SHW 10-Q Quarter ended June 30, 2012

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D. C. 20549

FORM 10-Q

(Mark One)

For the Period Ended June 30, 2012

or

For the transition period from to

Commission file number 1-04851

THE SHERWIN-WILLIAMS COMPANY

(Exact name of registrant as specified in its charter)

(216) 566-2000

(Registrant’s telephone number including area code)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.    Yes x No ¨

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).    Yes x No ¨

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check one:)

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    Yes ¨ No x

Indicate the number of shares outstanding of each of the issuer’s classes of common stock, as of the latest practical date.

Common Stock, $1.00 Par Value – 102,632,285 shares as of June 30, 2012.

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THE SHERWIN-WILLIAMS COMPANY AND SUBSIDIARIES

Thousands of dollars, except per share data

See notes to condensed consolidated financial statements.

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THE SHERWIN-WILLIAMS COMPANY AND SUBSIDIARIES

Thousands of dollars

See notes to condensed consolidated financial statements.

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THE SHERWIN-WILLIAMS COMPANY AND SUBSIDIARIES

Thousands of dollars

See notes to condensed consolidated financial statements.

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THE SHERWIN-WILLIAMS COMPANY AND SUBSIDIARIES

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)

Periods ended June 30, 2012 and 2011

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with U.S. generally accepted accounting principles (GAAP) for interim financial information and the instructions to Form 10-Q. Accordingly, they do not include all of the information and footnotes required by U.S. GAAP for complete financial statements. In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for a fair presentation have been included.

There have been no significant changes in critical accounting policies since December 31, 2011. Accounting estimates were revised as necessary during the first six months of 2012 based on new information and changes in facts and circumstances. Certain amounts in the 2011 condensed consolidated financial statements have been reclassified to conform to the 2012 presentation.

The Company primarily uses the last-in, first-out (LIFO) method of valuing inventory. An actual valuation of inventory under the LIFO method can be made only at the end of each year based on the inventory levels and costs at that time. Accordingly, interim LIFO calculations are based on management’s estimates of expected year-end inventory levels and costs are subject to the final year-end LIFO inventory valuation. In addition, interim inventory levels include management’s estimates of annual inventory losses due to shrinkage and other factors. The final year-end valuation of inventory is based on an annual physical inventory count performed during the fourth quarter. For further information on inventory valuations and other matters, refer to the consolidated financial statements and footnotes thereto included in the Company’s Form 10-K for the year ended December 31, 2011.

The consolidated results for the three and six months ended June 30, 2012 are not necessarily indicative of the results to be expected for the year ending December 31, 2012.

Effective January 1, 2012, the Company adopted Accounting Standards Update (ASU) No. 2011-5 and 2011-12, which amend the Comprehensive Income Topic of the Accounting Standards Codification (ASC). The updated guidance requires the components of income and other comprehensive income to be presented in a single continuous statement or two consecutive statements in annual periods. In interim periods, total comprehensive income must be presented in either a single continuous statement or two consecutive statements.

During the six months ended June 30, 2012, there were no other new accounting pronouncements or updates to recently issued accounting pronouncements disclosed in the Company’s Annual Report on Form 10-K for the year ended December 31, 2011 that affect the Company’s results of operations, financial condition, liquidity or disclosures.

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Dividends paid on common stock during each of the first two quarters of 2012 and 2011 were $.390 per common share and $.365 per common share, respectively.

Comprehensive income is summarized as follows:

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Changes in the Company’s accrual for product warranty claims during the first six months of 2012 and 2011, including customer satisfaction settlements, were as follows:

For further details on the Company’s accrual for product warranty claims, see Note 1 to the Consolidated Financial Statements in the Company’s Annual Report on Form 10-K for the year ended December 31, 2011.

Liabilities associated with exit or disposal activities are recognized as incurred in accordance with the Exit or Disposal Cost Obligations Topic of the ASC. Qualified exit costs primarily include post-closure rent expenses, incremental post-closure costs and costs of employee terminations. Adjustments may be made to liabilities accrued for qualified exit costs if information becomes available upon which more accurate amounts can be reasonably estimated. Concurrently, property, plant and equipment is tested for impairment in accordance with the Property, Plant and Equipment Topic of the ASC, and if impairment exists, the carrying value of the related assets is reduced to estimated fair value. Additional impairment may be recorded for subsequent revisions in estimated fair value.

In the six months ended June 30, 2012, five stores in the Paint Stores Group, two branches and one facility in the Global Finishes Group and four stores in the Latin America Coatings Group were closed due to lower demand or redundancy.

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The following table summarizes the activity and remaining liabilities associated with qualified exit costs at June 30, 2012:

For further details on the Company’s exit or disposal activities, see Note 6 to the Consolidated Financial Statements in the Company’s Annual Report on Form 10-K for the year ended December 31, 2011.

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Shown below are the components of the Company’s net periodic benefit cost for domestic defined benefit pension plans, foreign defined benefit pension plans and postretirement benefits other than pensions:

For further details on the Company’s health care, pension and other benefits, see Note 7 to the Consolidated Financial Statements in the Company’s Annual Report on Form 10-K for the year ended December 31, 2011.

The Company initially provides for estimated costs of environmental-related activities relating to its past operations and third-party sites for which commitments or clean-up plans have been developed and when such costs can be reasonably estimated based on industry standards and professional judgment. These estimated costs are determined based on currently available facts regarding each site. If the best estimate of costs can only be identified as a range and no specific amount within that range can be determined more likely than any other amount within the range, the minimum of the range is provided. At June 30, 2012, the unaccrued maximum of the estimated range of possible outcomes is $97.7 million higher than the minimum.

The Company continuously assesses its potential liability for investigation and remediation-related activities and adjusts its environmental-related accruals as information becomes available

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upon which more accurate costs can be reasonably estimated and as additional accounting guidelines are issued. Actual costs incurred may vary from these estimates due to the inherent uncertainties involved including, among others, the number and financial condition of parties involved with respect to any given site, the volumetric contribution which may be attributed to the Company relative to that attributed to other parties, the nature and magnitude of the wastes involved, the various technologies that can be used for remediation and the determination of acceptable remediation with respect to a particular site.

Included in Other long-term liabilities at June 30, 2012 and 2011 were accruals for extended environmental-related activities of $83.9 million and $87.5 million, respectively. Estimated costs of current investigation and remediation activities of $42.9 million and $60.0 million are included in Other accruals at June 30, 2012 and 2011, respectively.

Four of the Company’s currently and formerly owned manufacturing sites account for the majority of the accrual for environmental-related activities and the unaccrued maximum of the estimated range of possible outcomes at June 30, 2012. At June 30, 2012, $84.6 million, or 66.7 percent of the total accrual, related directly to these four sites. In the aggregate unaccrued maximum of $97.7 million at June 30, 2012, $66.2 million, or 67.8 percent, related to the four manufacturing sites. While environmental investigations and remedial actions are in different stages at these sites, additional investigations, remedial actions and monitoring will likely be required at each site.

Management cannot presently estimate the ultimate potential loss contingencies related to these sites or other less significant sites until such time as a substantial portion of the investigation at the sites is completed and remedial action plans are developed. In the event any future loss contingency significantly exceeds the current amount accrued, the recording of the ultimate liability may result in a material impact on net income for the annual or interim period during which the additional costs are accrued. Management does not believe that any potential liability ultimately attributed to the Company for its environmental-related matters will have a material adverse effect on the Company’s financial condition, liquidity, or cash flow due to the extended period of time during which environmental investigation and remediation takes place. An estimate of the potential impact on the Company’s operations cannot be made due to the aforementioned uncertainties.

Management expects these contingent environmental-related liabilities to be resolved over an extended period of time. Management is unable to provide a more specific time frame due to the indefinite amount of time to conduct investigation activities at any site, the indefinite amount of time to obtain environmental agency approval, as necessary, with respect to investigation and remediation activities, and the indefinite amount of time necessary to conduct remediation activities.

For further details on the Company’s Other long-term liabilities, see Note 9 to the Consolidated Financial Statements in the Company’s Annual Report on Form 10-K for the year ended December 31, 2011.

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In the course of its business, the Company is subject to a variety of claims and lawsuits, including, but not limited to, litigation relating to product liability and warranty, personal injury, environmental, intellectual property, commercial, contractual and antitrust claims that are inherently subject to many uncertainties regarding the possibility of a loss to the Company. These uncertainties will ultimately be resolved when one or more future events occur or fail to occur confirming the incurrence of a liability or the reduction of a liability. In accordance with the Contingencies Topic of the ASC, the Company accrues for these contingencies by a charge to income when it is both probable that one or more future events will occur confirming the fact of a loss and the amount of the loss can be reasonably estimated. In the event that the Company’s loss contingency is ultimately determined to be significantly higher than currently accrued, the recording of the additional liability may result in a material impact on the Company’s results of operations, liquidity or financial condition for the annual or interim period during which such additional liability is accrued. In those cases where no accrual is recorded because it is not probable that a liability has been incurred and cannot be reasonably estimated, any potential liability ultimately determined to be attributable to the Company may result in a material impact on the Company’s results of operations, liquidity or financial condition for the annual or interim period during which such liability is accrued. In those cases where no accrual is recorded or exposure to loss exists in excess of the amount accrued, the Contingencies Topic of the ASC requires disclosure of the contingency when there is a reasonable possibility that a loss or additional loss may have been incurred.

Lead pigment and lead-based paint litigation. The Company’s past operations included the manufacture and sale of lead pigments and lead-based paints. The Company, along with other companies, is and has been a defendant in a number of legal proceedings, including individual personal injury actions, purported class actions, and actions brought by various counties, cities, school districts and other government-related entities, arising from the manufacture and sale of lead pigments and lead-based paints. The plaintiffs’ claims have been based upon various legal theories, including negligence, strict liability, breach of warranty, negligent misrepresentations and omissions, fraudulent misrepresentations and omissions, concert of action, civil conspiracy, violations of unfair trade practice and consumer protection laws, enterprise liability, market share liability, public nuisance, unjust enrichment and other theories. The plaintiffs seek various damages and relief, including personal injury and property damage, costs relating to the detection and abatement of lead-based paint from buildings, costs associated with a public education campaign, medical monitoring costs and others. The Company is also a defendant in legal proceedings arising from the manufacture and sale of non-lead-based paints that seek recovery based upon various legal theories, including the failure to adequately warn of potential exposure to lead during surface preparation when using non-lead-based paint on surfaces previously painted with lead-based paint. The Company believes that the litigation brought to date is without merit or subject to meritorious defenses and is vigorously defending such litigation. The Company has not settled any lead pigment or lead-based paint litigation. The Company expects that additional lead pigment and lead-based paint litigation may be filed against the Company in the future asserting similar or different legal theories and seeking similar or different types of damages and relief.

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Notwithstanding the Company’s views on the merits, litigation is inherently subject to many uncertainties, and the Company ultimately may not prevail. Adverse court rulings or determinations of liability, among other factors, could affect the lead pigment and lead-based paint litigation against the Company and encourage an increase in the number and nature of future claims and proceedings. In addition, from time to time, various legislation and administrative regulations have been enacted, promulgated or proposed to impose obligations on present and former manufacturers of lead pigments and lead-based paints respecting asserted health concerns associated with such products or to overturn the effect of court decisions in which the Company and other manufacturers have been successful.

Due to the uncertainties involved, management is unable to predict the outcome of the lead pigment and lead-based paint litigation, the number or nature of possible future claims and proceedings, or the effect that any legislation and/or administrative regulations may have on the litigation or against the Company. In addition, management cannot reasonably determine the scope or amount of the potential costs and liabilities related to such litigation, or resulting from any such legislation and regulations. The Company has not accrued any amounts for such litigation. With respect to such litigation, including the public nuisance litigation, the Company does not believe that it is probable that a loss has occurred, and it is not possible to estimate the range of potential losses as there is no prior history of a loss of this nature and there is no substantive information upon which an estimate could be based. In addition, any potential liability that may result from any changes to legislation and regulations cannot reasonably be estimated. In the event any significant liability is determined to be attributable to the Company relating to such litigation, the recording of the liability may result in a material impact on net income for the annual or interim period during which such liability is accrued. Additionally, due to the uncertainties associated with the amount of any such liability and/or the nature of any other remedy which may be imposed in such litigation, any potential liability determined to be attributable to the Company arising out of such litigation may have a material adverse effect on the Company’s results of operations, liquidity or financial condition. An estimate of the potential impact on the Company’s results of operations, liquidity or financial condition cannot be made due to the aforementioned uncertainties.

Public nuisance claim litigation. The Company and other companies are or were defendants in legal proceedings seeking recovery based on public nuisance liability theories, among other theories, brought by the State of Rhode Island, the City of St. Louis, Missouri, various cities and counties in the State of New Jersey, various cities in the State of Ohio and the State of Ohio, the City of Chicago, Illinois, the City of Milwaukee, Wisconsin and the County of Santa Clara, California and other public entities in the State of California. Except for the Santa Clara County, California proceeding, all of these legal proceedings have been concluded in favor of the Company and other defendants at various stages in the proceedings.

The proceedings initiated by the State of Rhode Island included two jury trials. At the conclusion of the second trial, the jury returned a verdict finding that (i) the cumulative presence of lead pigment in paints and coatings on buildings in the State of Rhode Island constitutes a public nuisance, (ii) the Company, along with two other defendants, caused or substantially contributed to the creation of the public nuisance, and (iii) the Company and two other defendants should be ordered to abate the public nuisance. The Company and two other defendants appealed and, on

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July 1, 2008, the Rhode Island Supreme Court, among other determinations, reversed the judgment of abatement with respect to the Company and two other defendants. The Rhode Island Supreme Court’s decision reversed the public nuisance liability judgment against the Company on the basis that the complaint failed to state a public nuisance claim as a matter of law.

The Santa Clara County, California proceeding was initiated in March 2000 in the Superior Court of the State of California, County of Santa Clara. In the original complaint, the plaintiffs asserted various claims including fraud and concealment, strict product liability/failure to warn, strict product liability/design defect, negligence, negligent breach of a special duty, public nuisance, private nuisance, and violations of California’s Business and Professions Code. A number of the asserted claims were resolved in favor of the defendants through pre-trial proceedings. The named plaintiffs in the Fourth Amended Complaint, filed on March 16, 2011, are the Counties of Santa Clara, Alameda, Los Angeles, Monterey, San Mateo, Solano and Ventura, and the Cities of Oakland, San Diego and San Francisco. The Fourth Amended Complaint asserts a sole claim for public nuisance, alleging that the presence of lead products for use in paint and coatings in, on and around buildings in the plaintiffs’ jurisdictions constitutes a public nuisance. The plaintiffs seek the abatement of the alleged public nuisance that exists within the plaintiffs’ jurisdictions.

Litigation seeking damages from alleged personal injury. The Company and other companies are defendants in a number of legal proceedings seeking monetary damages and other relief from alleged personal injuries. These proceedings include claims by children allegedly injured from ingestion of lead pigment or lead-containing paint, claims for damages allegedly incurred by the children’s parents or guardians, and claims for damages allegedly incurred by professional painting contractors. These proceedings generally seek compensatory and punitive damages, and seek other relief including medical monitoring costs. These proceedings include purported claims by individuals, groups of individuals and class actions.

The plaintiff in Thomas v. Lead Industries Association, et al., initiated an action in state court against the Company, other alleged former lead pigment manufacturers and the Lead Industries Association in September 1999. The claims against the Company and the other defendants include strict liability, negligence, negligent misrepresentation and omissions, fraudulent misrepresentation and omissions, concert of action, civil conspiracy and enterprise liability. Implicit within these claims is the theory of “risk contribution” liability (Wisconsin’s theory which is similar to market share liability) due to the plaintiff’s inability to identify the manufacturer of any product that allegedly injured the plaintiff. The case ultimately proceeded to trial and, on November 5, 2007, the jury returned a defense verdict, finding that the plaintiff had ingested white lead carbonate, but was not brain damaged or injured as a result. The plaintiff appealed and, on December 16, 2010, the Wisconsin Court of Appeals affirmed the final judgment in favor of the Company and other defendants.

Wisconsin is the only jurisdiction to date to apply a theory of liability with respect to alleged personal injury (i.e., risk contribution/market share liability) that does not require the plaintiff to identify the manufacturer of the product that allegedly injured the plaintiff in the lead pigment and lead-based paint litigation. Although the risk contribution liability theory was applied during the Thomas trial, the constitutionality of this theory as applied to the lead pigment cases has not

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been judicially determined by the Wisconsin state courts. However, in an unrelated action filed in the United States District Court for the Eastern District of Wisconsin, Gibson v. American Cyanamid, et al., on November 15, 2010, the District Court held that Wisconsin’s risk contribution theory as applied in that case violated the defendants’ right to substantive due process and is unconstitutionally retroactive. The District Court’s decision in Gibson v. American Cyanamid, et al., has been appealed by the plaintiff.

Insurance coverage litigation. The Company and its liability insurers, including certain Underwriters at Lloyd’s of London, initiated legal proceedings against each other to primarily determine, among other things, whether the costs and liabilities associated with the abatement of lead pigment are covered under certain insurance policies issued to the Company. The Company’s action, filed on March 3, 2006 in the Common Pleas Court, Cuyahoga County, Ohio, is currently stayed. The liability insurers’ action, which was filed on February 23, 2006 in the Supreme Court of the State of New York, County of New York, has been dismissed. An ultimate loss in the insurance coverage litigation would mean that insurance proceeds could be unavailable under the policies at issue to mitigate any ultimate abatement related costs and liabilities. The Company has not recorded any assets related to these insurance policies or otherwise assumed that proceeds from these insurance policies would be received in estimating any contingent liability accrual. Therefore, an ultimate loss in the insurance coverage litigation without a determination of liability against the Company in the lead pigment or lead-based paint litigation will have no impact on the Company’s results of operation, liquidity or financial condition. As previously stated, however, the Company has not accrued any amounts for the lead pigment or lead-based paint litigation and any significant liability ultimately determined to be attributable to the Company relating to such litigation may result in a material impact on the Company’s results of operations, liquidity or financial condition for the annual or interim period during which such liability is accrued.

Department of Labor (DOL) Leveraged ESOP Investigation. As previously disclosed, the DOL’s investigation of transactions related to the Company’s ESOP (the “Leveraged ESOP Transactions”) remains open. On April 19, 2012, the Employee Benefits Security Administration of the DOL notified the Company, certain current and former directors and the ESOP trustee of potential enforcement claims asserting breaches of fiduciary obligations. The DOL is seeking compensatory and equitable remedies, including monetary damages to the ESOP for alleged losses to the ESOP. The Company believes that the DOL’s claims are subject to meritorious defenses and will vigorously defend any proceedings initiated by the DOL. The Company has not accrued any amounts for such claims.

Other general expense (income)—net

Included in Other general expense (income)—net were the following:

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Provisions for environmental matters–net represent site-specific increases or decreases to environmental-related accruals as information becomes available upon which more accurate costs can be reasonably estimated and as additional accounting guidelines are issued. Environmental-related accruals are not recorded net of insurance proceeds in accordance with the Offsetting Subtopic of the Balance Sheet Topic of the ASC. See Note 8 for further details on the Company’s environmental-related activities.

The (gain) loss on disposition of assets represents net realized (gains) losses associated with the disposal of fixed assets previously used in the conduct of the primary business of the Company.

The adjustments to prior provisions for qualified exit costs represent site specific increases or decreases to accrued qualified exit costs as adjustments for costs of employee terminations are required or as information becomes available upon which more accurate amounts can be reasonably estimated. See Note 6 for further details on the Company’s exit or disposal activities.

Other income—net

Included in Other income—net were the following: