Pioneer Announces That Its Shelf Registration Statement Is Now Effective

Pioneer Announces That Its Shelf Registration Statement Is Now
Effective 


HOUSTON, Sept. 16  /PRNewswire-FirstCall/ -- Pioneer Companies, Inc. (OTC:PONR)
(BULLETIN BOARD: PONR)  announced that the Securities and Exchange Commission
has declared that the shelf registration statement on Form S-3 that Pioneer
filed on September 9, 2004, is now effective.

The registration statement allows Pioneer to issue common stock, preferred
stock, warrants, senior debt and subordinated debt up to an aggregate amount of
$100 million from time to time, providing enhanced flexibility to benefit from
market conditions to enhance Pioneer's capital structure.

Pioneer, based in Houston, manufactures chlorine, caustic soda, bleach,
hydrochloric acid and related products used in a variety of applications,
including water treatment, plastics, pulp and paper, detergents, agricultural
chemicals, pharmaceuticals and medical disinfectants.  Pioneer owns and
operates four chlor-alkali plants and several downstream manufacturing
facilities in the United States and Canada.

This press release shall not constitute an offer to sell or the solicitation of
an offer to buy nor shall there be any sale of these securities in any state in
which such offer, solicitation or sale would be unlawful prior to registration
or qualification under the securities laws of any such state.

At the time any of the securities covered by the registration statement are
offered for sale, a prospectus supplement will be prepared and filed containing
specific information about the terms of any such offering.  When available,
such a written prospectus may be obtained by contacting the underwriters which
are named in any such prospectus supplement or by contacting Pioneer Companies,
Inc., 700 Louisiana Street, Suite 4300, Houston, Texas 77002, Attn: Kent R.
Stephenson, Vice President, General Counsel and Secretary.

Except for the historical information contained herein, this news release
contains forward-looking statements and assumptions by Pioneer that involve
risks and uncertainties, including the benefits to be obtained by Pioneer from
the use of such shelf registration.  These forward-looking statements are based
on current expectations and Pioneer assumes no obligation to update this
information.  In addition, the events described in these forward-looking
statements may not actually arise or may occur in a different manner than
anticipated as a result of various factors, including market conditions, as
well as other factors described from time to time in Pioneer's filings with
SEC, including its annual report on Form 10-K for the year-end December 31,
2003. 

DATASOURCE: Pioneer Companies, Inc.



CONTACT:  Gary Pittman of Pioneer Companies, Inc., [phone]



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

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