Global Business Travel (GBTG) SC 13G Apollo Strategic Growth Capital / Apollo Principal Holdings III GP ownership change

EXHIBIT 1

JOINT FILING AGREEMENT

APOLLO STRATEGIC GROWTH CAPITAL

In accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, the undersigned hereby confirm the agreement by and among them to the joint filing on behalf of them of the Statement on Schedule 13G and any and all further amendments thereto, with respect to the securities of the above referenced issuer, and that this Agreement be included as an Exhibit to such filing.  This Agreement may be executed in any number of counterparts each of which shall be deemed to be an original and all of which together shall be deemed to constitute one and the same Agreement.

IN WITNESS WHEREOF, the undersigned hereby execute this Agreement as of February 16, 2021.

APSG SPONSOR, L.P.
By:	AP Caps II Holdings GP, LLC,
	its general partner
	By:	Apollo Principal Holdings III, L.P.,
		its managing member
		By:	Apollo Principal Holdings III GP, Ltd.,
			its general partner
				By:	/s/ Laurie D. Medley
				Name:	Laurie D. Medley
				Title:	Vice President

AP CAPS II HOLDINGS GP, LLC
By:	Apollo Principal Holdings III, L.P.,
	its managing member
	By:	Apollo Principal Holdings III GP, Ltd.,
		its general partner
			By:	/s/ Laurie D. Medley
			Name:	Laurie D. Medley
			Title:	Vice President

APOLLO PRINCIPAL HOLDINGS III, L.P.
By:	Apollo Principal Holdings III GP, Ltd.,
	its general partner
	By:	/s/ Laurie D. Medley
	Name:	Laurie D. Medley
	Title:	Vice President

APOLLO PRINCIPAL HOLDINGS III GP, LTD.
By:	/s/ Laurie D. Medley
Name:	Laurie D. Medley
Title:	Vice President

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