CUNO to Acquire WTC Industries, Inc.

CUNO to Acquire WTC Industries, Inc. 


MERIDEN, Conn., and EAGAN, Minn., May 26  /PRNewswire-FirstCall/ -- CUNO
Incorporated (NASDAQ:CUNO) and WTC Industries, Inc. (OTC: WTCO) (BULLETIN
BOARD: WTCO)  announced today that they have entered into a definitive merger
agreement under which CUNO will acquire WTC.  WTC, through its PentaPure,
Incorporated operating subsidiary, manufactures water filtration systems and
replacement filter cartridges for point-of-use applications, including
residential refrigerators and under-the-counter drinking water systems.   WTC
is based in Eagan, MN and currently employs approximately 220 people. During
2003 WTC's sales totaled $28.3 million and sales for the trailing twelve month
period (through its quarter ended April 2, 2004) totaled $33.8 million.  The
planned combination will increase CUNO's presence in the point-of-use water
filtration products business.

Under the terms of the transaction, which was approved by both companies'
boards of directors, WTC's stockholders will receive $39.87 in cash for each
WTC share outstanding.  WTC option and warrant holders will receive a cash
payment based on the difference between $39.87 per share and the exercise price
of their options and warrants. CUNO will also assume WTC's outstanding bank
debt of approximately $9.5 million, resulting in a total transaction value of
approximately $110 million.  CUNO plans to finance the acquisition with a
combination of existing cash and bank financing.  The acquisition is expected
to be accretive for CUNO within the first twelve months of ownership. The
transaction, which is subject to the affirmative vote of WTC's shareholders as
well as the satisfaction of customary conditions and applicable regulatory
approvals, is expected to be completed during the third quarter of CUNO's
current fiscal year.

Commenting on the transaction, Mark G. Kachur, CUNO's Chairman and Chief
Executive Officer, said "The acquisition of WTC Industries will broaden CUNO's
product line, technology portfolio and customer base and expand the Company's
presence in the water filtration business.  WTC is an excellent strategic fit
with our Potable Water business, CUNO's largest and fastest growing business.
Combining CUNO's and WTC's capabilities and strengths in engineering,
innovative product development, customized manufacturing and highly focused
customer support should enable us to provide greater value to our customers and
shareholders.  With the addition of WTC, we expect our worldwide OMA sales
(i.e. sales to OEMs, multi-level marketers, and appliance manufacturers) to
exceed $100 million in fiscal 2005 and our future growth prospects in the water
filtration business will be significantly enhanced."

WTC Industries' CEO James Carbonari said, "In view of our rapid growth, capital
needs and opportunities in hand, we believe that this transaction is in the
best interests of our shareholders, customers and employees.  We are very
excited about becoming part of CUNO, since culturally and operationally CUNO
and WTC are extremely compatible companies.  This strategic combination should
enable us to leverage our respective capabilities and talents in the water
filtration business and grow our business more effectively on a long term
basis."

Citigroup Global Markets Inc. acted as financial advisor to CUNO and Robert W.
Baird & Co. acted as financial advisor to WTC.

A conference call for interested analysts and investors will be held tomorrow
at 8:30 a.m. EDT.  The call-in number is 1-888-423-3274. Alternatively, visit
us at http://www.cuno.com/investors for a live webcast of our conference call. 
Also, visit http://www.cuno.com/ for additional information about CUNO and
http://www.pentapure.com/ for additional information about WTC.

About CUNO:

CUNO is a world leader in the design, manufacture and marketing of a
comprehensive line of filtration products for the separation, clarification and
purification of liquids and gases.  CUNO's products, which include proprietary
depth filters and semi-permeable membrane filters, are used in the potable
water, healthcare, and fluid processing markets.

About WTC:

WTC Industries, Inc. designs and manufactures water filtration products for
point-of-use applications.

Caution Concerning Forward Looking Statements:

This release contains forward-looking statements, including statements
regarding the anticipated timing of the transaction and possible performance of
the combined company after the transaction is completed. Such statements
reflect management's best judgment as of this date, but they involve risks and
uncertainties that could cause actual results to differ materially from those
presented. Factors that could cause such differences include, without
limitation, (1) the possibility of customer, supplier or employee attrition or
reaction following this transaction;  (2) the possibility that regulatory
approvals may be delayed or denied or that burdensome conditions may be imposed
in connection with such approvals; (3) failure to fully realize the expected
growth potential and cost savings from the transaction; (4) lower than expected
revenues following the transaction; (5) problems or delays in integrating the
two companies; (6) the possibility of adverse changes in global, national or
local economic or monetary conditions; (7) competition and change in the water
filtration business; and (8) other factors described in either CUNO's or WTC's
recent filings with the Securities and Exchange Commission. Those factors or
others could result, for example, in delay or termination of the transaction
discussed above. Readers should carefully consider those risks and
uncertainties in reading this release. Except as otherwise required by law,
CUNO and WTC disclaim any obligation to update any forward-looking statements
included herein to reflect future events or developments.

In connection with the proposed transaction, WTC Industries will be filing
proxy statements and other materials with the Securities and Exchange
Commission.  Investors are urged to read the proxy statement and these
materials when they are available because they contain important information.
WTC Industries and its officers and directors may be deemed to be participants
in the solicitation of proxies with respect to the proposed transaction.
Information regarding such individuals is included in WTC's information
statements and Annual Reports on Form 10-KSB previously filed with the
Securities and Exchange Commission, and in the proxy statement relating to the
merger when it becomes available. Investors may obtain a free copy of the proxy
statements and other relevant documents when they become available as well as
other materials filed with the Securities and Exchange Commission concerning
WTC Industries and these individuals at the Securities and Exchange
Commission's website at http://www.sec.gov/. These materials and other
documents may also be obtained without charge by contacting: WTC Industries,
Inc, 1000 Apollo Road, Eagan Minnesota 55121, Attn: Gregory P. Jensen.

  Contact Info:
   CUNO:
   Frederick C. Flynn, Jr.
   203/238-8847
   

   WTC:
   Greg Jensen
   651/554-3144
   

DATASOURCE: CUNO Incorporated



CONTACT: Frederick C. Flynn, Jr. of CUNO, [phone],

; or Greg Jensen of WTC, [phone],





Web site:  http://www.cuno.com/



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