Business Description

Gibraltar Industries, Inc. (the "Company" or "Gibraltar") is a leading manufacturer and provider of products and services for the residential, agtech and infrastructure markets. Gibraltar's mission, to make life better for people and the planet, is fueled by advancing the disciplines of engineering, science, and technology. On February 2, 2026, Gibraltar acquired OmniMax International, LLC ("OmniMax"), a leading United States of America ("U.S.") and Canada-based manufacturer and provider of residential roofing accessories and rainwater management systems. The acquisition of OmniMax furthers Gibraltar's goal of helping innovate and reshape the markets in which it operates and provide better solutions for its customers and the channels it serves. The description of the Company's business includes the OmniMax business, however, any information included herein as of December 31, 2025 does not include the OmniMax business except as specified. Gibraltar's Core Pillars Gibraltar strives to create compounding and sustainable value for its stockholders and stakeholders by maintaining strong, relevant leadership positions in higher-growth profitable end markets while continuously innovating its products, services, and business processes to further optimize the important end markets it serves in the U.S. and Canada; residential and light commercial housing, infrastructure, and controlled environment agriculture growing and research. The foundation of the Company's strategy is built on three core pillars: Business System, Portfolio Management, and Organization Development. • Business System reflects the necessary systems, processes, and management tools required to deliver consistent and continuous performance improvement, every day. The Company's business system is a critical enabler to grow, scale, and deliver its plans. The Company's focus is on deploying effective tools to drive growth, improve operating performance, and develop the organization utilizing 80/20 and lean quote-to-cash initiatives along with digital systems for speed, agility and responsiveness. The Business System 4 Table of Contents pillar challenges existing operating paradigms, drives day-to-day performance, forces prioritization of resources, tests the Company's business models, and drives new product and services innovation. • Portfolio Management is focused on optimizing the Company’s business portfolio in higher growth markets with leadership positions while ensuring its financial capital and human resources are effectively and efficiently deployed to deliver sustainable, profitable growth while increasing its relevance with customers and shaping its markets. • Organization Development drives the Company’s continuous focus on ensuring it has the right design and structure to scale the organization in order to execute the Company’s plans and meet commitments. The Company's focus is on creating an environment for our people to have the best opportunity for success, continue to develop, grow and learn. At the core of this pillar is the Company’s development process focused on helping employees reach their potential, improve performance, develop career roadmaps, identify ongoing education requirements, and respective succession plans. The Company believes doing so helps it attract and retain the best people to execute its business plans. Corporate Social Responsibility Corporate Social Responsibility is a key consideration in everything from the products the Company makes and the suppliers the Company engages with, to the Company's employment practices, business strategies, and future plans. The Company is committed to making a difference in the lives of the people the Company's businesses touch, and to creating meaningful impact every day through the Company's work and relationships. A sense of responsibility to people and the planet is woven into the values that define the Company's purpose and drive the Company's culture. Every day the Company's choices and actions are governed by its values: Make it better - We challenge ourselves and our way of thinking every day to exceed the needs of our customers. We raise the bar - and set new standards. Make it right - We care about doing the right thing for each other, our customers, and communities by holding ourselves to the highest standards of ethics and safety. Make it together - We work collaboratively with our customers and each other - teamwork sets us apart.…