CSW Industrials CSW Form 10-Q filing Q1 FY2027

Page No.

PART I - FINANCIAL INFORMATION

Item 1. Financial Statements 1

Consolidated Statements of Income and Consolidated Statements of Comprehensive Income for the three#if52db0672f094795aef63aaaa63e8ac8_16months endedJune 30, 2026and 2025(unaudited) 1

Consolidated Balance Sheets as ofJune 30, 2026and March 31, 2026(unaudited) 3

Consolidated Statements of Equity as ofJune 30,2026 and 2025(unaudited) 4

Consolidated Statements of Cash Flows for thethreemonths endedJune 30, 2026 and 2025(unaudited) 5

NotestoConsolidated Financial Statements (unaudited) 6

Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations 26

Item 3. Quantitative and Qualitative Disclosures About Market Risk 33

Item 4. Controls and Procedures 34

PART II - OTHER INFORMATION

Item 1. Legal Proceedings 35

Item 1A. Risk Factors 35

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds 35

Item 5. Other Information 36

Item 6. Exhibits 37

SIGNATURES 38

PART I — FINANCIAL INFORMATION

Item 1. Financial Statements

See accompanying notes to consolidated financial statements.

See accompanying notes to consolidated financial statements.

See accompanying notes to consolidated financial statements.

See accompanying notes to consolidated financial statements.

See accompanying notes to consolidated financial statements.

CSW INDUSTRIALS, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(UNAUDITED)

1.ORGANIZATION AND OPERATIONS AND SUMMARY OF ACCOUNTING POLICIES

CSW Industrials, Inc. (the “Company,” “CSW,” “we,” “our” or “us”) is a diversified industrial growth company with a strategic focus on providing niche, value-added products in the end markets we serve. We operate in three business segments: Contractor Solutions, Specialized Reliability Solutions and Engineered Building Solutions. Our products include mechanical products for heating, ventilation, air conditioning and refrigeration ("HVAC/R"), plumbing products, grilles, registers and diffusers, building safety solutions and high-performance specialty lubricants and sealants. End markets that we serve include HVAC/R, architecturally-specified building products, plumbing, general industrial, energy, rail transportation, mining and electrical. Our manufacturing operations are concentrated in the United States (“U.S.”), Vietnam and Canada, and we have distribution operations in the U.S., Australia, Canada and the United Kingdom (“U.K.”). Our products are sold directly to end users or through designated channels in over 100 countries around the world, primarily including the U.S., Canada, the U.K. and Australia.

Drawing on our innovative and proven technologies, we seek to deliver solutions primarily to contractors that place a premium on superior performance and reliability. We believe our brands are well-known in the specific end markets we serve and have a reputation for high quality. We rely on both organic growth and inorganic growth through acquisitions to provide an increasingly broad portfolio of performance optimizing solutions that meet our customers’ ever-changing needs. We have a successful record of making attractive, synergistic acquisitions in support of this objective, and we remain focused on identifying additional acquisition opportunities in our core end markets.

Many of our products are used to protect the capital assets of our customers that are expensive to repair or replace and are critical to their operations. We have a source of recurring revenue from the maintenance, repair and overhaul and consumable nature of many of our products. We also provide some custom engineered products that strengthen and enhance our customer relationships. The reputation of our product portfolio is built on more than 100 well-respected brand names, such as AC Guard®, Air Sentry®, Amrad®, Aspen ManufacturingTM, Balco®, Cover Guard®, Deacon®, Duckt-Strip®, Dust Free®, Falcon®, Greco®, Hydrotex®, Jet-Lube®, Kopr-Kote®, Leak Freeze®, MARS®, Metacaulk®, No. 5®, OilSafe®, PF WaterWorksTM, ProAction Fluids®, PSP ProductsTM, RectorSeal®, Safe-T-Switch®, Shoemaker Manufacturing®, Smoke Guard®, TRUaire® and Whitmore®.

The ongoing conflict in the Middle East, including active military operations in Iran that began February 28, 2026, has contributed to disruptions in global shipping lanes, particularly through the Strait of Hormuz and the broader Persian Gulf region. While we do not source materials directly from Iran or the Persian Gulf region, the conflict has contributed to elevated crude oil prices, ocean and domestic freight and certain commodity costs, and it has extended lead times from Asian suppliers as carriers reroute through alternative passages including the Cape of Good Hope. We are continuing to work with our logistics partners to mitigate these impacts and do not currently believe they will have a material adverse effect on our ability to meet customer demand, though we continue to monitor the situation closely.

Basis of Presentation

The consolidated financial statements included in this Quarterly Report on Form 10-Q for the quarterly period ended June 30, 2026 (“Quarterly Report”), include all revenues, costs, assets and liabilities directly attributable to CSW and have been prepared in accordance with U.S. generally accepted accounting principles (“U.S. GAAP”). The consolidated financial statements are for us and our consolidated subsidiaries, each of which is a wholly-owned subsidiary, except our non-controlling 50% investment in a variable interest entity (“VIE”) for which we have determined that we are the primary beneficiary and therefore have consolidated into our financial statements. All significant intercompany transactions have been eliminated in consolidation.

The consolidated financial statements reflect all adjustments that are, in the opinion of management, necessary to present a fair statement of CSW’s financial position as of June 30, 2026, and the results of operations for the three month periods ended June 30, 2026 and 2025. All adjustments are of a normal, recurring nature.

The year-end balance sheet data was derived from audited financial statements, but does not include all disclosures required by U.S. GAAP. These consolidated financial statements should be read in conjunction with the audited consolidated financial statements and the notes thereto included in CSW’s Annual Report on Form 10-K for the fiscal year ended March 31, 2026 (the “Annual Report”).

Accounting Policies

We have consistently applied the accounting policies described in our Annual Report in preparing these consolidated financial statements.

Accounting Developments

Pronouncements not yet implemented

In November 2024, the FASB issued ASU 2024-03, Income Statement - Reporting Comprehensive Income (Topic 220): Expense Disaggregation Disclosures. Additionally, in January 2025, the FASB issued ASU 2025-01 to clarify the effective date of ASU 2024-03. This ASU provides guidance to expand disclosures related to the disaggregation of income statement expenses. Also, this ASU requires, in the notes to the financial statements, disclosure of specified information about certain costs and expenses which includes purchases of inventory, employee compensation, depreciation, and intangible asset amortization included in each relevant expense caption. ASU 2025-01 is effective for fiscal years beginning after December 15, 2026, and interim periods within annual reporting periods beginning after December 15, 2027, on a retrospective or prospective basis, with early adoption permitted. This ASU will be effective for our Form 10-K for fiscal 2028 and our Form 10-Q for the first quarter of 2029. We are currently evaluating the impact this ASU may have on our financial statement disclosures.

In November 2025, the FASB issued ASU 2025-09, Derivatives and Hedging (Topic 815): Hedge Accounting Improvements, which includes amendments to more closely align hedge accounting with the economics of an entity’s risk management activities. ASU 2025-09 is effective for fiscal years beginning after December 15, 2027 with early adoption permitted should be applied prospectively. The amendments will be effective for our Form 10-K for fiscal 2029 and our Form 10-Q for the first quarter of 2029. We are currently evaluating the impact this ASU may have on our financial statement disclosures.

In December 2025, the FASB issued ASU 2025-11 to amend the guidance in Interim Reporting (Topic 270): Narrow-Scope Improvements. The update provides clarifications intended to improve the consistency and usability of interim disclosure requirements, including a comprehensive listing of required interim disclosures and a new disclosure principle for reporting material events occurring after the most recent annual period. The amendments do not change the underlying objectives of interim reporting but are designed to enhance clarity in application. The guidance is effective for fiscal years beginning after December 15, 2027, including interim periods within those fiscal years. This ASU will be effective for our Form 10-K for fiscal 2029 and our Form 10-Q for the first quarter of 2029. We are currently evaluating the impact this ASU may have on our financial statement disclosures.

In December 2025, the FASB issued ASU 2025-12 Codification Improvements to address suggestions received from stakeholders on the Accounting Standards Codification and to make other incremental improvements to U.S. GAAP. The update represents changes to the Codification that (1) clarify, (2) correct errors, or (3) make minor improvements. The amendments make the Codification easier to understand and apply. The guidance is effective for fiscal years beginning after December 15, 2026, including interim periods within those fiscal years. This ASU will be effective for our Form 10-K for fiscal 2028 and our Form 10-Q for the first quarter of 2028. We do not expect the adoption to have a material impact on our financial statement disclosures.

2. ACQUISITIONS

Dusk Acquisition Corporation

On November 4, 2025, we acquired 100% of the equity interests of Dusk Acquisition Corporation and its wholly owned subsidiaries, Motors & Armatures, LLC and HVAC South, LLC (together, “MARS Parts”), based in Hauppauge, New York, for an aggregate purchase price of $658.1 million (including $6.0 million of cash acquired), comprised of cash consideration of $650.0 million, estimated cash on balance sheet at closing of $4.1 million, and contingent considerations initially valued at $4.0 million based on MARS Parts meeting defined financial targets over a period of one year. The cash consideration was funded with a combination of the TLA (as defined in Note 8) and borrowings under our existing RCF (as defined in Note 8). As of the acquisition date, the estimated fair value of the contingent consideration was classified as a current liability of $4.0 million, which was determined using an option pricing model simulation that determines an average projected payment value across numerous iterations. MARS Parts is one of the largest providers of HVAC/R parts and supplies in North America, and a leading provider of motors and capacitors. With a product mix more heavily focused on repair versus replacement, we expect MARS Parts will strategically complement our current HVAC/R end market, which traditionally has been more focused on new unit installations and replacements.

The MARS Parts acquisition was accounted for as a business combination under FASB Accounting Standards Codification Topic 805, Business Combinations ("Topic 805"). Pursuant to Topic 805, the Company allocated the MARS Parts purchase price to tangible and identifiable intangible assets acquired and liabilities assumed based on their estimated fair values as of the acquisition date, November 4, 2025. The excess of the purchase price over those fair values was recorded to goodwill. The Company's evaluation of the facts and circumstances available as of November 4, 2025, to assign fair values to assets acquired and liabilities assumed, including income tax related amounts, is ongoing. The primary areas of preliminary purchase accounting price allocation subject to changes relate to the assumptions used in the valuation model, the valuation of working capitals and property, plant and equipment, and deferred tax balances. We expect to finalize the purchase price allocation as soon as practicable, but no later than one year from the acquisition date. The following table summarizes the Company's best initial estimate of the aggregate fair value of the assets acquired and liabilities assumed at the date of acquisition (in thousands).

Goodwill of $259.5 million represents the excess of the purchase price over the fair value of the underlying tangible and intangible assets acquired and liabilities assumed. The acquisition goodwill represents the value expected to be obtained from expanding the Company’s product offerings more broadly across the HVAC/R end market. The goodwill recorded as part of this acquisition is included in the Contractor Solutions segment. The Company has assumed the seller's tax basis in goodwill ($120.0 million) and intangible assets ($142.5 million), which will continue to be amortized over the remaining tax life of 14 years.

MARS Parts activity is currently included in our Contractor Solutions segment. During the year ended March 31, 2026, the Company incurred $3.5 million of transaction expenses in connection with the MARS Parts acquisition. Transaction expenses are included in selling, general and administrative expenses in the Consolidated Statement of Operations under the Contractor Solutions and Other segments.

Aspen Manufacturing, LLC

On May 1, 2025, we acquired 100% of the equity interests of Aspen Manufacturing, LLC (“Aspen Manufacturing”), based in Humble, Texas, for an aggregate purchase price of $327.6 million (including $2.3 million cash acquired), comprised of cash consideration of $313.5 million and working capital adjustments of $14.1 million. The cash consideration was funded with cash on hand and borrowings under our existing RCF. Aspen Manufacturing is one of the largest independent evaporator coil and air handler manufacturers for the HVAC/R industry and is recognized as a leader in product quality and indoor comfort. Aspen Manufacturing’s current product suite includes a vast range of high-quality residential and light commercial evaporator coils, blowers, and air handling units for single-family, multi-family, and manufactured homes.

The Aspen Manufacturing acquisition was accounted for as a business combination under Topic 805. Pursuant to Topic 805, the Company allocated the Aspen Manufacturing purchase price to tangible and identifiable intangible assets acquired and liabilities assumed based on their estimated fair values as of the acquisition date, May 1, 2025. The excess of the purchase price over those fair values was recorded to goodwill. During the three months ended June 30, 2026, the Company completed the evaluation of the facts and circumstances available as of May 1, 2025, to assign fair values to assets acquired and liabilities assumed. The following table summarizes the Company's final estimate of the aggregate fair value of the assets acquired and liabilities assumed at the date of acquisition (in thousands).

Goodwill of $100.2 million represents the excess of the purchase price over the fair value of the underlying tangible and intangible assets acquired and liabilities assumed. The acquisition goodwill represents the value expected to be obtained from expanding the Company’s product offerings more broadly across the HVAC/R end market. The goodwill recorded as part of this acquisition is included in the Contractor Solutions segment. The goodwill and intangible assets tax bases are $94.0 million and $187.0 million, respectively, and are deductible and amortized over 15 years.

Aspen Manufacturing activity is currently included in our Contractor Solutions segment. During the years ended March 31, 2026 and 2025, the Company incurred $0.4 million and $1.1 million, respectively, of transaction expenses in connection with the Aspen Manufacturing acquisition. Transaction expenses are included in selling, general and administrative expenses in the Consolidated Statement of Operations under the Contractor Solutions and Other segments.

Joyce Sales Group, LLC and Copper2Glass, LLC

On March 12, 2026, we acquired certain assets of Joyce Sales Group, LLC and Copper2Glass, LLC (together, “Duckt-Strip”), based in Auburn, New Hampshire for cash consideration of $21.0 million, which was funded with borrowings under our existing RCF. Duckt-Strip offers a differentiated, code‑compliant electrical cable solution purpose‑built for ductless HVAC/R systems. During the year ended March 31, 2026, we incurred $0.1 million in transaction expenses in connection with the Duckt-Strip acquisition, which were included in selling, general and administrative expenses in the Consolidated Statements of Operations under the Contractor Solutions segment.

The Duckt-Strip acquisition was accounted for as a business combination under Topic 805. The excess of the purchase price over the preliminary fair value of the identifiable assets acquired and liabilities assumed was $13.3 million allocated to goodwill, which represents the value expected to be obtained from owning products that are expanding our existing HVAC/R offerings. The preliminary allocation of the fair value of the net assets acquired comprises customer lists ($4.9 million), trade name ($2.0 million), and inventory ($0.8 million). Customer lists are being amortized over 15 years, while the trade name and goodwill are not being amortized. The Company’s evaluation of the facts and circumstances available as of March 12, 2026 to assign fair values to assets acquired is ongoing. The primary area of preliminary purchase price allocation subject to change relates to the assumptions used in the valuation model. We expect to finalize the purchase price allocation as soon as practicable, but no later than one year from the acquisition date. The goodwill and intangible assets tax bases are $13.3 million and $6.9 million, respectively, and are deductible and amortized over 15 years. Duckt-Strip activity has been included in our Contractor Solutions segment since the acquisition date.

ProAction Fluids, LLC

On November 20, 2025, we acquired certain assets of ProAction Fluids, LLC (“ProAction Fluids”), based in Shreveport, Louisiana for cash consideration of $9.5 million, which was funded with borrowings under our existing RCF. ProAction Fluids offers performance-tested drilling fluids, lubricants, sealants, and compounds for the horizontal directional drilling market that expand upon, and are complementary to, our existing general industrial product portfolio. During the year ended March 31, 2026, we incurred $0.2 million in transaction expenses in connection with the ProAction Fluids acquisition, which were included in selling, general and administrative expenses in the Consolidated Statements of Operations under the Specialized Reliability Solutions segment.

The ProAction Fluids acquisition was accounted for as a business combination under Topic 805. The excess of the purchase price over the preliminary fair value of the identifiable assets acquired and liabilities assumed was $6.8 million allocated to goodwill, which represents the value expected to be obtained from owning products that are expanding our existing general industrial offerings. The preliminary allocation of the fair value of the net assets acquired comprises customer lists ($1.4 million), trade name ($0.5 million), inventory ($0.7 million), and other assets ($0.1 million). Customer lists are being amortized over 15 years, while the trade name and goodwill are not being amortized. The Company’s evaluation of the facts and circumstances available as of November 20, 2025 to assign fair values to assets acquired is ongoing. The primary area of preliminary purchase price allocation subject to change relates to the assumptions used in the valuation model. We expect to finalize the purchase price allocation as soon as practicable, but no later than one year from the acquisition date. The goodwill and intangible assets tax bases are $6.8 million and $1.9 million, respectively, and are deductible and amortized over 15 years. ProAction Fluids activity has been included in our Specialized Reliability Solutions segment since the acquisition date.

Hydrotex Holdings, Inc.

On November 5, 2025, we acquired certain assets of Hydrotex Holdings, Inc. (“Hydrotex”), based in Dallas, Texas for an aggregate purchase price of $17.0 million, comprised of cash consideration of $17.0 million and estimated working capital true-up adjustment of less than $0.1 million. The cash consideration was funded with borrowings under our existing RCF. Hydrotex offers high-performance lubricants designed to enhance operational efficiency, reduce equipment wear, and extend service life that expand upon, and are complementary to, our existing general industrial products portfolio. During the year ended March 31, 2026, we incurred $0.5 million in transaction expenses in connection with the Hydrotex acquisition, which were included in selling, general and administrative expenses in the Consolidated Statements of Operations under the Specialized Reliability Solutions segment.

The Hydrotex acquisition was accounted for as a business combination under Topic 805. The excess of the purchase price over the preliminary fair value of the identifiable assets acquired and liabilities assumed was $2.8 million allocated to goodwill, which represents the value expected to be obtained from owning products that are expanding our existing general industrial offerings and provide additional drain lubricant solutions to our customers. The preliminary allocation of the fair value of the net assets acquired comprises customer lists ($7.6 million), trade name ($1.3 million), accounts receivable ($1.6 million), inventory ($3.5 million), other current assets ($0.1 million), and other assets ($0.9 million), net of current liabilities ($0.8 million). Customer lists are being amortized over 15 years, while the trade name and goodwill are not being amortized. The Company’s evaluation of the facts and circumstances available as of November 5, 2025 to assign fair values to assets acquired is ongoing. The primary area of preliminary purchase price allocation subject to change relates to the assumptions used in the valuation model and the valuation of working capital and property, plant and equipment. We expect to finalize the purchase price allocation as soon as practicable, but no later than one year from the acquisition date. The goodwill and intangible assets tax bases are $2.8 million and $8.9 million, respectively, and are deductible and amortized over 15 years. Hydrotex activity has been included in our Specialized Reliability Solutions segment since the acquisition date.

3. CONSOLIDATION OF VARIABLE INTEREST ENTITY AND REDEEMABLE NONCONTROLLING INTEREST

Whitmore Joint Venture

On April 1, 2021, Whitmore Manufacturing, LLC (“Whitmore”), a wholly-owned subsidiary of CSW, completed the formation of the joint venture (the “Whitmore JV”) with Pennzoil-Quaker State Company dba SOPUS Products, a wholly-owned subsidiary of Shell Oil Company that comprises Shell’s U.S. lubricants business.

The Whitmore JV is deemed to be a VIE as the equity investors at risk, as a group, lack the characteristics of a controlling financial interest. The major factor that led to the conclusion that the Company is the primary beneficiary of this VIE is that Whitmore has the power to direct the most significant activities due to its ability to direct the manufacturing decisions of the Whitmore JV. Whitmore JV’s total net assets are presented below (in thousands):

During the three months ended June 30, 2026, the Whitmore JV generated net income of less than $0.1 million.

The Whitmore JV’s LLC Agreement contains a put option that gives either member the right to sell its 50% equity interest in the Whitmore JV to the other member at a dollar amount equivalent to 90% of the initiating member's equity interest determined based on the fair market value of the Whitmore JV’s net assets. This put option can be exercised, at either member’s discretion, by providing written notice to the other member during the month of July 2024 and every two years thereafter. No put option notice was provided by either member as of the date of this filing. This redeemable noncontrolling interest is recorded at the higher of the redemption value or carrying value each reporting period. Changes in redeemable noncontrolling interest for the three-month period ended June 30, 2026 were as follows (in thousands):

4. INVENTORIES

Inventories consist of the following (in thousands):

5. BUSINESS HELD FOR SALE AND EXIT ACTIVITIES

As discussed in Note 7 to our consolidated financial statements in our Annual Report, during the quarter ended March 31, 2026, we completed our annual quantitative impairment assessment for the Greco reporting unit, including both Greco US and Greco Canada businesses, and determined that the fair value of the Greco reporting unit was below its carrying value and accordingly recorded a non-cash impairment of $15.6 million, including $7.5 million for goodwill, $6.6 million for intangible assets and $1.5 million for long-lived assets, included in the impairment expenses line in our Consolidated Statements of Income under the Engineered Building Solutions segment for the year ended March 31, 2026.

During the quarter ended March 31, 2026, the Company committed to a plan to pursue a sale of the Greco US business, which was available for immediate sale in its present condition, and the Company initiated an active program to locate a buyer. Management believes a sale is probable within twelve months of March 31, 2026 at a price that is reasonable in relation to the current estimated fair value. Accordingly, the Greco US asset group has been classified as held for sale since March 31, 2026 in accordance with ASC 360-10-45-9 and is carried at the lower of carrying amount or estimated fair value less costs to sell. The Company has determined that the disposal does not represent a strategic shift that has, or will have, a major effect on the Company's operations or financial results. Accordingly, the Greco US business has not been classified as a discontinued operation under ASC 205-20, and the results of operations attributable to these assets continue to be reflected within the Engineered Building Solutions segment for all periods presented.

The revenue and pre-tax income (loss) attributable to the Greco US business included in continuing operations were $3.1 million and $(0.8) million, respectively, for the three months ended June 30, 2026; and $5.3 million and $0.3 million, respectively, for the three months ended June 30, 2025.

The carrying amounts of the assets and liabilities of the Greco US business classified as held for sale in our Consolidated Balance Sheet were as follows:

During the quarter ended March 31, 2026, in conjunction with the plan to sell the Greco US business as discussed above, the Company committed to the strategic exit of the Greco Canada business (the "Greco Canada Exit"). The costs for the Greco Canada Exit primarily included employee severance and termination costs, as well as additional reserves related to accounts receivable and inventory. We recognized $0.4 million and $2.1 million of expenses, as a result of this initiative during the quarter ended June 30, 2026 and March 31, 2026, respectively, which are included in the selling, general, and administrative expenses line ($0.0 million and $0.7 million, respectively) and cost of revenues line ($0.4 million and $1.4 million respectively) in our Consolidated Statements of Income. As of June 30, 2026, we expect to incur approximately $1.0 million to $1.5 million of additional expenses related to the Greco Canada Exit.

The revenue and pre-tax income (loss), excluding the Greco Canada Exit related expenses, attributable to the Greco Canada business included in continuing operations were $2.4 million and $(0.3) million, respectively, for the three months ended June 30, 2026 and $4.7 million and less than $0.1 million, respectively, for the three months ended June 30, 2025.

6. GOODWILL AND INTANGIBLE ASSETS

The changes in the carrying amount of goodwill as of June 30, 2026 and March 31, 2026 were as follows (in thousands):

The following table provides information about our intangible assets (in thousands, except years):

Amortization expenses for the three months ended June 30, 2026 and 2025 were $15.2 million and $8.7 million, respectively. Of these amounts, cost of revenues includes $0.3 million and $0.2 million, respectively. The following table shows the estimated future amortization for intangible assets, as of June 30, 2026, for the remainder of the current fiscal year and the next four fiscal years ending March 31 (in thousands):

7. SHARE-BASED COMPENSATION

Prior to September 17, 2024, we maintained the shareholder-approved 2015 Equity and Incentive Compensation Plan (the “2015 Plan”), which provided for the issuance of up to 1,230,000 shares of CSW common stock through the grant of stock options, stock appreciation rights, restricted shares, restricted stock units, performance shares, performance units or other share-based awards, to employees, officers and non-employee directors. On August 15, 2024, our shareholders approved the 2024 Equity and Incentive Compensation Plan (the “2024 Plan”) and on September 17, 2024, we registered the offering of shares under the 2024 Plan on a Registration Statement on Form S-8 (the “2024 Plan Registration”). Following the 2024 Plan Registration, the 2015 Plan’s remaining share reserve for new awards was cancelled. Any awards granted under the 2015 Plan prior to the 2024 Plan Registration remained outstanding and will vest, if at all, in accordance with their original terms and conditions.

The 2024 Plan provides for the issuance of up to 850,000 shares of CSW common stock (less any shares granted pursuant to awards under the 2015 Plan prior to the 2024 Plan Registration) through the grant of stock options, stock appreciation rights, restricted shares, restricted stock units, performance shares, performance units or other share-based awards, to eligible participants. As of June 30, 2026, 765,552 shares were reserved and available for issuance under the 2024 Plan.

We recorded share-based compensation expense as follows for the three months ended June 30, 2026 and 2025 (in thousands):

(a) Income tax benefit is estimated using the statutory rate.

Restricted share activity was as follows:

(a) Including incremental shares delivered to grant recipients as a result of performance-based awards vesting in excess of target (100%).

During the restriction period, the holders of restricted shares are entitled to vote and receive dividends. Unvested restricted shares outstanding as of June 30, 2026 and 2025 included 64,490 and 82,146 shares (at target), respectively, with performance-based vesting provisions, and a vesting range of 0%-250% based on pre-defined performance targets with market conditions. Performance-based awards accrue dividend equivalents, which are settled upon (and to the extent of) vesting of the underlying award and do not have the right to vote until vested. Performance-based awards are earned upon the achievement of objective performance targets and are payable in common shares. Compensation expense is calculated based on the fair market value as determined by a Monte Carlo simulation and is recognized over a 36-month cliff vesting period. We granted 19,440 and 16,982 awards with performance-based vesting provisions during the three months ended June 30, 2026 and 2025, respectively, with a vesting range of 0%-250%.

At June 30, 2026, we had unrecognized compensation cost related to unvested restricted shares of $21.8 million, which will be amortized into net income over the remaining weighted average vesting period of approximately 2.1 years. The total fair value of restricted shares granted during the three months ended June 30, 2026 and 2025 was $8.0 million and $7.3 million, respectively. The total fair value of restricted shares vested during the three months ended June 30, 2026 and 2025 was $23.2 million and $11.8 million, respectively.

8. LONG-TERM DEBT

Long-term debt consists of the following (in thousands):

(a) Represents the interest rate effective on June 30, 2026 and March 31, 2026, excluding the impact from the interest rate swap discussed in Note 10.

Revolving Credit Facility

As discussed in Note 9 to our consolidated financial statements included in our Annual Report, on May 2, 2025, we entered into a Third Amended and Restated Credit Agreement (the “Third Credit Agreement”) with JPMorgan Chase Bank, N.A., as administrative agent and collateral agent, and the lenders, issuing banks and swingline lender party thereto. The Third Credit Agreement provides for a $700.0 million Revolving Credit Facility ("RCF") that contains a $30.0 million sublimit for the issuance of letters of credit, a $15.0 million sublimit for swingline loans and an additional accordion feature of $250 million. The Third Credit Agreement was scheduled to mature on May 2, 2030. The Company incurred a total of $2.8 million in financing fees, including underwriting fees, which will be amortized over the life of the Third Credit Agreement. The deferred financing fees are recorded in our consolidated balance sheets in other assets. Borrowings under the Third Credit Agreement bear interest at either base rate plus between 0.25% to 1.5% or the adjusted term SOFR rate plus between 1.25% to 2.5%, based on the Company’s leverage ratio calculated on a quarterly basis. The base rate is described in the Third Credit Agreement as the highest of (i) the Federal Reserve Bank of New York effective rate plus 0.50%, (ii) the prime rate quoted by The Wall Street Journal, and (iii) the one-month adjusted term SOFR rate plus 1.00%. We pay a commitment fee between 0.15% to 0.4% based on the Company's leverage ratio for the unutilized portion of this facility. Interest and commitment fees are payable monthly and quarterly, respectively, and the outstanding principal balance is due at the maturity date. The Third Credit Agreement is secured by a first priority lien on substantially all tangible and intangible assets and stock issued by the Company and its material domestic subsidiaries, subject to specified exceptions, and 65% of the voting equity interests in its first-tier foreign subsidiaries.

On November 4, 2025, we entered into a Fourth Amended and Restated Credit agreement (the "Fourth Credit Agreement") with JPMorgan Chase Bank, N.A., as administrative agent and collateral agent, and the lenders, issuing banks and swingline lender party thereto. The Fourth Credit Agreement, among other things, provides for: (i) the continuation of the existing RCF in the aggregate principal committed amount of up to $700.0 million; (ii) the extension of the maturity date of the RCF until November 4, 2030; and (iii) the establishment of a new senior secured term loan “A” credit facility (the “TLA”) in an aggregate principal amount of up to $600.0 million, and having a maturity date of November 4, 2030.

During the three months ended June 30, 2026, we borrowed $59.9 million and repaid $66.3 million under the RCF. As of June 30, 2026 and March 31, 2026, we had $272.5 million and $279.0 million, respectively, in our outstanding balance, which resulted in borrowing capacity under the RCF of $426.2 million and $419.7 million, respectively, net of credit utilization. The financial covenants contained in the Fourth Credit Agreement require the maintenance of a maximum leverage ratio of 3.50 to 1.00, subject to a temporary increase to 4.00 to 1.00 for 18 months following the consummation of permitted acquisitions with consideration in excess of certain threshold amounts set forth in the Third Credit Agreement. The Third Credit Agreement also requires the maintenance of a minimum interest coverage ratio of 3.00 to 1.00, the calculations and terms of which are defined in the Third Credit Agreement. Covenant compliance is tested quarterly, and we were in compliance with all covenants as of June 30, 2026.

Senior Secured Term Loan A

On November 4, 2025, we entered into a Fourth Credit Agreement, as aforementioned, which established the TLA to finance a portion of the purchase price of the MARS Parts acquisition (including payment of related fees, premiums, expenses and other transaction costs) as discussed in Note 2. The Company incurred a total of $2.4 million in financing fees, including underwriting fees, which will be amortized over the life of the Fourth Credit Agreement. The deferred financing fees are recorded in our consolidated balance sheets in long-term debt and the current portion of long-term debt. The TLA amortizes in equal quarterly installments of 1.25% of the initial aggregate principal amount of the TLA or $7.5 million, with the total outstanding balance due in full on maturity of November 4, 2030. Borrowings under the TLA bear interest at either base rate plus between 0.25% to 1.5% or the adjusted term SOFR rate plus between 1.25% to 2.5%, based on the Company’s leverage ratio calculated on a quarterly basis. We pay a commitment fee between 0.15% to 0.4% based on the Company's leverage ratio for the unutilized portion of this term loan. Interest and commitment fees are payable monthly and quarterly, respectively. As of June 30, 2026 and March 31, 2026, we had $585.0 million and $592.5 million, respectively, in principal amount outstanding under the TLA.

Interest payments on the first $300.0 million borrowing under the TLA are hedged under an interest rate swap agreement as described in Note 10.

Future Minimum Debt Payments

Future minimum debt payments are as follows for the years ending March 31 (in thousands):

9. LEASES

We have operating leases for manufacturing facilities, offices, warehouses, vehicles and certain equipment. Our leases have remaining lease terms of 1 year to 22 years, some of which include escalation clauses and/or options to extend or terminate the leases. We have immaterial financing lease arrangements.

10. DERIVATIVE INSTRUMENTS AND HEDGE ACCOUNTING

We enter into interest rate swap agreements to hedge exposure to floating interest rates on certain portions of our debt. All interest rate swaps are highly effective.

On November 4, 2025, we entered into an interest rate swap to hedge our exposure to variability in cash flows from interest payments on the first $300.0 million of borrowings under the TLA, as discussed in Note 8. The interest rate swap fixed the one-month SOFR rate at 3.42% for the first $300.0 million borrowing under our TLA and is scheduled to expire on October 31, 2028. As of June 30, 2026 and 2025, we had $300.0 million and no notional amount, respectively, outstanding designated as an interest rate swap with third parties. At June 30, 2026, the maximum remaining length of the interest rate swap contract was approximately 2.3 years. The fair value of the interest rate swap designated as a hedging instrument is summarized below (in thousands):

The impact of changes in fair value of the interest rate swap is included in Note 16.

Current and non-current derivative assets are reported in our consolidated balance sheets in prepaid expenses and other current assets and other assets, respectively. Current and non-current derivative liabilities are reported in our consolidated balance sheets in accrued and other current liabilities and other long-term liabilities, respectively.

11. EARNINGS PER SHARE

The following table sets forth the reconciliation of the numerator and the denominator of basic and diluted earnings per share for the three months ended June 30, 2026 and 2025 (amounts in thousands, except per share data):

12. SHAREHOLDERS' EQUITY

Common Stock

Equity Offering

In September 2024, the Company completed a follow-on equity offering ("Equity Offering") pursuant to which we issued and sold a total of 1,265,000 shares of our common stock to the public, including shares issued pursuant to the underwriters' full exercise of their over-allotment option, at an offering price of $285 per share. We received proceeds of $347.4 million, net of underwriting fees and discounts and expenses incurred directly related to the Equity Offering. We used a portion of the proceeds to pay off the outstanding balance of our RCF at the time of the Equity Offering, and used the remainder of the proceeds for general corporate purposes, including the acquisitions of PF WaterWorks, L.P. and Aspen Manufacturing, as discussed in Note 2.

Share Repurchase Program

On November 18, 2024, we announced that our Board of Directors authorized a new $200.0 million share repurchase program, which replaced the previously announced $100.0 million program. On December 15, 2025, we announced an expansion of our current share repurchase program authorization from $200.0 million to $250.0 million. Under the current repurchase program, shares may be repurchased from time to time in the open market or in privately negotiated transactions. Repurchases will be made at our discretion, based on ongoing assessments of the capital needs of the business, the market price of our common stock and general market conditions. Our Board of Directors has established an expiration date of December 31, 2026, for completion of the current repurchase program; however, such program may be limited or terminated at any time at our discretion without notice.

Under the current $250.0 million repurchase program, a total of 87,970 and 15,539 shares were repurchased during the three months ended June 30, 2026 and 2025 for $23.5 million and $4.7 million, respectively.

In connection with the vesting of share awards, 32,675 and 14,966 shares for $9.0 million and $4.4 million, respectively, were tendered by employees to satisfy minimum tax withholding requirements during the three months ended June 30, 2026 and 2025, respectively.

Dividends

On April 15, 2025, we announced a quarterly dividend increase to a rate of $0.27 per share, which was subsequently increased to a rate of $0.30 on April 2, 2026. Total dividends of $4.9 million and $4.5 million were paid during the three months ended June 30, 2026 and 2025, respectively.

On July 17, 2026, we announced a quarterly dividend of $0.30 per share payable on August 14, 2026 to shareholders of record as of July 31, 2026. Any future dividends at the existing $0.30 per share quarterly rate or otherwise will be reviewed individually and declared by our Board of Directors in its discretion.

13. FAIR VALUE MEASUREMENTS

The carrying amounts of cash, accounts receivable, net and accounts payable approximate their fair values at June 30, 2026 and March 31, 2026 due to their short-term nature. Cash equivalents generally consist of money market funds invested with a reputable and highly diversified global bank in instruments issued or guaranteed by the U.S. Treasury. The fair value of these cash equivalents is based on quoted market price, which is a Level I input. The fair value of the interest rate swap contract (as discussed in Note 10) is determined using Level II inputs. The carrying value of our debt (discussed in Note 8) approximates fair value as it bears interest at floating rates.

The long-term investments with no readily determinable fair value are measured using the alternative for fair value and the investment's carrying value is reported at cost, adjusted for impairments or any observable price changes in ordinary transactions with identical or similar investments. As of June 30, 2026 and March 31, 2026, the long-term investments reported in the balance sheets were $7.3 million and $7.3 million, respectively.

The redeemable noncontrolling interest is recorded at the higher of the redemption value or carrying value each reporting period. The redemption value of the redeemable noncontrolling interest is estimated using a discounted cash flow analysis, which requires management judgment with respect to future revenue, operating margins, growth rates and discount rates and is classified as Level III under the fair value hierarchy. The redemption value of the redeemable noncontrolling interest is discussed in Note 3.

The fair value of the contingent consideration liability related to acquisitions is determined using either a scenario-based analysis on forecasted future results or an option pricing model simulation that determines an average projected payment value across numerous iterations. The contingent consideration liability is recorded at fair value on the acquisition date and is remeasured quarterly based on the then assessed fair value. The increases or decreases in the fair value of the contingent consideration can result from changes in future operations, forecasted revenue and assumed discount rates. The fair value measurement is based on significant inputs that are not observable in the market and is classified as Level III under the fair value hierarchy. As of June 30, 2026 and March 31, 2026, the contingent consideration liabilities, reported in our consolidated balance sheets in accrued and other current liabilities and other long-term liabilities, were $16.7 million and $16.7 million, respectively.

The following table presents the fair values of the Company's assets and liabilities measured on a recurring basis:

The following table presents the changes in the estimated fair values of the Company's contingent consideration liabilities measured using significant unobservable inputs (Level III):

14. CONTINGENCIES

From time to time, we are involved in various claims and legal actions that arise in the ordinary course of business. There are no matters pending, whether individually or in the aggregate, that we currently believe have a reasonable possibility of having a material impact to our business, consolidated financial position, results of operations or cash flows.

As of June 30, 2026, we were contingently liable in connection with a $1.3 million surety bond associated with our performance under an agreement with a logistics service provider. The letter of credit collateralizing this bond was issued under our RCF and reduces the available borrowing capacity. We have not recorded any liability for this contingency, as we believe the likelihood of having to perform under the letter of credit is remote.

15. INCOME TAXES

For the three months ended June 30, 2026, we earned $66.9 million from operations before taxes and recognized income tax expenses of $17.1 million, resulting in an effective tax rate of 25.6%. The provision for income taxes differed from the statutory rate for the three months ended June 30, 2026 primarily due to state income tax (net of federal benefit), executive compensation limitations, and provision for global intangible low-taxed income ("GILTI"); offset by excess tax deductions related to equity compensation, foreign tax credits, and foreign-derived intangible income (“FDII”).

For the three months ended June 30, 2025, we earned $54.4 million from operations before taxes and recognized income tax expenses of $13.2 million, resulting in an effective tax rate of 24.3%. The provision for income taxes differed from the statutory rate for the three months ended June 30, 2025 primarily due to state income tax (net of federal benefit), executive compensation limitations, and provision for GILTI; offset by adjustment to tax payable, foreign tax credits, excess tax deductions related to equity compensation and FDII.

The Company expects $6.6 million of reserves for uncertain tax positions to either be settled or expire within the next 12 months as the statutes of limitations expire. We are under examination by the state of New York for the fiscal years ended March 31, 2024 through March 31, 2025. We have not been notified of any material adjustments.

The Organization for Economic Cooperation and Development introduced a framework under Pillar Two, which includes a global minimum tax rate of 15% applied on a country-by-country basis for companies with global revenues and profits above certain thresholds. The Company is subject to Pillar Two effective for the fiscal year beginning April 1, 2026 as we met the threshold. Based on the analysis for the three months ended June 30, 2026, the Company does not expect a material impact from Pillar Two, as the effective tax rates in the jurisdictions in which we operate that have enacted Pillar Two legislation exceed the 15% minimum rate. The Company will continue to monitor legislative developments and evaluate any potential impact on the consolidated financial statements.

16. OTHER COMPREHENSIVE INCOME (LOSS)

The following table provides an analysis of the changes in accumulated other comprehensive income (loss) (in thousands):

(a) Unrealized gain (loss) is reclassified to earnings as underlying cash interest settlements are made or received. We expect to recognize a loss $1.1 million, net of deferred taxes, over the next twelve months related to the designated cash flow hedge based on its fair value at June 30, 2026.

(b) Amortization of actuarial gains (losses) out of accumulated comprehensive loss are included in the computation of net periodic pension expense.

17. REVENUE RECOGNITION

Refer to Note 20 to our consolidated financial statements included in our Annual Report for a description of our disaggregation of revenues. Disaggregation of revenues reconciled to our reportable segments is as follows (in thousands):

As of June 30, 2026 and March 31, 2026, accounts receivable, net balances were $233.3 million and $210.3 million, respectively. As of June 30, 2025 and March 31, 2025, accounts receivable, net balances were $179.4 million and $155.7 million, respectively. The following table summarizes the activity in the allowance for credit losses (in thousands):

Contract Balances

We receive payment from customers based on a contractual billing schedule and specific performance requirements as established in our contracts. We record billings as accounts receivable when an unconditional right to consideration exists. Contract liability represents our contractual billings in advance of revenue recognized for a contract and is included in accrued and other current liabilities in our consolidated balance sheets were as follows (in thousands):

18. SEGMENTS

As discussed in Note 21 to our consolidated financial statements in our Annual Report, we conduct our operations through three reportable segments:

• Contractor Solutions
• Specialized Reliability Solutions
• Engineered Building Solutions

The following is a summary of the financial information of our reporting segments reconciled to the amounts reported in the consolidated financial statements (in thousands).

Three Months Ended June 30, 2026:

Three Months Ended June 30, 2025:

Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations.

The following discussion and analysis of our financial condition and results of operations should be read together with our consolidated financial statements and related notes included in this Quarterly Report on Form 10-Q for the quarterly period ended June 30, 2026 (the "Quarterly Report"), as well as our consolidated financial statements and related notes for the fiscal year ended March 31, 2026 included in our Annual Report on Form 10-K for the fiscal year ended March 31, 2026 (the "Annual Report"). This discussion and analysis contains forward-looking statements based on current expectations relating to future events and our future performance that involve risks and uncertainties. See “Cautionary Note Regarding Forward-Looking Statements” below. Our actual results may differ materially from those anticipated in these forward-looking statements as a result of many factors, including those risk factors set forth in our Annual Report and in this Quarterly Report.

Overview

CSW Industrials, Inc. (the “Company,” “CSW,” “we,” “our” or “us”) is a diversified industrial growth company with a strategic focus on providing niche, value-added products in the end markets we serve. We operate in three business segments: Contractor Solutions, Specialized Reliability Solutions and Engineered Building Solutions. Our products include mechanical products for heating, ventilation, air conditioning and refrigeration ("HVAC/R"), plumbing products, grilles, registers and diffusers, building safety solutions and high-performance specialty lubricants and sealants. End markets that we serve include HVAC/R, architecturally-specified building products, plumbing, general industrial, energy, rail transportation, mining and electrical. Our manufacturing operations are concentrated in the United States (“U.S.”), Vietnam and Canada, and we have distribution operations in the U.S., Australia, Canada and the United Kingdom (“U.K.”). Our products are sold directly to end users or through designated channels in over 100 countries around the world, primarily including the U.S., Canada, the U.K. and Australia.

Drawing on our innovative and proven technologies, we seek to deliver solutions primarily to contractors that place a premium on superior performance and reliability. We believe our brands are well-known in the specific end markets we serve and have a reputation for high quality. We rely on both organic growth and inorganic growth through acquisitions to provide an increasingly broad portfolio of performance optimizing solutions that meet our customers’ ever-changing needs. We have a successful record of making attractive and synergistic acquisitions in support of this objective, and we remain focused on identifying additional acquisition opportunities in our core end markets.

Many of our products are used to protect the capital assets of our customers that are expensive to repair or replace and are critical to their operations. We have a source of recurring revenue from the maintenance, repair and overhaul and consumable nature of many of our products. We also provide some custom engineered products that strengthen and enhance our customer relationships. The reputation of our product portfolio is built on more than 100 well-respected brand names, such as AC Guard®, Air Sentry®, Amrad®, Aspen ManufacturingTM, Balco®, Cover Guard®, Deacon®, Duckt-Strip®, Dust Free®, Falcon®, Greco®, Hydrotex®, Jet-Lube®, Kopr-Kote®, Leak Freeze®, MARS®, Metacaulk®, No. 5®, OilSafe®, PF WaterWorksTM, ProAction Fluids®, PSP ProductsTM, RectorSeal®, Safe-T-Switch®, Shoemaker Manufacturing®, Smoke Guard®, TRUaire® and Whitmore®.

The ongoing conflict in the Middle East, including active military operations in Iran that began February 28, 2026, has contributed to disruptions in global shipping lanes, particularly through the Strait of Hormuz and the broader Persian Gulf region. While we do not source materials directly from Iran or the Persian Gulf region, the conflict has contributed to elevated crude oil prices, ocean and domestic freight and certain commodity costs, and it has extended lead times from Asian suppliers as carriers reroute through alternative passages including the Cape of Good Hope. We are continuing to work with our logistics partners to mitigate these impacts and do not currently believe they will have a material adverse effect on our ability to meet customer demand, though we continue to monitor the situation closely.

Our Outlook

We expect to maintain a strong balance sheet in fiscal year 2027, which provides us with access to capital through our cash on hand, internally-generated cash flow, and availability under our Revolving Credit Facility ("RCF") and Senior Secured Term Loan A ("TLA"). Our capital allocation strategy continues to guide our investing decisions, with a priority to direct capital to the highest risk adjusted return opportunities, within the categories of organic growth, strategic acquisitions and the return of cash to shareholders through our share repurchase and dividend programs. With the strength of our financial position, we will continue to invest in financially and strategically attractive expanded product offerings, key elements of our long-term strategy of targeting long-term profitable growth. We will continue to invest our capital in maintaining our facilities and in continuous improvement initiatives. We recognize the importance of, and remain committed to, continuing to drive organic growth, as well

as investing additional capital in opportunities with attractive risk-adjusted returns, driving increased penetration in the end markets we serve. We remain disciplined in our approach to acquisitions, particularly as it relates to our assessment of valuation, prospective synergies, diligence, cultural fit and ease of integration, especially in light of economic conditions.

RESULTS OF OPERATIONS

The following discussion provides an analysis of our consolidated results of operations and results for each of our segments.

All acquisitions are described in Note 2 to our consolidated financial statements included in this Quarterly Report. Duckt-Strip activity has been included in our results within our Contractor Solutions segment since the March 12, 2026 acquisition date. ProAction Fluids activity has been included in our results within our Specialized Reliability Solutions segment since the November 20, 2025 acquisition date. Hydrotex activity has been included in our results within our Specialized Reliability Solutions segment since the November 5, 2025 acquisition date. MARS Parts activity has been included in our results within our Contractor Solutions segment since the November 4, 2025 acquisition date. Aspen Manufacturing activity has been included in our results within our Contractor Solutions segment since the May 1, 2025 acquisition date.

Revenues, net

Net revenues for the three months ended June 30, 2026 increased $87.0 million, or 33.0%, as compared with the three months ended June 30, 2025. The increase was primarily due to the acquisitions of MARS Parts, Aspen Manufacturing, Hydrotex, and ProAction Fluids ($73.0 million or 27.7%). Organic revenue increased $14.0 million, or 5.3%, driven by pricing actions and higher unit volumes. Net revenue increased in the HVAC/R, general industrial, plumbing, and mining end markets and decreased in the architecturally-specified building products, rail transportation, and electrical end markets.

Gross Profit and Gross Profit Margin

Gross profit for the three months ended June 30, 2026 increased $41.9 million, or 36.3%, as compared with the three months ended June 30, 2025. The increase was primarily a result of increased revenue, partially offset by increases in material and freight costs. Gross profit margin of 44.9% for the three months ended June 30, 2026 increased as compared to 43.8% for the three months ended June 30, 2025. The increase was driven by pricing actions and favorable product mix, partially offset by increases in material and freight costs.

Operating Expenses

Operating expenses for the three months ended June 30, 2026 increased $16.9 million, or 28.0%, as compared with the three months ended June 30, 2025. The increase was primarily due to added expenses related to the inclusion of MARS Parts, Aspen Manufacturing, Hydrotex and ProAction Fluids in the current period, including amortization of intangible assets and the acquisition-related integration expenses. The decrease in operating expenses as a percentage of revenues was attributable to the revenue growing faster than the operating expenses, resulted from successful operating expense leverage from recent acquisitions and organic revenue growth.

Operating Income

Operating income for the three months ended June 30, 2026 increased $25.0 million, or 45.5%, as compared with the three months ended June 30, 2025, as the result of the increase in gross profit, partially offset by the increase in operating expenses, as discussed above. Operating margin of 22.8% for the three months ended June 30, 2026 increased as compared to 20.8% for the three months ended June 30, 2025. The increase was driven by the aforementioned increase in gross profit margin and decrease in operating expenses as a percentages of revenue.

Other Income and Expense

Net interest expense of $12.7 million for the three months ended June 30, 2026 increased $11.7 million as compared to net interest expense of $1.0 million for the three months ended June 30, 2025. The increase in the three months ended June 30, 2026 was due to the increased average borrowing under our RCF and TLA to fund the acquisitions (discussed in Note 2) and share repurchasing activities (discussed in Note 12).

Other expense, net of $0.2 million for the three months ended June 30, 2026 increased $0.7 million, as compared to the net income of $0.5 million for the three months ended June 30, 2025. The change in the three months ended June 30, 2026 was due to the foreign currency gains/losses related to transactions in currencies other than functional currencies.

Provision for Income Taxes and Effective Tax Rate

For the three months ended June 30, 2026, we earned $66.9 million from operations before taxes and recognized income tax expenses of $17.1 million, resulting in an effective tax rate of 25.6%. The provision for income taxes differed from the statutory rate for the three months ended June 30, 2026 primarily due to state income tax (net of federal benefit), executive compensation limitations, and provision for global intangible low-taxed income ("GILTI"); offset by excess tax deductions related to equity compensation, foreign tax credits, and foreign-derived intangible income (“FDII”).

For the three months ended June 30, 2025, we earned $54.4 million from operations before taxes and recognized income tax expenses of $13.2 million, resulting in an effective tax rate of 24.3%. The provision for income taxes differed from the statutory rate for the three months ended June 30, 2025 primarily due to state income tax (net of federal benefit), executive compensation limitations, and provision for GILTI; offset by adjustment to tax payable, foreign tax credits, excess tax deductions related to equity compensation and FDII.

The Company expects $6.6 million of reserves for uncertain tax provisions to either be settled or expire within the next 12 months as the statutes of limitations expire. We are under examination by the state of New York for the fiscal years ended March 31, 2024 through March 31, 2025. We have not been notified of any material adjustments.

Business Segments

We conduct our operations through three business segments based on how we manage the business. We evaluate segment performance and allocate resources based on each segment's operating income. The key operating results for our three segments are discussed below.

Contractor Solutions Segment Results

The Contractor Solutions segment manufactures efficiency and performance enhancing products predominantly for residential and commercial HVAC/R, plumbing and electrical applications, which are designed primarily for professional end-use customers.

Net revenues for the three months ended June 30, 2026 increased $79.3 million, or 40.3%, as compared with the three months ended June 30, 2025. The increase was primarily due to the acquisitions of MARS Parts and Aspen Manufacturing ($67.6 million or 34.4%). Organic revenue increased $11.6 million, or 5.9%, due to pricing actions and higher unit volumes. Net revenue increased in the HVAC/R, plumbing, and architecturally-specified building product end markets and decreased in the electrical end market.

Operating income for the three months ended June 30, 2026 increased $22.3 million, or 42.2%, as compared with the three months ended June 30, 2025. The increase was primarily due to the increased revenue, which more than offset higher material and freight costs and incremental spend related to the integration of completed acquisitions. Operating income margin of 27.2% for the three months ended June 30, 2026 increased as compared to 26.8% for the three months ended June 30, 2025. This increase was due to pricing actions and successful operating expenses leverage of recent acquisitions, partially offset by higher material and freight costs and acquisition integration costs.

Specialized Reliability Solutions Segment Results

The Specialized Reliability Solutions segment provides products for increasing reliability, efficiency, performance and lifespan of industrial assets and solving equipment maintenance challenges.

Net revenues for the three months ended June 30, 2026 increased $11.4 million, or 30.9%, as compared to the three months ended June 30, 2025. The increase was primarily due to the acquisitions of Hydrotex and ProAction Fluids ($5.3 million or 14.5%). Organic revenue increased $6.1 million, or 16.5% due to higher unit volume and pricing actions. Net revenue increased in the general industrial and mining end markets and decreased in the rail transportation end market.

Operating income for the three months ended June 30, 2026 increased $2.8 million or 53.6% as compared to the three months ended June 30, 2025. The increase was primarily due to the increased revenue, which more than offset higher freight and material costs and acquisition integration expenses. Operating income margin of 16.7% for the three months ended June 30, 2026 increased as compared to 14.2% for the three months ended June 30, 2025, benefiting from improved operating leverage from the recent acquisitions and higher organic volume, pricing actions and a mix shift toward higher-margin products, partially offset by higher freight and material costs and acquisition integration expenses.

Engineered Building Solutions Segment Results

The Engineered Building Solutions segment provides primarily code-driven, life-safety products that are engineered to provide aesthetically-pleasing solutions for the construction, refurbishment and modernization of commercial, institutional and multi-family residential buildings.

Net revenues for the three months ended June 30, 2026 decreased $3.0 million or 9.3% as compared to the three months ended June 30, 2025 due to softness in the residential market served by the Greco business, partially offset by pricing actions and volume growth in the Smoke Guard business.

Operating income for the three months ended June 30, 2026 increased $0.6 million, or 14.4%, as compared with the three months ended June 30, 2025. The increase was primarily attributed by the Smoke Guard business, reflecting successful execution of material sourcing strategies and improved quality control that eliminated certain warranty costs incurred in prior period. Operating income margin of 15.8% for the three months ended June 30, 2026 increased as compared to 12.5% for the three months ended June 30, 2025 due to the mix shift toward the higher-margin Smoke Guard business.

LIQUIDITY AND CAPITAL RESOURCES

General

Existing cash on hand, cash generated by operations and borrowings available under our RCF (“Revolver Borrowings”) and TLA are our primary sources of short-term liquidity. Our ability to consistently generate strong cash flow from our operations is one of our most significant financial strengths: it enables us to invest in our people and our brands, make capital investments and strategic acquisitions, provide a cash dividend program, and from time-to-time, repurchase shares of our common stock. Additionally, we use our Revolver Borrowings to support our working capital requirements, capital expenditures and strategic acquisitions. We seek to maintain adequate liquidity to meet working capital requirements, fund capital expenditures, make scheduled interest payments on debt and meet our contingent consideration obligations. Absent a material deterioration of market conditions, we believe that cash flows from operating activities and financing activities (which would primarily consist of Revolver Borrowings), will provide adequate resources to satisfy our working capital, scheduled interest and principal payments on debt, anticipated dividend payments, periodic share repurchases, contingent consideration obligations and anticipated capital expenditure requirements for both our short-term and long-term needs.

Cash Flow Analysis

Our cash balance (including cash and cash equivalents) at June 30, 2026 was $47.5 million, as compared with $33.8 million at March 31, 2026.

For the three months ended June 30, 2026, our cash provided by operating activities from operations was $75.6 million, as compared with $60.6 million for three months ended June 30, 2025.

• Working capital used cash for the three months ended June 30, 2026 due to higher accounts receivable ($24.6 million), partially offset by higher accounts payable and other current liabilities ($12.5 million), lower prepaid expenses and other current assets ($7.5 million) and lower inventory ($2.2 million).
• Working capital provided cash for the three months ended June 30, 2025 due to lower inventories ($7.6 million), lower prepaid and other current assets ($0.7 million), partially offset by higher accounts receivable ($7.8 million).

Cash flows used in investing activities from operations during the three months ended June 30, 2026 were $6.0 million, as compared with $326.7 million used in investing activities for the three months ended June 30, 2025.

• Capital expenditures during the three months ended June 30, 2026 and 2025 were $6.0 million and $2.9 million, respectively. Our capital expenditures have been focused on capacity expansion (including $0.7 million and $0.3 million during the current and prior year periods for the Whitmore JV), new product introductions, continuous improvement and automation of manufacturing facilities and enterprise resource planning systems.
• During the three months ended June 30, 2025, we acquired Aspen Manufacturing for an aggregate purchase price of $327.6 million, including $313.5 million in cash consideration and working capital adjustment of $14.1 million, as discussed in Note 2 to our consolidated financial statements included in this Quarterly Report.

Cash flows (used in) provided by financing activities during the three months ended June 30, 2026 and 2025 were $(55.3) million and $78.4 million, respectively.

• Net borrowings (repayments) on our RCF and TLA (as discussed in Note 8 to our consolidated financial statements included in this Quarterly Report) of $(14.0) million and $95.0 million during the three months ended June 30, 2026 and 2025, respectively.
• As discussed in Note 12 to our consolidated financial statements included in this Quarterly Report, repurchases of shares under our share repurchase program of $25.5 million and $4.7 million during the three months ended June 30, 2026 and 2025, respectively.
• In connection with the vesting of equity awards under our Long Term Incentive Plan, $10.9 million and $4.4 million were tendered by employees to satisfy minimum tax withholding requirements during the three months ended June 30, 2026 and 2025, respectively.
• Payments of $2.8 million of underwriting discounts and fees in connection with our Third Amended and Restated Credit Agreement during the three months ended June 30, 2025, as discussed in Note 8 to our consolidated financial statements included in this Quarterly Report.
• Dividend payments of $4.9 million and $4.5 million during the three months ended June 30, 2026 and 2025, respectively.

Acquisitions and Dispositions

We regularly evaluate acquisition opportunities of various sizes. The cost and terms of any financing to be raised in conjunction with any acquisition, including our ability to raise capital, is a critical consideration in any such evaluation. Note 2 to our consolidated financial statements included in this Quarterly Report contains a discussion of the recent acquisitions.

Financing

Credit Facilities

See Note 8 to our consolidated financial statements included in this Quarterly Report for a discussion of our indebtedness. We were in compliance with all covenants as of June 30, 2026. See Note 10 to our consolidated financial statements included in this Quarterly Report for a discussion of our interest rate swaps.

CRITICAL ACCOUNTING POLICIES AND ESTIMATES

Management’s discussion and analysis of financial condition and results of operations are based on our consolidated financial statements and related footnotes contained within this Quarterly Report. Our critical accounting policies used in the preparation of our consolidated financial statements were discussed in “Management’s Discussion and Analysis of Financial Condition and Results of Operations” included in our Annual Report. No significant changes to these policies, as described in our Annual Report, have occurred in the three months ended June 30, 2026.

The process of preparing consolidated financial statements in conformity with U.S. generally accepted accounting principles requires the use of estimates and assumptions to determine certain of the assets, liabilities, revenues and expenses. These estimates and assumptions are based upon what we believe is the best information available at the time of the estimates or assumptions. The estimates and assumptions could change materially as conditions within and beyond our control change. Accordingly, actual results could differ materially from those estimates.

Based on an assessment of our accounting policies and the underlying judgments and uncertainties affecting the application of those policies, we believe that our consolidated financial statements provide a meaningful and fair perspective of our consolidated financial condition and results of operations. This is not to suggest that other general risk factors, such as changes in worldwide demand, changes in material costs, performance of acquired businesses and others, could not adversely impact our consolidated financial condition, results of operations and cash flows in future periods. See “Cautionary Note Regarding Forward-Looking Statements” below.

ACCOUNTING DEVELOPMENTS

We have presented the information about pronouncements not yet implemented in Note 1 to our consolidated financial statements included in this Quarterly Report.

Item 3. Quantitative and Qualitative Disclosures About Market Risk.

We are exposed to market risk from changes in interest rates and foreign currency exchange rates, which may adversely affect our consolidated financial position and results of operations. We seek to minimize the risk associated with changes in interest rates through regular operating and financing activities, and when deemed appropriate, through the use of an interest rate swap. It is our policy to enter into interest rate swaps only to the extent considered necessary to meet our risk management objectives. We do not purchase, hold or sell derivative financial instruments for trading or speculative purposes.

Variable Rate Indebtedness

We are subject to interest rate risk on our variable rate indebtedness. Fluctuations in interest rates have a direct effect on interest expense associated with our outstanding indebtedness. From time to time, we manage, or hedge, interest rate risks related to our borrowings by means of interest rate swap agreements. On November 4, 2025, we entered into an interest rate swap to hedge our exposure to variability in cash flows from interest payments on the first $300.0 million of borrowings under the TLA. At June 30, 2026, we had $557.5 million in unhedged variable rate indebtedness with an average interest rate of 5.7%, each quarter point change in interest rates would result in a change of approximately $1.4 million in our interest expense on an annual basis.

We may also be exposed to credit risk in derivative contracts we may use. Credit risk is the failure of the counterparty to perform under the terms of the derivative contract. If the fair value of a derivative contract is positive, the counterparty will owe us, which creates credit risk for us. If the fair value of a derivative contract is negative, we will owe the counterparty and, therefore, do not have credit risk. We have sought to minimize the credit risk in derivative instruments by entering into transactions with high-quality counterparties.

Foreign Currency Exchange Rate Risk

We conduct an immaterial portion of our operations outside of the U.S. in currencies other than the U.S. dollar. Our non-U.S. operations are conducted primarily in their local currencies, which are also their functional currencies, and include the Australian dollar, British pound, Canadian dollar and Vietnamese dong. Foreign currency exposures arise from translation of foreign-denominated assets and liabilities into U.S. dollars and from transactions denominated in a currency other than our operations' functional currency. We recognized foreign currency transaction net gain (loss) of $(0.2) million and $0.6 million for the three months ended June 30, 2026 and 2025, respectively, which are included in other expense, net on our Consolidated Statements of Income. We realized a net gain (loss) associated with foreign currency translation gain (loss) of $(0.3) million and $1.4 million for the three months ended June 30, 2026 and 2025, respectively, which are included in accumulated other comprehensive income (loss).

Based on a sensitivity analysis at June 30, 2026, a 10% change in the foreign currency exchange rates for the three months ended June 30, 2026 would have impacted our net earnings by approximately 5%. This calculation assumes that all currencies change in the same direction and proportion relative to the U.S. dollar and that there are no indirect effects, such as changes in non-U.S. dollar revenue volumes or prices.

International Markets Risk

Our manufacturing operations are concentrated in the U.S., Vietnam and Canada, and we have distribution operations in the U.S., Australia, Canada and the U.K. Rapidly changing global trade policies, such as tariffs, may increase operating costs and uncertainty. We continue to monitor domestic and international regulatory developments relevant to our manufacturing and distribution operations.

Item 4. Controls and Procedures.

Disclosure Controls and Procedures

The Company's management, with the participation of the Company's Chief Executive Officer and Executive Vice President and Chief Financial Officer, has evaluated the effectiveness of the Company's disclosure controls and procedures (as such term is defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, (the “Exchange Act”)) as of the end of the period covered by this Quarterly Report. Based on such evaluation, the Company's Chief Executive Officer and Executive Vice President and Chief Financial Officer have concluded that, as of the end of such period, the Company's disclosure controls and procedures were effective.

Changes in Internal Control over Financial Reporting

There have been no changes in our internal control over financial reporting (as defined in Rules 13a-15(f) and 15d-15(f) of the Exchange Act) during the quarter ended June 30, 2026 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

PART II — OTHER INFORMATION

Item 1. Legal Proceedings.

The disclosure contained in Note 14 to our consolidated financial statements included in “Item 1. Financial Statements” of this Quarterly Report is incorporated by reference into this “Item 1. Legal Proceedings.” In addition to the foregoing, we and our subsidiaries are from time to time named defendants in certain lawsuits incidental to our business, including product liability claims that are insured, subject to applicable deductibles, and are involved from time to time as parties to governmental proceedings, all arising in the ordinary course of business. Although the outcome of lawsuits or other proceedings involving us and our subsidiaries cannot be predicted with certainty, and the amount of any liability that could arise with respect to such lawsuits or other proceedings cannot be predicted accurately, management does not currently expect the amount of any liability that could arise with respect to these matters, either individually or in the aggregate, to have a material adverse effect on our financial position, results of operations or cash flows.

Item 1A. Risk Factors.

There are numerous factors that affect our business and results of operations, many of which are beyond our control. In addition to other information set forth in this Quarterly Report, careful consideration should be given to “Item 1A. Risk Factors” in Part I and “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations” in Part II of our Annual Report, which contain descriptions of significant factors that may cause the actual results of operations in future periods to differ materially from those currently expected or desired.

There have been no material changes in the risk factors discussed in our Annual Report and subsequent SEC filings. The risks described in this Quarterly Report, our Annual Report and in our other SEC filings or press releases from time to time are not the only risks we face. Additional risks and uncertainties are currently deemed immaterial based on management’s assessment of currently available information, which remains subject to change; however, new risks that are currently unknown to us may arise in the future that could materially adversely affect our business, financial condition, results of operations or cash flows.

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds.

Note 12 to our consolidated financial statements included in “Item 1. Financial Statements” of this Quarterly Report includes a discussion of our share repurchase programs. The following table represents the number of shares repurchased during the quarter ended June 30, 2026.

(a) On November 18, 2024, we announced that our Board of Directors authorized a new program to repurchase up to $200.0 million of our common stock, which replaced the prior $100.0 million program. On December 15, 2025, we announced an expansion of our current share repurchase program authorization from $200.0 million to $250.0 million. Under the current program, shares may be repurchased from time to time in the open market or in privately negotiated transactions. Our Board of Directors has established an expiration date of December 31, 2026, for completion of the current repurchase program; however, the program may be limited or terminated at any time at our discretion without notice. A total of 611,091 shares have been repurchased under the current program.

(b) Includes shares tendered by employees to satisfy minimum tax withholding amounts related to the vesting of equity awards.

Item 5. Other Information.

During the three months ended June 30, 2026, none of our directors or officers (as defined in Rule 16a-1(f) under the Exchange Act) adopted or terminated any contract, instruction or written plan for the purchase or sale of our securities that was intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) under the Exchange Act or any “non-Rule 10b5-1 trading arrangement” as defined in Item 408(c) of Regulation S-K.

Item 6. Exhibits

Exhibit No. Description

3.1 Third Amended and Restated Certificate of Incorporation of CSW Industrials, Inc. (incorporated by reference to Exhibit 3.1 to the Company's Current Report on Form 8-K, filed on August 15, 2018) 3.2 CSW Industrials, Inc. Amended and Restated Bylaws, adopted and effective August 14, 2018 (incorporated by reference to Exhibit 3.2 to the Company's Current Report on Form 8-K, filed on August 15, 2018) 31.1* Certification of Principal Executive Officer pursuant to Exchange Act Rules 13a-14(a) and 15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. 31.2* Certification of Principal Financial Officer pursuant to Exchange Act Rules 13a-14(a) and 15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. 32.1** Certification of Principal Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. 32.2** Certification of Principal Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. 101.INS XBRL Instance Document 101.SCH XBRL Taxonomy Extension Schema Document 101.CAL XBRL Taxonomy Extension Calculation LinkBase Document 101.DEF XBRL Taxonomy Extension Definition LinkBase Document 101.LAB XBRL Taxonomy Extension Label LinkBase Document 101.PRE XBRL Taxonomy Extension Presentation LinkBase Document (104) Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)

• Filed herewith

** Furnished herewith