Mubadala Investment Co PJSC SC 13G Gaia, Inc

CUSIP No. 36269P104 Page 10 of 10 Pages

AGREEMENT OF JOINT FILING

Pursuant to Rule 13d-1(k)(1) of the Securities and Exchange Commission under the Securities Exchange Act of 1934, as amended, each of the undersigned agrees that the statement on Schedule 13G filed herewith shall be filed on behalf of each of the undersigned.

MUBADALA INVESTMENT COMPANY PJSC

October 2, 2018

Date

/s/ Christopher Fazekas

Signature

 Christopher Fazekas / Authorized Signatory

Name/Title

MUBADALA DEVELOPMENT COMPANY PJSC

October 2, 2018

Date

/s/ Christopher Fazekas

Signature

Christopher Fazekas / Authorized Signatory

Name/Title

MDC CAPITAL LLC

October 2, 2018

Date

/s/ Christopher Fazekas

Signature

Christopher Fazekas / Authorized Signatory

Name/Title

MDC CAPITAL (CAYMAN) LIMITED, AS TRUSTEE FOR FIFTY FIRST INVESTMENT COMPANY LLC

October 2, 2018

Date

 /s/ Christopher Fazekas

Signature

 Christopher Fazekas / Authorized Signatory

Name/Title