UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of report (Date of earliest event reported): July 29, 2008

Packaging Corporation of America

(Exact name of registrant as specified in its charter)

Delaware		1-15399		36-4277050
(State or other jurisdiction		(Commission File Number)		(IRS Employer
of incorporation)				Identification No.)

1900 West Field Court, Lake Forest, Illinois 60045
(Address of Principal Executive Offices, including Zip Code)

(847) 482-3000
(Registrant’s Telephone Number, Including Area Code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o		Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o		Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o		Pre-commencement communications pursuant to Rule 14d-2 (b) under the Exchange Act (17 CFR 240.14d-2(b))

o		Pre-commencement communications pursuant to Rule 13e-4 (c) under the Exchange Act (17 CFR 240.13e-4(c))

 

 

Item 7.01.		Regulation FD Disclosure.

The information furnished in this Current Report on Form 8-K, including all exhibits, shall not be deemed “filed” hereunder for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated by reference in any filing under the Securities Exchange Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

On July 29, 2008, Packaging Corporation of America issued a press release reporting an explosion at its Tomahawk, Wisconsin mill, which resulted in three fatalities and one injured employee. The press release is furnished as Exhibit 99.1 to this report on Form 8-K and is incorporated herein by reference. The cause of the explosion remains under investigation and the mill is fully operational.

Item 9.01.		Financial Statements and Exhibits.

     (D) Exhibits

          99.1 Press Release dated July 29, 2008.

SIGNATURES

     Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: July 30, 2008

Exhibit 99.1

FOR IMMEDIATE RELEASE:

PACKAGING CORPORATION OF AMERICA REPORTS EXPLOSION AND THREE FATALITIES AT ITS TOMAHAWK, WISCONSIN PAPER MILL

Lake Forest, IL July 29, 2008 — Packaging Corporation of America (NYSE: PKG) reports that on Tuesday, July 29, 2008 at approximately 1:30 pm CST, an explosion occurred in a recycled fiber storage tank at its Tomahawk, Wisconsin paper mill which resulted in three fatalities. The three individuals were employees who were engaged in maintenance activities on top of the tank when the explosion occurred. A fourth employee, who was standing on a platform at a lower level of the tank was injured. The exact cause of the explosion is not known and is under investigation.

Names of the deceased and injured employees have not been released pending notification to their families.

Further information will be released, as appropriate, when it becomes available.