Ravenswood Investment Co L.P - Amended and Restated Joint Filing Agreement dated as of May 3, 2021 by and among Robert E. Robotti, Robotti & Company, Incorporated, Robotti & Company, Advisors, LLC, Robotti Securities, LLC, Suzanne Robotti, Ravenswood Management Company, L.L.C., the Ravenswood Investment Company, L.P., Ravenswood Investments III, L.P., and Suzanne and Robert Robotti Foundation, Inc.

/s/ Robert E. Robotti

/s/ Robert E. Robotti

Name: Robert E. Robotti

Name: Robert E. Robotti

Title: President and Treasurer

Title: President and Treasurer

Exhibit 9

Joint Filing Agreement

The undersigned parties hereby agree to the joint filing of the Statement on Schedule 13D filed herewith, and any amendments hereto, relating to shares of Common Stock, $0.001 par value per share of Tidewater, Inc. with the Securities and Exchange Commission pursuant to Rule 13d-1(k).

Date:

May 3, 2021

	/s/ Robert E. Robotti			/s/ Suzanne Robotti
	Robert E. Robotti			Suzanne Robotti

Robotti & Company, Incorporated

Suzanne and Robert Robotti Foundation, Inc.

By:	/s/ Robert E. Robotti	By:	/s/ Robert E. Robotti
	Name: Robert E. Robotti		Name: Robert E. Robotti
	Title: President and Treasurer		Title: Director

Robotti & Company Advisors, LLC

Robotti Securities, LLC

Ravenswood Management Company, L.L.C.

By:		/s/ Robert E. Robotti
		Name: Robert E. Robotti
		Title: Managing Director

The Ravenswood Investment Company, L.P.

Ravenswood Investments III, L.P.

By:	Ravenswood Management Company, L.L.C., General Partner	By:	Ravenswood Management Company, L.L.C., General Partner

By:	/s/ Robert E. Robotti	By:	/s/ Robert E. Robotti
	Name: Robert E. Robotti		Name: Robert E. Robotti
	Title: Managing Director		Title: Managing Director