE)--May 19, 2005--JoS. A. Bank
Clothiers, Inc. (Nasdaq National Market:JOSB) announces that it has
opened the first 10 new stores of fiscal 2005. The most recent new
store has opened in BWI Airport in Baltimore, Maryland and it
represents the Company's initial test of the airport concept. The new
stores are part of the Company's plan to open 60 to 75 stores in 2005
and to grow the chain to approximately 500 stores over the next three
to four years.
    "We are on target with our plans to open 60 to 75 stores this
year," stated Robert N. Wildrick, Chief Executive Officer of JoS. A.
Bank Clothiers, Inc. "We are particularly excited about the new
airport store which could create a new retail venue for us."

    The 10 new stores have been opened in the following locations:

    --  Belden Village Mall in Canton, OH

    --  Bell Tower Shoppes in Fort Myers, FL

    --  Birkdale Commons in Huntersville, NC

    --  Bowie Town Center in Bowie, MD

    --  BWI Airport in Baltimore, MD

    --  Colonial Promenade in Athens, GA

    --  El Paso Plaza in McAllen, TX

    --  King Street in Charleston, SC

    --  The Shoppes at Bellemead in Shreveport, LA

    --  The Shops on Mesa in El Paso, TX

    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 279 stores in 37 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 as risks
associated with economic, weather, public health and other factors
affecting consumer spending, the ability of the Company to finance its
expansion plans, the mix and pricing of goods sold, the market price
of key raw materials such as wool and cotton, availability of lease
sites for new stores, the ability to source product from its global
supplier base and other competitive factors. 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, and assumes no obligation to update any of the forward-looking
statements. 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
             RJ Falkner and Company, Inc.
             Investor Relations Counsel
             R. Jerry Falkner, CFA, 800-377-9893
             info@rjfalkner.com
             E-commerce Address: www.josbank.com