Amendments to Bylaws (Form 8-K)

Item 5.03 Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year.

Amended and Restated Bylaws

On February 27, 2026, the Board of Directors of Core Laboratories Inc. (the "Company") approved and adopted amended and restated bylaws of the Company (the "First Amended and Restated Bylaws"), effective as of such date, with the only change being to lower the voting threshold set forth in Section 2.11 for approval of certain shareholder actions, including the approval of merger and change in control transactions, from a 66-2/3% supermajority vote to a 50% plus one simple majority vote.

The foregoing description does not purport to be complete and is qualified in its entirety by reference to the complete text of the First Amended and Restated Bylaws, a copy of which is attached hereto as Exhibit 3.1 and incorporated herein by reference.