CACI INTERNATIONAL INC /DE/

This proxy statement summary highlights information contained elsewhere in this proxy statement, which is first being sent or made available to shareholders on or about September 4, 2026. This is only a summary, and we encourage you to read the entire proxy statement carefully before voting.

Annual Meeting of Shareholders

Meeting Agenda and Voting Matters

2026 Director Nominees Summary

The following table provides summary information about each director nominee as of August 1, 2026. The Board and the Corporate Governance and Nominating Committee believe that each of our directors brings a strong and unique background and set of skills to the Board, giving the Board the competence and experience necessary to fulfill its oversight role and to evaluate and advise management with respect to a wide variety of matters.

Corporate Governance Summary

We are committed to high standards of corporate governance and have a robust corporate governance program intended to promote the long-term success of our Company. Some highlights of our corporate governance practices are listed below.

Board Composition

Board Structure and Processes

Shareholder Rights

Executive Compensation Summary

The Human Resources and Compensation Committee (the “Compensation Committee”) believes our executive compensation program should encourage and reward behaviors that build a foundation for our long-term performance and success while also supporting the achievement of annual objectives. Our performance assessment framework and executive compensation program are designed to reward such performance by linking our executives’ compensation to the achievement of both long- and short-term goals. Below is a summary of the principal components of our now serving named executive officers’ target total direct compensation for fiscal year 2026. For additional information please review “Compensation Discussion and Analysis” on page 26 of this proxy statement.

(1)The total number of shares earned will be based on the Company’s cumulative Free Cash Flow for the three fiscal years ending on June 30, 2028.

(2)Dr. Young was appointed Executive Vice President and Chief Operating Officer on June 22, 2026.

Corporate Citizenship

The Board and management are committed to serving as good stewards of the environment and operating in a manner that protects the health and safety of our employees, partners, and customers, while supporting our communities. Below are a few highlights of our corporate citizenship:

•Promotes our long-standing policy of equal employment opportunity and commitment to treat employees fairly and with mutual respect.

•Implements corporate initiatives to continue to improve cybersecurity for both the company and our supply chain to ensure the safeguarding and privacy of data.

•Protects and improves our environmental footprint through environmental, health, and safety strategy.

•Commits to the highest legal and ethical standards in the conduct of our business by providing all employees access to its anonymous Compliance Hotline.

•Offers a variety of learning and training opportunities for our employees – at every level – for career development and mobility.

•Undertakes initiatives to promote work-life balance and enhance the Company’s strong culture.

•Commits to military hiring, with veterans, military spouses, National Guard, and reserve employees representing nearly 40% of our workforce.

•Supports small business, maintaining active agreements with small businesses through various federal Mentor-Protégé programs.

•Provides STEM education funding, mentoring, and career preparation and placement to high school-aged children and to children of fallen shadow warriors.

•Supports our nation’s heroes through its philanthropic programs – veterans, active troops, and their families – who have served.

•Recognizes and rewards employees who demonstrate outstanding achievement with their team, their customers, and the Company.

•Recognized as a Fortune 500 Company, Fortune World’s Most Admired Company, the Russell 1000 Index, and the S&P MidCap 400.

•Recognized by our employees as a Top Workplace in several U.S. locations, for consecutive years.

To learn more about CACI’s corporate social responsibility principles, approaches, and initiatives for our customers, employees, and stakeholders, please visit https://www.caci.com.