XPRO

Item 4 is hereby amended and supplemented as follows: In connection with the proposed redomicile of the Issuer disclosed by the Issuer in the Current Report on Form 8-K filed by the Issuer with the Securities and Exchange Commission on April 1, 2026, on April 17, 2026, the Oak Hill Funds entered into a Voting and Support Agreement (the "Support Agreement") with the Issuer providing for, on the terms and subject to the conditions thereof, that the Oak Hill Funds will vote the shares owned by the Oak Hill Funds (the "Support Shares") in favor of the transactions contemplated by the Proposals (as defined below). The Issuer is proposing to enter into a series of transactions (the "Transactions") pursuant to which, among other things, the Issuer will change its jurisdiction of organization from the Netherlands to the Cayman Islands. In connection with the Transactions, the Issuer is also proposing to amend its articles of association to (i) include a formula on the basis of which cash compensation to the Issuer's shareholders who exercise their withdrawal right in connection with the Transaction can be readily determined and (ii) provide for the conversion of Common Stock, of the Issuer into shares of Class B common stock, nominal value (euro)0.06 per share, of the Issuer if and to the extent the Issuer's shareholders exercise their withdrawal rights (the proposals with respect to the approval of the Transaction and such amendments, collectively, the "Proposals"). The foregoing summary of the Support Agreement is not complete and is qualified in its entirety by reference to the full text of the form of Support Agreement, a copy of which is attached as Exhibit 99.1 hereto.