ESCO Technologies, Inc.

Item 2.02 Results of Operations and Financial Condition Today, February 5, 2026, the Registrant is issuing a press release (furnished as Exhibit 99.1 to this report) announcing its fiscal 2026 first quarter financial and operating results. See Item 7.01, Regulation FD Disclosure, below.

Item 5.07 Submission of Matters to a Vote of Security Holders The 2026 Annual Meeting of the Registrant’s stockholders was held on January 30, 2026. Each of the 25,874,368 shares of common stock entitled to vote at the meeting was entitled to one vote on each matter voted on at the meeting. The affirmative vote of a majority of the shares represented in person or by proxy at the meeting was required to elect each director and to approve each of the other proposals considered at the meeting. The vote totals below are rounded down to the nearest whole share, and Broker Non-Votes are not considered to be entitled to vote on the matter in question and are therefore not counted in determining the number of votes required for approval. At the meeting, there were 24,259,347 shares represented and entitled to vote on one or more matters at the meeting, or approximately 93.8% of the outstanding shares. The voting on each of the proposals was as follows: Proposal 1 - Election of Directors (for terms expiring at the 2029 Annual Meeting): Nominee “For” “Withhold” Broker Percent of Shares Percent of all Non-Votes Represented and Outstanding Entitled to Vote Shares on the Nominee Voting “For” Voting “For” Patrick M. Dewar 22,753,584 840,225 665,538 96.4% 87.9% Vinod M. Khilnani 22,799,411 794,398 665,538 96.6% 88.1% Robert J. Phillippy 20,609,699 2,984,110 665,538 87.4% 79.7% Because each nominee received a majority of the shares represented at the meeting and entitled to vote on the nominee, all of the nominees were duly elected. Proposal 2 - Advisory vote on the resolution to approve the compensation of the Registrant’s executive officers (“Say on Pay”): “For” “Against” “Abstain” Broker Percent of Shares Percent of all Non-Votes Represented and Outstanding Entitled to Vote Shares on the Proposal Voting “For” Voting “For” 23,188,942 383,828 21,038 665,538 98.3% 89.6% Because the proposal received a majority of the shares represented at the meeting and entitled to vote on the matter, it was duly approved. Proposal 3 - Amendment to the Company’s Employee Stock Purchase plan as described in the Proxy Statement for the Meeting and attached hereto as Exhibit 10.1: “For” “Against” “Abstain” Broker Percent of Shares Percent of all Non-Votes Represented and Outstanding Entitled to Vote Shares on the Proposal Voting “For” Voting “For” 23,349,287 238,306 6,215 665,538 99.0% 90.2% Because the proposal received a majority of the shares represented at the meeting and entitled to vote on the matter, it was duly approved. Proposal 4 - Ratification of the Registrant’s appointment of Grant Thornton LLP as the Registrant’s independent registered public accounting firm for the 2026 fiscal year: “For” “Against” “Abstain” Broker Percent of Shares Percent of all Non-Votes Represented and Outstanding Entitled to Vote Shares on the Proposal Voting “For” Voting “For” 24,209,102 33,967 16,278 0 99.8% 93.6% Because the proposal received a majority of the shares represented at the meeting and entitled to vote on the matter, it was duly approved.

Item 7.01 Regulation FD Disclosure Today, February 5, 2026, the Registrant is issuing a press release (furnished as Exhibit 99.1 to this report) announcing its fiscal 2026 first quarter financial and operating results, and the Registrant will conduct a related webcast conference call today at 4:00 p.m. Central Time. The press release will be posted on the Registrant’s investor website (https://investor.escotechnologies.com), although the Registrant reserves the right to discontinue that availability at any time. The conference call webcast may also be accessed through the Registrant’s investor website, and a slide presentation will be utilized during the call and will be posted on the website prior to the call. For those unable to participate, a webcast replay will be available after the call on the website, although the Registrant reserves the right to discontinue that availability at any time.