Investindustrial Acquisition (IIAC) SC 13G Investindustrial Acquisition / TREMAT ownership change

Exhibit 99.1

JOINT FILING AGREEMENT

The undersigned hereby agree that this Schedule 13G with respect to the Class A Ordinary Shares, par value $0.0001 per share, of Investindustrial Acquisition Corp., and any subsequent amendments thereto, is filed jointly on behalf of each of them pursuant to and in accordance with the provisions of Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, and that this agreement shall be included as an exhibit thereto.

The execution and filing of this agreement shall not be construed as an admission that the undersigned are a group or have agreed to act as a group.

22nd day of October, 2021.

TREMAT HOLDINGS, LLC

By:	/s/ Anthony Tamer
	Anthony Tamer
	Manager
/s/ Anthony Tamer
	Anthony Tamer