UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) ý Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended June 30, 2021 or ¨ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to Commission File Number: 001-34146 CLEARWATER PAPER CORPORATION (Exact name of registrant as specified in its charter) Delaware 20-3594554 (State or other ju ...

Financial Data and Key Metrics Changes - The company reported net sales of $426 million and adjusted EBITDA of $54 million for Q1 2021, indicating strong financial performance despite challenges [5][18] - Net income for the first quarter was $12 million, with diluted net income per share at $0.71 and adjusted income at $0.69 per share [18] Business Line Data and Key Metrics Changes - The paperboard business experienced strong demand, particularly in the folding carton segment, leading to announced price increases across the SBS product portfolio [5][10] - The tissue business faced lower orders and shipments, with a nearly 20% decline in overall tissue dollar sales compared to Q4 2020, attributed to consumer de-stocking and elevated inventory levels [6][15] Market Data and Key Metrics Changes - The U.S. tissue market is traditionally split into 2/3 at-home and 1/3 away-from-home consumption, with total demand around 10 million tons per year [13] - The company estimates an excess inventory of over a month between consumers and retailers, impacting tissue demand and shipments [14][15] Company Strategy and Development Direction - The company is focused on implementing price increases in the paperboard business and managing costs in the tissue segment to address inflation and lower demand [30][32] - A transformation effort has been launched to improve core operations, supported by a consulting firm, aimed at achieving the company's full potential over the next several years [32] Management's Comments on Operating Environment and Future Outlook - Management acknowledged significant cost inflation and a temporary decrease in tissue demand, with expectations of a mid double-digit decline in tissue volume year-over-year for 2021 [27][28] - The company remains optimistic about long-term consumption growth in the tissue market, projecting a growth rate of 1% to 2% per year [15][28] Other Important Information - The company reduced net debt by $21 million using free cash flows generated during Q1 2021, maintaining a strong balance sheet with liquidity of $282.7 million [7][23] - The planned maintenance outage at the Lewiston mill is expected to impact earnings by $21 to $24 million, consistent with prior expectations [25] Q&A Session Summary Question: What is the expected timeline for the SBS pricing increase to take effect? - Management indicated it would take about two quarters to fully implement the price increase [36][37] Question: How will lower sales and production cuts impact the second quarter? - Management provided a breakdown of expected costs, indicating a significant impact from production cuts and lower sales [40] Question: What strategies are being implemented to mitigate rising costs in tissue? - The company is working with customers on pricing adjustments and product changes to address rising costs [41][42] Question: How is the company positioned regarding the recent acquisition of a large independent carton producer? - Management stated that their exposure to the acquired producer is limited and emphasized strong relationships with independent converters [44] Question: Is the downtime in Q2 sufficient to clear the inventory overhang? - Management noted uncertainty regarding the exact amount of overhang but indicated that the downtime is aimed at matching demand and reducing inventory [46][47] Question: What is the company's philosophy regarding quarterly guidance? - Management explained that due to significant changes in business conditions, they are providing expectations rather than specific guidance [54][56] Question: What is the current focus on capital allocation? - The company is prioritizing debt reduction, targeting a leverage ratio of 2.5x, with no expectation to achieve that this year [60][61]

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) ý Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended March 31, 2021 or ¨ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to Commission File Number: 001-34146 CLEARWATER PAPER CORPORATION (Exact name of registrant as specified in its charter) Delaware 20-3594554 (State or other j ...

Clearwater Paper Corporation (NYSE:CLW) Q4 2020 Earnings Conference Call February 25, 2021 5:00 PM ET Company Participants Sloan Bohlen - Investor Relations Arsen Kitch - President and Chief Executive Officer Mike Murphy - Chief Financial Officer Conference Call Participants Mark Wilde - Bank of Montreal Adam Josephson - KeyBanc Roger Spitz - Bank of America Paul Quinn - RBC Capital Markets Operator Ladies and gentlemen, thank you for standing by and welcome to the Clearwater Paper 4Q ‘20 Earnings Conferenc ...

`UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ý ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 or ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-34146 | --- | --- | |----------------------------------------------------------------------------|--------------------------------- ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) ý Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended September 30, 2020 or ¨ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to Commission File Number: 001-34146 CLEARWATER PAPER CORPORATION (509) 344-5900 (Registrant's telephone number, including area code) ____________________ ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) ý Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended June 30, 2020 or ¨ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to Commission File Number: 001-34146 CLEARWATER PAPER CORPORATION (Exact name of registrant as specified in its charter) DE 20-3594554 (State or other jurisdic ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) Title of each class Trading Symbol(s) Name of each exchange on which registered ý Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended March 31, 2020 or ¨ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to Commission File Number: 001-34146 CLEARWATER PAPER CORPORATION (Exact name ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ý ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2019 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Delaware 20-3594554 (State or other jurisdiction of incorporation or organization) (IRS Employer Identification No.) 601 W. Riverside Avenue, Suite 1100 Spokane ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) ý Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended September 30, 2019 or ¨ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 | --- | --- | |-------------------------------------------------------------------------------|------------------------------------------| | For the transition period from | to | | Comm ...