Risk Management

CLEARWATER PAPER CORP

Filed by

SAC CAPITAL ADVISORS LP

FORM SC 13D

(Statement of Beneficial Ownership)

Filed 05/02/12

Address

Telephone

CIK

Symbol

SIC Code

Industry

Sector

Fiscal Year

601 WEST RIVERSIDE AVENUE

SUITE 1100

SPOKANE, WA 99201

509.344.5900

0001441236

CLW

2631 - Paperboard Mills

Paper & Paper Products

Basic Materials

12/31

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934

CLEARWATER PAPER CORPORATION

(Name of Issuer)

Common Stock, $0.00005 par value per share

(Title of Class of Securities)

18538R103

(CUSIP Number)

Peter A. Nussbaum, Esq.

S.A.C. Capital Advisors, L.P.

72 Cummings Point Road

Stamford, CT 06902

(203) 890-2000

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

May 1, 2012

(Date of Event which Requires Filing of this Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is

filing this schedule because of §§240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box: 

Note: Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See Rule 240.13d-7

for other parties to whom copies are to be sent.

* The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of

securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the...