Core Insights - Insteel Industries reported fiscal Q3 2025 earnings with a net income of $15.2 million ($0.78 per share) and a gross margin expansion of 650 basis points to 17.1%, alongside a year-over-year shipment volume increase of 10.5% [1] Financial Performance - Gross profit rose by $15.4 million year over year to $30.8 million, with average selling prices increasing by 11.7% year over year and 8.2% sequentially from fiscal Q2 [2] - The company managed to expand spreads as the increase in average selling prices outpaced the rise in raw material costs during the quarter [3] Supply Chain and Tariff Impact - Section 232 tariffs on steel doubled from 25% to 50% in June, leading to the company importing 25% to 30% of its steel requirements, with import exposure contained at roughly 10% of revenue [4] - The company emphasized the necessity of wire rod imports due to insufficient domestic production capacity, which exposes it to elevated input cost risks and regulatory unpredictability [5] Acquisition and Integration - Recent acquisitions, particularly of Engineered Wire Products and O'Brien Wire Products, contributed to shipment growth and required operational restructuring, with $843,000 in related restructuring charges taken in the quarter [6] - Successful integration of these acquisitions is enhancing operational flexibility and productivity, allowing the company to better manage demand fluctuations [7] Future Outlook - Management expects GAAP gross margins to remain stable, supported by elevated demand and favorable inventory costs, while cutting fiscal 2025 capital expenditures guidance to $11 million from $17 million [8] - The company affirmed a robust demand environment through the fiscal year's end but did not provide formal shipment or revenue forecasts due to unpredictability around tariffs and the economic outlook [8]

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from ______ to ______. Commission File Number: 1-09929 Insteel Industries Inc. (Exact name of registrant as specified in its charter) For the quarterly period ended June 28, 2025. North Carolina 56-0674867 (State or other j ...

Financial Data and Key Metrics Changes - Net earnings for Q3 2025 increased to $15.2 million or $0.78 per share compared to $6.6 million or $0.34 per share in the prior year, with adjusted earnings at $0.81 per share excluding non-recurring charges [6][12] - Average selling prices rose 11.7% year over year and 8.2% sequentially from Q2 2025, reflecting pricing actions taken to manage rising raw material costs [6][10] - Gross profit for the quarter increased to $30.8 million, with gross margin expanding by 650 basis points to 17.1% [9][10] Business Line Data and Key Metrics Changes - Shipments for the quarter increased by 10.5% year over year and 3.5% sequentially, driven by recent acquisitions and improving demand in construction markets [8] - SG&A expenses rose to $10.6 million or 5.9% of net sales compared to $7.9 million or 5.4% of net sales in the prior year, primarily due to increased compensation expenses [10][11] Market Data and Key Metrics Changes - The U.S. wire rod market remains tight, with public prices for steel wire rod increasing by approximately $190 per ton since January [7] - The architectural billing index increased to 47.2, indicating early signs of stabilization in nonresidential construction, although it remains below the growth threshold [15] - Nonresidential construction spending declined by 3.5% compared to the prior year, reflecting a softer demand environment [18] Company Strategy and Development Direction - The company aims to capitalize on improving demand trends while managing working capital and maintaining strong customer relationships [19] - The administration's tariff strategy is seen as a work in progress, with only about 10% of revenue directly affected by imports, indicating a cautious approach to import competition [21][22] - The company plans to continue its share buyback program and has reduced its full-year capital expenditure target to $11 million from $17 million [14][29] Management's Comments on Operating Environment and Future Outlook - Management expressed optimism about ongoing demand recovery despite macroeconomic uncertainties, noting that customer confidence remains strong [20] - The company is well-positioned to navigate near-term challenges while building long-term value for shareholders [19] - Management acknowledged risks related to the administration's tariff policies and the future performance of the U.S. economy but remains focused on maximizing shipments and optimizing costs [30] Other Important Information - The effective tax rate for the quarter fell to 23.3% from 24.7% a year ago, with expectations to remain around 23.4% for the remainder of the year [12] - The company ended the quarter with $53.7 million in cash and is debt-free, providing financial flexibility for growth opportunities [14] Q&A Session Summary Question: Have quoting levels for newer projects followed the same trajectory as strong business activity? - Management noted that raw material constraints have caused backlogs to grow, but they remain optimistic about project inquiries, particularly in data centers [35][36] Question: What is the potential timeline to resolve the recent Section 232 tariff disconnect? - Management believes the administration's intent is for the tariff to be on the full value of the product, and they are actively engaging with commerce to address ambiguities [37][38] Question: How is the integration of engineered wire products progressing? - Management expressed satisfaction with the integration, noting that the facility is productive and they are learning from each other [40][41] Question: Do you anticipate being able to maintain current margin levels? - Management expects to pass through higher costs and does not anticipate margin deterioration in the current market [54] Question: What needs to occur for the housing market to improve? - Management indicated that while they do not solely rely on housing, infrastructure investments are expected to drive demand for their products [56] Question: What is the outlook for cash balance at year-end? - Management stated that they are not dissatisfied with the current cash balance and will assess the situation as the year progresses [57] Question: Can you quantify the domestic wire rod supply shortage? - Management estimated that they will have imported 25% to 30% of their steel requirements, approximating the domestic shortfall [58]

Financial Data and Key Metrics Changes - Net earnings for Q3 2025 increased to $15.2 million or $0.78 per share compared to $6.6 million or $0.34 per share in the prior year, with adjusted earnings at $0.81 per share excluding non-recurring charges [4][10] - Average selling prices rose 11.7% year over year and 8.2% sequentially from Q2 2025, reflecting pricing actions taken to manage rising raw material costs [4][6] - Gross profit for the quarter increased to $30.8 million, with gross margin expanding by 650 basis points to 17.1% [6][7] Business Line Data and Key Metrics Changes - Shipments for the quarter increased by 10.5% year over year and 3.5% sequentially, driven by acquisitions and improving demand in construction markets [6][10] - SG&A expenses rose to $10.6 million or 5.9% of net sales compared to $7.9 million or 5.4% in the prior year, primarily due to increased compensation expenses [8][9] Market Data and Key Metrics Changes - The U.S. wire rod market remains tight, with public prices for steel wire rod increasing by approximately $190 per ton since January [5] - The architectural billing index increased to 47.2, indicating early signs of stabilization, while the Dodge Amendment Index rose 6.8% month over month to 225.1, suggesting a growing pipeline for nonresidential construction [13][14] Company Strategy and Development Direction - The company aims to capitalize on improving demand trends while managing working capital and maintaining strong customer relationships [17] - The administration's tariff strategy is seen as a work in progress, with only about 10% of revenue directly affected by imports, indicating a cautious approach to import competition [20][21] Management's Comments on Operating Environment and Future Outlook - Management expressed optimism about ongoing demand recovery despite macroeconomic uncertainties, noting that customer confidence remains strong [19] - The company is well-positioned to navigate near-term challenges while pursuing growth opportunities, both organic and through acquisitions [29] Other Important Information - The effective tax rate for the quarter fell to 23.3%, with expectations to remain around 23.4% for the remainder of the year [10] - The company ended the quarter with $53.7 million in cash and is debt-free, providing financial flexibility for growth opportunities [12] Q&A Session Summary Question: Have quoting levels for newer projects followed the strong business activity trajectory? - Management noted that raw material constraints have caused backlogs to grow, but they remain optimistic about overall market conditions [35] Question: What is the potential timeline to resolve the recent Section 232 tariff disconnect? - Management believes the administration's intent is for the tariff to be on the full value of the product, and they are actively engaging with the Department of Commerce on this matter [37] Question: How is the integration of Engineered Wire Products going? - Management expressed satisfaction with the integration process, noting that they are learning from the acquired facility and seeing positive operational results [39] Question: Do you anticipate being able to maintain current margin levels? - Management expects to pass through higher costs and does not anticipate margin deterioration in the current market environment [53] Question: What needs to occur for the housing market to improve? - Management indicated that while they do not solely rely on housing, infrastructure investments are expected to drive demand for their products [55] Question: What is the outlook for cash balance at year-end? - Management stated that they are not dissatisfied with the current cash position and will assess the year-end outlook as they approach the end of the fiscal year [56] Question: Can you quantify the domestic wire rod supply shortage? - Management estimated that they will have imported 25% to 30% of their steel requirements, approximating the domestic shortfall [57]

Business Overview - The company is the nation's largest manufacturer of steel wire reinforcing products[8] - The company operates 11 facilities[9] - PC Strand accounts for 58% of sales, while Welded Wire Reinforcement accounts for 42%[13] - Distributors account for 70% of sales, while Rebar Fabricators, Contractors, and Concrete Product Manufacturers account for 30%[17] - Residential Construction accounts for 85% of sales, while Nonresidential Construction accounts for 15%[17] Growth Strategy - The company focuses on converting rebar users to ESM, which requires fewer tons of steel due to its higher yield strength (80,000 PSI for ESM versus 60,000 PSI for rebar)[47] - The company acquired Engineered Wire Products for $67 million in October 2024 and O'Brien Wire Products for $5.1 million in November 2024[49] Financials - As of June 28, 2025, the company was debt-free with $53.7 million of cash and no borrowings outstanding on its $100 million revolving credit facility[94] - Capital expenditures are expected to total approximately $11 million in fiscal year 2025[90] - The company repurchased $2 million YTD in FY 2025 and $1.8 million in FY 2024[100] Market Outlook - In June, the Dodge Momentum Index rose 6.8% month-over-month and is 20% higher than June of last year[104]

Exhibit 99.1 NEWS RELEASE FOR IMMEDIATE RELEASE Contact: Scot Jafroodi Vice President, Chief Financial Officer and Treasurer Insteel Industries Inc. (336) 786-2141 Net sales rose 23.4% to $179.9 million from $145.8 million in the prior year quarter, driven by an 11.7% rise in average selling prices and a 10.5% increase in shipments. Higher average selling prices reflect pricing actions taken across all product lines to recover escalating raw material and operating costs. The rise in shipments was driven by ...

Business Overview - Insteel Industries is the nation's largest manufacturer of steel wire reinforcing products for concrete construction applications[6] - In 2015, Welded Wire Reinforcement (WWR) accounted for 57% of sales, while PC Strand accounted for 43%[5] - Nonresidential construction represents 85% of sales, while residential construction accounts for 15%[9] - Concrete product manufacturers account for 70% of sales, while distributors, rebar fabricators, and contractors make up 30%[10] Growth Strategy & Acquisitions - Existing facilities are capable of generating over $700 million of annualized revenues at current ASPs with minimal incremental capex required[31] - In November 2010, Insteel acquired Ivy Steel & Wire, Inc for $50.3 million[34] - In August 2014, Insteel acquired American Spring Wire Corporation for $33.5 million[37] - Closure of Newnan facility in March 2015 is expected to generate approximately $3.0 million of annualized cost savings[106] Financial Performance - Fiscal Year 2014 net sales were $409 million[29] - EBITDA for 2015 was $46.7 million, representing 10.4% of EBITDA Margin[54] - Capital expenditures are expected to increase to $20.0 million in 2016, including $9.0 million related to the expansion of the Houston PC strand facility[71] - As of October 3, 2015, Insteel was debt-free with $33.3 million of cash and cash equivalents[74] Market Outlook - Total construction spending for 2014 was up 4.8% from the prior year[80] - Total construction spending for August YTD 2015 was up 9.8% from the prior year[84] - Architecture Billings Index rebounded to 53.7 in September 2015[101] - Dodge Momentum Index in September 2015 was up 5.8% from the prior month and 20.9% from a year ago[104]

Business Overview - Insteel Industries is the nation's largest manufacturer of steel wire reinforcing products for concrete construction applications[6] - The company manufactures and markets welded wire reinforcement (WWR) which accounts for 61% of 2016 sales, and prestressed concrete strand (PC strand) products which accounts for 39% of 2016 sales[5] - Nonresidential construction accounts for 85% of sales, while residential construction accounts for 15% of sales[9] - Concrete product manufacturers account for 70% of sales, while distributors, rebar fabricators, and contractors account for 30% of sales[10] Growth Strategy - Existing facilities are capable of generating over $700 million of annualized revenues at current ASPs with minimal incremental capex required[31] - In November 2010, Insteel acquired Ivy Steel & Wire, Inc for $50.3 million[34] - In August 2014, Insteel acquired American Spring Wire Corporation for $33.5 million[37] Financial Performance - FY2016 net sales were $418.5 million[40] - The company's gross profit for 2016 was $85.2 million, representing a gross margin of 20.4%[51] - EBITDA for 2016 was $73.1 million, with an EBITDA margin of 17.5%[55] - As of October 1, 2016, Insteel was debt-free with $58.9 million of cash and cash equivalents[77] Market Conditions and Outlook - Total construction spending for 2015 was up 10.6% from the prior year[83] - Total construction spending for August YTD 2016 was up 4.9% from the prior year[86] - The FAST Act authorizes $305 billion of funding over a five-year period, including $226.2 billion for federal highway investment[106] - The first phase of the Texas PC strand expansion is expected to reduce annual operating costs by $5.0 million[107]

Business Overview - Insteel Industries is the nation's largest manufacturer of steel wire reinforcing products for concrete construction applications[6] - In 2017, Welded Wire Reinforcement (WWR) accounted for 62% of sales, while PC Strand accounted for 38%[5] - Nonresidential construction accounted for 85% of sales, while residential construction accounted for 15%[9] - Concrete product manufacturers accounted for 70% of sales, while distributors, rebar fabricators, and contractors accounted for 30%[10] Growth Strategy & Acquisitions - Existing facilities are capable of generating over $700 million of annualized revenues at current ASPs with minimal incremental capex required[30] - In November 2010, Insteel acquired Ivy Steel & Wire, Inc for $50.3 million[33] - In August 2014, Insteel acquired American Spring Wire Corporation for $33.5 million[36] Financial Performance - FY2017 net sales were $388.9 million[39] - In 2017, raw materials accounted for 67% of the cost of sales, manufacturing costs accounted for 26%, and freight accounted for 7%[43] - EBITDA in 2017 was $48.2 million, representing 12.4% of EBITDA Margin[55] - Net earnings in 2017 were $1.17 per diluted share[61] - As of September 30, 2017, Insteel was debt-free with $32.1 million of cash and cash equivalents[73] Market & Outlook - Total construction spending for 2016 was up 6.5% from the prior year[80] - Total nonresidential building construction is forecasted to grow 3.8% in 2017 and 3.6% in 2018[100] - The FAST Act authorizes $305 billion of funding over a five-year period, including $226.2 billion for federal highway investment[104]

Business Overview - Insteel Industries is the nation's largest manufacturer of steel wire reinforcing products for concrete construction applications[6] - In 2018, Welded Wire Reinforcement (WWR) accounted for 60% of sales, while PC Strand accounted for 40%[5] - Nonresidential construction represents 85% of sales, with residential construction making up the remaining 15%[9] - Concrete product manufacturers account for 70% of sales, while distributors, rebar fabricators, and contractors make up the remaining 30%[10] Acquisitions and Expansions - In November 2010, Insteel acquired Ivy Steel & Wire, Inc for $50.3 million[29] - In August 2014, Insteel acquired American Spring Wire Corporation for $33.5 million[32] - In November 2017, Insteel acquired certain assets of Ortiz Engineered Products, Inc[35] - Capital expenditures are expected to total up to $22.0 million in 2019, primarily focused on cost and productivity improvement initiatives[69] Financial Performance - Net sales for 2018 were $453.2 million[37] - Gross profit for 2018 was $70.8 million, representing a gross margin of 15.6%[48, 50] - EBITDA for 2018 was $57.4 million, representing an EBITDA margin of 12.7%[52, 54] - As of September 29, 2018, Insteel was debt-free with $43.9 million of cash and cash equivalents[72] Market and Outlook - Total construction spending for 2017 was up 4.5% from the prior year[78] - Total nonresidential construction spending for August YTD 2018 rose 4.4% from a year ago to $490.6 billion[89] - Construction employment in September 2018 was up 315,000, or 4.5%, from a year ago[92] - The FAST Act authorizes $305 billion of funding over a five-year period, including $226.2 billion for federal highway investment[102]