| UNITED STATES |
| SECURITIES AND EXCHANGE COMMISSION |
| Washington, D.C. 20549 |
| Notice of Effectiveness |
| Effectiveness Date: |
June 24,
2026 4:00 P.M.
|
| Form: |
S-4 |
| CIK: |
0002065779 |
| Company Name: |
D. Boral ARC Acquisition I Corp. |
| File Number: |
333-295869 |
|
| CIK: |
0002110790 |
| Company Name: |
Exascale Labs Inc. |
| File Number: |
333-295869-01 |
|
