Power of Attorney

WHEREAS, the undersigned, as a result of his service as a Director
of Pioneer Companies, Inc., a Delaware corporation (the Company)
from time to time has an obligation to file reports of changes in
his beneficial ownership of the common stock of the Company with
the Securities and Exchange Commission (the Commission) pursuant
to the Securities Exchange Act of 1934, as amended (the Exchange
Act)and the rules and regulations of the Commission
promulgated
thereunder, and intends to seek the assistance of certain
representatives of the Company in the preparation and filing of
such reports;
NOW, THEREFORE, the undersigned hereby constitutes and appoints
Michael Y. McGovern and Gary L. Pittman, or either of them(with
full power to each of them to act alone)his true and lawful
attorney-in-fact and agent, with full power of substitution, for
him and on his behalf and in his name, place and stead, in any
and all capacities, to sign, execute and file reports on Form 4
and Form 5 under the Exchange Act, as adopted by the Commission,
with the Commission, granting unto such attorneys-in-fact and
agents, and each of them, full power and authority to do and
perform each and every act and thing requisite and necessary
to be done in and about the premises in order to effectuate
the same, as fully to all intents and purposes as he himself
might or could do, if personally present, hereby ratifying and
confirming all that said attorneys-in-fact and agents, or any
of them, or their substitute or substitutes, may lawfully do
or cause to be done.
IN WITNESS WHEREOF, the undersigned has executed this Power
of Attorney as of the 1st day of April, 2006.

/s/ Charles L. Mears
Charles L. Mears