Earnings release
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Exhibit 99.1 PREFORMED LINE PRODUCTS ANNOUNCES THIRD QUARTER 2026 FINANCIAL RESULTS CLEVELAND, OHIO – October 28, 2026 - Preformed Line Products Company (NASDAQ: PLPC) today reported financial results for its third-quarter of 2026. Q3 2026 highlights: • Quarterly net sales of $209.5 million, an increase of 18% from Q3 2025. • Quarterly gross profit margin of 33.4%, up 370 basis points from Q3 2025. • Quarterly diluted EPS of $3.56 per share, up $3.03 from Q3 2025. EPS was up 70% from Q3 2025 when adjusted for the charges related to the U.S. Pension Plan termination that occurred in Q3 2025. • Quarterly Cash Flow from Operations up 95% from Q3 2025 and 32% for the nine-month period ended September 30, 2026. Net sales in the third quarter of 2026 were $209.5 million compared to $178.1 million in the third quarter of 2025, an 18% increase. PLP-USA continued its strong 2026 performance driven primarily by sales growth in the transmission and distribution markets. Among the international segments, The Americas net sales grew 7% on a constant-currency basis, benefiting from the May 2026 acquisition of Delta Star Conetores Electricos Ltda ("Delta Star") and higher communications volumes. Asia-Pacific net sales grew 17% on a constant-currency basis, driven by higher volumes in energy sales. Foreign currency translation increased third quarter 2026 net sales by $3.1 million. Net income for the quarter ended September 30, 2026, was $18.0 million, or $3.56 per diluted share, compared to $2.6 million, or $0.53 per diluted share, for the comparable period in 2025. When removing the charges associated with the US Pension Plan termination which occurred in Q3 2025, diluted EPS increased 70%. The increase in net income was primarily driven by higher sales volumes, favorable product mix, fixed cost leverage and the benefit of price increases enacted in 2025 and early 2026. This increase was partially offset by increases in selling and freight costs and investments in personnel supporting strategic market growth in our core product offerings. Tariff headwinds also continued to impact net income. Foreign currency translation had a favorable impact of $0.4 million on the third-quarter of 2026 net income. Net sales increased 21% to $598.5 million for the first nine months of 2026 compared to $496.2 million for the first nine months of 2025. All segments realized a year-over-year increase in net sales due to higher volumes of energy and communications sales, driven most significantly by PLP-USA with 28% net sales growth. Foreign currency translation rates increased net sales by $16.2 million for the nine months ended September 30, 2026. Net income for the nine months ended September 30, 2026, was $50.1 million, or $10.18 per diluted share, compared to $26.8 million, or $5.42 per diluted share, for the comparable period in 2025. Adjusted for the U.S. Pension Plan Termination charges, diluted EPS was up $3.20 or 46%. The increase in net income was due to higher sales volumes and the benefit of price increases enacted in 2025 and early 2026, partially offset by higher personnel, selling and freight costs, tariff expenses and a higher effective tax rate for the nine-month period. Foreign currency translation had a favorable impact of $1.0 million on net income for the nine-month period ended September 30, 2026. "This was another exceptional quarter, with sales and net income nearing the records set just last quarter," said Rob Ruhlman, Executive Chairman. "We grew net sales 18% to $209.5 million with gross margins improving 370 basis points year over year to 33.4%, showing resilience in a challenging operating environment. Our steadfast commitment to domestic manufacturing continues to provide a strategic
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advantage, with PLP-USA delivering over $100 million of net sales for the second straight quarter. That performance is a direct result of the robust demand we see in domestic energy markets and the strategic investments we have made in people, manufacturing, and engineering capabilities. In early October, we welcomed U.S. Senator Bernie Moreno to our PLP Peninsula, Ohio operations to see our commitment to U.S. manufacturing firsthand." "Our sustained growth is also generating strong cash flow. We produced $68.1 million in operating cash flow through the first nine months of the year and ended the quarter with $99.3 million in cash and $53.9 million of available credit. That financial strength allows us to do three things at once: invest in our people and facilities, pursue targeted acquisitions, and continue returning capital to shareholders." "While we continue to enjoy a record year so far, the operating environment remains challenging. Tariffs continue to present headwinds, and the geopolitical landscape is constantly changing. But the investments we have made in domestic U.S. manufacturing, our diversified global footprint across 20 countries, and the breadth of our product portfolio give me confidence that we are well-positioned to navigate these pressures and sustain the momentum we have built." "Finally, I was delighted to bring our Senior Leadership Team (and our families!) to New York in September to ring the closing bell at the Nasdaq to celebrate our 25th anniversary of being listed. This opportunity recognized both our great past and our bright future and I share this recognition with each of our over 4,000 PLP brothers and sisters around the globe. Our focus is unchanged: provide our customers with the high-quality products and superior customer service they have come to expect from PLP." A presentation on third-quarter results will also be available on PLP’s website at www.plp.com/investor-relations. FORWARD-LOOKING STATEMENTS This news release contains “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934 regarding the Company, including those statements regarding the Company’s and management’s beliefs and expectations concerning the Company’s future performance or anticipated financial results, among others. Except for historical information, the matters discussed in this release are forward-looking statements that involve risks and uncertainties which may cause results to differ materially from those set forth in those statements. Among other things, factors that could cause actual results to differ materially from those expressed in such forward-looking statements include the uncertainty in global business conditions and the economy due to factors such as inflation, rising interest rates, tariffs, labor disruptions, military conflict, international hostilities, political instability, exchange rates, natural disasters and health epidemics, the strength of demand and availability of funding for the Company’s products (including in light of price increases) and the mix of products sold, the relative degree of competitive and customer price pressure on the Company’s products, the cost, availability and quality of raw materials required for the manufacture ofproducts and customer demand, opportunities for business growth through acquisitions and the ability to successfully integrate any acquired businesses, changes in regulations and tax rates, security breaches, litigation and claims and the Company’s ability to continue to develop proprietary technology and maintain high-quality products and customer service to meet or exceed new industry performance standards and individual customer expectations, and other factors described under the headings “Forward-Looking Statements” and “Risk Factors” in the Company’s 2025 Annual Report on Form 10-K filed with the SEC on March 5, 2026 and subsequent filings with the SEC. The Annual Report on Form 10-K and the Company’s other filings with the SEC can be found on the SEC’s website at http://www.sec.gov. The Company assumes no obligation to update or supplement forward-looking statements that become untrue because of subsequent events. ABOUT PLP PLP protects the world’s most critical connections by creating stronger and more reliable networks. The company’s precision- engineered solutions are trusted by energy and communications providers worldwide to
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perform better and last longer. With locations in 20 countries, PLP works as a united global corporation, delivering high-quality products and unparalleled service to customers around the world. MEDIA RELATIONS INVESTOR RELATIONS JOSH NELSON ANDREW S. KLAUS MANAGER, MARKETING COMMUNICATIONS CHIEF FINANCIAL OFFICER +1 440 473 9120 +1 440 473 9246 JOSH.NELSON@PLP.COM ANDY.KLAUS@PLP.COM
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PREFORMED LINE PRODUCTS COMPANY (PLPC) CONSOLIDATED BALANCE SHEET September 30, 2026December 31, 2025 (Thousands of dollars, except share and per share data) (Unaudited) ASSETS Cash, cash equivalents and restricted cash $ 99,269 $ 83,389 Accounts receivable, net 136,764 113,175 Inventories, net 161,194 148,730 Prepaid expenses 15,683 12,961 Other current assets 8,907 5,206 TOTAL CURRENT ASSETS 421,817 363,461 Property, plant and equipment, net 247,502 222,781 Goodwill 36,142 30,684 Other intangible assets, net 9,007 10,140 Deferred income taxes 7,909 7,481 Other assets 19,925 19,074 TOTAL ASSETS $ 742,302 $ 653,621 LIABILITIES AND SHAREHOLDERS' EQUITY Trade accounts payable $ 60,935 $ 49,520 Notes payable to banks 2,390 1,213 Current portion of long-term debt 6,136 5,392 Accrued compensation and other benefits 36,829 29,207 Accrued expenses and other liabilities 41,584 29,378 TOTAL CURRENT LIABILITIES 147,874 114,710 Long-term debt, less current portion 47,423 32,860 Other noncurrent liabilities and deferred income taxes 34,367 30,500 SHAREHOLDERS' EQUITY Common shares $2 par value per share, 15,000,000 shares authorized, 4,880,691 and 4,907,787 issued and outstanding, at September 30, 2026 and December 31, 2025 13,895 13,860 Common shares issued to rabbi trust, 222,506 and 222,506 shares at September 30, 2026 and December 31, 2025, respectively (9,586) (9,586) Deferred compensation liability 9,586 9,586 Paid-in capital 71,226 67,217 Retained earnings 631,311 584,360 Treasury shares, at cost, 2,066,300 and 2,021,940 shares at September 30, 2026 and December 31, 2025, respectively (149,150) (136,554) Accumulated other comprehensive loss (54,682) (53,365) TOTAL PLPC SHAREHOLDERS' EQUITY 512,600 475,518 Noncontrolling interest 38 33 TOTAL SHAREHOLDERS' EQUITY 512,638 475,551 TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY $ 742,302 $ 653,621
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PREFORMED LINE PRODUCTS COMPANY STATEMENTS OF CONSOLIDATED INCOME Three Months Ended September 30,Nine Months Ended September 30, 2026 2025 2026 2025 (Thousands, except per share data) (Unaudited) (Unaudited) Net sales $ 209,501 $ 178,087 $ 598,460 $ 496,229 Cost of products sold 139,499 125,238 400,226 339,310 GROSS PROFIT 70,002 52,849 198,234 156,919 Costs and expenses Selling 15,014 13,252 44,171 38,525 General and administrative 22,522 19,149 65,104 55,440 Research and engineering 7,336 6,182 21,227 17,356 Other operating expense, net 233 1,134 1,217 2,212 45,105 39,717 131,719 113,533 OPERATING INCOME 24,897 13,132 66,515 43,386 Other income (expense) Interest income 1,061 683 2,472 1,577 Interest expense (728) (312) (1,199) (1,006) Pension termination expense — (11,657) — (11,657) Other income, net 326 510 544 1,033 659 (10,776) 1,817 (10,053) INCOME BEFORE INCOME TAXES 25,556 2,356 68,332 33,333 Income tax expense (benefit) 7,540 (263) 18,259 6,461 NET INCOME $ 18,016 $ 2,619 $ 50,073 $ 26,872 Net loss (income) attributable to noncontrolling interests 20 7 (5) (24) NET INCOME ATTRIBUTABLE TO PLPC SHAREHOLDERS $ 18,036 $ 2,626 $ 50,068 $ 26,848 AVERAGE NUMBER OF SHARES OF COMMON STOCK OUTSTANDING: Basic 5,032 4,915 4,891 4,925 Diluted 5,072 4,941 4,917 4,951 EARNINGS PER SHARE OF COMMON STOCK ATTRIBUTABLE TO PLPC SHAREHOLDERS: Basic $ 3.58 $ 0.53 $ 10.24 $ 5.45 Diluted $ 3.56 $ 0.53 $ 10.18 $ 5.42 Cash dividends declared per share $ 0.21 $ 0.20 $ 0.63 $ 0.60
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NON-GAAP FINANCIAL INFORMATION This earnings release includes certain non-GAAP financial measures. These financial measures include adjusted earnings and adjusted earnings per basic and diluted share, each of which differs from the most directly comparable measure calculated in accordance with generally accepted accounting principles (GAAP). A reconciliation of each of these financial measures to the most directly comparable GAAP measure is included in this earnings release. Management believes that these financial measures are useful to investors because they provide additional meaningful financial information that should be considered when assessing our business performance and trends, and they allow investors to more easily compare the Company's financial performance period to period. The Company's adjusted net income and adjusted earnings per diluted share for the year ended September 30, 2025, was calculated as follows: Three Months EndedSeptember 30, 2025Nine Months EndedSeptember 30, 2025 (Thousands, except per share data) NET INCOME ATTRIBUTABLE TO PLPC SHAREHOLDERS $ 2,626 $ 26,848 Add back: Pension termination expense, after tax 7,721 7,721 ADJUSTED NET INCOME ATTRIBUTABLE TO PLPC SHAREHOLDERS$ 10,347 $ 34,569 AVERAGE NUMBER OF SHARES OF COMMON STOCK OUTSTANDING: Basic 4,915 4,925 Diluted 4,941 4,951 ADJUSTED EARNINGS PER SHARE OF COMMON STOCK ATTRIBUTABLE TO PLPC SHAREHOLDERS: Basic $ 2.11 $ 7.02 Diluted $ 2.09 $ 6.98 Three Months EndedSeptember 30, 2025Nine Months EndedSeptember 30, 2025 ADJUSTED DILUTED EARNINGS PER SHARE OF COMMON STOCK ATTRIBUTABLE TO PLPC SHAREHOLDERS: NET INCOME PER SHARE ATTRIBUTABLE TO PLPC SHAREHOLDERS$ 0.53 $ 5.42 Add back: Per share impact of pension termination expense, after tax 1.56 1.56 ADJUSTED DILUTED EARNINGS PER SHARE OF COMMON STOCK ATTRIBUTABLE TO PLPC SHAREHOLDERS $ 2.09 $ 6.98