Cyxtera (CYXTQ) SC 13G STARBOARD VALUE ACQUISITION / SVAC Sponsor ownership change

EXHIBIT 99.1

JOINT FILING AGREEMENT

In accordance with Rule 13d-1(k)(1) promulgated under the Securities Exchange Act of 1934, as amended, each of the undersigned hereby agrees to the joint filing with each other on behalf of each of them of such a statement on Schedule 13G, and any amendments thereto, with respect to the common stock beneficially owned by each of them of Starboard Value Acquisition Corp. This Joint Filing Agreement shall be included as an Exhibit to such Schedule 13G.

Dated: February 12, 2021

SVAC Sponsor LLC
By:	/s/ Kenneth Marlin
	Name: Kenneth Marlin
	Title: Authorized Signatory
SVAC Manager LLC
By:	/s/ Jeffrey Smith
	Name: Jeffrey Smith
	Title: A Managing Member