Gibson Energy Inc. also announced the appointment of two new directors to its Board effective December 5, 2023: Maria Hooper, an internationally recognized energy executive and Khalid Muslih, a growth and transformation executive, both of whom have extensive experience with the US and global energy markets and Gibson's newly acquired Gateway Terminal. With these changes, Gibson's Board will comprise eleven directors, five of whom will have been appointed in the past three years, demonstrating its commitment to board rejuvenation and strong governance practices. In addition, over 50% of Gibson's Board positions will now be held by members of diverse communities, exceeding Environmental, Social and Governance (?ESG?) Targets in these areas.

As a part of joining Gibson's Board of Directors, Maria will also serve on the Audit Committee and Health and Safety Committee, and Khalid will serve on the Corporate Governance, Compensation and Nomination Committee and Sustainability and ESG Committee. About Maria Hooper: Maria is a global energy industry executive with over 30 years' experience driving growth in financial results, leading adaptive change and ensuring long-term sustainability for leading energy organizations, most recently as Senior Vice President, Commercial, at Phillips 66. Ms. Hooper is an innovative business builder who collaborates internally and externally to identify and capitalize on new opportunities in the market, and consistently gains stakeholder and team commitment to exceed business targets.

Earlier in her career, she served in senior leadership roles at ConocoPhillips and in various positions at Producers Energy Trading, LLC, Apache Corporation and ANR Pipeline. Ms. Hooper earned a Bachelor of Science degree in Petroleum Engineering from The University of Texas at Austin. About Khalid Muslih: Khalid is the Chief Executive Officer of Manchester Energy, an EnCap Flatrock Midstream and EnCap Investments portfolio company.

Mr. Muslih has over 30 years of corporate leadership and operational management experience for both private and publicly traded companies. Prior to founding Manchester Energy, he served as Executive Vice President at Buckeye Partners, L.P. where he spearheaded the company's strategic vision and led its growth and transformation from a regional pipeline transportation company into a global, diversified logistics enterprise. During his time at Buckeye, he also established Buckeye's Alternative Energy business and steered its carbon mitigation efforts by leading the company's expansion into renewable energy and next generation fuels.

Mr. Muslih earned a Master of Business Administration from the University of Houston and a Bachelor of Science in Civil Engineering from the University of Texas at Austin.