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August 31, 2007 12:00 ET | Source: Pioneer Companies, Inc.

Pioneer Announces Convertibility of 2.75% Convertible Senior Subordinated Notes Due 2027

HOUSTON, Aug. 31, 2007 (PRIME NEWSWIRE) -- Pioneer Companies, Inc. (Nasdaq:PONR) announced today that it has mailed to the holders of its $120 million in aggregate principal amount of 2.75%...
August 31, 2007 11:03 ET | Source: Pioneer Companies, Inc.

Olin and Pioneer Announce Acquisition of Pioneer by Olin

CLAYTON, Mo. and HOUSTON, Aug. 31, 2007 (PRIME NEWSWIRE) -- Olin Corporation (NYSE:OLN) and Pioneer Companies, Inc. (Nasdaq:PONR) announced today the completion of the merger of Princeton Merger Corp....
August 28, 2007 16:52 ET | Source: Pioneer Companies, Inc.

Olin and Pioneer Announce Pioneer Shareholder Approval

CLAYTON, Mo. and HOUSTON, Aug. 28, 2007 (PRIME NEWSWIRE) -- Olin Corporation (NYSE:OLN) and Pioneer Companies, Inc. (Nasdaq:PONR) announced today that during a special meeting of the Pioneer...
August 09, 2007 15:18 ET | Source: Pioneer Companies, Inc.

Pioneer Announces 2007 Second Quarter Results

HOUSTON, Aug. 9, 2007 (PRIME NEWSWIRE) -- Pioneer Companies, Inc. (Nasdaq:PONR) today reported net income of $5.0 million, or $0.42 per diluted share, on revenues of $130.3 million for the three...
July 17, 2007 12:30 ET | Source: Pioneer Companies, Inc.

Pioneer Sets Date for Special Stockholders Meeting

HOUSTON, July 17, 2007 (PRIME NEWSWIRE) -- Pioneer Companies, Inc. (Nasdaq:PONR) announced today that it has scheduled a special meeting of its stockholders to vote on the adoption of the Agreement...
July 16, 2007 06:00 ET | Source: Pioneer Companies, Inc.

Olin and Pioneer Announce Expiration of HSR Waiting Period

CLAYTON, Mo. and HOUSTON, July 16, 2007 (PRIME NEWSWIRE) -- Olin Corporation (NYSE:OLN) and Pioneer Companies, Inc. (Nasdaq:PONR) announced today that the waiting period under the Hart-Scott-Rodino...
May 21, 2007 17:08 ET | Source: Pioneer Companies, Inc.

Pioneer Announces Conference Call to Discuss Acquisition by Olin

HOUSTON, May 21, 2007 (PRIME NEWSWIRE) -- As previously announced, Pioneer Companies, Inc. (Nasdaq:PONR) and Olin Corporation (NYSE:OLN) have reached a definitive agreement under which Olin will...
May 21, 2007 06:30 ET | Source: Pioneer Companies, Inc.

Olin to Acquire Pioneer

CLAYTON, Mo. and HOUSTON, May 21, 2007 (PRIME NEWSWIRE) -- Olin Corporation (NYSE:OLN) and Pioneer Companies, Inc. (Nasdaq:PONR) announced today that they have reached a definitive agreement under...
May 09, 2007 21:01 ET | Source: Pioneer Companies, Inc.

Pioneer Announces 2007 First Quarter Results

HOUSTON, May 9, 2007 (PRIME NEWSWIRE) -- Pioneer Companies, Inc. (Nasdaq:PONR) today reported net income of $7.2 million, or $0.61 per diluted share, on revenues of $122.4 million for the three months...
May 01, 2007 17:00 ET | Source: Pioneer Companies, Inc.

Pioneer Announces Contract to Purchase Membrane Cells for St. Gabriel Expansion Project

HOUSTON, May 1, 2007 (PRIME NEWSWIRE) -- Pioneer Companies, Inc. (Nasdaq:PONR) today announced that it has entered into a contract with Chlorine Engineers Corp., Ltd. (CEC) to purchase the membrane...