OWNERSHIP STRUCTURE

The table below shows the number of common shares held by Moura Dubeux Engenharia S/A shareholders.

Shareholders Number of shares %
Controllers 34,695,480 33.3%
Executive Board 1,623,924 1.6%
Board of Directors 20,400 0.0%
Treasury Shares
551,382
0.5%
LarrainVial Asset Management
 5,296,358
5.1%
Other Shareholders 62,026,850 59.5%
Total  104,214,394 100.00%

Base date of composition February 28, 2026.